CN108387358A - A kind of wind tunnel experiment part and its wind tunnel system with interchangeability - Google Patents
A kind of wind tunnel experiment part and its wind tunnel system with interchangeability Download PDFInfo
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- CN108387358A CN108387358A CN201810426939.2A CN201810426939A CN108387358A CN 108387358 A CN108387358 A CN 108387358A CN 201810426939 A CN201810426939 A CN 201810426939A CN 108387358 A CN108387358 A CN 108387358A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/02—Wind tunnels
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Abstract
The invention discloses a kind of wind tunnel experiment parts and its wind tunnel system with interchangeability, its wind tunnel experiment part is made of target plate, shock plate and steel ring, the edge that the surrounding of target plate and steel ring protrudes from shock plate forms the I-shaped structure for being convenient for clamping, and disclosure satisfy that the requirement being mounted on the turbo blade component-level seriation experimental piece of different appearance and sizes and structure type on the same experimental section；Its wind tunnel system enables the experimental piece of plurality of specifications in the same wind-tunnel, the same experimental section over-assemble and exchange, and there is splendid air-tightness and damping property, the cost of Compound cooling component-level wind tunnel experiment is significantly reduced, while also improving experimental precision and conventional efficient.
Description
Technical field
The present invention relates to turbine blade cooling component-level wind tunnel technique fields, and in particular to a kind of with interchangeability
Wind tunnel experiment part and its wind tunnel system.
Background technology
In turbine blade cooling component-level wind tunnel experiment, it usually needs but physical size similar to many structures is different
Experimental piece carries out Compound cooling seriation test.Compound cooling experiment in the prior art usually requires a reverse-flow type hot air wind tunnel
Seriation experiment could be completed with direct- action wind tunnel system in combination, wherein reflux hot air wind tunnel is used for simulating high on the outside of turbo blade
The physical condition of warm combustion gas, and the direct- action wind tunnel that the wind tunnel experiment section side of reflux hot air wind tunnel is communicated to by pressurizer tank provides
Secondary Flow, for simulate blade interior cold air cool down blade physical condition.It is corresponding, existing turbo blade component-level system
Experimental piece in the cooling experiment of rowization, is mainly made of shock plate, backing plate and target plate three parts, the construction profile of every piece of plank is all
Being tablet does not have any turning, is mounted on one end of the close wind tunnel experiment section in pressurizer tank.
Since the structure and appearance and size of wind tunnel experiment section are fixed, different experimental piece in seriation experiment
It can not directly be tested in traditional wind tunnel experiment section, in turn, to complete the seriation experiment of experimental piece, it usually needs use
The experimental section of multiple and different specifications installs the experimental piece of corresponding specification, and not only manpower financial capacity's resource input is huge for this method,
And valuable experimental period is wasted, reduce conventional efficient, the heat transfer experiment especially required to experimental situation condition
For be even more in this way, experimental period is longer, external environment variation is bigger, and human error is also bigger in experimental result.
Thus, how wind tunnel experiment section is solved in the case where ensureing that air-tightness, damping property etc. test basic demand
The installation question of upper seriation experimental piece, be existing seriation experimental piece wind tunnel experiment in must face the problem of.
Invention content
Between the above situation, the present invention proposes a kind of wind tunnel experiment part and its wind tunnel system with interchangeability, wind-tunnel
The structure of experimental piece can disclosure satisfy that the turbo blade component-level seriation experimental piece by different appearance and sizes and structure type
Requirement on the same experimental section, and its wind tunnel system enables the experimental piece of plurality of specifications in the same wind-tunnel, same
One experimental section over-assemble and exchange, and there is splendid air-tightness and damping property, significantly reduce Compound cooling component-level wind
The cost of hole experiment, while also improving experimental precision and conventional efficient.
On the one hand, the present invention proposes a kind of wind tunnel experiment part with interchangeability, including：Ordered arrangement has multiple air film holes
Target plate, and the shock plate in target plate one side, correspond on the shock plate target plate each air film hole offer it is logical
The two sides of air holes, the shock plate is both provided with groove, and the ventilation hole is opened in the groove, and the target plate passes through spiral shell
Bolt is fixed in the one side of shock plate, and a steel ring, the inner ring surface position of the steel ring is arranged away from target plate one side in the shock plate
Except groove；The surrounding of the target plate and steel ring protrudes from the edge of the shock plate of corresponding side.
Further, multiple threaded securing bores are equipped on the shock plate on the outside of the groove, on the outside of the air film hole
Each threaded securing bores are corresponded on target plate and are provided with bolt connecting hole, and the bolt is screwed to corresponding spiral shell across bolt connecting hole
On line mounting hole.
Further, the bolt connecting hole is counter sink, corresponding, and the bolt is dormant bolt.
Further, on the cell wall of the groove of the setting steel ring side of the shock plate, be uniformly provided with vertically through to
The connecting hole of four sides of shock plate, the steel ring are connected to by the connecting hole on shock plate.
The structure for the shock plate of the above-mentioned wind tunnel experiment part with interchangeability structure, target plate and steel ring protruded from is set
Meter, forms a kind of mounting structure with interchangeability so that the experimental piece of different size is mounted on the same wind tunnel experiment section
On be possibly realized, the outermost of each component of wind tunnel experiment part need to only be resized to meet the experiment of wind tunnel experiment section by experimenter
It is required that can be tested after simple assembling, the cost of Compound cooling component-level wind tunnel experiment is significantly reduced, simultaneously
Also experimental precision and conventional efficient are improved.
On the other hand, the present invention proposes that a kind of wind tunnel system is also wrapped using the wind tunnel experiment part above-mentioned with interchangeability
It includes：Reverse-flow type hot air wind tunnel and be communicated to by pressurizer tank reverse-flow type hot air wind tunnel wind tunnel experiment section side direct- action wind tunnel,
The pressurizer tank is detachably connected with wind tunnel experiment section by exchanging connection structure, the wind tunnel experiment with interchangeability structure
Part is mounted in the exchange connection structure.
Further, the exchange connection structure includes：The reflux Wind tunnel being connected in wind tunnel experiment section side mouth
Direct current wind-tunnel flange that is blue and being connected to pressurizer tank end is equipped with multiple flange connecting holes on the direct current wind-tunnel flange,
The flange screw rod that corresponding each flange connecting hole outwardly protrudes is provided on the reflux wind-tunnel flange, the flange screw rod passes through
It is fixed by flange nut after flange connecting hole；The reflux wind-tunnel flange and direct current wind-tunnel flange towards wind tunnel experiment section
Clamping groove is recessed on face, two clamping grooves are connected to be formed and wind tunnel experiment part shape with the centre bore of reflux wind-tunnel flange
The I-shaped experimental piece holding chamber to match.
Further, it is provided with silica gel pad between reflux wind-tunnel flange and the contact surface of direct current wind-tunnel flange.
Further, the mating spring shim of the flange nut uses.
Further, the direct- action wind tunnel is converted connection structure by hard and soft with pressurizer tank and is connected；The hard and soft
Converting connection structure includes：The both ends of rubber casing and steel sleeve, the rubber casing are sealedly connected on direct- action wind tunnel respectively
In the opening of pressurizer tank, the steel sleeve includes along two axially spaced half-covering tubes of the center line of steel sleeve two described half
Casing is removably nested with by sleeve bolt except the rubber casing, and the length of steel sleeve is more than the length of rubber casing
Degree.
Further, the wind turbine of the direct- action wind tunnel and wind-tunnel pipeline split settings, and be arranged in the junction of the two
Rubber ring.
Above-mentioned wind tunnel system is that wind tunnel experiment part above-mentioned progress is mating, and opening exchange connection structure just can easily be more
Change the outfit the experimental piece prepared, and the clamping groove being arranged on two flanges of exchange connection structure, is vacated when them being enable to dock
Enough spaces are used for folding up experimental piece, easy to operate, and have good air-tightness and damping property, full to greatest extent
The interchangeability of foot experimental piece installation；Hard and soft, which converts connection structure, has the multi-functionals such as damping, explosion-proof, flexible, is opening
When its steel sleeve, based on the flexible connection of rubber casing, it can be detached with direct pull pressurizer tank with wind tunnel experiment section, be reserved
Enough spaces avoid to dismantle experimental piece and push entire direct- action wind tunnel system back and forth, are provided for multigroup seriation experiment
Great convenience；It fixes and exchanges after connection structure, installing steel sleeve can be by the company of direct- action wind tunnel and pressurizer tank
It connects and becomes to be rigidly connected, and then carry out wind tunnel experiment, significantly reduce the cost of Compound cooling component-level wind tunnel experiment, while
Improve experimental precision and conventional efficient.
Description of the drawings
Fig. 1 is the structural schematic diagram of wind tunnel experiment part of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of wind tunnel experiment part target plate of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of wind tunnel experiment part shock plate of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the wind tunnel system of the embodiment of the present invention；
Fig. 5 is the structural schematic diagram that wind tunnel system of the embodiment of the present invention exchanges connection structure；
Fig. 6 is the structural schematic diagram of reflux wind-tunnel flange of the embodiment of the present invention；
Fig. 7 is the structural schematic diagram of direct current wind-tunnel flange of the embodiment of the present invention；
Fig. 8 is the structural schematic diagram that wind tunnel system hard and soft of the embodiment of the present invention converts connection structure；
Reference numeral：
100- wind tunnel experiment parts；11- target plates；111- air film holes；112- bolt connecting holes；12- shock plates；121- divulges information
Hole；122- grooves；123- connecting holes；124- threaded securing bores；13- bolts；14- steel rings；
200- wind tunnel systems；21- reverse-flow type hot air wind tunnels；211- wind tunnel experiment sections；22- pressurizer tanks；23- direct- action wind tunnels；
231- wind turbines；232- wind-tunnel pipelines；233- rubber rings；24- exchanges connection structure；241- reflux wind-tunnel flanges；242- direct current wind
Hole flange；243- flange connecting holes；244- flange screw rods；245- clamping grooves；246- experimental piece holding chambers；247- silica gel pads；
25- hard and softs convert connection structure；251- rubber casings；252- steel sleeves；253- half-covering tubes；254- sleeve bolts；26- flows
Meter.
Specific implementation mode
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, with reference to
Specific implementation mode, the present invention is further explained.
As shown in Figure 1 to Figure 3, the wind tunnel experiment part 100 provided in this embodiment with interchangeability, including：Ordered arrangement
There are the target plate 11 of multiple air film holes 111, and the shock plate 12 in 11 one side of target plate, target plate 11 is corresponded on shock plate 12
Each air film hole 111 offer ventilation hole 121, the two sides of shock plate 12 is both provided with groove 122, and ventilation hole 121 opens up
In the range of groove 122；12 both sides of shock plate all with fluted 122 design, are eliminated from structure in traditional experiment
This component of the backing plate needed, meanwhile, effectively prevent the slit source caused by possibility due to wind pressure is too big of part end face interface
Wind phenomenon, section are similar to the structure of T fonts, so that the anti-bending strength of shock plate 12 is become more prominent, solve traditional punching
Air Leakage is bent caused by plate is hit because structure is single.
Referring to Fig. 1, target plate 11 is fixed to by bolt 13 in the one side of shock plate 12, and deviates from target plate in shock plate 12
11 one side one steel rings 14 of setting, the inner ring surface of the steel ring 14 are located at except groove 122；Meanwhile the surrounding of target plate 11 and steel ring 14
The edge of the shock plate 12 of corresponding side is protruded from, similar I-shaped section structure is formed, convenient for clamping.The present embodiment
In, it is equipped with multiple threaded securing bores 124 on the shock plate 12 in 122 outside of groove, is corresponded on the target plate 11 in 111 outside of air film hole
Each threaded securing bores 124 are provided with bolt connecting hole 112, and bolt 13 is screwed to corresponding screw thread across bolt connecting hole 112
On mounting hole 124, the direct fixation of target plate 11 and shock plate 12, the groove 122 of 14 side of setting steel ring of shock plate 12 are realized
Cell wall on, be uniformly provided with vertically through the connecting hole 123 to four sides of shock plate 12, which passes through connecting hole
123 are connected on shock plate 12, and the structure of wind tunnel experiment part 100 is made to have obtained further reinforcing.Meanwhile bolt connecting hole 112
Preferably counter sink, corresponding, it is preferable to use dormant bolts for bolt 13, keep the structure of wind tunnel experiment part 100 more smooth, dismounting
More convenient, the stability and air-tightness of connection are also more preferable.
The above-mentioned wind tunnel experiment part 100 with interchangeability structure, the shock plate of target plate 11 and steel ring 14 protruded from
12 structure design forms a kind of mounting structure with interchangeability so that the experimental piece of different size is mounted on same
It is possibly realized in wind tunnel experiment section 211, the outermost of 100 each component of wind tunnel experiment part only need to be resized to meet by experimenter
The requirement of experiment of wind tunnel experiment section 211 can be tested after simple assembling, significantly reduce Compound cooling component-level
The cost of wind tunnel experiment, while also improving experimental precision and conventional efficient.
According to the structure of above-mentioned wind tunnel experiment part 100, the present embodiment also proposes a kind of aforementioned wind tunnel experiment part 100 simultaneously
Institute's matching used wind tunnel system 200 when experiment, so that wind tunnel test can be carried out smoothly.As shown in Fig. 4 to 8, wind-tunnel system
System 200 includes：Reverse-flow type hot air wind tunnel 21 and 211 side of wind tunnel experiment section that reverse-flow type hot air wind tunnel 21 is communicated to by pressurizer tank 22
The direct- action wind tunnel 23 in portion, pressurizer tank 22 is detachably connected with wind tunnel experiment section 23 by exchanging connection structure 24, and wind-tunnel is real
It tests part 100 to be mounted in the exchange connection structure 24, flowmeter 26 is provided on direct- action wind tunnel 23.Specifically,
Referring to Fig. 5 to Fig. 6, exchanging connection structure 4 includes：The reflux wind-tunnel flange 241 being connected in 211 side mouth of wind tunnel experiment section
And it is connected to the direct current wind-tunnel flange 242 of 22 end of pressurizer tank, it is equipped with multiple flanged joints on the direct current wind-tunnel flange 242
Hole 243 is provided with the flange screw rod 244 of corresponding each flange connecting hole 243 outwardly protruded on reflux wind-tunnel flange 241；It returns
When flowing wind-tunnel flange 241 and the connection of direct current wind-tunnel flange 242, flange screw rod 244 passes through flange spiral shell after passing through flange connecting hole 243
Mother is fixed, and realization pressurizer tank 22 is detachably connected with wind tunnel experiment section 23.
To adapt to the interchangeability installation requirement of wind tunnel experiment part 100 above-mentioned, in reflux wind-tunnel flange 241 and direct current wind-tunnel
Clamping groove 245, two clamping grooves 245 and reflux wind-tunnel flange are recessed on the face towards wind tunnel experiment section 211 of flange 242
241 centre bore is connected to the I-shaped experimental piece holding chamber 246 to be formed and be matched with 100 shape of wind tunnel experiment part above-mentioned,
It is the interchangeability interface of general exchange to be realized with wind tunnel experiment part 100, and then reach easily replacement seriation wind tunnel experiment
The effect of part 100.Exchange the flanged joint design of 4 sandwich-type of connection structure so that the leakage rate of junction air reaches minimum,
Meanwhile by the connection by multiple flake structure parts, largely dissipates and come from shaking for the generation of direct- action wind tunnel 23
Dynamic, the stability of system operation is more.Flange nut can be used with mating spring shim, reflux wind-tunnel flange 241 and direct current wind
Between the contact surface of hole flange 242, certain thickness sealing material can also be set, such as 1.5mm silica gel pads 247, Ke Yibao
The air-tightness of connection is demonstrate,proved, while can also further function as the effect of damping.
When replacing wind tunnel experiment part 100, the experimental piece assembled can easily just be replaced by opening exchange connection structure 4, and
Exchange the clamping groove 245 that is arranged on two flanges (reflux wind-tunnel flange 241 and direct current wind-tunnel flange 242) of connection structure 4 with
And the experimental piece holding chamber 246 formed, enable to vacate enough spaces when two flange docking for folding up wind tunnel experiment part
100, it is easy to operate, and there is good air-tightness and damping property, the exchange of experimental piece installation is met to greatest extent
Property.
The coupling part of reverse-flow type hot air wind tunnel 21 and direct- action wind tunnel 23 will also ensure two other than having air-tightness requirement
It is independent of each other when a wind tunnel system running, that is, needs to avoid the problem that as possible to generate mutual vibration effect because of being connected with each other,
Lid not only influences the air-flow flowing of blade inside and outside because vibrating, and brings error to experiment, Oscillation Amplitude is excessive to be also possible to meeting by wind
Hole experimental section 211 tears rupture, causes heavy losses.Usually this vibration is all to be generated by direct- action wind tunnel 23 and be transmitted to back
The wind tunnel experiment section 211 of streaming wind-tunnel 21, although wind tunnel system above-mentioned 200 has been provided with the work(for reducing this vibration
Can, it is also possible to be optimized on vibration source and Vibration propagation path, to achieve the effect that further to reduce vibration.
Caused by being mainly the wind turbine 231 of direct- action wind tunnel 23 in view of vibration, by direct- action wind tunnel 23 in the present embodiment
Wind turbine 231 and wind-tunnel pipeline 232 be divided into two components to be assembled, and the junction of the two be arranged rubber ring 233, with
This weakens part vibration.Meanwhile direct- action wind tunnel 23 and pressurizer tank 22 are converted into connection structure 25 by hard and soft and connected, with
Realize the function of weakening amplitude on Vibration propagation path；Coordinate aforementioned spring shim and silica gel pad 247 to local vibration
Weaken effect, the vibration of direct- action wind tunnel 23 is efficiently solved by the structure of Multistage damping.
Referring to Fig. 8, the hard and soft in the present embodiment converts connection structure 25, including：Rubber casing 251 and steel sleeve 232,
The both ends of the rubber casing 251 are sealedly connected on respectively in the opening of direct- action wind tunnel 23 and pressurizer tank 22, keep the two flexible even
It connects；Steel sleeve 252 is made of two axially spaced half-covering tubes 253 of the center line along steel sleeve 252, and two half-covering tubes 253 are logical
It crosses sleeve bolt 254 to be removably nested with except rubber casing 251, and the length of steel sleeve 252 is more than rubber casing 251
Length is formed except rubber casing 251 when two half-covering tubes 253 being made to be connected by sleeve bolt 254 and is rigidly fixed, and then will be straight
Flexible connection between streaming wind-tunnel 23 and pressurizer tank 22 is converted into being rigidly connected, and realizes damping, explosion-proof, flexible etc. simultaneously
Multiple function.
Connection structure 25 is converted using above-mentioned hard and soft, when replacing wind tunnel experiment part 100, entire direct current need not be moved
23 system of formula wind-tunnel, it is only necessary to open the steel for exchanging the bolt connection of connection structure 24 and hard and soft being converted to connection structure 25
Casing 252 open, make to become to be flexibly connected between direct- action wind tunnel 23 and pressurizer tank 22, so that it may with directly by pressurizer tank 22 backward
It draws, to which pressurizer tank 22 and wind tunnel experiment section 211 to be detached from, reserves enough spaces and carry out disassembling, assembling and replacing wind tunnel experiment part 100；It is real
The person of testing only needs the part-structure before mobile pressurizer tank 22, can be achieved with the replacement of wind tunnel experiment part 100, multigroup seriation
Experiment provides a great convenience.After the completion of wind tunnel experiment part 100 is replaced, pressurizer tank 22 is made into exchange connection structure 4 to being pushed forward
Two flanges docking assembling fix, installing steel sleeve 252 later can be by the connection of direct- action wind tunnel 23 and pressurizer tank 22
Become to be rigidly connected, the replacement operation of entire wind tunnel experiment part 100 can be completed, and then carry out wind tunnel experiment, significantly reduced
The cost of Compound cooling component-level wind tunnel experiment, while also improving experimental precision and conventional efficient.
In conclusion using the wind tunnel experiment part and its wind tunnel system with interchangeability of above-mentioned technical proposal, wind-tunnel
The structure of experimental piece can disclosure satisfy that the turbo blade component-level seriation experimental piece by different appearance and sizes and structure type
Requirement on the same experimental section, and its wind tunnel system enables the experimental piece of plurality of specifications in the same wind-tunnel, same
One experimental section over-assemble and exchange, and there is splendid air-tightness and damping property, significantly reduce Compound cooling component-level wind
The cost of hole experiment, while also improving experimental precision and conventional efficient.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that come within the meaning and range of equivalency of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (10)
1. a kind of wind tunnel experiment part with interchangeability structure, including：Ordered arrangement has the target plate of multiple air film holes, and installation
Shock plate in target plate one side, each air film hole that target plate is corresponded on the shock plate offer ventilation hole, which is characterized in that
The two sides of the shock plate is both provided with groove, and the ventilation hole is opened in the groove, and the target plate passes through spiral shell
Bolt is fixed in the one side of shock plate, and a steel ring, the inner ring surface position of the steel ring is arranged away from target plate one side in the shock plate
Except groove；The surrounding of the target plate and steel ring protrudes from the edge of the shock plate of corresponding side.
2. the wind tunnel experiment part according to claim 1 with interchangeability structure, which is characterized in that
It is equipped with multiple threaded securing bores on shock plate on the outside of the groove, is corresponded on the target plate on the outside of the air film hole each
Threaded securing bores are provided with bolt connecting hole, and the bolt is screwed to across bolt connecting hole on corresponding threaded securing bores.
3. the wind tunnel experiment part according to claim 2 with interchangeability structure, which is characterized in that
The bolt connecting hole is counter sink, corresponding, and the bolt is dormant bolt.
4. the wind tunnel experiment part according to claim 1 with interchangeability structure, which is characterized in that
On the cell wall of the groove of the setting steel ring side of the shock plate, it is uniformly provided with vertically through to four sides of shock plate
The connecting hole in face, the steel ring are connected to by the connecting hole on shock plate.
5. a kind of wind tunnel system, which is characterized in that have the wind-tunnel of interchangeability structure using claim 1-4 any one of them
Experimental piece further includes：Reverse-flow type hot air wind tunnel and the wind tunnel experiment section side for being communicated to by pressurizer tank reverse-flow type hot air wind tunnel
Direct- action wind tunnel, the pressurizer tank are detachably connected with wind tunnel experiment section by exchanging connection structure, described to have interchangeability knot
The wind tunnel experiment part of structure is mounted in the exchange connection structure.
6. wind tunnel system according to claim 5, which is characterized in that
The exchange connection structure includes：It the reflux wind-tunnel flange that is connected in wind tunnel experiment section side mouth and is connected to steady
The direct current wind-tunnel flange of case end is pressed, multiple flange connecting holes, the reflux Wind tunnel are equipped on the direct current wind-tunnel flange
The flange screw rod that corresponding each flange connecting hole outwardly protrudes is provided on orchid, the flange screw rod leads to after passing through flange connecting hole
Flange nut is crossed to fix；It is recessed with card on the face towards wind tunnel experiment section of the reflux wind-tunnel flange and direct current wind-tunnel flange
Set slot, two clamping grooves be connected to the centre bore of reflux wind-tunnel flange to be formed match with wind tunnel experiment part shape it is I-shaped
Experimental piece holding chamber.
7. wind tunnel system according to claim 6, which is characterized in that
It is provided with silica gel pad between reflux wind-tunnel flange and the contact surface of direct current wind-tunnel flange.
8. wind tunnel system according to claim 6, which is characterized in that
The mating spring shim of flange nut uses.
9. according to claim 6-8 any one of them wind tunnel systems, which is characterized in that
The direct- action wind tunnel is converted connection structure by hard and soft with pressurizer tank and is connected；The hard and soft converts connection structure packet
It includes：The both ends of rubber casing and steel sleeve, the rubber casing are sealedly connected on the opening of direct- action wind tunnel and pressurizer tank respectively
On, the steel sleeve includes along two axially spaced half-covering tubes of the center line of steel sleeve, and two half-covering tubes pass through casing spiral shell
Bolt is removably nested with except the rubber casing, and the length of steel sleeve is more than the length of rubber casing.
10. wind tunnel system according to claim 8, which is characterized in that
The wind turbine and wind-tunnel pipeline split settings of the direct- action wind tunnel, and rubber ring is set in the junction of the two.
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Cited By (3)
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| CN109297670A (en) * | 2018-11-30 | 2019-02-01 | 济南万象轩智能科技有限公司 | A kind of pneumatic equipment bladess performance test laboratory experiment simulator |
| CN111879494A (en) * | 2020-08-10 | 2020-11-03 | 中国空气动力研究与发展中心超高速空气动力研究所 | Low-density wind tunnel flow field space measuring point position calibration method based on electron beam fluorescence |
| CN111963811A (en) * | 2020-08-31 | 2020-11-20 | 武汉一冶钢结构有限责任公司 | Device and method for plugging large-diameter flange hydraulic pressure test in wind tunnel contraction section |
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| 张晓东: "平板气膜冷却的实验研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑(月刊)》, no. 12, pages 039 - 20 * |
| 张翔: "大横流条件下具有柱肋和气膜出流的粗糙表面冲击冷却实验研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑(月刊)》, no. 7, pages 031 - 34 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109297670A (en) * | 2018-11-30 | 2019-02-01 | 济南万象轩智能科技有限公司 | A kind of pneumatic equipment bladess performance test laboratory experiment simulator |
| CN111879494A (en) * | 2020-08-10 | 2020-11-03 | 中国空气动力研究与发展中心超高速空气动力研究所 | Low-density wind tunnel flow field space measuring point position calibration method based on electron beam fluorescence |
| CN111879494B (en) * | 2020-08-10 | 2022-05-17 | 中国空气动力研究与发展中心超高速空气动力研究所 | Low-density wind tunnel flow field space measuring point position calibration method based on electron beam fluorescence |
| CN111963811A (en) * | 2020-08-31 | 2020-11-20 | 武汉一冶钢结构有限责任公司 | Device and method for plugging large-diameter flange hydraulic pressure test in wind tunnel contraction section |
| CN111963811B (en) * | 2020-08-31 | 2022-04-15 | 武汉一冶钢结构有限责任公司 | Device and method for plugging large-diameter flange hydraulic pressure test in wind tunnel contraction section |
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