CN102589835A - Model experiment device for saline water doing horizontal jet movement under action of heat plume - Google Patents
Model experiment device for saline water doing horizontal jet movement under action of heat plume Download PDFInfo
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- CN102589835A CN102589835A CN2012100266294A CN201210026629A CN102589835A CN 102589835 A CN102589835 A CN 102589835A CN 2012100266294 A CN2012100266294 A CN 2012100266294A CN 201210026629 A CN201210026629 A CN 201210026629A CN 102589835 A CN102589835 A CN 102589835A
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Abstract
The invention discloses a model experiment device for saline water doing horizontal jet movement under action of heat plume. The model experiment device comprises a main water tank, a jet saline water system, a plume saline water system, a flow field testing system and a pipeline, wherein the jet saline water system comprises a jet saline water tank, a jet water supply pump, a jet constant-pressure water tank, a jet paint box, a jet floater flow meter, a jet water distributing tank and a jet injecting port; the plume saline water system comprises a plume saline water tank, a plume water supply pump, a plume constant-pressure water tank, a plume paint box, a plume floater flow meter, a plume water distributing tank and a plume injecting port; the jet constant-pressure water tank is communicated with the jet paint box by a water pipe; and the plume constant-pressure water tank is communicated with the plume paint box by a water pipe. The model experiment device can be used for basic application research on indoor airflow organization so as to overcome the defects of inaccurate calculation of a current air distribution jet formula, low credibility of CFD (Computational Fluid Dynamics) numerical simulation, high cost of air model experiment and difficult realization of visualization and the like.
Description
Technical field
The invention belongs to the experimental study technical field, relate to a kind of bath scaled model experimental device, relate in particular to a kind of horizonally projected jet campaign salt-bath scaled model experimental device of the plume effect of being heated.
Background technology
Along with the fast development of economic society, the raising of Building technology level and people's living standard, increasing large space is built into the residence space into people's work and life, for example music hall, movie theatre, stadium, factory building, transit centre etc.The air-conditioning air current composition design of large space building is technological difficulties always, particularly large space layering air conditioner surroundings.The layering air conditioning mode that present volumed space building generally adopts the spout horizontal side to send to realize both having guaranteed that the workspace reached air-conditioning requirement, reduces the purpose of energy consumption again.Owing to lack large space theoretical foundation or experiment and test condition; For non-isothermal air-supply air current composition, just apply mechanically semiempirical jet formula checking computations range simply in many actual engineerings, this method has been ignored a lot of other factors; Like the character of indoor thermal source and position etc.; Also just can't investigate the influence of hot plume buoyancy lift to jet path, so design result must have certain error, therefore large space air-conditioning air current composition accuracy of designs is worth discussion at present.
The main method of air-distribution has the calculating of jet formula, Model Calculation, CFD numerical simulation, 4 kinds of methods of model experiment in the prediction room.Wherein, by similarity theory, utilizing model experiment that indoor air distribution is predicted, need not rely on empirical theory, is comparatively reliable method.Air model experiment relatively, salt-bath scaled model experimental method lower cost, and reliability is stronger.The salt-bath scaled model experimental research method is a kind of air movement research method truly directly perceived, with low cost and that comparatively clean, belongs to the reduced scale simulated experiment.Can see the motion state of fluid in the experiment intuitively; Realize mobile visual research; Be easy to the Re number (or Gr number) that when scale-model experiment, reaches identical with prototype; Reason is that the kinematic viscosity coefficient of air is 15 times of water approximately, and has ignored the influence of viscosity in the air model experiment, and the Indoor Flow Field of saying the air model experiment in the strictness is that impossible realization is similar; In addition, the air model experiment is difficult to observe the motion state of fluid.
Summary of the invention
Technical matters to be solved by this invention is: the horizonally projected jet campaign salt-bath scaled model experimental device that a kind of plume effect of being heated is provided; Can be used for the applied research of indoor air flow organization foundation; Calculate not accurate enough to overcome present air current composition jet formula; The CFD numerical simulation is with a low credibility, and air model experimental cost is high, be difficult to realize drawbacks such as visual.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of horizonally projected jet campaign salt-bath scaled model experimental device of the plume effect of being heated, said device comprises: main water box, jet brine system, plume brine system, flow field test system, pipeline;
Said jet brine system comprises jet brine tank, jet make-up pump, jet constant pressure tank, jet paint box, jet suspended body flowmeter, jet diversion box and jet inlet; The jet brine tank links to each other with jet make-up pump, jet constant pressure tank, and the jet constant pressure tank links to each other with jet paint box, jet make-up pump, and jet constant pressure tank, jet paint box link to each other with the jet suspended body flowmeter, and the jet suspended body flowmeter links to each other with the jet diversion box;
Said plume brine system comprises plume brine tank, plume make-up pump, plume constant pressure tank, plume paint box, plume suspended body flowmeter, plume diversion box and plume inlet; The plume brine tank links to each other with plume make-up pump, plume constant pressure tank, and the plume constant pressure tank links to each other with plume paint box, plume make-up pump, and plume constant pressure tank, plume paint box link to each other with the plume suspended body flowmeter, and the plume suspended body flowmeter links to each other with the plume diversion box;
Said jet brine system links to each other with main water box through the jet ascending pipe, and the plume brine system links to each other with main water box through the plume ascending pipe, and flow field test system is positioned in the main water box through the opening on the main water box cover plate;
Said main water box is an open type, and the bottom is provided with drainpipe and has dirt eliminating function concurrently, and variable valve is set on the drainpipe, and controlling opening of valve in the experiment is to keep the main water box water balance;
Water pipe UNICOM between said jet constant pressure tank and the jet paint box, water pipe UNICOM between plume constant pressure tank and the plume paint box is to guarantee in experiment in the paint box that liquid level is consistent in the liquid level and corresponding constant pressure tank.
As a kind of preferred version of the present invention; Through adopting high-order jet constant pressure tank and plume constant pressure tank; The injection of simulating salt solution for jet and plume in the experiment provides stable pressure head, so that jet and plume simulation brine solution can inject main water box with stable flow velocity.
As a kind of preferred version of the present invention,, simulate the jet motion of different spout height through the jet salt solution inlet of differing heights is set at environment water tank sidewall; Through diverse location is provided with plume salt solution inlet in the Environmental Water box top, the plume motion of simulation different heat sources plane distribution, plume diversion box and plume salt solution inlet liftable, the plume motion of simulation different heat sources height profile; Through in jet and plume saline line, variable valve being set, simulation different jet initial velocity, the experiment of different heat sources intensity multi-state.
As a kind of preferred version of the present invention, double-deck fine and close honeycomb mesh is set in the environment water tank makes draining even, the air motion characteristics of simulation infinite space; Main water box honeycomb mesh inboard is provided with the baffle plate slot, can simulate the air motion characteristics of the finite space when inserting baffle plate.
As a kind of preferred version of the present invention, said device is provided with the flow-field test travel(l)ing rest, and the testing tool of measuring flow field information is fixed on it, so that it can accurately be located.
As a kind of preferred version of the present invention; Said device is provided with jet paint box and plume paint box; Through in jet, plume brine system pipeline, injecting different colours pigment, observe its diffusion motion and mutual motion conditions in the environment water tank, realize flow-field visualized.
Thinking of the present invention is: 1. according to similarity theory and model experiment know-why, utilize variable concentrations salt solution to simulate hot plume, environment and horizonally projected jet, study the interaction of hot plume and horizonally projected jet; 2. through adopting high-order level pressure salt water tank, the injection of simulating salt solution for plume and jet in the experiment provides stable pressure head, with the flow surging of avoiding water pump directly to supply water and bring; 3. through two row jet salt solution inlets are set at environment main water box sidewall differing heights, simulate the sub-thread and the multiple jets motion of different spout height; 4. through diverse location is provided with plume salt solution inlet (16) at environment main water box top; The sub-thread of simulation different heat sources plane distribution and the motion of multiply plume; Plume diversion box to plume salt solution inlet section liftable, the plume motion of simulation different heat sources height profile; 5. through variable valve (j, r) is set in jet and plume saline line, in the experiment scalable with different flows is set, with multi-states experiments such as simulation different jet initial velocity, different heat sources intensity; 6. double-deck fine and close entanglement is set in the environment water tank makes draining even, the air motion characteristics of simulation infinite space, environment water tank entanglement inboard is provided with the baffle plate slot, can simulate the air motion characteristics of the finite space when inserting the baffle plate with ad-hoc location opening; 7. the flow-field test travel(l)ing rest is set, the surveying instrument of measuring flow field information can accurately be located, locate inaccurate shortcoming to overcome tester's handheld test instrument; 8. through in jet, plume brine system pipeline, injecting different colours pigment, observe its diffusion motion and mutual motion conditions in the environment water tank, realize flow-field visualized.
The attainable object of experiment of salt-bath scaled model experimental platform among the present invention has:
A) jet of differing heights, jet initial velocity simulation;
B) the hot plume simulation of different heat sources height, power of heat source, heat source position;
C) sub-thread and multiple jets, plume and two-way interaction's simulation;
Principle of work of the present invention is: the hot plume that is formed by thermal source moves straight up greater than himself action of gravity because of the buoyancy lift that receives and spreads; Horizontal non-isothermal jet floats or sinks because of the buoyancy lift that receives is greater than or less than himself gravity; The motion of non-isothermal air-spray and plume is simulated in the buoyancy that utilizes the density difference between the salt solution of variable concentrations to produce, and the two has similarity; Comparatively speaking, the water yield of jet salt solution is much larger than the water yield of plume salt solution, with a small amount of high salt concentration water simulation plume, with more a large amount of low concentration salt solution simulation jets; The salt solution that utilizes higher concentration injects from the main water box top, utilizes the sinking campaign of high concentration salt solution to simulate the motion straight up of plume; Utilize the salt of low concentration to inject, utilize the motion of the motion simulation non-isothermal jet of salt solution in ambient saline solution of relative low concentration from the main water box side; According to the similarity theory principle, confirm that meeting geometric is similar, physical similarity, kinematic similitude, dynamic similarity, similar bath scaled model experimental device parameter and the experiment condition parameter of single-valued conditions, but accurate science simulation air draught movement characteristic; According to scaling analysis and similarity theory, confirm salt solution simulated experiment similarity criterion number: a) Re equate, b) Pr=Sc, c) the Ar number equates; According to the similarity criterion number, confirm the water tank size, take over size, test medium parameters such as model experiment platform parameter such as jet and plume relative position, measuring point layout and jet brine concentration, plume brine concentration, ambient saline concentration; Through the jet inlet and the operating mode of plume inlet with simulation different jet position, different heat sources distribution that diverse location distributes is set in experimental provision; Through regulating the brine flow in the pipeline, the operating mode of simulation different jet initial velocity, different heat sources thermal value; Stretch into the main water box degree of depth through regulating the plume inlet, the operating mode of simulation different heat sources height; Through in pipeline, injecting pigment, pigment shows jet and the movement characteristic of plume in main water box, realizes flow-field visualized; Confirm experimental program and experiment flow according to experiment condition, on experimental provision, debug, formally test after debugging finishes.
Beneficial effect of the present invention is: the horizonally projected jet campaign salt-bath scaled model experimental device of the plume effect of being heated that the present invention proposes; Accurate science, strong, easy to operate, the suitable various working of theoretical property, stable strong, flow-field visualized; Can be used for the applied research of indoor air flow organization foundation; Calculate not accurate enoughly to overcome present air current composition jet formula, the CFD numerical simulation is with a low credibility, and air model experimental cost is high, be difficult to realize drawbacks such as visual.
Description of drawings
Fig. 1 is the be heated horizonally projected jet campaign salt-bath scaled model experimental device structural representation of plume effect of the present invention.
Reference numeral is following:
The 1-main water box; The 2-honeycomb mesh; The 3-cover plate; 4-jet brine tank; 5-jet make-up pump; 6-jet constant pressure tank; 7-jet paint box; 8-jet suspended body flowmeter; 9-jet diversion box; 10-plume brine tank; 11-plume make-up pump; 12-plume constant pressure tank; 13-plume paint box; 14-plume suspended body flowmeter; 15-plume diversion box; 16-plume inlet; The 17-base; The 18-support.
Variable valve: a, c, j, r;
Stop valve: b, d, e, g, h, i, m, o, p, q;
Non-return valve: f, n;
Vent valve: k, s;
Ball valve: l, t.
Embodiment
Specify the preferred embodiments of the present invention below in conjunction with accompanying drawing.
Embodiment one
See also Fig. 1, the present invention has disclosed a kind of horizonally projected jet campaign salt-bath scaled model experimental device of the plume effect of being heated, and said device comprises: main water box 1, jet brine system, plume brine system, flow field test system, pipeline and annex.
Said jet brine system comprises jet brine tank 4, jet make-up pump 5, jet constant pressure tank 6, jet paint box 7, jet suspended body flowmeter 8, jet diversion box 9 and jet inlet; Jet brine tank 4 links to each other with jet make-up pump 5, jet constant pressure tank 6; Jet constant pressure tank 6 links to each other with jet paint box 7, jet make-up pump 5; Jet constant pressure tank 6, jet paint box 7 link to each other with jet suspended body flowmeter 8, and jet suspended body flowmeter 8 links to each other with jet diversion box 9.
Said plume brine system comprises plume brine tank 10, plume make-up pump 11, plume constant pressure tank 12, plume paint box 13, plume suspended body flowmeter 14, plume diversion box 15 and plume inlet 16; Plume brine tank 10 links to each other with plume make-up pump 11, plume constant pressure tank 12; Plume constant pressure tank 12 links to each other with plume paint box 13, plume make-up pump 11; Plume constant pressure tank 12, plume paint box 13 link to each other with plume suspended body flowmeter 14, and plume suspended body flowmeter 14 links to each other with plume diversion box 15.
Double-deck fine and close honeycomb mesh 2 is set in main water box 1, can makes main water box 1 evenly draining on every side, with the air motion characteristics of simulation infinite space; Arrangement grid 2 inboards are provided with the baffle plate slot, after insertion has the baffle plate of ad-hoc location opening, can simulate the air motion characteristics of restricted clearance; Main water box is an open tank, and 3 of top blind flange cover honeycomb mesh 2 and surround part, and there is free surface in honeycomb mesh 2 outsides; Cover plate 3 is detachable, and plume filling orifice and flow field gaging hole are set on the cover plate 3.Main water box 1 bottom is provided with the drainpipe have dirt eliminating function concurrently, and variable valve a, c and stop valve b, d are set on the pipeline, variable valve a is set on the drainpipe, the c purpose is to keep main water box 1 water balance; Main water box 1 sidewall is provided with run-down pipe, and the micro-unnecessary salt solution when making debugging overflows, to keep honeycomb mesh 2 outside free-water levels and cover plate 3 levels.Jet brine tank 4 places on the experimental provision base 17 in the jet brine system, through the jet water supply line jet brine tank 4, jet make-up pump 5, jet constant pressure tank 6 is linked to each other; Jet paint box 7 is connected in the jet saline line, and with jet constant pressure tank 6 UNICOMs, to guarantee in experiment, in the jet paint box 7 with in the jet constant pressure tank 6 identical pressure head being arranged; Jet saline line flow is controlled by variable valve j, and measures through jet suspended body flowmeter 8; Jet pipeline end is provided with jet diversion box 9, and jet diversion box 9 tops are provided with vent valve k, are used for the air of discharging jet diversion box 9 before experiment; Jet diversion box 9 sides connect the jet salt solution ascending pipe of two row's differing heights, all are provided with ball valve l on the every ascending pipe, confirm the keying of ball valve l according to the different experiments operating mode; Jet salt solution ascending pipe stretches into main water box 1 inner honeycomb mesh 2 inboards.Plume brine tank 10 places on the experimental provision base 17 in the plume brine system, through the plume water supply line plume brine tank 10, plume make-up pump 11, plume constant pressure tank 12 is linked to each other; Plume paint box 13 is connected in the plume saline line, and with plume constant pressure tank 12 UNICOMs, to guarantee in experiment, in the plume paint box 13 with in the plume constant pressure tank 12 identical pressure head being arranged; Plume saline line flow is controlled by variable valve r, and measures through plume suspended body flowmeter 14; Plume pipeline end is provided with plume and divides 1 water tank 15, and plume diversion box 9 tops are provided with vent valve s, is used for the air at the front-seat feathering flow point water tank 15 of experiment; Plume diversion box 15 bottoms connect and are the plume salt solution ascending pipe that " ten " font distributes, and all are provided with ball valve t on the every ascending pipe, confirm the keying of ball valve t according to the different experiments operating mode; Plume salt solution ascending pipe end is the plume salt solution inlet 16 through special processing, and salt solution inlet 16 stretches into main water box 1 inside; 16 sections liftables of plume diversion box 15 to plume salt solution inlet are with the operating mode of simulation different heat sources height.
Its experiment flow is: according to object of experiment, at first confirm experimental program; According to the boundary condition and the medium parameter of similarity theory computation model experiment, close other valves except that valve g, j, k, o, r, s before the experiment, plume diversion box 15 to plume salt solution inlet in the plume brine system is fixed on setting height for 16 sections; Prepare certain density ambient saline, jet salt solution and plume salt solution, be injected into main water box 1, jet brine tank 4 and plume brine tank 10 respectively; Preparation and the jet brine tank 4 interior identical jet pigment salt solution of concentration inject in the jet paint box 7, and the water surface is concordant with jet constant pressure tank 6 interior run-down pipe tops; Preparation and the plume brine tank 10 interior identical plume pigment salt solution of concentration inject in the plume paint box 13, and the water surface is concordant with plume constant pressure tank 12 interior run-down pipe tops; Open jet make-up pump 5, jet salt solution begins to inject the jet brine system, treat that air in the jet diversion box 9 are discharged fully after, close jet diversion box 9 top vent valve k, after a period of time, in the jet constant pressure tank 6 waters surface can keep keeping steady fixed; Open plume make-up pump 11, plume salt solution begins to inject the plume brine system, treat that air in the plume diversion box 15 are discharged fully after, close plume diversion box 15 top vent valve s, after a period of time, in the jet constant pressure tank 6 waters surface can keep keeping steady fixed; According to experiment condition, the ad-hoc location among Open valve group l and the t and the ball valve of given number are opened valve a, b, c, d on the main water box 1 bottom discharge pipe simultaneously; According to experiment condition, the aperture of control valve j makes the flow in the jet saline line reach setting value; According to experiment condition, the aperture of control valve r makes the flow in the plume saline line reach setting value; The aperture of control valve a, c, making in the run-down pipe of main water box 1 has the salt solution of denier to overflow; After system is stable, adjustment surveying instrument position, test flow field information; After test is accomplished, close jet make-up pump 5 and plume make-up pump 11, discharge residual brine in water tank and the pipe system, clean the visual plant instrument with clear water then.
For flow field visualization, Open valve h in experiment, pigment can inject in the jet saline line from jet paint box 7; Along with the injection of pigment, the liquid level in the jet paint box 7 can descend, and jet constant pressure tank 6 can produce the discrepancy in elevation with jet paint box 7 interior liquid levels; Pigment just can not continue in the filling line, so need Open valve i simultaneously, the interior liquid level of two water tanks is kept with consistent; Jet salt solution can constantly flow into jet paint box 7 from jet constant pressure tank 6 in the experiment; Pigment in the jet paint box 7 can be diluted, so need in jet paint box 7, to replenish pigment, to guarantee the pigment in the pipeline enough colourity arranged.For the plume brine system also is so, needs Open valve p and valve q simultaneously in the experiment, and in time in plume paint box 13, replenishes pigment.
After experiment was accomplished, data-switching and processing according to similarity theory is carried out obtained experiment conclusion at last.
In sum; The horizonally projected jet campaign salt-bath scaled model experimental device of the plume effect of being heated that the present invention proposes; Accurate science, strong, easy to operate, the suitable various working of theoretical property, stable strong, flow-field visualized can be used for the applied research of indoor air flow organization foundation, calculate not accurate enough to overcome present air current composition jet formula; The CFD numerical simulation is with a low credibility, and air model experimental cost is high, be difficult to realize drawbacks such as visual.
Here description of the invention and application is illustrative, is not to want with scope restriction of the present invention in the above-described embodiments.Here the distortion of the embodiment that is disclosed and change are possible, and the replacement of embodiment is known with the various parts of equivalence for those those of ordinary skill in the art.Those skilled in the art are noted that under the situation that does not break away from spirit of the present invention or essential characteristic, and the present invention can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.Under the situation that does not break away from the scope of the invention and spirit, can carry out other distortion and change here to the embodiment that is disclosed.
Claims (6)
1. the horizonally projected jet campaign salt-bath scaled model experimental device of the plume effect of being heated is characterized in that said device comprises: main water box, jet brine system, plume brine system, flow field test system, pipeline;
Said jet brine system comprises jet brine tank (4), jet make-up pump (5), jet constant pressure tank (6), jet paint box (7), jet suspended body flowmeter (8), jet diversion box (9) and jet inlet; Jet brine tank (4) links to each other with jet make-up pump (5), jet constant pressure tank (6); Jet constant pressure tank (6) links to each other with jet paint box (7), jet make-up pump (5); Jet constant pressure tank (6), jet paint box (7) link to each other with jet suspended body flowmeter (8), and jet suspended body flowmeter (8) links to each other with jet diversion box (9);
Said plume brine system comprises plume brine tank (10), plume make-up pump (11), plume constant pressure tank (12), plume paint box (13), plume suspended body flowmeter (14), plume diversion box (15) and plume inlet (16); Plume brine tank (10) links to each other with plume make-up pump (11), plume constant pressure tank (12); Plume constant pressure tank (12) links to each other with plume paint box (13), plume make-up pump (11); Plume constant pressure tank (12), plume paint box (13) link to each other with plume suspended body flowmeter (14), and plume suspended body flowmeter (14) links to each other with plume diversion box (15);
Said jet brine system links to each other with main water box through the jet ascending pipe, and the plume brine system links to each other with main water box through the plume ascending pipe, and flow field test system is positioned in the main water box through the opening on the main water box cover plate;
Said main water box is an open type, and the bottom is provided with drainpipe and has dirt eliminating function concurrently, and variable valve (a, c) is set on the drainpipe, and controlling opening of valve in the experiment is to keep the main water box water balance;
Water pipe UNICOM between said jet constant pressure tank (6) and the jet paint box (7); Water pipe UNICOM between plume constant pressure tank (12) and the plume paint box (13) is to guarantee that liquid level is consistent in middle liquid level of paint box in experiment (7,13) and the corresponding constant pressure tank (6,12).
2. the horizonally projected jet campaign salt-bath scaled model experimental device of the plume effect of being heated according to claim 1 is characterized in that:
Through adopting high-order jet constant pressure tank (6) and plume constant pressure tank (12), the injection of simulating salt solution for jet and plume in the experiment provides stable pressure head, so that jet and plume simulation brine solution can inject main water box (1) with stable flow velocity.
3. the horizonally projected jet campaign salt-bath scaled model experimental device of the plume effect of being heated according to claim 1 is characterized in that:
Through the jet salt solution inlet of differing heights is set at environment water tank sidewall, simulate the jet motion of different spout height; Through diverse location is provided with plume salt solution inlet (16) in the Environmental Water box top, the plume motion of simulation different heat sources plane distribution, plume diversion box (15) and plume salt solution inlet (16) liftable, the plume motion of simulation different heat sources height profile; Through variable valve (j, r) is set, simulation different jet initial velocity, the experiment of different heat sources intensity multi-state in jet and plume saline line.
4. the horizonally projected jet campaign salt-bath scaled model experimental device of the plume effect of being heated according to claim 1 is characterized in that:
Double-deck fine and close honeycomb mesh (2) is set in the environment water tank makes draining even, the air motion characteristics of simulation infinite space; Main water box honeycomb mesh (2) inboard is provided with the baffle plate slot, can simulate the air motion characteristics of the finite space when inserting baffle plate.
5. the horizonally projected jet campaign salt-bath scaled model experimental device of the plume effect of being heated according to claim 1 is characterized in that:
Said device is provided with the flow-field test travel(l)ing rest, and the testing tool of measuring flow field information is fixed on it, so that it can accurately be located.
6. the horizonally projected jet campaign salt-bath scaled model experimental device of the plume effect of being heated according to claim 1 is characterized in that:
Said device is provided with jet paint box (7) and plume paint box (13), through in jet, plume brine system pipeline, injecting different colours pigment, observes its diffusion motion and mutual motion conditions in the environment water tank, realizes flow-field visualized.
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| CN103439077A (en) * | 2013-09-10 | 2013-12-11 | 同济大学建筑设计研究院(集团)有限公司 | General release source device for building ventilation and smoke exhaust experiment |
| CN103440810B (en) * | 2013-09-10 | 2016-04-13 | 同济大学建筑设计研究院(集团)有限公司 | For saline experiment simulation system and the using method of building ventilation smoke evacuation experiment |
| CN103439077B (en) * | 2013-09-10 | 2016-06-29 | 同济大学建筑设计研究院(集团)有限公司 | A kind of general release source device for building ventilation smoke evacuation experiment |
| CN103900787A (en) * | 2014-04-22 | 2014-07-02 | 上海理工大学 | Saline model experimental device for simulating lower-feeding and middle-returning stratified air conditioner in large space building |
| CN103900787B (en) * | 2014-04-22 | 2016-04-27 | 上海理工大学 | The salt-bath scaled model experimental device of layering air-conditioning is returned in sending under simulation volumed space building |
| CN105973567A (en) * | 2016-06-20 | 2016-09-28 | 浙江大学 | Hydrothermal plume simulating device and hydrothermal plume simulating method |
| CN109612682A (en) * | 2018-12-24 | 2019-04-12 | 上海理工大学 | A kind of jet stream movement measuring device in scaled model based on PIV |
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|---|---|
| CN102589835B (en) | 2014-09-17 |
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