CN206446681U - One kind improves the aerodynamic device of FSAE racing cars - Google Patents
One kind improves the aerodynamic device of FSAE racing cars Download PDFInfo
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- CN206446681U CN206446681U CN201720050294.8U CN201720050294U CN206446681U CN 206446681 U CN206446681 U CN 206446681U CN 201720050294 U CN201720050294 U CN 201720050294U CN 206446681 U CN206446681 U CN 206446681U
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- wing
- empennage
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Abstract
Improve the aerodynamic device of FSAE racing cars, including front wing, empennage, diffuser and their processing technology and method the utility model discloses one kind；Front wing, empennage and diffuser are all rigidly attached on vehicle frame, and front wing is arranged on vehicle front portion, and empennage is arranged on the upper back of vehicle, and diffuser is arranged on vehicle underbody；The main wing and wing flap of front wing and empennage are all the structure manufacture using carbon fiber skeleton plus carbon fiber skin, further lightweight；By installing this aerodynamics external member, the aerodynamics performance of racing car is considerably increased, larger lower pressure is generated, adds the stability of racing car traveling.Pressure-resulted effect is substantially, small with resistance under the utility model, and lift-drag ratio is big, and convenient disassembly is simple in construction, portable construction, solid, practical advantage, and more preferable aerodynamic performance is provided for vehicle.
Description
Technical field
The utility model belongs to aerodynamic scope, particularly a kind of to improve the aerodynamic device of FSAE racing cars.
Background technology
Chinese utility model publication No.：CN201510070370.7 discloses a kind of FSAE racing cars aerodynamics external member,
Racing car in the process of moving, produces lower pressure to racing car external member by air-flow, is delivered to after racing car so that automobile, which has, more preferably grabs
Soil fertility；But the problem of (1) is without fin top and excessive resistance at end plate connection is solved on the empennage of the external member, (2) are not solved
Certainly because tip vortex is larger and causes the problem of induced drag is big, (3) are without the performance for lifting anti-stall；(1) does not have on front wing
There is solution the problem of further guiding air-flow gets around front-wheel in the case of legal, (2) are without solution due to tip vortex
Larger and cause the problem of induced drag is big, (3) are without solving the problem of side air-flow is to the impact of front wing bottom airflow, (4)
The performance of anti-stall is not lifted；(1) does not improve Venturi effect further on diffuser, it is ensured that the problem of the road clearance；
And the problem of lightweight is inexpensive can not be solved in the current front wing of racing car aerodynamics external member and the processing technology of empennage.
Bai Qiuyang, Wang Hui, Li Jiafan, Hao Xu, which fly one kind, improves FSAE racing cars aerodynamic device Combination Design point
Analyse HeFei University of Technology journal (natural science edition) U469.696；U463.2016.5.28 has delivered a kind of FSAE racing cars air
Dynamics external member Combination Design is analyzed, and in racing car field, aerodynamic studies are had become between every race and fleet
The focus of competition, by racing car carry out vehicle aerodynamics analysis, find out vehicle modeling on aerodynamic influence because
Element, but do not solve above-mentioned problem yet.
The content of the invention
The technical problem that the utility model is solved is to provide a kind of improvement aerodynamic device of FSAE racing cars, made
The lower pressure of vehicle is further enhanced, and resistance is further reduced, and lift-drag ratio further increases, and more preferable sky is provided for vehicle
Aerodynamic properties.
The technical solution for realizing the utility model purpose is：
One kind improves the aerodynamic device of FSAE racing cars, including front wing, empennage and diffuser；The front wing includes master
The wing, wing flap, vertical wing flap, front wing end plate；The front wing end plate includes outside end plate and inner side end plate；The outside end plate rear end
There is deflector；Lower end is provided with outside swirl channel on the outside of the outside end plate, and the outside swirl channel is the circle arched upward upwards
Arc structure, the length of outside swirl channel is consistent with the length of outside end plate, axial direction and the X-direction one of outside swirl channel
Cause；The main wing two ends that are connected with outside end plate are equipped with inner side swirl channel, and the inner side swirl channel arches upward upwards
Arc structure, the length of the inner side swirl channel is consistent with the length of main wing, axial direction and the X-direction one of inner side swirl channel
Cause；Relief hole is provided with the middle part of the outside end plate；The relief hole is long slot bore, and relief hole is located at main wing upper end；The master
Wing rear upper, which is provided with above wing flap, wing flap, is provided with vertical wing flap, and the vertical wing flap is rectangular slab, one end of vertical wing flap
It is connected with outside end plate, the other end of vertical wing flap is closely located to wing flap medium position, the length side of the vertical wing flap
To consistent with Y direction；The main wing afterbody lower end is provided with vortex generator, and the vortex generator is zigzag structure；
The empennage includes main wing, the first wing flap, the second wing flap, empennage end plate；The is set above the empennage end plate front end
One fluting, first fluting is horizontal blind window structure；The empennage end plate rear upper end is provided with the second fluting, described the
Two flutings are hook type arc structure；Provided with the 3rd fluting and the 4th fluting in the middle part of the empennage end plate, the 3rd fluting and the
Four flutings are arc structure, and bending curvature direction is towards in front of empennage end plate；Opened provided with the 5th the empennage end plate rear portion lower end
Groove, the 5th fluting is longitudinal venetian blind type structure；The empennage end plate front lower ends are provided with otch, and the otch is toward X
Axle negative direction extends.
The diffuser includes air inlet pipe, escape pipe, the second gurney flap and rebound；The air inlet pipe is located at diffuser
Front end, escape pipe is located at the tail end of diffuser, air inlet pipe and escape pipe formation gas channel, passes through between twice gas channel
Rebound is connected；" O " type structure is formed between the twice gas channel of the diffuser, the escape pipe uses the small rear end in front end
Big trapezoid cross section structure.
The utility model compared with prior art, its remarkable advantage：
(1) there is vertical wing flap above front wing wing flap, further block the air-flow above aerofoil, increase lower aerofoil
Air-flow velocity is poor, further improves lower pressure；Preferably guiding air-flow is flowed away above tire simultaneously, it is to avoid air-flow is directly hit
Hit racing car front-wheel.
(2) on the outside of front wing end plate deflector toward turn up be for produce washout air-flow, air bypasses front-wheel is reduced sky
Gas impinges upon on front-wheel and produces resistance；The pressure difference of fin upper and lower is increased simultaneously, to produce bigger lower pressure.
(3) end plate is provided with relief hole on the outside of front wing, the high pressure that can be produced for fin upper surface and outside end plate junction
Pressure release, greatly reduces resistance and weakens tip vortex；The air-flow overflowed simultaneously adds washout along outside end plate washout
Effect.
(4) inner side and outer side swirl channel is respectively equipped with the outside of front wing below end plate, vortex can be produced in the channel simultaneously
Low-pressure area is produced, vortex extends backward along passage, the air-flow of front wing bottom margin can be combed well, before greatly weakening
Impact of the flank side air to front wing bottom low-pressure area, plays a part of protecting low-pressure area, while vortex is formed below in aerofoil
Low pressure, increases pressure under front wing.
(5) front wing is provided with vortex generator in main wing trailing edge, adds boundary-layer energy, reduces air-flow and is taken off from fin
From.
(6) the recurvate otch in empennage end plate front end produces air inlet effect, can increase and enter empennage lower surface
Air-flow, increases pressure under empennage, while reducing stall.
(7) fluting of the longitudinal shutter in empennage end plate rear end bottom, can comb the washout air-flow of diffuser, increase
The washout effect of air-flow.
(8) first fluting on empennage end plate top, can weaken tip vortex, while can be to above empennage aerofoil and end
Plate junction carries out pressure release to reduce resistance.
(9) empennage end plate top tail end can allow at the second fluting provided with the second fluting and produce reverse tip vortex and support
The tip vortex that a part of main wing that disappears is produced, while allowing two tip vortexes mutually to merge and weaken.
(10) provided with the 3rd fluting and the 4th fluting air-flow can be guided to enter below empennage in the middle part of empennage end plate, supplement
Air-flow between main wing and the first wing flap, between the first wing flap and the second wing flap, increases boundary-layer energy, prevents empennage stall.
(11) empennage the second wing flap afterbody upper end is provided with gurney flap, produces reversely vortex and the air-flow above aerofoil is produced
Backwater effect, increases the empennage angle of attack, further increases the lower pressure of empennage.
(12) " O " type structure is formed between the twice gas channel of diffuser so that the pressure of the Venturi tube of gas channel
Contracting section further extends, and increases the low-pressure area at rear in gas channel lower end, while gas channel upper end avoids frame portion
Point, it is ensured that the road clearance of diffuser.Diffuser escape pipe is designed using trapezoid cross section, increases gas channel afterbody vortex
Intensity, while setting gurney flap at escape pipe, further enhancing pumping effect.
(13) main wing and wing flap all use floor covering type structure Combined machining so that the total of front wing and empennage is non-
Often solid and slim and graceful, the weight of front wing and empennage is added up less than five kilograms.
The utility model is described in further detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the vehicle axis system that utility model FSAE racing cars are used.
Fig. 2 is utility model FSAE racing car front wing structural front views.
Fig. 3 is utility model FSAE racing car front wing structural side views.
Fig. 4 is utility model FSAE racing car front wing structural perspectives.
Fig. 5 is utility model FSAE racing car front wing broached-tooth design Local maps.
Fig. 6 is utility model FSAE racing car tail structure front views.
Fig. 7 is utility model FSAE racing car tail structure side views.
Fig. 8 is utility model FSAE racing car tail structure stereograms.
Fig. 9 is utility model FSAE racing car diffuser structure front views.
Figure 10 is utility model FSAE racing car diffuser structure side views.
Figure 11 is utility model FSAE racing car diffuser structure stereograms.
Figure 12 is utility model FSAE racing cars main wing and wing flap floor skeleton stressed-skin construction installation diagram.
Figure 13 high speed avoidance achievement histograms in the case where repeating to test for installation FASE racing cars of the present utility model.
Figure 14 is front wing cross-section pressure cloud atlas.
Figure 15 is front wing fluid field pressure cloud atlas.
Figure 16 is front wing flow field motion pattern.
Figure 17 is empennage fluid field pressure cloud atlas.
Figure 18 is empennage flow field cross-section pressure cloud atlas.
Figure 19 is empennage cross-section pressure cloud atlas.
Figure 20 is diffuser pressure cloud atlas.
Figure 21 is diffuser motion pattern.
Figure 22 is the front wing motion pattern for not installing vortex generator.
Figure 23 is the front wing motion pattern for installing vortex generator.
Embodiment
With reference to Fig. 1-12, a kind of improvement aerodynamic device of FSAE racing cars of the present utility model, including front wing, empennage
And diffuser；
The front wing includes main wing 5, wing flap 6, vertical wing flap 7, front wing end plate；The front wing end plate includes outside end plate 4
With inner side end plate 2；There is deflector 1 rear end of outside end plate 4, and the deflector 1 can make air-flow get around front-wheel, prevent air-flow
Directly hit tire and produce resistance, reduce influence of the tire torrent to aerodynamics of vehicle performance.The outside of outside end plate 4
Lower end is provided with outside swirl channel 3, and the outside swirl channel 3 is the arc structure arched upward upwards, the length of outside swirl channel 3
Degree is consistent with the length of outside end plate 4, and the axial direction of outside swirl channel 3 is consistent with X-direction；The main wing 5 and outside end plate 4
Connected two ends are equipped with inner side swirl channel 9, and the inner side swirl channel 9 is the arc structure arched upward upwards, the inner side whirlpool
The length of circulation road 9 is consistent with the length of main wing 5, and the axial direction of inner side swirl channel 9 is consistent with X-direction；The inner side vortex
Passage 9 and outside swirl channel 3, can produce in respective channel and be vortexed and produce low-pressure area, be vortexed along respective channel backward
Extension, the air-flow of front wing bottom margin can be combed well, front wing side air is greatly weakened to front wing bottom low-pressure area
Impact, play a part of protect low-pressure area, while vortex in aerofoil low pressure formed below, increase pressure under front wing.It is described
The middle part of outside end plate 4 is provided with relief hole 8；The relief hole 8 is long slot bore, and relief hole 8 is located at the upper end of main wing 5；The pressure release
The high pressure relief that hole 8 can produce for fin upper surface and the junction of outside end plate 4, greatly reduces resistance and weakens wing tip
Vortex；The air-flow overflowed simultaneously adds washout effect along the washout of deflector 1.The rear upper of main wing 5 is provided with wing flap 6,
The top of wing flap 6 is provided with vertical wing flap 7, and the vertical wing flap 7 is rectangular slab, one end and the phase of outside end plate 4 of vertical wing flap 7
Even, the other end of vertical wing flap 7 is closely located to the medium position of wing flap 6, length direction and the Y-axis side of the vertical wing flap 7
To consistent；The vertical wing flap 7 further blocks the air-flow above aerofoil, and the air-flow velocity for increasing lower aerofoil is poor, enters
One step improves lower pressure；Preferably guiding air-flow flows away above tire simultaneously, it is to avoid air-flow directly hits racing car front-wheel.Institute
The afterbody lower end of main wing 5 is stated provided with vortex generator 10, the vortex generator 10 is zigzag structure, the vortex generator 10
Boundary-layer energy is added, air-flow is reduced and departs from from fin.
The empennage includes main wing 11, the first wing flap 12, the second wing flap 13, empennage end plate 20；Before the empennage end plate 20
End top sets the first fluting 15, and first fluting 15 is horizontal blind window structure；First fluting 15 can weaken the wing
Point vortex, while can carry out pressure release to reduce resistance to above the empennage aerofoil and junction of empennage end plate 20.The empennage end
The rear upper end of plate 20 is provided with the second fluting 17, and second fluting 17 is hook type arc structure, can allow production at the second fluting 17
Raw reverse tip vortex simultaneously offsets the tip vortex that a part of main wing 11 is produced, while allowing two tip vortexes mutually to merge and cut
It is weak.The middle part of empennage end plate 20 is located at before the 4th fluting 18 provided with the 3rd fluting 14 and the 4th fluting 18, the 3rd fluting 14
End；The fluting of 3rd fluting 14 and the 4th 18 is arc structure, and bending curvature direction is towards the front of empennage end plate 20.Described
Three fluting 14 and the 4th fluting 18 can guide air-flow enter empennage below, supplement the wing flap 12 of main wing 11 and first between, first
Air-flow between the wing flap 13 of wing flap 12 and second, increases boundary-layer energy, prevents empennage stall.Under the rear portion of empennage end plate 20
End is the venetian blind type structure of longitudinal direction provided with the 5th fluting 16, the 5th fluting 16, and the front lower ends of empennage end plate 20 are set
There is otch 27, the otch 27 extends toward X-axis negative direction, otch 27 produces air inlet effect, can increase and enter empennage lower end
The air-flow in face, increases pressure under empennage, while reducing stall.
In further embodiment, the quantity of first fluting 15 is 4-6, as preferred embodiment, institute
The quantity for stating the first fluting 15 is 4.
In further embodiment, the quantity of the 5th fluting 16 is 4-6, as preferred embodiment, institute
The quantity for stating the 5th fluting 16 is 4.
As the further improvement to above-mentioned embodiment, the afterbody upper end of the second wing flap 13 is provided with the first gurney flap
19；First gurney flap 19 can produce reverse vortex, produce backwater effect to the air-flow above aerofoil, increase empennage
The angle of attack, so as to further increase the lower pressure of empennage generation.
The diffuser includes air inlet pipe 23, escape pipe 22, the second gurney flap 21 and rebound 28.The air inlet pipe 23
Positioned at the front end of diffuser, escape pipe 22 is located at the tail end of diffuser, air inlet pipe 23 and the formation gas channel of escape pipe 22, twice
It is connected between gas channel by rebound 28." O " type structure is formed between the twice gas channel of the diffuser so that gas
The compression section of the Venturi tube of circulation road further extends, and increases the low-pressure area at rear in gas channel lower end, while air-flow
Passage upper end avoids frame section, it is ensured that the road clearance of diffuser.The escape pipe 22 is using the small rear end in front end big
Trapezoid cross section structure, increases the strength of vortex of gas channel afterbody.The tail end of escape pipe 22, air-flow is past toward escape pipe inside
Upper volume, forms vortex, reduces the possibility of diffuser stall, increases the lower pressure of diffuser generation.
As the further improvement to above-mentioned embodiment, the afterbody upper end of escape pipe 22 is provided with the second gurney flap
21, it further enhancing pumping effect.
With reference to Figure 12, as the further improvement to above-mentioned embodiment, main wing, the wing flap of the front wing and empennage are wrapped
Include floor 24, carbon fiber bar 25, carbon fiber sheet 26, carbon fiber skin 29；The carbon fiber skin 29 is located at front wing or empennage is whole
The outside of individual structure, is made up of carbon fibre material.The floor 24 is fish type structure, and length direction is consistent with X-direction；It is described
Carbon fiber bar 25 is the circle shaft configurations that carbon fibre material is made, and length direction is consistent with Y direction；Carbon fiber bar 25 passes through rib
Plate 24, the carbon fiber sheet 26 is the rectangle tabular structure that carbon fibre material is made, and the carbon fiber sheet 26 is arranged on floor
24 upper and lower ends, are equipped with two rows up and down, and upper and lower ends relative carbon fiber rod 25 is symmetrical；The carbon fiber sheet 26 in front wing or
The tail end of empennage internal structure is equipped with carbon fiber sheet 26, makees for 29 supports of external carbon covering to front wing or empennage
With.
In further embodiment, the quantity of the carbon fiber bar 25 is 2-3, described as preferential embodiment
The quantity of carbon fiber bar 25 is 3；
In further embodiment, the quantity of the floor 24 is 5-10, is used as preferential embodiment, the floor
24 quantity is 7；
The interlayer structure that the floor 24 presss from both sides middle one layer of pvc foam by each two layers of the carbon fiber in both sides is constituted.Carbon fiber bar
25th, it is bonded between floor 24 and carbon fiber sheet 26 with DP460 glue.The last wrap carbon fiber covering group on the skeleton of shaping
Into monoblock fin.Nut is provided with inside the two ends of carbon fiber bar 25, it is fine by bolt and carbon between fin and empennage end plate 20
The nut for tieing up bar 25 is connected.Main wing and wing flap all use floor covering type structure Combined machining so that front wing and empennage it is whole
Structure is unusually strong and slim and graceful, and the weight of front wing and empennage is added up less than five kilograms.
In the utility model on the basis of direction is exercised in racing car, racing car head is front, is defined as X-axis positive direction；Racing car
Top is Z axis positive direction, and driver's cabin left part is Y-axis positive direction.
With reference to Figure 13, by replica test, it is mounted with the FSAE racing cars of this aerodynamics external member in high speed avoidance
Achievement has significantly improved in mesh.The FSAE racing cars of this aerodynamics external member individual pen achievement in high speed avoidance project is installed
It can improve 0.5-1 seconds, with reference to NUT equation motorcycle races team of Institutes Of Technology Of Nanjing in Chinese college students formula car contest in 2016
The achievement of high speed avoidance, if without using this aerodynamics external member, the ranking of high speed avoidance will step back five to six.
With reference to Figure 14, Figure 15, the inner side swirl channel 9 and outside swirl channel 3 of front wing form low pressure in front wing bottom, say
Bright swirl channel effect is obvious.The dark colour of the top of front wing main wing 5 illustrates which form obvious high pressure simultaneously, with front wing main wing
The depression formation of 5 lower sections is substantially contrasted, therefore front wing generates very big lower pressure.
With reference to Figure 16, the effect that vertical wing flap 7 and deflector 1 make air-flow get around front-wheel is can be seen that from front wing motion pattern
Substantially, air-flow gets around tire and flows to rear above tire with side respectively, reduces air-flow and hits the resistance that tire is produced.
With reference to Figure 17-19, it can be seen that from pressure cloud atlas and the cross-section pressure cloud atlas of empennage and form obvious above empennage
Higher-pressure region, produces very big lower pressure.As can be seen from Figure 19, the pressure release effect of the first fluting 15 of empennage is obvious, tail simultaneously
Obvious arch is presented in higher-pressure region above the wing, and weakens tip vortex.
With reference to Figure 20, diffuser generates obvious low pressure in the middle part of rebound 28 and two gas channels.
With reference to Figure 21, the tail end of diffuser escape pipe 22, air-flow forms vortex, reduces expansion toward up rolling up inside escape pipe
The possibility of device stall is dissipated, the lower pressure of diffuser generation is increased.
With reference to Figure 22, as can be seen that the preceding wing structure for not installing vortex generator 10 has flow shedding in motion pattern
Situation.
With reference to Figure 23, as can be seen that being mounted with that the preceding wing structure of vortex generator 10 greatly reduces gas in motion pattern
The situation that stream departs from occurs.
Claims (9)
1. one kind improves the aerodynamic device of FSAE racing cars, including front wing, empennage and diffuser；It is characterized in that：It is described
Front wing includes main wing (5), wing flap (6), vertical wing flap (7), front wing end plate；The front wing end plate includes outside end plate (4) and interior
Side end panel (2)；There is deflector (1) outside end plate (4) rear end；Lower end is vortexed provided with outside on the outside of the outside end plate (4)
Passage (3), the outside swirl channel (3) is the arc structure arched upward upwards, the length and outboard end of outside swirl channel (3)
The length of plate (4) is consistent, and the axial direction of outside swirl channel (3) is consistent with X-direction；The main wing (5) and outside end plate (4) phase
Even two ends are equipped with inner side swirl channel (9), and the inner side swirl channel (9) is the arc structure arched upward upwards, the inner side
The length of swirl channel (9) is consistent with the length of main wing (5), and the axial direction of inner side swirl channel (9) is consistent with X-direction；It is described
Relief hole (8) is provided with the middle part of outside end plate (4)；The relief hole (8) is long slot bore, and relief hole (8) is on main wing (5)
End；Main wing (5) rear upper, which is provided with above wing flap (6), wing flap (6), is provided with vertical wing flap (7), the vertical wing flap (7)
For rectangular slab, one end of vertical wing flap (7) is connected with outside end plate (4), and the other end of vertical wing flap (7) is closely located to
Wing flap (6) medium position, the length direction of the vertical wing flap (7) is consistent with Y direction；Main wing (5) the afterbody lower end is set
There is vortex generator (10), the vortex generator (10) is zigzag structure；
The empennage includes main wing (11), the first wing flap (12), the second wing flap (13), empennage end plate (20)；The empennage end plate
(20) the first fluting (15) is set above front end, first fluting (15) is horizontal blind window structure；The empennage end plate
(20) rear upper end is provided with the second fluting (17), and second fluting (17) is hook type arc structure；The empennage end plate (20)
Middle part is provided with the 3rd fluting (14) and the 4th fluting (18), and the 3rd fluting (14) and the 4th fluting (18) are circular arc knot
Structure, bending curvature direction is towards in front of empennage end plate (20)；Empennage end plate (20) the rear portion lower end is provided with the 5th fluting (16), institute
State venetian blind type structure of the 5th fluting (16) for longitudinal direction；Empennage end plate (20) front lower ends are provided with otch (27), described
Otch (27) extends toward X-axis negative direction；
The diffuser includes air inlet pipe (23), escape pipe (22), the second gurney flap (21) and rebound (28)；The air inlet
The front end that (23) are located at diffuser is managed, escape pipe (22) is located at the tail end of diffuser, air inlet pipe (23) and escape pipe (22) formation
It is connected between gas channel, twice gas channel by rebound (28)；Formed between the twice gas channel of the diffuser
" O " type structure, the escape pipe (22) is using the big trapezoid cross section structure in the small rear end in front end.
2. improve the aerodynamic device of FSAE racing cars as claimed in claim 1, it is characterised in that：First fluting
(15) quantity is 4-6.
3. improve the aerodynamic device of FSAE racing cars as claimed in claim 1, it is characterised in that：5th fluting
(16) quantity is 4-6.
4. improve the aerodynamic device of FSAE racing cars as claimed in claim 1, it is characterised in that：Second wing flap
(13) afterbody upper end is provided with the first gurney flap (19).
5. improve the aerodynamic device of FSAE racing cars as claimed in claim 1, it is characterised in that：The escape pipe (22)
Afterbody upper end is provided with the second gurney flap (21).
6. improve the aerodynamic device of FSAE racing cars as claimed in claim 1, it is characterised in that：The front wing and empennage
Main wing, wing flap include floor (24), carbon fiber bar (25), carbon fiber sheet (26), carbon fiber skin (29)；The carbon fiber
Covering (29) is located at the outside of front wing or empennage total；The floor (24) is fish type structure, the same X-direction of length direction
Unanimously；The carbon fiber bar (25) is circle shaft configurations, and length direction is consistent with Y direction；Carbon fiber bar (25) passes through floor
(24), the carbon fiber sheet (26) is the rectangle tabular structure that carbon fibre material is made, and the carbon fiber sheet (26) is arranged on
The upper and lower ends of floor (24), are equipped with two rows up and down；Institute's carbon fiber sheet (26) is equal in the tail end of front wing or empennage internal structure
Provided with carbon fiber sheet (26).
7. improve the aerodynamic device of FSAE racing cars as claimed in claim 6, it is characterised in that：The carbon fiber bar
(25) quantity is 2-3.
8. improve the aerodynamic device of FSAE racing cars as claimed in claim 6, it is characterised in that：The floor (24)
Quantity is 5-10.
9. improve the aerodynamic device of FSAE racing cars as claimed in claim 6, it is characterised in that：The floor (24) by
The interlayer structure of one layer of pvc foam is constituted in the middle of each two layers of carbon fiber folder in both sides, and main wing and wing flap all use floor covering type knot
Structure is combined.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720050294.8U CN206446681U (en) | 2017-01-16 | 2017-01-16 | One kind improves the aerodynamic device of FSAE racing cars |
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|---|---|---|---|
| CN201720050294.8U CN206446681U (en) | 2017-01-16 | 2017-01-16 | One kind improves the aerodynamic device of FSAE racing cars |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019076225A1 (en) * | 2017-10-17 | 2019-04-25 | 蔚来汽车有限公司 | Power vehicle |
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| CN111409709B (en) * | 2018-12-14 | 2022-06-10 | 劳士领汽车集团 | Wheel spoiler with compact overload clutch |
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