CN101016847A - High supersound air-intake air turbogenerator - Google Patents
High supersound air-intake air turbogenerator Download PDFInfo
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- CN101016847A CN101016847A CNA2007100204441A CN200710020444A CN101016847A CN 101016847 A CN101016847 A CN 101016847A CN A2007100204441 A CNA2007100204441 A CN A2007100204441A CN 200710020444 A CN200710020444 A CN 200710020444A CN 101016847 A CN101016847 A CN 101016847A
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
A supersound inlet air turbine generator comprises a front taper disc 1, a spring 2, a flow post 3, a turbine blade (6), a rotor axle 7, a generator rotor 9, and a generator 10, or comprises a spring, a flow post, a turbine blade, a generator rotor, a stator, a stable front taper disc, a stable back taper disc, and a stable axle. The invention is characterized in that the supersound airflow via the front edge of the turbine blade generates excited wave to generate pressure difference via excited wave asymmetry property, to form turbine rotation torque to rotate the turbine, along with the speed change, the eccentric force of the flow post magnifies the spring to change the turbine torque, to output constant voltage. The invention has simple structure, high energy conversion efficiency, and high respond speed, while the first structure can be mounted on the head of flight device and the second structure can be mounted under wings.
Description
One, technical field
The present invention relates to a kind of high Supersonic inlet air turbine generator, belong to the air inlet turbogenerator.
Two, background technique
In the prior art, the punching press turbogenerator, blade installation externally, the direct impulse turbine of incoming flow.Change the power that turbine sends or reach when regime of flight changes turbine power constant by the pitch that changes blade.This structure turbine only is applicable on the aircraft that is installed in middle low-speed operations.Flying speed is as reaching high subsonic speed, and incoming flow relative Mach number meeting Supersonic can produce shock wave like this before the blade before blade, causes the resistance of turbine to increase decrease in efficiency.
Calendar year 2001 U. S. Patent (the patent No.: 6270309B1) propose a kind of by-pass punching ram-air turbine generating and cooling system.This invention places power turbine in the duct, reaches aircraft when subsonics and supersonic flight, and turbine can both proper functioning.Simultaneously owing to adopt the adjusting of the variable realization flow of runner intake area, make the aircraft constant or variation on request of turbine output rate of in the flight envelope scope, fly.Flow area changes the relative movement of adopting the turbine inlet conical inner body.For supersonic vehicle, this turbine need guarantee that nozzle ring inlet air flow speed is less than velocity of sound by install the intake duct diffusion that slows down additional in its front.For the hypersonic flight aircraft, the inlet total pres sure recovery coefficient is little, and flow losses are big; And nozzle ring inlet air flow pressure is very high.Limited by the turbine blow down ratio, the turbine outlet air-flow still has very high pressure, and promptly stream pressure can be utilized effectively.Therefore this turbine is not suitable for the hypersonic flight aircraft.
Three, summary of the invention
The present invention is directed to the deficiencies in the prior art, propose a kind of hypersonic vehicle (as: hypersonic aeroplane) turbine generator that can be used for.
The high Supersonic inlet air turbine generator that the present invention carried mainly comprises conical disc, blade, streams post, generator, it is characterized in that: 1), the conical disc steering flow enters the turbine blade runner before the turbine blade, the airflow passes conical disc produces the Dou shock wave; 2), along anchor ring several turbine blades that distribute, quantity determines that by the size of high supersound air-intake air turbogenerator output power blade is wedge shape, supersonic airstream produces shock wave through blade inlet edge, the pressure reduction that utilizes the shock wave nonsymmetry to produce forms turbine rotation moment, promotes turbine rotation; 3), install additional before the blade and stream post, stream post by spring with stream the post mounting hole and connect.With rotation speed change, centrifugal force makes that to stream post flexible in the hole, changes turbine moment.It is constant that assurance requires the variation secondary speed to be bordering on change of aircraft flight state and generator power, makes generator output voltage constant; 4), rotating speed adjusting mechanism is simple.
The present invention has two kinds of technological schemes, technological scheme one: comprise rotation inner cone dish, spring, stream post, turbine blade, rotor shaft, generator amature, generator unit stator.Described turbine blade is along rotating the installation that evenly distributes of inner cone dish outer toroid, be equipped with in the rotation inner cone dish mounting hole of each turbine blade front end and stream post, spring housing is contained in and streams on the pylon rank, this spring is pushed down by compressing tablet, compressing tablet is fixed on by thread screw and rotates on the inner cone dish, stream that post is flexible to be controlled by spring, described generator amature is fixed on the rotor shaft, and by rotor shaft and rotate the inner cone end of trying to get to the heart of a matter and link to each other, described rotor shaft is installed in the pressed engine conical inner body head, described generator unit stator places the generator amature outside, two ends are connected with taper supporting frame one end respectively, these two taper supporting frame the other ends are fixed on the rotor shaft roller bearing bearing radial force respectively by roller bearing and ball bearing, ball bearing bears axially and radial force.
Technological scheme two comprises static inner cone dish, stationary axle, spring, streams post, turbine blade, generator amature, generator unit stator, static back awl dish.Plectane links to each other with the stationary axle front end described static inner cone dish in the static inner cone dish by being loaded on, and described static back awl dish links to each other with the stationary axle rear end by another plectane that is loaded in the awl dish of static back.Described generator unit stator places between static inner cone dish and the static back awl dish, be fixed on the stationary axle stage casing, described generator amature is enclosed within the generator unit stator outside, and pack into generator unit stator and to fix with circular cylindrical shell inner left wall face in the circular cylindrical shell, these circular cylindrical shell two ends are connected with taper supporting frame one end respectively, these two taper supporting frame the other ends are fixed on the stationary axle by roller bearing and ball bearing respectively, described turbine blade evenly distributes and is installed on the circular cylindrical shell outer wall in the generator amature outside, be equipped with in the circular cylindrical shell left side mounting hole before each turbine blade and stream post, this streams on the pylon rank places spring, this spring is pushed down by compressing tablet, compressing tablet is fixed on the circular cylindrical shell by thread screw, streams that post is flexible to be controlled by spring.
The high Supersonic inlet air turbine generator that this invention proposed can be directly used in hypersonic vehicle and extract energy change into electric power from air-flow.This device can be installed in Vehicle nose or be installed in pressed engine conical inner body head, is installed under the wing of aircraft but also can be used as folding structure.
This invention and traditional subsonic speed air inlet turbine relatively have following advantage, 1), turbine structure is simple; 2), make full use of the high momentum of hypersonic flow, total energy conversion ratio height; 3) because the Supersonic air inlet utilizes shock wave generation pressure reduction formation blade tangential force numerical value big, thereby equal-wattage output turbine size is little; 4), when rotation speed change, the relative wind angle changes shock strength is changed greatly before the turbine blade, the turbine output rate changes greatly.Turbine responded soon when therefore bearing power changed, and was easy to realize the constant-speed operation (guaranteeing that generator output voltage is constant) of turbine; 5) rotating speed adjusting mechanism is simple.
Four, description of drawings
Fig. 1 is the high supersound air-intake air turbogenerator schematic representation that is installed on Vehicle nose.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Fig. 3 is for being installed in the high supersound air-intake air turbogenerator schematic representation under the aircraft wing as folding structure.
Fig. 4 is the partial enlarged drawing of Fig. 3.
Fig. 5 (a) is the turbine blade scheme of installation among Fig. 1; Fig. 5 (b) is that the A of Fig. 5 (a) is to partial view; Fig. 5 (c) is that the B of Fig. 5 (a) is to sectional view.
Fig. 6 is that turbine blade plane cascade shock wave forms schematic representation.
Label title among Fig. 1 and Fig. 2, Fig. 5 (a) and (b), (c): 1, rotate the inner cone dish; 2, spring; 3, stream post; 4, compressing tablet; 5, thread screw; 6, turbine blade; 7, rotor shaft; 8, roller bearing; 9, generator amature; 10, generator unit stator; 11, ball bearing; 12, conical inner body head.
Label title among Fig. 3 and Fig. 4: 13, static inner cone dish; 14, stationary axle; 15, roller bearing; 16, spring; 17, stream post; 18, compressing tablet; 19, thread screw; 20, turbine blade; 21, generator amature; 22, generator unit stator; 23, ball bearing; 24, static back awl dish; 25 and 27, plectane; 26, circular cylindrical shell.Label title among Fig. 6: 28, intake velocity triangle; 29, Dou shock wave; 30, turbine blade profile.
Five, specific implementation method
Fig. 1 and Fig. 2, Fig. 5 (a) and (b), (c) are installed in Vehicle nose or the high Supersonic air inlet of pressed engine conical inner body head turbine generator schematic representation for being applicable to, mainly by rotate inner cone dish 1, spring 2, stream post 3, compressing tablet 4, thread screw 5, turbine blade 6, rotor shaft 7, roller bearing 8, generator amature 9, generator unit stator 8, ball bearing 11, conical inner body head 12 form.
Fig. 3 and Fig. 4 are applicable to as folding structure to be installed in high Supersonic inlet air turbine generator schematic representation under the aircraft wing.Mainly by: static inner cone dish 13, stationary axle 14, roller bearing 15, spring 16, stream post 17, compressing tablet 18, thread screw 19, turbine blade 20, generator amature 21, generator unit stator 22, ball bearing 23, static back awl dish 24 is formed.
It is as follows to narrate each component function according to above accompanying drawing:
Rotate inner cone dish 1 and static inner cone dish 13: the supersonic speed incoming flow produces Dou shock wave deceleration supercharging at conical point, and steering flow enters the turbine blade passage.Spring 2,16: with stream post 3,17 and constitute an integral body, when secondary speed changes, stream post centrifugal force and change and drive telescopic spring, the suffered gas force of change turbine blade, it is constant substantially to keep secondary speed.Turbine blade 6,20: as Fig. 6, be used to flow path direction and blade profile 30 leading edge nonsymmetry (seeing velocity triangle 28), supersonic airstream produces the Dou shock wave 29 or the extensional wave of varying strength on two surfaces of blade, produce pressure difference and form the turbine Driving force.Front fulcrum roller bearing 8,15: be used for the bear rotor radial force.Rear fulcrum ball bearing 11,23: the axial force that is used for bear rotor radial force and whole rotor.Rotor 9,21 and stator 10,22: form generator, the power of turbine is changed into electric power output.Static back awl dish 24: guiding turbine outlet air-flow row is to ambient air.Thread screw 5,19: be respectively applied for blade, annular preform is fixed; Annular preform 4,28: stream the post mounting spring behind the mounting hole of packing into, use this compressing tablet holddown spring again.
The main parts size means of fixation.For the turbine generator of Figure 1 and Figure 2, stream post 3 and fix by compressing tablet 4 with spring 2.Promptly will stream the post mounting hole of packing into earlier and reinstall spring, and use annular preform 4 holddown springs then, annular preform is fixing by thread screw 5.Turbine blade 6 can adopt Fig. 5 method to fix.Turbine blade adopts the swallow-tail form tenon to cooperate with swallow-tail form tongue-and-groove on the rotor disk, is fixed by tack pin 5 again.Generator unit stator 10 front and back bearings fitting seats adopt several width of cloth bars to connect or adopt conical surface to connect.For turbine generator shown in Figure 3, the main parts size means of fixation can adopt the method identical with the Figure 1 and Figure 2 turbine generator.
The method of work of Supersonic air turbine power generator of the present invention is described to Fig. 6 below in conjunction with Fig. 1:
The turbine starting process.Open or the power generating turbine of folding structure when putting into atmosphere when pressed engine, high Supersonic incoming flow produces the Dou shock wave on inner cone dish summit, and air-flow still is a supersonic speed behind the shock wave.At this moment turbine is static, and rim speed is 0 (U=0 in the velocity triangle 28).Air-flow produces the shock wave opposite side in turbine blade one side and produces extensional wave, forms bigger pressure difference and promotes turbine rotation.Secondary speed increases rim speed and increases, and relative wind angle (with axial angle) increases, and pressure difference constantly reduces; And, centrifugal action increases because streaming the post extrusion.Therefore the turbine blade gas force reduces with the rotating speed increase.When reaching design speed and generator power also for design load, turbine produces power and generator power demand balance, and rotor speed remains unchanged.
When regime of flight variation or generator power required to change, secondary speed was adjusted automatically.When design flying height, Mach number and motor output power, stream post and be in a certain position.(require to diminish as generator power) when secondary speed becomes big, streaming post centrifugal force increases, and the cylinder extension increases, and reduces to flow through the turbine blade gas flow, reduces BLADE FORCE, and rotating speed is descended.Said process essence is to stream the overhanging height of post to increase when the power of motor requirement descends, and reduces the turbine output rate.Can turbine return to the elasticity coefficient that former rotating speed depends on spring in the course of the work.In fact can not under all working state, can both strictly keep rotating speed constant, but as long as the rotation speed change scope is little, motor is regulated by self can realize that output voltage is constant.
Embodiment.Design one is installed on the power generating turbine of pressed engine conical inner body front portion (as Fig. 1, cone angle is 20 °).Requirement is that 25km, flight Mach number are 4.0 o'clock in flying height: it is 10kw that turbine sends power.Under the situation of not considering mobile viscosity, carry out calculus of approximation.At first calculate the conical surface Dou shock wave that cone apex produces, obtain Dou shock wave downstream that is blade inlet stream parameter; Press the mobile blade pressure that calculates of blade mean radius place plane cascade then, resolve into again axially and tangential component.It is as follows to get the proposal plan result thus.The blade inlet edge angle of wedge (Fig. 5 (b)): 10 °; The number of blade: 8; Blade mean radius of living in (apart from conical inner body axis normal distance): 50mm; Blade height: 30mm; Width of blade: 20mm.Rotor speed 50000rpm.Blade inlet edge Dou shock wave total pressure recovery coefficient: 0.95.Example shows: little by the turbine airflow loss; Maximum airflow angle of yaw little (less than 10 °), the turbine structure size is little.
Claims (3)
1. high supersound air-intake air turbogenerator, it is characterized in that: comprise and rotate inner cone dish (1), spring (2), stream post (3), turbine blade (6), rotor shaft (7), generator amature (9), generator unit stator (10), described turbine blade (6) is along rotating the installation that evenly distributes of inner cone dish (1) outer toroid, be equipped with in rotation inner cone dish (1) mounting hole of each turbine blade (6) front end and stream post (3), spring (2) is sleeved on and streams on the pylon rank, this spring (2) is pushed down by compressing tablet (4), compressing tablet (4) is fixed on by thread screw (5) and rotates on the inner cone dish (1), stream that post (3) is flexible to be controlled by spring (2), described generator amature (9) is fixed on the rotor shaft (7), and link to each other with rotation inner cone dish (1) bottom by rotor shaft (7), described rotor shaft (7) is installed in the pressed engine conical inner body head (12), described generator unit stator (10) places generator amature (9) outside, two ends are connected with taper supporting frame one end respectively, these two taper supporting frame the other ends are fixed on the rotor shaft (7) by roller bearing (8) and ball bearing (11) respectively, roller bearing (8) bearing radial force, ball bearing (11) bears axially and radial force.
2. high supersound air-intake air turbogenerator, it is characterized in that: comprise static inner cone dish (13), stationary axle (14), spring (16), stream post (17), turbine blade (20), generator amature (21), generator unit stator (22), static back awl dish (24), described static inner cone dish (13) links to each other with stationary axle (14) front end by being loaded on the interior plectane of static inner cone dish (13) (27), described static back awl dish (24) links to each other with stationary axle (14) rear end by another plectane (25) that is loaded in the static back awl dish (24), and described generator unit stator (22) places static inner cone dish
(13) and between the static back awl dish (24), be fixed on stationary axle (14) stage casing, described generator amature (21) is enclosed within generator unit stator (22) outside, and pack into generator unit stator (22) and to fix with circular cylindrical shell inner left wall face in the circular cylindrical shell (26), this circular cylindrical shell (26) two ends are connected with taper supporting frame one end respectively, these two taper supporting frame the other ends are fixed on the stationary axle (14) by roller bearing (15) and ball bearing (23) respectively, described turbine blade (20) evenly distributes and is installed on circular cylindrical shell (26) outer wall in generator amature (21) outside, in the mounting hole of the preceding circular cylindrical shell (26) of each turbine blade (20) left side, be equipped with and stream post (17), this streams places spring (16) on the pylon rank, this spring is pushed down by compressing tablet (18), and compressing tablet (18) is by thread screw
(19) be fixed on the circular cylindrical shell (26), stream that post (17) is flexible to be controlled by spring (16).
3. high supersound air-intake air turbogenerator according to claim 1 and 2 is characterized in that turbine blade is wedge shape, and quantity is determined by the size of high supersound air-intake air turbogenerator output power.
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| CNB2007100204441A CN100478559C (en) | 2007-02-27 | 2007-02-27 | High supersound air-intake air turbogenerator |
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| CNB2007100204441A CN100478559C (en) | 2007-02-27 | 2007-02-27 | High supersound air-intake air turbogenerator |
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| CN101016847A true CN101016847A (en) | 2007-08-15 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101798961A (en) * | 2010-03-29 | 2010-08-11 | 南京航空航天大学 | Two-stage beveled supersonic speed air inlet lip |
| CN101813027A (en) * | 2010-03-29 | 2010-08-25 | 南京航空航天大学 | Bump air inlet method for realizing integration of unequal-strength wave system with forebody |
| CN103967535A (en) * | 2013-02-01 | 2014-08-06 | 中国航空工业集团公司西安飞机设计研究所 | Refrigeration and electricitygeneration integrated device driven by air turbine |
| CN104018954A (en) * | 2013-08-23 | 2014-09-03 | 中国人民解放军国防科学技术大学 | Slope device applied to circular-section ramjet engine combustion chamber |
| CN104110326A (en) * | 2014-07-02 | 2014-10-22 | 北京航空航天大学 | New concept high-speed aerocraft propulsion system layout method |
| CN112324602A (en) * | 2020-11-11 | 2021-02-05 | 王小雅 | Horizontal shaft rotating body, device, system and method for gathering water energy and wind energy |
| CN113374629A (en) * | 2021-06-16 | 2021-09-10 | 上海汉未科技有限公司 | Missile-borne inertia control wind energy acquisition and conversion device and missile-borne power supply |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2714026C1 (en) * | 2018-10-17 | 2020-02-11 | Андрей Вячеславович Прищепов | Multipurpose power system (mps) |
| TWI700432B (en) * | 2020-02-17 | 2020-08-01 | 空軍航空技術學院 | Supersonic shock wave dual-cycle drive power generation system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4701104A (en) * | 1986-06-18 | 1987-10-20 | Sundstrand Corporation | Ram air turbine |
| US5505887A (en) * | 1994-03-10 | 1996-04-09 | Meadox Medicals, Inc. | Extrusion process for manufacturing PTFE products |
| BR9917072A (en) * | 1998-12-14 | 2004-06-15 | Ghetzler Aero Power Corp | Low resistance piston air turbine generator and cooling system |
| CN100487239C (en) * | 2006-06-05 | 2009-05-13 | 南京航空航天大学 | Built-in by-pass punching ram-air turbine generator |
-
2007
- 2007-02-27 CN CNB2007100204441A patent/CN100478559C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101798961A (en) * | 2010-03-29 | 2010-08-11 | 南京航空航天大学 | Two-stage beveled supersonic speed air inlet lip |
| CN101813027A (en) * | 2010-03-29 | 2010-08-25 | 南京航空航天大学 | Bump air inlet method for realizing integration of unequal-strength wave system with forebody |
| CN101798961B (en) * | 2010-03-29 | 2012-08-22 | 南京航空航天大学 | Two-stage beveled supersonic speed air inlet lip |
| CN101813027B (en) * | 2010-03-29 | 2013-04-10 | 南京航空航天大学 | Bump air inlet method for realizing integration of unequal-strength wave system with forebody |
| CN103967535A (en) * | 2013-02-01 | 2014-08-06 | 中国航空工业集团公司西安飞机设计研究所 | Refrigeration and electricitygeneration integrated device driven by air turbine |
| CN104018954A (en) * | 2013-08-23 | 2014-09-03 | 中国人民解放军国防科学技术大学 | Slope device applied to circular-section ramjet engine combustion chamber |
| CN104018954B (en) * | 2013-08-23 | 2016-09-14 | 中国人民解放军国防科学技术大学 | A kind of slope apparatus being applied to circular section scramjet combustor |
| CN104110326A (en) * | 2014-07-02 | 2014-10-22 | 北京航空航天大学 | New concept high-speed aerocraft propulsion system layout method |
| CN112324602A (en) * | 2020-11-11 | 2021-02-05 | 王小雅 | Horizontal shaft rotating body, device, system and method for gathering water energy and wind energy |
| CN113374629A (en) * | 2021-06-16 | 2021-09-10 | 上海汉未科技有限公司 | Missile-borne inertia control wind energy acquisition and conversion device and missile-borne power supply |
| CN113374629B (en) * | 2021-06-16 | 2023-01-03 | 上海汉未科技有限公司 | Missile-borne inertia control wind energy collecting and converting device and missile-borne power supply |
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Granted publication date: 20090415 Termination date: 20130227 |