CN102951167A - High-speed railway based aerodynamic aerotrain with simulated wings on lateral sides of aerotrain body - Google Patents
High-speed railway based aerodynamic aerotrain with simulated wings on lateral sides of aerotrain body Download PDFInfo
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- CN102951167A CN102951167A CN2011102427559A CN201110242755A CN102951167A CN 102951167 A CN102951167 A CN 102951167A CN 2011102427559 A CN2011102427559 A CN 2011102427559A CN 201110242755 A CN201110242755 A CN 201110242755A CN 102951167 A CN102951167 A CN 102951167A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Abstract
The invention relates to locomotives and carriages in railway systems, in particular to a high-speed railway based aerodynamic aerotrain with simulated wings on lateral sides of an aerotrain body. Simulated wings in airplane wing simulated structure are symmetrically mounted on the left side and the right side of each carriage and locomotive. During running of the high-speed railway based aerodynamic aerotrain with simulated wings on lateral sides of the aerotrain body, by the aid of the simulated wings mounted on the aerotrain, uplifting force is generated under the action of airflow in relative movement to the aerotrain, raising force can be provided for the aerotrain in high-speed running, and accordingly pressure applied to rails by the aerotrain is reduced, and extra energy consumption and pollution are avoided since the force is generated aerodynamically. Further, the simulated wings are simple in structure.
Description
Technical field
The present invention relates to locomotive and compartment in the railway system, be particularly related to utilization aerodynamics, the imitative wing of the wing structure by installing imitative aircraft ON TRAINS additional, with the train of running at high speed is produced to a certain degree air suspension power based on the vehicle body side of the high speed railway aerodynamic force aerotrain with imitative wing.
Background technology
At present, the speed-raising means of known train based on high speed railway are to utilize maglev method to reduce wheel to the friction of rail, yet the shortcoming that magnetic suspension method exists has: 1. train can not become rail, can enter another track from a track by track switch unlike the train that operates on the conventional railway; Article one, track can only hold the round operation of rows of cars, causes the wasting of resources.2. because magnetic suspension system suspends, leads by means of electromagnetic force and drives operation, in case outage, serious safety misadventure will occur magnetic suspension train, therefore the safety precautions of magnetic suspension train is not still solved fully after the outage.3. high-intensity magnetic field all can produce harmful effect to people's health, the balance of ecology environment and the operation of electronic product.
Aircraft can the effective supply raising force by its wing and built on stilts, and the lift-off principle of aircraft is applied to high speed train, is purpose of the present invention.
Summary of the invention
The purpose of this invention is to provide a kind of deficiency of avoiding magnetic levitation technology, again can high speed railway run at high speed based on the vehicle body side of the high speed railway aerodynamic force aerotrain with imitative wing.
The present invention is the inspiration that is subjected to aircraft lift-off principle, the wing structure of imitated aircraft is prepared imitative wing, and will imitate wing and be installed on the side in the locomotive of train and compartment, when train driving by with the air effect of train relative motion on imitative wing the train of running at high speed is provided enough raising force, reach similar maglev effect, be convenient to reduce the waste of power that the friction of wheel and rail causes.
Vehicle body side based on high speed railway of the present invention is with the aerodynamic force aerotrain of imitative wing, is in the left and right sides of the locomotive of train and is symmetrically installed with respectively the imitative wing of the wing structure of imitated aircraft in the left and right sides in every joint compartment.
The total quantity of the symmetrical imitative wing of installing in the left and right sides of described locomotive at train is more than 4 (2 groups); Preferred total quantity of installing is 4～12 (2～6 groups) imitative wing.
Described total quantity at the symmetrical imitative wing of installing in the left and right sides in every joint compartment is more than 4 (2 groups); Preferred total quantity of installing is 4～12 (2～6 groups) imitative wing.
The quantity of the imitative wing of installing on described every joint compartment as many.
The symmetrical imitative wing of installing in the described left and right sides at locomotive, the imitative wing that install every side all is to be installed on the side of locomotive with equally spaced mounting means, and the central, transverse axis of each group (symmetrical each the imitative wing installed in the left and right sides is a group) symmetrical imitative wing of installing in the left and right sides is on the same lateral axis.
The symmetrical imitative wing of installing in the described left and right sides in every joint compartment, the imitative wing that install every side all is to be installed on the side in every joint compartment with equally spaced mounting means, and the central, transverse axis of each group (symmetrical each the imitative wing installed in the left and right sides is a group) symmetrical imitative wing of installing in the left and right sides is on the same lateral axis.
The equally spaced mounting means of the described imitative wing of installing in the side of locomotive, to be installed in the imitative wing that foremost (being first) of imitating the wing zone is installed of locomotive side to the distance of the front edge of this locomotive side, with the imitative wing of the rearmost end (being last) that is installed in the imitative wing zone of installing of this locomotive side distance to the back edge of this locomotive side, and equate with distance between the imitative wing that is installed in the locomotive side.
The equally spaced mounting means of the described imitative wing of installing in the side in every joint compartment, to be installed in the imitative wing that foremost (being first) of imitating the wing zone is installed of side, compartment to the distance of the front edge of this side, compartment, with the imitative wing of the rearmost end (being last) that is installed in the imitative wing zone of installing of this side, compartment distance to the back edge of this side, compartment, and equate with distance between the imitative wing that is installed in this side, compartment.
Distance (d) between before and after the described imitative wing determines (D), L=N * D+ (N+1) * d by the number (N) of the length (L) in locomotive or compartment, imitative wing and the horizontal length of firm banking.The imitative wing of as described foremost (being first) to the locomotive side or the distance of the front edge of side, compartment or back edge all get d; Also can get d/2, then there is L=N * D+N * d (as to get d if get d/2, last the imitative wing that is side, first segment compartment is d to the distance at this cabin side surface rear end edge, and first imitative wing of side, second section compartment distance of end margin in face of the second section cabin side also is d, and the distance between these two imitative wings has been exactly 2d so; And get d/2, last the imitative wing that is side, first segment compartment is d/2 to the distance at this cabin side surface rear end edge, and first imitative wing of side, second section compartment also is d/2 to the distance of the front edge of side, second section compartment, distance between these two imitative wings has been exactly d so, has so just guaranteed that the distance between per two imitative wings all is d).
The setting angle of described imitative wing is an angle that changes, and the variation range at the sweepback angle of the horizontal tail of imitative wing is between 0 degree is spent to 15.The setting of setting angle is take concrete actual demand as the first criterion.What what how much when reaching maximum lift and get degree and can reach such as needs, just with spend during design-build.
The structure of described imitative wing mainly is that (preferred firm banking is rectangular structure by firm banking, thickness can be the 60-70 millimeter) and horizontal tail formation fixed thereon, the one side of this firm banking is connected with horizontal tail, and another side is installed in the side in locomotive or compartment.Horizontal tail and firm banking are 90 degree right angles.Whole imitative wing structure becomes the symmetric shape with respect to locomotive or compartment.
The upper limb highest point of the horizontal tail of the imitative wing that install the side of described locomotive is 40～70 centimetres apart from the bottom of locomotive.
The upper limb highest point of the horizontal tail of the imitative wing that install the side in described compartment is 40～0 centimetres apart from the bottom in compartment.
The structure of described horizontal tail is that the structure with reference to the wing of aircraft designs and prepares, and its structural entity is stream line pattern, has the angle of attack, leading edge sweep and trailing edge sweepforward angle; Leading edge at described horizontal tail can be provided with artificial turbulence structure; Trailing edge at described horizontal tail is equipped with trailing edge flap (trailing edge double slit wing flap as shown in Figure 3, or trailing edge list seam wing flap).The trailing edge flap of installing can increase the radian of stream line pattern horizontal tail, thereby increases lift coefficient, and the raising force that horizontal tail is obtained increases.
The artificial turbulence structure of the leading edge setting of described horizontal tail can be divided into following six types: (a) leading edge portion at the upper surface of horizontal tail increases degree of roughness (degree of roughness is decided with material according to circumstances); (b) in the trouble flow strip of the additional projection of nearly leading edge portion of the upper surface of horizontal tail; (c) at the span leading edge position of distance horizontal tail, vertically opening row's diameter every 5 centimetres is 3～5 centimetres, and the degree of depth is no more than 2 centimetres flow-disturbing hole; (d) at the additional resilient band that streams in the front of the leading edge of horizontal tail; (e) add in the leading edge of horizontal tail and be that the dotted line shape distributes, each 0＜diameter＜5 centimetre, spacing is 7～15 centimetres block-like protrusions bumper/spoiler; (f) the leading edge additional shape at horizontal tail is zigzag projection trouble flow strip, flow-disturbing hole or the resilient band that streams.
Described horizontal tail is the plate shaped wing, the section of its plate shaped wing (as shown in Figure 1) is selected from plate shaped wing section, and (it is equivalent to the section of kite, produce lift by the angle of attack), a kind of in the aerofoil profile (can make the thin type wing) of the lower slightly flat wing section (aerodynamic characteristics is good, and lift is large) of typical pinion section, arch, upper lower aerofoil symmetry.
The length of described horizontal tail is 150～225 centimetres, and taper ratio is 0.5～1, and area is 1.125～2.25 sq ms, and leading edge sweep is 0～26.5 degree, and the trailing edge sweepforward angle is-26.5～0 degree, and the angle of attack is 0～15 degree.
Vehicle body side based on high speed railway of the present invention with the aerodynamic force aerotrain of wing in the process of moving, because the imitative wing of installing on its train, on imitative wing, produce upper lifting force by the airflow function with the train relative motion, can provide raising force to the train of running at high speed, thereby reduced the pressure of train to rail, and this power is produced by aerodynamic force, and the additive decrementation energy does not produce pollution.Described imitative wing simple in structure.
Description of drawings
Fig. 1. the difform aerofoil profile scheme drawing of the imitative wing described in the present invention; Wherein:
(1) is the section of the plate shaped wing; (2) be the section of typical pinion; (3), (4), (5) and (6) are the section of the lower slightly flat wing of arch; (7), (8), (9) and (10) are the section of the aerofoil profile of upper lower aerofoil symmetry.
Fig. 2. the different artificial turbulence structure scheme drawing that the leading edge of the horizontal tail described in the present invention arranges; Wherein:
A is the leading edge portion increase degree of roughness at the upper surface of horizontal tail; B is the trouble flow strip in the additional projection of nearly leading edge portion of the upper surface of horizontal tail; C has row's flow-disturbing hole at the span leading edge position of horizontal tail; D is at the additional resilient band that streams in the front of the leading edge of horizontal tail; E adds in the leading edge of horizontal tail to be the block-like protrusions bumper/spoiler that the dotted line shape distributes, uniformly-spaced arranges; F is at the additional trouble flow strip that is shaped as zigzag projection of the leading edge of horizontal tail, flow-disturbing hole or the resilient bumper/spoiler that streams band formation.
Fig. 3. the artificial turbulence structure that the leading edge of the horizontal tail described in the present invention arranges reaches the trailing edge double slit flap configurations scheme drawing of installing at trailing edge.
Fig. 4. the structure schematic top plan view of the imitative wing described in the present invention.
Fig. 5. the structural upright scheme drawing of the imitative wing described in the present invention.
Fig. 6. the vehicle body side based on high speed railway of the present invention is with the aerodynamic force aerotrain scheme drawing of imitative wing.
Reference numeral
1. horizontal tail 2. artificial turbulence structures
3. trailing edge double slit wing flap 4. firm bankings
I. the car body II. of high speed train imitates wing
D. the distance alpha between two imitative wings. the sweepback angle of the horizontal tail of imitative wing
The specific embodiment
See also Fig. 4 and Fig. 5, the structure of imitative wing mainly is to be made of the firm banking 4 of rectangular structure and horizontal tail 1 fixed thereon; Wherein, the one side of this firm banking is connected with horizontal tail, and another side is installed in the side in locomotive or compartment, and the horizontal length of firm banking is 1 meter, and wide is 50 centimetres, and the thickness of firm banking is 65 millimeters, and horizontal tail and firm banking are 90 degree right angles; The upper limb highest point that is installed in the horizontal tail of the imitative wing on locomotive and the compartment is 60 centimetres apart from locomotive or car bottom respectively.
Described horizontal tail adopts the plate wing, and the section of its plate shaped wing is shown in (1) among Fig. 1, and its integral body is stream line pattern, has the angle of attack, leading edge sweep and trailing edge sweepforward angle; The artificial turbulence structure 2 additional in the nearly leading edge portion of the upper surface of described horizontal tail is trouble flow strip (shown in the b among Fig. 2) of a projection; Trailing edge at described horizontal tail is equipped with trailing edge double slit wing flap 3 (as shown in Figure 3).
The area of described horizontal tail is 1.5 sq ms, and this moment, taper ratio was 0.75, and the length of horizontal tail is 171.5 centimetres, and leading edge sweep is 15 degree, and the trailing edge sweepforward angle is-15 degree, and the angle of attack is 0 degree.
According to the lift formula: Y=1/2 ρ C
ySV
2(area * lift coefficient of lift=1/2 * density of air * horizontal tail * train speed square)
Wherein density of air ρ is 0 o'clock situation in sea level elevation, and numerical value is 1.23 kilograms of every cubic meters; Train speed V gets expectation and reaches value 540 kilometer per hours (i.e. 150 metre per second (m/s)s).Area S value 1.5 sq ms of horizontal tail (this moment, taper ratio was 0.75,171.5 centimetres of horizontal chord); Lift coefficient C
yWe select to install 8 (4 groups) imitative wing with this understanding to get intermediate value 1 (come value according to previous experiences, lift coefficient determines by the shape of the angle of attack and imitative wing, is 7～8 to get when spending at angle of attack α, but can produces larger resistance this moment).
Y=1/2 ρ C
ySV
2=1/2 * 1.23 * 1 * 1.5 * 150 * 150=20756.25 (newton)
Lift is converted into quality to be had: Y=Mg (lift=quality * gravity coefficient)
Gravity coefficient g gets 9.8 meter per seconds
2
Mass M=20756.25/9.8=2118 (kilogram)=2.118 (ton)
Total mass M
Always=2.118 * 8=16.944 (ton)
Therefore, 8 (4 groups) imitative wing can provide about 16.944 tons raising force in the case.
With this understanding with 8 (4 groups) of above-mentioned preparation imitative wing, be fixedly mounted on the left and right sides (seeing also Fig. 6) in compartment that a length is about 25 meters high ferro train by firm banking is symmetrical and equidistant, and the central, transverse axis of each symmetrical imitative wing of installing in the group left and right sides is on the same lateral axis.According to computing formula L=N * D+ (N+1) * d, car length L=25 rice wherein, N=4, the horizontal length of firm banking is 1 meter, then be installed in the imitative wing foremost that imitative wing zone is installed of side, compartment to the distance of the front edge of this side, compartment, with the imitative wing of the rearmost end that is installed in the imitative wing zone of installing of this side, compartment distance to the back edge of this side, compartment, and with the distance (d) between the imitative wing that is installed in this side, compartment equal=4.2 meters.
The manufacturing ratio is that the vehicle body side based on high speed railway that dwindles at 1: 80 is tested with the model of the aerodynamic force aerotrain of imitative wing, sees also Fig. 6, and the car body of high speed train is I, and then the area of imitative wing II is 1/6400 of true area in the experiment; Model velocity is selected 50 meter per seconds in the experiment, is 1/3 in theoretical the calculating; Experiment records this moment lift coefficient and is about 0.5 (variation of the sweepback angle α of the setting angle of imitative wing and the horizontal tail of imitative wing all is embodied in the variation of lift coefficient, so do not embody the variation of sweepback angle α of the horizontal tail of the setting angle of imitative wing and imitative wing in calculating.Following examples are identical therewith).Experiment finally records under the effect of imitative wing, and the compartment is loss of weight 1.40 newton altogether.Calculate according to theory, the empirical theory value should be 20756.25 * 8/6400/9/2=1.44 (newton), and then actual acquisition lift is 97.2% of theoretical value.
See also Fig. 4 and Fig. 5, the structure of imitative wing mainly is to be made of the firm banking 4 of rectangular structure and horizontal tail 1 fixed thereon; Wherein, the one side of this firm banking is connected with horizontal tail, and another side is installed in the side in locomotive or compartment, and the horizontal length of firm banking is 1 meter, and wide is 50 centimetres, and the thickness of firm banking is 60 millimeters, and horizontal tail and firm banking are 90 degree right angles; The upper limb highest point that is installed in the horizontal tail of the imitative wing on locomotive and the compartment is 70 centimetres apart from locomotive or car bottom respectively.
Described horizontal tail adopts the plate wing, the section of its plate shaped wing is in the additional trouble flow strip that is shaped as zigzag projection (shown in the f among Fig. 2) of the leading edge of horizontal tail at the additional artificial turbulence structure of the nearly leading edge portion of the upper surface of described horizontal tail shown in (1) among Fig. 1.
The area of described horizontal tail is 2.25 sq ms, and this moment, taper ratio was 1, and the length of horizontal tail is 225 centimetres, and leading edge sweep is 0 degree, and the trailing edge sweepforward angle is 0 degree, and the angle of attack is 0 degree.
According to the lift formula: Y=1/2 ρ C
ySV
2(area * lift coefficient of lift=1/2 * density of air * horizontal tail * train speed square)
Wherein density of air ρ is 0 o'clock situation in sea level elevation, and numerical value is 1.23 kilograms of every cubic meters; Train speed V gets expectation and reaches value 540 kilometer per hours (i.e. 150 metre per second (m/s)s).Area S value 2.25 sq ms of horizontal tail (this moment, taper ratio was 1,225 centimetres of horizontal chord); Lift coefficient C
yGet intermediate value 2 and (come value according to previous experiences, lift coefficient is determined by the shape of the angle of attack and imitative wing, being 15 to get when spending at maximum angle of attack α, but can producing great resistance this moment) we select to install 4 (2 groups) imitative wing with this understanding.
Y=1/2 * 1.23 * 2 * 2.25 * 150 * 150=62268.75 (newton)
Lift is converted into quality to be had: Y=Mg (lift=quality * gravity coefficient)
Gravity coefficient g gets 9.8 meter per seconds
2
Mass M=62268.75/9.8=6354 (kilogram)=6.354 (ton)
Total mass M
Always=6.354 * 4=25.4 (ton)
4 (2 groups) imitative wing can provide about 25.4 tons raising force in the case.
With this understanding with 4 (2 groups) of above-mentioned preparation imitative wing, be fixedly mounted on the left and right sides (seeing also Fig. 6) in compartment that a length is about 25 meters high ferro train by firm banking is symmetrical and equidistant, and the central, transverse axis of each symmetrical imitative wing of installing in the group left and right sides is on the same lateral axis.According to computing formula L=N * D+ (N+1) * d, car length L=25 rice wherein, N=2, the horizontal length of firm banking is 1 meter, then be installed in the imitative wing foremost that imitative wing zone is installed of side, compartment to the distance of the front edge of this side, compartment, with the imitative wing of the rearmost end that is installed in the imitative wing zone of installing of this side, compartment distance to the back edge of this side, compartment, and with the distance (d) between the imitative wing that is installed in this side, compartment equal=7.7 meters.
The manufacturing ratio is that the vehicle body side based on high speed railway that dwindles at 1: 80 is tested with the model of the aerodynamic force aerotrain of imitative wing, sees also Fig. 6, and the car body of high speed train is I, and then the area of imitative wing II is 1/6400 of true area in the experiment; Model velocity is selected 50 meter per seconds in the experiment, is 1/3 in theoretical the calculating; Experiment records at this moment, and lift coefficient is about 0.5.Experiment finally records under the effect of imitative wing, and the compartment is loss of weight 2.00 newton altogether.Calculate according to theory, the empirical theory value should be 62268.75 * 4/6400/9/2=2.16 (newton), and then actual acquisition lift is 92.6% of theoretical value.
See also Fig. 4 and Fig. 5, the structure of imitative wing mainly is to be made of the firm banking 4 of rectangular structure and horizontal tail 1 fixed thereon; Wherein, the one side of this firm banking is connected with horizontal tail, and another side is installed in the side in locomotive or compartment, and the horizontal length of firm banking is 1 meter, and wide is 50 centimetres, and the thickness of firm banking is 60 millimeters, and horizontal tail and firm banking are 90 degree right angles; The upper limb highest point that is installed in the horizontal tail of the imitative wing on locomotive and the compartment is 70 centimetres apart from locomotive or car bottom respectively.
Described horizontal tail adopts the plate wing, the section of its plate shaped wing is additional resilient band (shown in the d among Fig. 2) that streams in front in the leading edge of horizontal tail at the additional artificial turbulence structure of the nearly leading edge portion of the upper surface of described horizontal tail shown in (1) among Fig. 1.
The area of described horizontal tail is 1.125 sq ms, and this moment, taper ratio was 0.3, and the length of horizontal tail is 150 centimetres, and leading edge sweep is 25 degree, and the trailing edge sweepforward angle is-25 degree, and the angle of attack is 0 degree.
According to the lift formula: Y=1/2 ρ C
ySV
2(area * lift coefficient of lift=1/2 * density of air * horizontal tail * train speed square)
Wherein density of air ρ is 0 o'clock situation in sea level elevation, and numerical value is 1.23 kilograms of every cubic meters; Train speed V gets expectation and reaches value 540 kilometer per hours (i.e. 150 metre per second (m/s)s).Area S value 2.25 sq ms of horizontal tail (this moment, taper ratio was 0.5,150 centimetres of horizontal chord); Lift coefficient C
y(come value according to previous experiences, lift coefficient determines by the shape of the angle of attack and imitative wing, is 0 to get when spending at minimum angle of attack α to get intermediate value 0.3.But the lift that can produce this moment is less) we select to install 12 (6 groups) imitative wing with this understanding.
Lift Y=1/2 * 1.23 * 0.3 * 1.125 * 150 * 150=4670 (newton)
Lift is converted into quality to be had: Y=Mg (lift=quality * gravity coefficient)
Gravity coefficient g gets 9.8 meter per seconds
2
Mass M=4670/9.8=476.5 (kilogram)=0.4765 (ton)
Single imitative wing can provide about 0.4765 ton raising force in the case.
Total mass M
Always=0.4765 * 12=5.72 (ton)
Therefore, 12 (6 groups) imitative wing can provide about 5.72 tons raising force in the case.
With this understanding with 12 (6 groups) of above-mentioned preparation imitative wing, be fixedly mounted on the left and right sides (seeing also Fig. 6) in compartment that a length is about 25 meters high ferro train by firm banking is symmetrical and equidistant, and the central, transverse axis of each symmetrical imitative wing of installing in the group left and right sides is on the same lateral axis.According to computing formula L=N * D+ (N+1) * d, car length L=25 rice wherein, N=6, the horizontal length of firm banking is 1 meter, then be installed in the imitative wing foremost that imitative wing zone is installed of side, compartment to the distance of the front edge of this side, compartment, with the imitative wing of the rearmost end that is installed in the imitative wing zone of installing of this side, compartment distance to the back edge of this side, compartment, and with the distance (d) between the imitative wing that is installed in this side, compartment equal=2.7 meters.
The manufacturing ratio is that the vehicle body side based on high speed railway that dwindles at 1: 80 is tested with the model of the aerodynamic force aerotrain of imitative wing, sees also Fig. 6, and the car body of high speed train is I, and then the area of imitative wing II is 1/6400 of true area in the experiment; Model velocity is selected 50 meter per seconds in the experiment, is 1/3 in theoretical the calculating; Experiment records at this moment, and lift coefficient is about 0.5.Experiment finally records under the effect of imitative wing, and the compartment is loss of weight 0.468 newton altogether.Calculate according to theory, the empirical theory value should be 4670 * 12/6400/9/2=0.486 (newton), and then actual acquisition lift is 96.3% of theoretical value.
8 (4 groups) that the same terms that adopts the imitative wing of embodiment 1 preparation prepares are imitated wing, by the symmetrical and equidistant joint side that is fixedly mounted on of firm banking the side of locomotive that the zone length of imitative wing is about 20 meters high ferro train can be installed, and the central, transverse axis of each symmetrical imitative wing of installing in the group left and right sides (sees also Fig. 6) on the same lateral axis.According to computing formula L=N * D+ (N+1) * d, the length L of locomotive side=20 meter wherein, N=4, the horizontal length of firm banking is 1 meter, then be installed in the imitative wing foremost that imitative wing zone is installed of locomotive side to the distance of the front edge of this locomotive side, with the imitative wing of the rearmost end that is installed in the imitative wing zone of installing of this locomotive side distance to the back edge of this locomotive side, and with the distance (d) between the imitative wing that is installed in this locomotive side equal=3.2 meters.
The manufacturing ratio is that the vehicle body side based on high speed railway that dwindles at 1: 80 is tested with the model of the aerodynamic force aerotrain of imitative wing, sees also Fig. 6, and the car body of high speed train is I, and then the area of imitative wing II is 1/6400 of true area in the experiment; Model velocity is selected 50 meter per seconds in the experiment, is 1/3 in theoretical the calculating; Experiment records at this moment, and lift coefficient is about 0.5.Experiment finally records under the effect of imitative wing, and locomotive is loss of weight 1.32 newton altogether.Calculate according to theory, the empirical theory value should be 20756.25 * 8/6400/9/2=1.44 (newton), and then actual acquisition lift is 91.7% of theoretical value.
4 (2 groups) that the same terms that adopts the imitative wing of embodiment 2 preparations prepares are imitated wing, by the symmetrical and equidistant joint side that is fixedly mounted on of firm banking the side of locomotive that the zone length of imitative wing is about 20 meters high ferro train can be installed, and the central, transverse axis of each symmetrical imitative wing of installing in the group left and right sides (sees also Fig. 6) on the same lateral axis.According to computing formula L=N * D+ (N+1) * d, the length L of locomotive side=20 meter wherein, N=2, the horizontal length of firm banking is 1 meter, then be installed in the imitative wing foremost that imitative wing zone is installed of locomotive side to the distance of the front edge of this locomotive side, with the imitative wing of the rearmost end that is installed in the imitative wing zone of installing of this locomotive side distance to the back edge of this locomotive side, and with the distance (d) between the imitative wing that is installed in this locomotive side equal=6 meters.
The manufacturing ratio is that the vehicle body side based on high speed railway that dwindles at 1: 80 is tested with the model of the aerodynamic force aerotrain of imitative wing, sees also Fig. 6, and the car body of high speed train is I, and then the area of imitative wing II is 1/6400 of true area in the experiment; Model velocity is selected 50 meter per seconds in the experiment, is 1/3 in theoretical the calculating; Experiment records at this moment, and lift coefficient is about 0.5.Experiment finally records under the effect of imitative wing, and locomotive is loss of weight 2.02 newton altogether.Calculate according to theory, the empirical theory value should be 62268.75 * 4/6400/9/2=2.16 (newton), and then actual acquisition lift is 93.5% of theoretical value.
12 (6 groups) that the same terms that adopts the imitative wing of embodiment 3 preparations prepares are imitated wing, by the symmetrical and equidistant joint side that is fixedly mounted on of firm banking the side of locomotive that the zone length of imitative wing is about 20 meters high ferro train can be installed, and the central, transverse axis of each symmetrical imitative wing of installing in the group left and right sides (sees also Fig. 6) on the same lateral axis.According to computing formula L=N * D+ (N+1) * d, the length L of locomotive side=20 meter wherein, N=6, the horizontal length of firm banking is 1 meter, then be installed in the imitative wing foremost that imitative wing zone is installed of locomotive side to the distance of the front edge of this locomotive side, with the imitative wing of the rearmost end that is installed in the imitative wing zone of installing of this locomotive side distance to the back edge of this locomotive side, and with the distance (d) between the imitative wing that is installed in this locomotive side equal=2 meters.
The manufacturing ratio is that the vehicle body side based on high speed railway that dwindles at 1: 80 is tested with the model of the aerodynamic force aerotrain of imitative wing, sees also Fig. 6, and the car body of high speed train is I, and then the area of imitative wing II is 1/6400 of true area in the experiment; Model velocity is selected 50 meter per seconds in the experiment, is 1/3 in theoretical the calculating; Experiment records at this moment, and lift coefficient is about 0.5.Experiment finally records under the effect of imitative wing, and locomotive is loss of weight 0.461 newton altogether.Calculate according to theory, the empirical theory value should be 4670 * 12/6400/9/2=0.486 (newton), and then actual acquisition lift is 94.8% of theoretical value.
Claims (12)
1. one kind based on the vehicle body side of the high speed railway aerodynamic force aerotrain with imitative wing, it is characterized in that: described vehicle body side is in the left and right sides of the locomotive of train with the aerodynamic force aerotrain of imitative wing and is symmetrically installed with respectively the imitative wing of the wing structure of imitated aircraft in the left and right sides in every joint compartment.
2. the vehicle body side based on high speed railway according to claim 1 is characterized in that with the aerodynamic force aerotrain of imitative wing: the total quantity of the symmetrical imitative wing of installing in the left and right sides of described locomotive at train is more than 4;
Described total quantity at the symmetrical imitative wing of installing in the left and right sides in every joint compartment is more than 4.
3. the vehicle body side based on high speed railway according to claim 1 and 2 is with the aerodynamic force aerotrain of imitative wing, and it is characterized in that: the quantity of the imitative wing of installing on described every joint compartment as many.
4. the vehicle body side based on high speed railway according to claim 2 is with the aerodynamic force aerotrain of imitative wing, it is characterized in that: the symmetrical imitative wing of installing in the described left and right sides at locomotive, the imitative wing that install every side all is to be installed on the side of locomotive with equally spaced mounting means, and the central, transverse axis of each symmetrical imitative wing of installing in the group left and right sides is on the same lateral axis;
The symmetrical imitative wing of installing in the described left and right sides in every joint compartment, the imitative wing that install every side all is to be installed on the side in every joint compartment with equally spaced mounting means, and the central, transverse axis of each symmetrical imitative wing of installing in the group left and right sides is on the same lateral axis.
5. the vehicle body side based on high speed railway according to claim 4 is with the aerodynamic force aerotrain of imitative wing, it is characterized in that: the equally spaced mounting means of the described imitative wing of installing in the side of locomotive, to be installed in the imitative wing foremost that imitative wing zone is installed of locomotive side to the distance of the front edge of this locomotive side, with the imitative wing of the rearmost end that is installed in the imitative wing zone of installing of this locomotive side distance to the back edge of this locomotive side, and equate with distance between the imitative wing that is installed in the locomotive side;
The equally spaced mounting means of the described imitative wing of installing in the side in every joint compartment, to be installed in the imitative wing foremost that imitative wing zone is installed of side, compartment to the distance of the front edge of this side, compartment, with the imitative wing of the rearmost end that is installed in the imitative wing zone of installing of this side, compartment distance to the back edge of this side, compartment, and equate with distance between the imitative wing that is installed in this side, compartment.
6. according to claim 1,2,4 or 5 described vehicle body sides based on high speed railway are with the aerodynamic force aerotrain of imitative wing, it is characterized in that: the structure of described imitative wing mainly is to be made of firm banking and horizontal tail fixed thereon, the one side of this firm banking is connected with horizontal tail, and another side is installed in the side in locomotive or compartment; Horizontal tail and firm banking are 90 degree right angles.
7. the vehicle body side based on high speed railway according to claim 6 is characterized in that with the aerodynamic force aerotrain of imitative wing: the upper limb highest point of the horizontal tail of the imitative wing that install the side of described locomotive is 40～70 centimetres apart from the bottom of locomotive;
The upper limb highest point of the horizontal tail of the imitative wing that install the side in described compartment is 40～70 centimetres apart from the bottom in compartment.
8. the vehicle body side based on high speed railway according to claim 6 is with the aerodynamic force aerotrain of imitative wing, and it is characterized in that: the structural entity of described horizontal tail is stream line pattern, has the angle of attack, leading edge sweep and trailing edge sweepforward angle; Leading edge at described horizontal tail is provided with artificial turbulence structure; Trailing edge at described horizontal tail is equipped with trailing edge flap.
9. the vehicle body side based on high speed railway according to claim 8 is characterized in that with the aerodynamic force aerotrain of imitative wing: described trailing edge flap is trailing edge double slit wing flap or trailing edge list seam wing flap.
10. the vehicle body side based on high speed railway according to claim 8 is characterized in that with the aerodynamic force aerotrain of imitative wing: the artificial turbulence structure of the leading edge setting of described horizontal tail is one of following six types: (a) leading edge portion at the upper surface of horizontal tail increases degree of roughness; (b) in the trouble flow strip of the additional projection of nearly leading edge portion of the upper surface of horizontal tail; (c) at the span leading edge position of distance horizontal tail, vertically opening row's diameter every 5 centimetres is 3～5 centimetres, and the degree of depth is no more than 2 centimetres flow-disturbing hole; (d) at the additional resilient band that streams in the front of the leading edge of horizontal tail; (e) add in the leading edge of horizontal tail and be that the dotted line shape distributes, each 0＜diameter＜5 centimetre, spacing is 7～15 centimetres block-like protrusions bumper/spoiler; (f) the leading edge additional shape at horizontal tail is zigzag projection trouble flow strip, flow-disturbing hole or the resilient band that streams.
11. according to claim 7,8,9 or 10 described vehicle body sides based on high speed railway are with the aerodynamic force aerotrain of imitative wing, it is characterized in that: described horizontal tail is the plate shaped wing, and the section of its plate shaped wing is selected from a kind of in the aerofoil profile of the lower slightly flat wing section in plate shaped wing section, typical pinion section, arch, upper lower aerofoil symmetry.
12. the vehicle body side based on high speed railway according to claim 11 is with the aerodynamic force aerotrain of imitative wing, it is characterized in that: the length of described horizontal tail is 150～225 centimetres, taper ratio is 0.5～1, area is 1.125～2.25 sq ms, leading edge sweep is 0～26.5 degree, the trailing edge sweepforward angle is-26.5～0 degree, and the angle of attack is 0～15 degree.
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| CN2011102427559A CN102951167A (en) | 2011-08-23 | 2011-08-23 | High-speed railway based aerodynamic aerotrain with simulated wings on lateral sides of aerotrain body |
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| CN2011102427559A CN102951167A (en) | 2011-08-23 | 2011-08-23 | High-speed railway based aerodynamic aerotrain with simulated wings on lateral sides of aerotrain body |
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| CN106379328A (en) * | 2016-09-30 | 2017-02-08 | 张潇 | Unmanned rail guided split-type electric floating taxi capable of being grouped |
| CN106476842A (en) * | 2015-12-15 | 2017-03-08 | 郭继会 | Rapidly motor-car design |
| CN106671999A (en) * | 2015-11-06 | 2017-05-17 | 朱晓义 | Energy-saving train capable of reducing weight during running |
| CN108909735A (en) * | 2018-05-22 | 2018-11-30 | 中车株洲电力机车有限公司 | A kind of variable cross-section Motor train unit body |
| CN111301441A (en) * | 2019-12-31 | 2020-06-19 | 张帅 | Three-dimensional layered space buoyancy traffic system above urban highway |
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Application publication date: 20130306 |