CN204807295U - A wind tunnel experiment device for different plate -fin heat exchanger plain fin - Google Patents
A wind tunnel experiment device for different plate -fin heat exchanger plain fin Download PDFInfo
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- CN204807295U CN204807295U CN201520389552.6U CN201520389552U CN204807295U CN 204807295 U CN204807295 U CN 204807295U CN 201520389552 U CN201520389552 U CN 201520389552U CN 204807295 U CN204807295 U CN 204807295U
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Abstract
The utility model relates to a wind tunnel experiment device for different plate -fin heat exchanger plain fin, air fairing sets up the right side at air inlet, the thermal couple temperature net sets up the left side of piezometer orifice, experimental test piece and this body coupling of experiment mechanism, and set up on the right side of piezometer orifice, the hot water import point for measuring temperature sets up in the upper end of testing mechanism's body, equal flow net board is installed on testing mechanism's body, and sets up in spray nozzle device's both sides, data acquisition system sets up at the lower extreme of testing mechanism's body, the fan sets up on the right side of testing mechanism's body, air outlet and fan fixed connection. This a wind tunnel experiment device for different plate -fin heat exchanger plain fin can more accurately control the experiment condition, the experiment is gone on indoor, receives the influence of climatic conditions and time little, and model and test instrument's installation, operation, utilization ratio are more convenient, test safelyr, efficient, with low costs moreover.
Description
Technical field
The utility model relates to technical field of heat exchangers, is specially a kind of wind tunnel experiment device for different plate-fin heat exchanger plain fin.
Background technology
The wind tunnel experiment of fluid mechanics aspect refers in wind-tunnel, settle aircraft or other object models, and learning gas flowing and the interaction with model thereof, to understand a kind of aerodynamic experiment method of the air dynamic behaviour of practical flight device or other objects; Be then have in the coffin of ventilating air at one in Chemical ecology of insect, observe live body insect to the experiment of the behavior reaction of odoring substance.
The augmentation of heat transfer effect of plain fin is not as offset strip fin and louvered fin, but plain fin has good heat transfer property and lower resistance performance, rate of simultaneously examining starts to propose strict requirement to off highway vehicle to automobile emission regulation, some off highway vehicles adopt charge inter cooling technology one after another, to adapt to the environmental requirement of increasingly stringent, such plain fin is widely used on the off highway vehicle such as farm machinery and engineering machinery.Current vehicle heat dissipation element finned length L great majority are less than 65mm, and L/D is less than 20, re-starts experimental study to plain fin within the scope of this, supplement existing plain fin experimental data base on the one hand, on the other hand for project planner provides new technical support.
Utility model content
The purpose of this utility model is to provide a kind of wind tunnel experiment device for different plate-fin heat exchanger plain fin, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme: a kind of wind tunnel experiment device for different plate-fin heat exchanger plain fin, comprise air intake, wind tunnel experiment mechanism and air out, described air intake is arranged on the left side of wind tunnel experiment mechanism, described wind tunnel experiment mechanism is by testing mechanism body, air fairing, thermocouple temperature measurement net, pressure tap, test test specimen, hot water inlet point for measuring temperature, water pump, heating water tank, hot water outlet point for measuring temperature, current-sharing web plate, spray nozzle device, data acquisition system (DAS) and blower fan composition, described air fairing is arranged in experiment mechanism body, and be arranged on the right side of air intake, described thermocouple temperature measurement net is arranged in experiment mechanism body, and be arranged on the left side of pressure tap, described test test specimen is connected with experiment mechanism body, and be arranged on the right side of pressure tap, described hot water inlet point for measuring temperature is arranged on the upper end of experiment mechanism body, described water pump is fixedly connected with heating water tank with hot water inlet point for measuring temperature respectively, described heating water tank is arranged on the upper end of experiment mechanism body, described hot water outlet point for measuring temperature is arranged on the lower end of experiment mechanism body, described current-sharing web plate is arranged in experiment mechanism body, and be arranged on the both sides of spray nozzle device, described data acquisition system (DAS) is arranged on the lower end of experiment mechanism body, described blower fan is arranged on the right side of experiment mechanism body, described air out is fixedly connected with blower fan.
Preferably, described spray nozzle device is made up of baroport before nozzle sets, panel, nozzle pressure reduction hole and nozzle, described nozzle sets is arranged on panel, and before described nozzle pressure reduction hole and nozzle, baroport is arranged on the lower end of experiment mechanism body, and is arranged on the both sides of panel.
Preferably, described blower fan is provided with frequency converter.
Preferably, the right half part of described experiment mechanism body is pyramidal structure.
Compared with prior art, the beneficial effects of the utility model are: this is used for the wind tunnel experiment device of different plate-fin heat exchanger plain fin, thermocouple temperature measurement net, hot water inlet point for measuring temperature and hot water outlet point for measuring temperature all adopt Pt100 platinum resistance to import and export on pipeline at heat interchanger test specimen and measure water temperature, and after demarcating, its precision is 0.1 DEG C.In process of the test, controlling water inlet temperature constant is 90C.The control of water temperature is realized by the stepless adjustable electric heater of 80kW; Air fairing adopts turbo flow meter to measure water volume flow rate, and the precision of turbo flow meter is 0.25; In whole process of the test, the collection of all the sensors measuring-signal has been come by ICP-CON data acquisition module, and measuring accuracy is high, accurate; This wind tunnel experiment device being used for different plate-fin heat exchanger plain fin can Control release condition more exactly, as the speed, pressure, temperature etc. of air-flow; Experiment is carried out in indoor, and the impact of climate condition and time is little, and the installation of model and testing tool, operation, use are more convenient; Experimental project and content varied, the degree of accuracy of experimental result is higher; Test safer, and efficiency is high, cost is low.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
In figure: 1 air intake, 2 wind tunnel experiment mechanisms, 3 experiment mechanism body, 4 air fairings, 5 thermocouple temperature measurement nets, 6 pressure taps, 7 test test specimen, 8 hot water inlet points for measuring temperature, 9 water pumps, 10 heating water tank, 11 hot water outlet points for measuring temperature, 12 current-sharing web plates, 13 spray nozzle devices, 14 data acquisition system (DAS)s, 15 blower fans, 16 air outs.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the utility model provides a kind of technical scheme: a kind of wind tunnel experiment device for different plate-fin heat exchanger plain fin, comprise air intake 1, wind tunnel experiment mechanism 2, air out 16, described air intake 1 is arranged on the left side of wind tunnel experiment mechanism 2, described wind tunnel experiment mechanism 2 is by experiment mechanism body 3, air fairing 4, thermocouple temperature measurement net 5, pressure tap 6, test test specimen 7, hot water inlet point for measuring temperature 8, water pump 9, heating water tank 10, hot water outlet point for measuring temperature 11, current-sharing web plate 12, spray nozzle device 13, data acquisition system (DAS) 14 and blower fan 15 form, described air fairing 4 is arranged in experiment mechanism body 3, and be arranged on the right side of air intake 1, described thermocouple temperature measurement net 5 is arranged in experiment mechanism body 3, and be arranged on the left side of pressure tap 6, described test test specimen 7 is connected with experiment mechanism body 1, and be arranged on the right side of pressure tap 6, described hot water inlet point for measuring temperature 8 is arranged on the upper end of experiment mechanism body 3, described water pump 9 is fixedly connected with heating water tank 10 with hot water inlet point for measuring temperature 8 respectively, described heating water tank 10 is arranged on the upper end of experiment mechanism body 3, described hot water outlet point for measuring temperature 11 is arranged on the lower end of experiment mechanism body 3, described current-sharing web plate 12 is arranged in experiment mechanism body 3, and be arranged on the both sides of spray nozzle device 13, the right half part of described experiment mechanism body 3 is pyramidal structure, described spray nozzle device 13 is by nozzle sets, panel, baroport composition before nozzle pressure reduction hole and nozzle, described nozzle sets is arranged on panel, before described nozzle pressure reduction hole and nozzle, baroport is arranged on the lower end of experiment mechanism body, and be arranged on the both sides of panel, described data acquisition system (DAS) 14 is arranged on the lower end of experiment mechanism body 3, described blower fan 15 is arranged on the right side of experiment mechanism body 3, described blower fan 15 is provided with frequency converter, described air out 16 is fixedly connected with blower fan 15.
Principle of work: thermocouple temperature measurement net, hot water inlet point for measuring temperature and hot water outlet point for measuring temperature all adopt Pt100 platinum resistance to import and export on pipeline at heat interchanger test specimen and measure water temperature, after demarcating, its precision is 0.1C, in process of the test, controlling water inlet temperature constant is 90C, the control of water temperature is realized by the stepless adjustable electric heater of 80kW, and the out temperature of cooling-air adopts thermocouple mesh to measure, and gets arithmetic mean, entrance arranges 8 thermopairs, outlet layout 16 thermopairs; Air fairing adopts turbo flow meter to measure water volume flow rate, the precision of turbo flow meter is that 0.25 cooling air delivery adopts Nozzle combination to measure, pressure reduction before and after nozzle adopts precision to be 0.25, the differential pressure transmitter of 9/5 is measured, and before gaging nozzle, the Pressure Sensor Precision of static air pressure is 0.4; In measuring process, keeping discharge constant is 2.21TI./ h, by regulating the adjustment of frequency conversion fan rotating speed realization to air quantity; The measurement of pressure reduction before and after test test specimen.Static opening is offered in air channel before and after test test specimen, and 8 baroports are respectively driven in front and back, and baroport connects into ring-type, and before and after test specimen, air pressure difference employing precision is the differential pressure transmitter measurement of 0.4; In whole process of the test, the collection of all the sensors measuring-signal has been come by ICP-CON data acquisition module, data acquisition module is connected with computing machine by RS-232, realize man-machine conversation, Test Data Collecting carries out after stable conditions, each stable conditions time is about 15min, and thermal equilibrium deviation is within 3%.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalents thereof.
Claims (4)
1. the wind tunnel experiment device for different plate-fin heat exchanger plain fin, comprise air intake (1), wind tunnel experiment mechanism (2) and air out (16), it is characterized in that: described air intake (1) is arranged on the left side of wind tunnel experiment mechanism (2), described wind tunnel experiment mechanism (2) is by experiment mechanism body (3), air fairing (4), thermocouple temperature measurement net (5), pressure tap (6), test test specimen (7), hot water inlet point for measuring temperature (8), water pump (9), heating water tank (10), hot water outlet point for measuring temperature (11), current-sharing web plate (12), spray nozzle device (13), data acquisition system (DAS) (14) and blower fan (15) composition, described air fairing (4) is arranged in experiment mechanism body (3), and be arranged on the right side of air intake (1), described thermocouple temperature measurement net (5) is arranged in experiment mechanism body (3), and be arranged on the left side of pressure tap (6), described test test specimen (7) is connected with experiment mechanism body (1), and be arranged on the right side of pressure tap (6), described hot water inlet point for measuring temperature (8) is arranged on the upper end of experiment mechanism body (3), described water pump (9) is fixedly connected with heating water tank (10) with hot water inlet point for measuring temperature (8) respectively, described heating water tank (10) is arranged on the upper end of experiment mechanism body (3), described hot water outlet point for measuring temperature (11) is arranged on the lower end of experiment mechanism body (3), described current-sharing web plate (12 peace) is contained in experiment mechanism body (3), and be arranged on the both sides of spray nozzle device (13), described data acquisition system (DAS) (14) is arranged on the lower end of experiment mechanism body (3), described blower fan (15) is arranged on the right side of experiment mechanism body (3), described air out (16) is fixedly connected with blower fan (15).
2. a kind of wind tunnel experiment device for different plate-fin heat exchanger plain fin according to claim 1, it is characterized in that: described spray nozzle device (13) is made up of baroport before nozzle sets, panel, nozzle pressure reduction hole and nozzle, described nozzle sets is arranged on panel, before described nozzle pressure reduction hole and nozzle, baroport is arranged on the lower end of experiment mechanism body, and is arranged on the both sides of panel.
3. a kind of wind tunnel experiment device for different plate-fin heat exchanger plain fin according to claim 1, is characterized in that: described blower fan (15) is provided with frequency converter.
4. a kind of wind tunnel experiment device for different plate-fin heat exchanger plain fin according to claim 1, is characterized in that: the right half part of described experiment mechanism body (3) is pyramidal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520389552.6U CN204807295U (en) | 2015-06-04 | 2015-06-04 | A wind tunnel experiment device for different plate -fin heat exchanger plain fin |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520389552.6U CN204807295U (en) | 2015-06-04 | 2015-06-04 | A wind tunnel experiment device for different plate -fin heat exchanger plain fin |
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| CN204807295U true CN204807295U (en) | 2015-11-25 |
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| CN201520389552.6U Expired - Fee Related CN204807295U (en) | 2015-06-04 | 2015-06-04 | A wind tunnel experiment device for different plate -fin heat exchanger plain fin |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106323582A (en) * | 2016-08-30 | 2017-01-11 | 上海交通大学 | Ultramicro-size aircraft wind tunnel experiment table device |
| CN106370388A (en) * | 2016-12-05 | 2017-02-01 | 山东厚丰汽车散热器有限公司 | Automobile heat dissipation performance test system and automobile heat dissipation performance test method |
| CN110411700A (en) * | 2019-08-28 | 2019-11-05 | 广州兰石技术开发有限公司 | A kind of heat exchanger wind tunnel testing system |
| CN111289214A (en) * | 2020-03-13 | 2020-06-16 | 浙江银轮机械股份有限公司 | Wind tunnel experimental device and temperature measuring method |
| TWI777461B (en) * | 2021-03-19 | 2022-09-11 | 英業達股份有限公司 | Apparatus for wind tunnel testing of board |
| CN115060455A (en) * | 2022-08-18 | 2022-09-16 | 杭州飞仕得科技有限公司 | Test section structure of radiator test wind tunnel |
-
2015
- 2015-06-04 CN CN201520389552.6U patent/CN204807295U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106323582A (en) * | 2016-08-30 | 2017-01-11 | 上海交通大学 | Ultramicro-size aircraft wind tunnel experiment table device |
| CN106370388A (en) * | 2016-12-05 | 2017-02-01 | 山东厚丰汽车散热器有限公司 | Automobile heat dissipation performance test system and automobile heat dissipation performance test method |
| CN106370388B (en) * | 2016-12-05 | 2019-11-12 | 山东厚丰汽车散热器有限公司 | Car radiation Performance Test System and method |
| CN110411700A (en) * | 2019-08-28 | 2019-11-05 | 广州兰石技术开发有限公司 | A kind of heat exchanger wind tunnel testing system |
| CN111289214A (en) * | 2020-03-13 | 2020-06-16 | 浙江银轮机械股份有限公司 | Wind tunnel experimental device and temperature measuring method |
| TWI777461B (en) * | 2021-03-19 | 2022-09-11 | 英業達股份有限公司 | Apparatus for wind tunnel testing of board |
| CN115060455A (en) * | 2022-08-18 | 2022-09-16 | 杭州飞仕得科技有限公司 | Test section structure of radiator test wind tunnel |
| CN115060455B (en) * | 2022-08-18 | 2022-10-28 | 杭州飞仕得科技有限公司 | Test section structure of radiator test wind tunnel |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20160604 |
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| CF01 | Termination of patent right due to non-payment of annual fee |