CN204831962U - Mobile visual experimental system of cluster passageway - Google Patents
Mobile visual experimental system of cluster passageway Download PDFInfo
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- CN204831962U CN204831962U CN201520469031.1U CN201520469031U CN204831962U CN 204831962 U CN204831962 U CN 204831962U CN 201520469031 U CN201520469031 U CN 201520469031U CN 204831962 U CN204831962 U CN 204831962U
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Abstract
The utility model provides a mobile visual experimental system of cluster passageway, including water loop, spike agent branch road, four parts of cluster passageway and data acquisition system. Capital equipment in the water loop includes circulation tank, centrifugal pump, flowmeter, thermometer and manometer, spike agent branch road mainly includes spike agent storage box, injector pump, adjusting valve, spike agent injection syringe needle, the cluster passageway mainly includes passageway body, visual cluster, grid spacer, air bleeding valve, the collection system part is main including computer, data acquisition board and camera. The utility model discloses single phase flow in can mock -up reactor cluster passageway to carry out visual research, the simple compactness of system, low price, visual observation convenience, research operating mode wide range to cluster passageway blending.
Description
Technical field
The utility model relates to a kind of experimental system, and particularly relate to a kind of cluster channel flow experimental system visualizing, the technical field related to comprises fluid mechanics, reactor thermal-hydraulics.
Background technology
In nuclear energy engineering industry, cluster passage is the basic runner form of reactor core.To the grasp of cluster channel flow characteristic, contribute to realizing core flow and better distribute, reduce the hot localised points temperature of reactor core, thus promote the security feature of reactor, therefore domestic and international many scholars have made large quantifier elimination to this.Traditional experiment research is pressure drop diagnostic method, namely by the pressure drop in Measurement channel, carrys out the drag characteristic in analysis channel, thus studies flow characteristics.But this method by the bulk parameter recorded, and then can only be deduced the liquid form in cluster, the micro flow characteristic in runner directly can not be obtained, such as fluidised form, whirlpool, velocity flow profile etc.But these micro-parameters have vital effect for the design of reactor core, in order to the research that becomes more meticulous to cluster flow characteristics, researchers have employed PIV technology or LDV technology is studied the flow field in rod bundle channel.As (HydraulicbenchmarkdataforPWRmixingvanegrid) such as Conner have employed PIV technology when studying the rod bundle channel of band grid spacer, the velocity distribution in runner is measured.Also use visual research method in this article, but together with fine trace particle is blended directly in recirculated water in test by author, the motion state of trace particle cannot be observed intuitively, need the reconstruct being realized velocity field by special algorithm.Experiment that SangYongHan etc. (Measurementsoftheflowcharacteristicsofthelateralflowinth e6 × 6rodbundleswithTandemArrangementVanes) have employed LDV technology just when studying band 6 × 6 cluster passage crossing current.Because this technology is poor near wall degree of accuracy, therefore author have employed the model that equal proportion is amplified in testing, instead of according to the experiment that physical size is carried out, experimental result is directly perceived not.No matter be PIV or LDV, be all by the velocity field distribution obtained in runner, flowing in runner is analyzed, and need through comparatively complex technology process, can not observe the mixed process in runner intuitively.And these two kinds of experimental techniques depend on expensive experimental facilities, research cost is high.Therefore being necessary to design a kind of experimental system visualizing for simulating cluster channel flow, realizing, cheapness, intuitively visual research convenient to flow characteristics in rod bundle channel.
Summary of the invention
The purpose of this utility model is to provide one simply compact, cheap, and visual inspection is convenient, the cluster channel flow experimental system visualizing that research condition range is wide.
The purpose of this utility model is achieved in that and comprises water loop, data acquisition system (DAS), cluster passage and tracer agent branch road, described water loop comprises successively with the cyclic water tank that pipeline connects, centrifugal pump, first valve, second valve and flowmeter, the pipeline of flowmeter end is also provided with thermometer and tensimeter, the 3rd valve is provided with on pipeline between first valve and the second valve and between cyclic water tank, in cyclic water tank, cycle fluid is housed, described data acquisition system (DAS) comprises computer, video camera and the data acquisition board be connected with computer, described cluster passage comprises channel body, be arranged on the flange of channel body two ends, the grid spacer being arranged on the visual cluster in channel body and being arranged on visual cluster, the upper of channel body is also provided with vent valve, described tracer agent branch road comprises the tracer agent water tank be connected successively, injection pump, 4th valve and tracer agent syringe needle, described thermometer, tensimeter is all connected with data acquisition board with flowmeter, the pipeline of flowmeter end is connected with the inlet end of channel body, the endpiece of channel body is connected with cyclic water tank by pipeline, described tracer agent syringe needle injects channel body and visually to restrain in the space formed.
The utility model also comprises some architectural features like this:
1. described in, the refractive index of the refractive index of the material of visual cluster and the material of cycle fluid is less than 5%, and the two ends metal bar of described visual cluster clogs, and is full of water in described visual cluster.
2. described in, the material of channel body is organic glass.
Compared with prior art, the beneficial effects of the utility model are: 1) the utility model have employed the method for visualizing of tracer agent, can the studying cluster channel flow characteristic of intuitive and convenient; (2) adopt the cluster material two ends metal material beyond the Great Wall with cycle fluid refractive index close, namely can distort by removal of images, can structural strength be increased again, ensure that cluster is directly spent; (3) adopt injection pump to inject tracer agent, can control accurately to inject flow, contribute to the research that becomes more meticulous; (4) structure is simple, cheap, easily processes.
Accompanying drawing explanation
Fig. 1 is system architecture schematic diagram of the present utility model;
Fig. 2 is cluster access diagram of the present utility model;
Fig. 3 is data acquisition system (DAS) schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
Composition graphs 1, the utility model comprises water loop, tracer agent branch road, cluster passage and data acquisition system (DAS) four parts.Major equipment in flow system comprises cyclic water tank 1, centrifugal pump 2, first valve 3, the 3rd valve 4, second valve 5, flowmeter 6, thermometer 7 and tensimeter 8, circulate in order to realize the single-phase of working medium, by regulating the first valve 3, the aperture of the 3rd valve 4, second valve 5 can regulating loop flow.Tracer agent branch road mainly comprises tracer agent water tank 9, injection pump 10, regulates the 4th valve 11, tracer agent syringe needle, in order to provide the tracer agent of suitable flow.Cluster passage mainly comprises channel body 13, visual cluster 14, grid spacer 15, vent valve 16, in order to the flowing in mock-up reactor cluster passage.Acquisition system part mainly comprises computer 17, data acquisition board 18 and video camera 19, in order to record experimental image and correlation parameter.During experiment by each several part according to structure shown in figure by each several part with connecting, got final product the installation of cost apparatus.During experiment, loop is full of water, utilizes vent valve 16 to be discharged by the air in loop; In loop, working medium circulates under the driving of centrifugal pump 2, carrys out regulating loop flow by regulating the aperture of three valves 3,4,5.Flow working medium enters cluster passage successively after flowmeter 6, thermometer 7, tensimeter 8.The tracer agent stored in tracer agent storage box 9 injects cluster passage via syringe needle under the driving of injection pump 10, is regulated inject flow by control valve 11.Utilize video camera 19 to take institute's observation position, and store shooting image with computer 19.
Composition graphs 2, in the utility model, visual cluster is made up of body 13, visual cluster 14 and grid spacer 15.The wall of experiment body 13 forms by organic glass is bonding, contributes to visual inspection; Body two ends are closed by ring flange, the convenient disassembly of body, are beneficial to the adjustment of cluster structure in body.Visual cluster 14 adopts the hollow pipe made with the material of cycle fluid refractive index close, can prevent the distortion of taking image; Pipe ends metal bar 20 clogs, to strengthen the intensity of cluster.Channel body adds man-hour, first processes runner body and visual cluster respectively according to the size of simulated cluster passage; Recycling grid spacer is fixing according to corresponding form arrangement by cluster; Then visual cluster is put into runner body from body two ends, then body two end flanges is installed, the processing of cluster passage can be completed.
Composition graphs 3, in the utility model, the data that flowmeter 6, thermometer 7, tensimeter 8 gather are recorded by data acquisition board 18, are stored to computer 17; Meanwhile, the image that video camera 19 is taken also carries out record by computer 17, so that further data analysis.
Cluster in cluster passage of the present utility model adopts the material with working medium refractive index close, difference not higher than 5%, can not draw when take through cluster because of working medium and cluster intensity and directly spend.Beam passage two ends adopt the mode of flangeseal, not only can effectively prevent from leaking, also help the dismounting of cluster passage, facilitate the adjustment of cluster structure in passage.Tracer agent is injected by injection pump, can accurately control the flow injecting tracer agent, to adapt to corresponding operating mode by by-pass valve control.
Claims (3)
1. cluster channel flow experimental system visualizing, it is characterized in that: comprise water loop, data acquisition system (DAS), cluster passage and tracer agent branch road, described water loop comprises successively with the cyclic water tank that pipeline connects, centrifugal pump, first valve, second valve and flowmeter, the pipeline of flowmeter end is also provided with thermometer and tensimeter, the 3rd valve is provided with on pipeline between first valve and the second valve and between cyclic water tank, in cyclic water tank, cycle fluid is housed, described data acquisition system (DAS) comprises computer, video camera and the data acquisition board be connected with computer, described cluster passage comprises channel body, be arranged on the flange of channel body two ends, the grid spacer being arranged on the visual cluster in channel body and being arranged on visual cluster, the upper of channel body is also provided with vent valve, described tracer agent branch road comprises the tracer agent water tank be connected successively, injection pump, 4th valve and tracer agent syringe needle, described thermometer, tensimeter is all connected with data acquisition board with flowmeter, the pipeline of flowmeter end is connected with the inlet end of channel body, the endpiece of channel body is connected with cyclic water tank by pipeline, described tracer agent syringe needle injects channel body and visually to restrain in the space formed.
2. a kind of cluster channel flow experimental system visualizing according to claim 1, it is characterized in that: the refractive index of material of described visual cluster and the refractive index of the material of cycle fluid are less than 5%, the two ends metal bar of described visual cluster clogs, and is full of water in described visual cluster.
3. a kind of cluster channel flow experimental system visualizing according to claim 1 and 2, is characterized in that: the material of described channel body is organic glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520469031.1U CN204831962U (en) | 2015-07-02 | 2015-07-02 | Mobile visual experimental system of cluster passageway |
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| CN201520469031.1U CN204831962U (en) | 2015-07-02 | 2015-07-02 | Mobile visual experimental system of cluster passageway |
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| CN204831962U true CN204831962U (en) | 2015-12-02 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004507A (en) * | 2015-07-02 | 2015-10-28 | 哈尔滨工程大学 | Rod cluster channel flow visualization experiment system |
| CN105931684A (en) * | 2016-05-17 | 2016-09-07 | 西安交通大学 | Visual test device for foreign matter filtering performance study of reactor core lower pipe base of nuclear reactor |
| CN106653117A (en) * | 2017-02-08 | 2017-05-10 | 哈尔滨工程大学 | Visual experiment system for measuring temperature field of rod bundle channel |
| CN106683722A (en) * | 2017-02-22 | 2017-05-17 | 哈尔滨工程大学 | Rod bundle channel flow pressure measuring test device |
| CN107179263A (en) * | 2017-05-26 | 2017-09-19 | 南京大学 | Puddle influences on Contaminants Transport in a kind of simulation pipeline device and method of work |
| CN110459076A (en) * | 2019-08-02 | 2019-11-15 | 湘潭大学 | A kind of fluid boundary layer separation visual experimental apparatus with CFD analogue system |
| CN110828013A (en) * | 2019-11-19 | 2020-02-21 | 中国核动力研究设计院 | Rod bundle channel experiment device and method capable of realizing different mixing distances |
| CN111122114A (en) * | 2020-01-08 | 2020-05-08 | 河海大学 | Automatic tracer feeding device for field tracer experiment in subsurface flow zone and implementation method of automatic tracer feeding device |
-
2015
- 2015-07-02 CN CN201520469031.1U patent/CN204831962U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004507A (en) * | 2015-07-02 | 2015-10-28 | 哈尔滨工程大学 | Rod cluster channel flow visualization experiment system |
| CN105931684A (en) * | 2016-05-17 | 2016-09-07 | 西安交通大学 | Visual test device for foreign matter filtering performance study of reactor core lower pipe base of nuclear reactor |
| CN105931684B (en) * | 2016-05-17 | 2017-08-15 | 西安交通大学 | Nuclear reactor bottom nozzle foreign body filtering performance study visual test device |
| CN106653117A (en) * | 2017-02-08 | 2017-05-10 | 哈尔滨工程大学 | Visual experiment system for measuring temperature field of rod bundle channel |
| CN106683722A (en) * | 2017-02-22 | 2017-05-17 | 哈尔滨工程大学 | Rod bundle channel flow pressure measuring test device |
| CN107179263A (en) * | 2017-05-26 | 2017-09-19 | 南京大学 | Puddle influences on Contaminants Transport in a kind of simulation pipeline device and method of work |
| CN110459076A (en) * | 2019-08-02 | 2019-11-15 | 湘潭大学 | A kind of fluid boundary layer separation visual experimental apparatus with CFD analogue system |
| CN110828013A (en) * | 2019-11-19 | 2020-02-21 | 中国核动力研究设计院 | Rod bundle channel experiment device and method capable of realizing different mixing distances |
| CN110828013B (en) * | 2019-11-19 | 2021-11-02 | 中国核动力研究设计院 | Rod bundle channel experiment device and method capable of realizing different mixing distances |
| CN111122114A (en) * | 2020-01-08 | 2020-05-08 | 河海大学 | Automatic tracer feeding device for field tracer experiment in subsurface flow zone and implementation method of automatic tracer feeding device |
| CN111122114B (en) * | 2020-01-08 | 2022-02-11 | 河海大学 | Automatic tracer feeding device for field tracer experiment in subsurface flow zone and implementation method of automatic tracer feeding device |
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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: 20151202 Termination date: 20210702 |
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| CF01 | Termination of patent right due to non-payment of annual fee |