CN106500957A - Ventilating model is tested in a kind of water - Google Patents
Ventilating model is tested in a kind of water Download PDFInfo
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- CN106500957A CN106500957A CN201610839600.6A CN201610839600A CN106500957A CN 106500957 A CN106500957 A CN 106500957A CN 201610839600 A CN201610839600 A CN 201610839600A CN 106500957 A CN106500957 A CN 106500957A
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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
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
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Abstract
The invention discloses testing ventilating model in a kind of water, the model is the similar scale model after sail body Scaling, for carrying out the water tunnel test of sail body, mainly include main part, support aerofoil profile and pipeline, wherein, aerofoil profile is supported to adopt hollow structure, can be with die body internal cavities as gas pressure stable space, shorten the length of vent line in model, take up space so as to reduce pipeline, and expand the space of internal voltage stabilizing, that is, model inner space utilization rate is improve, the demand of larger throughput can be met again；Outside two, the vent line of the present invention is divided into middle part deflates and introduces pipe and tail portion air discharge introduces pipe, point mouth ventilation before and after realization, can be with the excessively intensive problem of multichannel vent line in the test of effectively solving small-sized water tunnel.
Description
Technical field
The present invention relates to bench model design field, tests ventilating model in more particularly to a kind of water.
Background technology
The critical component such as all kinds of sail bodies in water, due to the complexity of its working environment and strong coupling, the equation of motion
The features such as complexity of non-linear and boundary condition, hydrodynamics, are difficult mathematically to obtain parsing with sport dynamics problem
Solution, it is also difficult to obtain accurate parameter using emulation mode, it is necessary to which the formation of important phenomenon is studied by test in all kinds of water
Mechanism simultaneously obtains characteristic parameter.But in engineering in practice, if directly the prototype machine using ROV with crucial layout does
Test, often due to physical dimension is excessive, or hardly possible the problems such as difficulty of processing, material cost, test period and test difficulty
To be smoothed out, therefore can be considered as the similar scale model after Scaling carries out test measurement work, replaces and actually grinds
Study carefully object.
Due to the universal yardstick of the active section of water tunnel test less, in order to prevent model from blocking the active section in water hole, therefore mould
Type yardstick is restricted, and arranges to bring larger difficulty to the inner space of modelling.
In recent years, substantial amounts of water tunnel test needs for pressure-air to be passed through model by pipeline, then from the surface of model
Puff prot by pressure-air spray into water in.The test model of ventilation is needed, vent line will be laid in inside, and it is steady to arrange pressure
Determine space, larger space is occupied inside model, often pass while will also install conventional force balance, pressure measurement inside model
Sensor and signal cable etc., cause model inner space more nervous.
Generally ventilated using tiny pipeline both at home and abroad, pipeline is passed through inside model, then penetration model from outside water hole, will
Air-flow is sent to pressure stability space, in the memory storage pipeline ventilation of pressure stability space, gas is sprayed mould by puff prot then
Type surface.As the space inside model limits, the less vent line of diameter can only be used, therefore cannot meet needs and flow greatly
Amount ventilation or the test demand of multichannel ventilation.
Content of the invention
It is an object of the invention to overcoming the deficiencies in the prior art, there is provided test ventilating model in a kind of water, the model profit
With mould impression body as pressure stability space, the length of vent line in model is shortened, sky is occupied so as to reduce pipeline
Between, and expand the space of internal voltage stabilizing, that is, model inner space utilization rate is improve, larger throughput can be met again
Demand.
The above-mentioned purpose of the present invention is realized by below scheme：
Ventilating model is tested in a kind of water, including main part, supports aerofoil profile and pipeline；Main part is by supporting aerofoil profile
It is fixed on outside water hole base plate；Pipeline includes that middle part deflation introduces pipe, tail portion air discharge and introduces pipe, holding wire introducing pipe and spike
Particle introduces pipe, wherein：
Main part include head, leading portion, tail support set, cavitation device, passage, back segment outer tube, six COMPONENT BALANCEs and
Nozzle；Wherein：Head is connected with leading portion；The other end of leading portion is connected with rear is supported；Cavitation device is sleeved on and supports the outer of rear
On wall, drainage is carried out to the gas in mold cavity；Blow vent is positioned at the through hole supported on the outer wall of outer end, for by drainage gas
Body is discharged；The rear end of rear is supported to be connected with six COMPONENT BALANCEs；Nozzle is arranged on the rear side of six COMPONENT BALANCEs by structural member；Afterwards
Section outer tube is hollow shell, is sleeved on the outside of six COMPONENT BALANCEs and nozzle, and the hollow shell is by structural member and six points
Form fixed support to connect between amount balance, interlayer is formed between the inwall of the outer wall and back segment outer tube of six COMPONENT BALANCEs empty
Between, and confined space is formed between six COMPONENT BALANCEs and nozzle, the confined space is used as second pressure stable space；
Internal cavities and leading portion and the connects with the internal cavities of tail support set of aerofoil profile is supported, the stable sky of first pressure is constituted
Between；
Middle part deflation introduces one end of pipe and stretches into the internal cavities for supporting aerofoil profile, introduces gases into the stable sky of first pressure
Between；Tail portion air discharge introduces pipe and holding wire introduces pipe and sequentially passes through support aerofoil profile, leading portion, the internal cavities of tail support set, and passes through
Later the mezzanine space between end outer tube and six COMPONENT BALANCEs, stretches into second pressure stable space；Trace particle introduces Guan Yi
The secondary internal cavities through supporting aerofoil profile and leading portion, extend in the cavity of head.
Ventilating model is tested in above-mentioned water, and main part also includes adapter sleeve, and the adapter sleeve is enclosed within leading portion and support
On the outer wall of rear, realize leading portion and support the connection of rear.
Ventilating model is tested in above-mentioned water, and main part also includes Taper Pipe after deflation, and after the deflation, Taper Pipe is sleeved on
Support on the outer wall of rear, after blow vent, water conservancy diversion is carried out to the gas that blow vent is discharged.
Ventilating model is tested in above-mentioned water, introduces pipe introducing first pressure for producing the gas of bubble from middle part deflation
Stable space, in the first pressure stable space memory storage steady pressure, afterwards the passage discharge by cavitation device after.
Ventilating model is tested in above-mentioned water, and the gas for afterbody jet flow is incorporated into the second pressure from tail portion air discharge introducing pipe
Power stable space, sprays from nozzle after carrying out pressure stability.
Ventilating model is tested in above-mentioned water, and service cable and holding wire introduce pipe from holding wire and introduce, inside model
Measurement device connection, be powered and signal output.
Ventilating model is tested in above-mentioned water, and the trace particle for FLOW VISUALIZATION is incorporated into by trace particle introducing pipe
In head, and flow in water from the front end of head.
Ventilating model is tested in above-mentioned water, also includes porous support, tail portion air discharge introduces pipe and holding wire introducing pipe is logical
Cross in the confined space that the porous support is fixed between six COMPONENT BALANCEs and nozzle；Wherein：The porous support is annulus
Shape supporting structure, the porous support are sleeved on the outer wall of six COMPONENT BALANCEs, outside the outer wall of six COMPONENT BALANCEs and rear end
Supportive connection is formed between the inwall of sleeve pipe, and the porous support is provided with through hole on along the circumferential direction, puts for afterbody
Gas introduces pipe and holding wire introduces pipe and passes through.
Ventilating model is tested in above-mentioned water, between porous support and rear end outer tube, is also provided with outer soft supporting layer,
The outer soft supporting layer adopts fibrous material.
Ventilating model is tested in above-mentioned water, between porous support and six COMPONENT BALANCEs, is also provided with interior soft supporting layer,
The interior soft supporting layer adopts fibrous material.
The present invention compared with prior art, with advantages below：
(1), the present invention shortens the length of vent line in model by the use of mould impression body as pressure stability space,
Take up space so as to reduce pipeline, and expand the space of internal voltage stabilizing, that is, improve model inner space utilization rate, and
The demand of larger throughput can be met；
(2), vent line of the invention is divided into middle part deflation introducing pipe and tail portion air discharge introduces pipe, divides mouth logical before and after realization
Gas, can be with the excessively intensive problem of multichannel vent line in the test of effectively solving small-sized water tunnel；
Description of the drawings
Fig. 1 is the longitudinal axis face sectional view for testing ventilating model in water of the present invention；
Fig. 2 is the cross section view for testing ventilating model in water of the present invention.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
It is the similar scale model after sail body Scaling to test ventilating model in the water of the present invention, for being navigated by water
The water tunnel test of body, mainly includes main part 1, supports aerofoil profile 2 and pipeline 3.
(1) main part
Longitudinal axis face sectional view as shown in Figure 1, tests the main part 1 of ventilating model by head in the water that the present invention is provided
101st, leading portion 102, adapter sleeve 103, tail support set 104, cavitation device 105, passage 106, deflate after Taper Pipe 107, back segment overcoat
Pipe 108, six COMPONENT BALANCEs 109, nozzle 110 are constituted.
Wherein, head 101 is connected with leading portion 102, and the other end of leading portion 102 is connected with rear 104 is supported by adapter sleeve 103
Connect, i.e., adapter sleeve 103 is enclosed within the outer wall of leading portion 102 and support rear 104, realizes this connection of two；Cavitation device 105 is set with
On the outer wall for supporting rear 104, drainage is carried out to the gas in mold cavity, these gases are made from positioned at cavitation device back segment
Blow vent 106 is discharged；After deflation, Taper Pipe 107 is sleeved on the outer wall for supporting rear 104, after blow vent 106, to ventilation
The gases that mouth 106 is discharged carry out water conservancy diversion；The rear end of rear 104 is supported to be connected with six COMPONENT BALANCEs 109；Nozzle 110 passes through structure
Rear side of the part installed in six COMPONENT BALANCEs 109；Back segment outer tube 108 is hollow shell, is sleeved on six COMPONENT BALANCEs 109 and nozzle
110 outside, the hollow shell pass through to form fixed support connection between structural member and six COMPONENT BALANCEs 109, so as at six points
Mezzanine space is formed between the outer wall and the inwall of back segment outer tube 108 of amount balance 109, and in six COMPONENT BALANCEs 109 and nozzle
Confined space is formed between 110.
In main part, trace particle in the internal cavity of head 101, can be introduced, it is possible to by the trace particle from
The front end of head 101 is incorporated in water；In addition, the internal cavities of the front end 102 of main part and support rear 104 can be used for
Place pipeline, and the pressure stability space as gas；Mezzanine space between rear end outer tube 108 and six COMPONENT BALANCEs 109
Can be used for placing pipeline；And the confined space between six COMPONENT BALANCEs 109 and nozzle 110 can be steady as the pressure of gas
Determine space.
(2) aerofoil profile is supported
As shown in figure 1, the main part 1 for testing ventilating model in water is fixed on outside water hole base plate 4 by supporting aerofoil profile 2
On.Wherein, the internal cavities of the support aerofoil profile 2 are connected with the internal cavity of main part 1, can be used for placing vent line,
And the pressure stability space as gas.
Wherein, the internal cavities of aerofoil profile 2, leading portion 102 and tail support set 104 are supported to constitute first pressure stable space；And
Confined space between six COMPONENT BALANCEs 109 and nozzle 110 constitutes second pressure stable space.
(3) pipeline
Test in the water of the present invention in ventilating model, pipeline 3 includes that middle part deflation introduces pipe 301, tail portion air discharge and introduces
Pipe 302, holding wire introduces pipe 303 and trace particle introduces pipe 304, and various pipelines can include many pipelines.
Middle part deflation introduces one end of pipe 301 and stretches into the internal cavities for supporting aerofoil profile 2, will draw for producing the gas of bubble
Enter to support the internal-internal cavity of aerofoil profile 2, the gas first pressure stable space memory storage steady pressure pass through cavitation afterwards
Device 105 is discharged from passage 106 after carrying out drainage.
Tail portion air discharge introduces pipe 302 and holding wire introduces pipe 303 and sequentially passes through support aerofoil profile 2, leading portion 102, tail support set
104 internal cavities, and the mezzanine space between rear end outer tube 108 and six COMPONENT BALANCEs 109, stretch into second pressure steady
Determine space.Wherein, tail portion air discharge introduces pipe 302 by the gas for afterbody jet flow between six COMPONENT BALANCEs 109 and nozzle 110
Confined space in carry out pressure stability, the gas is sprayed from nozzle 110 afterwards；And holding wire introduces pipe 303 and is used for introducing confession
Electrical cables and holding wire, are that the measurement device inside model is powered and signal output, and these measurement devices mainly include six
COMPONENT BALANCE 109 and internal sensor etc..
As shown in Fig. 2 two tail portion air discharges introduce pipe 302 and two holding wire introducing pipes 303 are solid by porous support 501
It is scheduled in the confined space between six COMPONENT BALANCEs 109 and nozzle 110, wherein the porous support 501 is annular supporting construction
Part, the porous support are sleeved on the outer wall of six COMPONENT BALANCEs 109, the outer wall and rear end outer tube 108 with six COMPONENT BALANCEs 109
Inwall form supportive connection, and the porous support is provided with through hole on along the circumferential direction, passes through for pipeline.In order to avoid
, in six COMPONENT BALANCEs 109, the present invention is in porous support 501 and rear end outer tube 108 for the pressure transmission that model is subject to by pipeline
Between be provided with outer soft supporting layer 502；In order to avoid pipeline is delivered to the stretching stress of itself in six COMPONENT BALANCEs 109, this
Invention is provided with interior soft supporting layer 503 between porous support 501 and six COMPONENT BALANCEs 109.Wherein, outer 502 He of soft supporting layer
Interior soft supporting layer 503 adopts multiply fibrous material, the such as wear-resisting fibers material such as nylon.
Trace particle introduces pipe 304 and sequentially passes through the internal cavities for supporting aerofoil profile 2 and leading portion 102, will be used for FLOW VISUALIZATION
Trace particle be passed in head 101, and flow in water from the front end of head 101.
The above, only one specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and appoints
What those familiar with the art the invention discloses technical scope in, the change or replacement that can readily occur in, all
Should be included within the scope of the present invention.
The content not being described in detail in description of the invention belongs to the known technology of professional and technical personnel in the field.
Claims (10)
1. ventilating model is tested in a kind of water, it is characterised in that：Including main part (1), support aerofoil profile (2) and pipeline (3)；Main
Body portion (1) is fixed on outside water hole base plate (4) by supporting aerofoil profile (2)；Pipeline (3) includes that middle part is deflated and introduces pipe
(301), tail portion air discharge introduces pipe (302), holding wire and introduces pipe (303) and trace particle introducing pipe (304), wherein：
Main part (1) include head (101), leading portion (102), tail support set (104), cavitation device (105), passage (106),
Back segment outer tube (108), six COMPONENT BALANCEs (109) and nozzle (110)；Wherein：Head (101) is connected with leading portion (102)；Leading portion
(102) the other end is connected with rear (104) is supported；Cavitation device (105) is sleeved on the outer wall for supporting rear (104), to mould
Gas in die cavity body carries out drainage；Blow vent (106) is positioned at the through hole supported on outer end (104) outer wall, for by drainage
Gas is discharged；The rear end of rear (104) is supported to be connected with six COMPONENT BALANCEs (109)；Nozzle (110) is arranged on six by structural member
The rear side of COMPONENT BALANCE (109)；Back segment outer tube (108) is hollow shell, is sleeved on six COMPONENT BALANCEs (109) and nozzle
(110) outside, the hollow shell pass through fixed support of formation between structural member and six COMPONENT BALANCEs (109) and are connected, six
Mezzanine space is formed between the inwall of the outer wall of COMPONENT BALANCE (109) and back segment outer tube (108), and in six COMPONENT BALANCEs
(109) confined space is formed and nozzle (110) between, the confined space is used as second pressure stable space；
Internal cavities and leading portion (102) and the connects with the internal cavities of tail support set (104) of aerofoil profile (2) is supported, first is constituted and is pressed
Power stable space；
Middle part deflation introduces one end of pipe (301) and stretches into the internal cavities for supporting aerofoil profile (2), introduces gases into first pressure steady
Determine space；Tail portion air discharge introduces pipe (302) and holding wire introduces pipe (303) and sequentially passes through support aerofoil profile (2), leading portion (102), tail
The internal cavities of support set (104), and the mezzanine space between rear end outer tube (108) and six COMPONENT BALANCEs (109), stretch
Enter second pressure stable space；Trace particle introduces pipe (304) and sequentially passes through the inside sky for supporting aerofoil profile (2) and leading portion (102)
Chamber, extend in the cavity of head (101).
2. ventilating model is tested in a kind of water according to claim 1, it is characterised in that：Main part (1) also includes connecting
Female connector (103), adapter sleeve (103) be enclosed within leading portion (102) and support rear (104) outer wall on, realize leading portion (102) with
Support the connection of rear (104).
3. ventilating model is tested in a kind of water according to claim 1, it is characterised in that：Main part (1) also includes putting
Taper Pipe (107) after gas, after the deflation, Taper Pipe (107) is sleeved on the outer wall for supporting rear (104), positioned at blow vent (106)
Afterwards, water conservancy diversion is carried out to the gas that blow vent (106) is discharged.
4. ventilating model is tested in a kind of water according to claim 1, it is characterised in that：For produce the gas of bubble from
Middle part is deflated and introduces pipe (301) introducing first pressure stable space, presses in the first pressure stable space memory storage and stably
Power, is discharged by the passage (106) after cavitation device (105) afterwards.
5. ventilating model is tested in a kind of water according to claim 1, it is characterised in that：For afterbody jet flow gas from
Tail portion air discharge introduces pipe (302) and is incorporated into second pressure stable space, sprays from nozzle (110) after carrying out pressure stability.
6. ventilating model is tested in a kind of water according to claim 1, it is characterised in that：Service cable and holding wire are from letter
Number line introduces pipe (303) and introduces, and is connected with the measurement device inside model, is powered and signal output.
7. ventilating model is tested in a kind of water according to claim 1, it is characterised in that：Spike grain for FLOW VISUALIZATION
Son introduces pipe (304) by trace particle and is incorporated in head (101), and flows in water from the front end of head (101).
8. ventilating model is tested in a kind of water according to claim 1, it is characterised in that：Also include porous support (501),
Tail portion air discharge introduces pipe (302) and holding wire introduces pipe (303) and is fixed on six COMPONENT BALANCEs by the porous support (501)
(109) in the confined space and between nozzle (110)；Wherein：Described porous support (501) be annular supporting structure, institute
State porous support to be sleeved on the outer wall of six COMPONENT BALANCEs (109), the outer wall and rear end outer tube with six COMPONENT BALANCEs (109)
(108) supportive connection is formed between inwall, and the porous support is provided with through hole on along the circumferential direction, puts for afterbody
Gas introduces pipe (302) and holding wire introduces pipe (303) and passes through.
9. ventilating model is tested in a kind of water according to claim 1, it is characterised in that：Also porous support (501) with
It is provided between rear end outer tube (108) outer soft supporting layer (502), outer soft supporting layer (502) adopt fibrous material.
10. ventilating model is tested in a kind of water according to claim 1, it is characterised in that：Also porous support (501) with
It is provided between six COMPONENT BALANCEs (109) interior soft supporting layer (503), interior soft supporting layer (503) adopt fibrous material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610839600.6A CN106500957B (en) | 2016-09-21 | 2016-09-21 | Ventilating model is tested in a kind of water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610839600.6A CN106500957B (en) | 2016-09-21 | 2016-09-21 | Ventilating model is tested in a kind of water |
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| CN106500957A true CN106500957A (en) | 2017-03-15 |
| CN106500957B CN106500957B (en) | 2019-03-22 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107402114A (en) * | 2017-06-15 | 2017-11-28 | 中山大学 | A kind of multinest formula high velocity experiments water hole |
| CN109596313A (en) * | 2019-01-11 | 2019-04-09 | 哈尔滨工程大学 | A kind of active aeration type underwater sailing body experimental rig |
| CN110426175A (en) * | 2019-06-14 | 2019-11-08 | 北京空天技术研究所 | Ventilating model device for measuring force under free jet tunnel experimental condition |
| CN112362299A (en) * | 2020-11-02 | 2021-02-12 | 哈尔滨工程大学 | Passive exhaust bubble fusion experimental device and method in decompression state |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107402114A (en) * | 2017-06-15 | 2017-11-28 | 中山大学 | A kind of multinest formula high velocity experiments water hole |
| CN107402114B (en) * | 2017-06-15 | 2019-04-02 | 中山大学 | A kind of multinest formula high velocity experiments water hole |
| CN109596313A (en) * | 2019-01-11 | 2019-04-09 | 哈尔滨工程大学 | A kind of active aeration type underwater sailing body experimental rig |
| CN109596313B (en) * | 2019-01-11 | 2024-05-10 | 哈尔滨工程大学 | Active ventilation type underwater vehicle test device |
| CN110426175A (en) * | 2019-06-14 | 2019-11-08 | 北京空天技术研究所 | Ventilating model device for measuring force under free jet tunnel experimental condition |
| CN112362299A (en) * | 2020-11-02 | 2021-02-12 | 哈尔滨工程大学 | Passive exhaust bubble fusion experimental device and method in decompression state |
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| Publication number | Publication date |
|---|---|
| CN106500957B (en) | 2019-03-22 |
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