CN204731178U - Omnibearing visual pool boiling experimental provision - Google Patents
Omnibearing visual pool boiling experimental provision Download PDFInfo
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- CN204731178U CN204731178U CN201420587789.0U CN201420587789U CN204731178U CN 204731178 U CN204731178 U CN 204731178U CN 201420587789 U CN201420587789 U CN 201420587789U CN 204731178 U CN204731178 U CN 204731178U
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Abstract
The utility model provides a kind of omnibearing visual pool boiling experimental provision, comprise observation container, heating component and condensation, heating component comprises fixed support and the ITO be arranged on fixed support heats glass, described observation container comprises vessel and observation window, vessel comprises four sides and container floor, container floor arranges ITO and heats glass mounting hole, heating component heats glass mounting hole by ITO and is arranged on bottom vessel, container floor is installed in heating component external stability, four sides of vessel arrange perforate, observation window is arranged on described position of opening, condensation is installed in the upper end of vessel inside, described condensation comprises condenser pipe and the joint of two for being connected exterior line.The utility model can simulate the pool boiling in commercial unit, and the Flow-induced vibration characteristic of convection cell working medium carries out visual research, and apparatus structure is simply compact, and visual inspection is convenient, and research condition range is wide.
Description
Technical field
The utility model relates to a kind of pool boiling experimental provision, particularly relates to a kind of omnibearing visual pool boiling experimental provision.
Background technology
In energy project industry, pool boiling phenomenon ubiquity.Pool boiling significantly can improve the heat-transfer capability of pool heating working medium, therefore contributes to improving energy use procedure to the cognition of pool boiling characteristic, and improve utilization ratio, domestic and international many scholars have made large quantifier elimination to this.The behavior of bubble is the key factor of pool boiling research, and traditional means of experiment can only macroscopically be studied, and can not study the microscopic behavior of bubble.In the research of pool boiling, the process of bubble disengagement hot face wall is very important, but traditional pool boiling adopts the method for METAL HEATING PROCESS, realizes and the boiling maintaining working medium.There is certain limitation in the experiment of this quasi-tradition, the growth course such as studying bubble needs to observe at the bubble back side, and the bubble back side has been blocked in METAL HEATING PROCESS face, can only observe from the top of heating wall heating process, directly can not observe bubble in the behavior with wall surface of contact, very big inconvenience is brought to experimental study.And in these experiments, then can only spot measurement by thermocouple measuring temperature, the transient temperature of the whole audience can not be obtained; The void fraction that void fraction also can only obtain local is measured by optical fiber probe.For these drawbacks, have researcher to apply new laboratory facilities in the recent period, as laser inductive fluorescence method thermometric, the method for laser diagnostics measures void fraction.These new experimental techniques all have employed visual technological thought, need to use visual experimental provision.But from the data published at present, these visualization devices can only realize the visual inspection in certain surface mostly, be difficult to realize omnibearing visual.As Xie Jian etc. " flooding micropore place bubble to be formed and kinetic characteristic characteristic " (Chinese Society of Engineering Thermophysics. academic meeting paper), just employ visual experimental provision, but due to blocking of hot face, the forming process of bubble can only be observed from the side, can not directly observe from bubble bottom surface.Shen Xuesong etc. " formation of large aperture high gas velocity single hole bubble " (Journal of Chemical Industry and Engineering. the 59th volume the 9th phase .2008 September), also use the method for visual inspection, but owing to can not realize observing bottom bubble, its observation effect is also receive certain limit value.And the position of hot face has a significant impact steam bubble generation, be necessary the production process studying different heating position bubble, therefore be necessary that designing a kind of omnibearing visual pool boiling experimental provision from all angles, especially can observe from bottom surface boiling phenomenon.
Summary of the invention
The purpose of this utility model is to provide a kind of simple and compact for structure, easy to process, omnibearing visual pool boiling experimental provision that can realize omnibearing visual
The purpose of this utility model is achieved in that and comprises observation container, heating component and condensation, described heating component comprises fixed support and the ITO be arranged on fixed support heats glass, described observation container comprises vessel and observation window, vessel comprises four sides and container floor, container floor arranges ITO and heats glass mounting hole, heating component heats glass mounting hole by ITO and is arranged on bottom vessel, container floor is installed in heating component external stability, four sides of vessel arrange perforate, observation window is arranged on described position of opening, condensation is installed in the upper end of vessel inside, described condensation comprises condenser pipe and the joint of two for being connected exterior line.
The utility model also comprises some architectural features like this:
1. on a side of described vessel, arrange the 2nd ITO heat glass mounting hole, the second heating component heats glass mounting hole by ITO and is arranged on vessel side.
2. container cover plate is set on vessel top, described container cover plate arranges observation window.
Compared with prior art, the beneficial effects of the utility model are: the utility model adopts ITO heating glass to heat, heating component is transparent, the deficiency that traditional pool boiling adopts metal heating method can only observe from the top of heating wall heating process can be overcome, the experimental provision that the utility model provides directly observes bubble in the behavior with wall surface of contact, is convenient to the research to bubbling behaviour, heating component of the present utility model is arranged on bottom and the side of observation container, the impact of different heating position on pool boiling can be studied, the position of hot face produces bubble and has a significant impact, the experimental provision that general prior art provides is all the research of the bubble carrying out vertical direction, as the bubbling behaviour to research level direction or other positions, experimental provision is needed to carry out being inverted or being sidelong, heating line also needs to rearrange, the utility model is provided with the second heating component in the side of observation container, the impact that different heating position produces bubble can be realized, and be provided with visual inspection window on each surface of experimental provision, the omnibearing observation of Experimental Flowing Object can be realized, be provided with container cover plate in the upper end of experimental provision, volatile working medium can be avoided to volatilize on the impact of experiment, and of the present utility model simple and compact for structure, be easy to processing, installation and removal.
Accompanying drawing explanation
Fig. 1 is outside drawing of the present utility model;
Fig. 2 is one-piece construction schematic diagram of the present utility model;
Fig. 3 is the structural representation of the utility model observation container;
Fig. 4 is the structural representation of the utility model heating component;
Fig. 5 is the structural representation of the utility model condensation.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
Case study on implementation one: composition graphs 1 to Fig. 5, the utility model comprises observation container 1, heating component 2 and condensation 3, described heating component 1 comprises fixed support 8 and the ITO be arranged on fixed support 8 heats glass 7, ITO heats the fluidized state that glass 7 could realize and maintain studied working medium, and ITO is heated glass 7 by fixed support 8 fixes, the inside includes wire, wire is connected with external circuit to be provided add thermoelectricity for ITO heats glass 7, heat glass 7 using ITO and farthest can carry out visual research to the boiling phenomenon of heating wall as heating element, realize the direct research of air bubble growth process, can observe at the bubble back side, described observation container 1 comprises vessel 4 and observation window 5, vessel 4 comprises four sides and container floor 6, container floor 6 arranges ITO and heats glass mounting hole 12, heating component 2 heats glass mounting hole 12 by ITO and is arranged on bottom vessel 4, container floor 6 is installed in heating component 2 external stability, four sides of vessel 4 arrange perforate, observation window 5 is arranged on described position of opening, also namely observation window of the present utility model has multiple, the omnibearing observation of Experimental Area can be realized, complete visual information can be obtained, condensation 3 is installed in the upper end of vessel 4 inside, condensation 3 can provide cooling for experimental provision, described condensation 3 comprises condenser pipe 9 and the joint of two for being connected exterior line 10, condenser pipe 9 is connected with external condensation agent loop by joint 10, for device inner fluid provides cooling, experimental provision is cooled, prevents superpressure.
Test the measurement components used and comprise thermopair and optical fiber probe, in order to measuring vessel internal temperature and void fraction.In an experiment, both can adopt classic method, and be measured temperature and the void fraction of fluid by thermopair, optical fiber probe, experimental provision is tentatively demarcated, also can adopt the method for laser diagnostics, carry out visualized experiment, measuring tempeature field and void fraction.
During experiment, each several part is carried out connection according to structure shown in accompanying drawing, first ITO being heated glass 7 is arranged on described fixed support 8, heating fixed support 8 integral installation of glass 7 in the bottom of observation container 1 by being provided with ITO again, container floor 6 being arranged on the outside of fixed support 8; Observation window 5 is arranged on all the other side surfaces of observation container 1, during experiment, water-filling in container 1 will be observed, and utilize heating component 2 to heat, can pool boiling be realized; Visual research can be carried out to the boiling behavior near heating component 2 by measurement components, high-speed camera etc.; The external recirculated water of condensation 3, cools experimental provision, prevents superpressure simultaneously.
Case study on implementation two: the omnibearing visual pool boiling experimental provision according to case study on implementation one, 2nd ITO heating glass mounting hole 13, second heating component is set in the side of described vessel 4 and is arranged on vessel 4 side by ITO heating glass mounting hole 13.Also namely the utility model is provided with heating component 2 respectively in the bottom surface of observation container 1 and side, the Different Effects that the difference of hot face position is produced bubble can be completed, also namely can study the production process of different heating position bubble, realize about the research of different heating position on the impact of pool boiling.
Case study on implementation three: the omnibearing visual pool boiling experimental provision according to case study on implementation one and case study on implementation two, portion arranges container cover plate 11 on the container body 4, and described container cover plate 11 arranges observation window 5.So not only can realize the research of the pool boiling to common liq, for the volatile heating working medium of part, if there is no container cover plate 5, carrying out working medium and can reduce gradually along with heating, experiment is impacted, after container cover plate 5 is set, then can avoid this impact.
Claims (3)
1. an omnibearing visual pool boiling experimental provision, comprise observation container, heating component and condensation, it is characterized in that: described heating component comprises fixed support and the ITO be arranged on fixed support heats glass, described observation container comprises vessel and observation window, vessel comprises four sides and container floor, container floor arranges ITO and heats glass mounting hole, heating component heats glass mounting hole by ITO and is arranged on bottom vessel, container floor is installed in heating component external stability, four sides of vessel arrange perforate, observation window is arranged on described position of opening, condensation is installed in the upper end of vessel inside, described condensation comprises condenser pipe and the joint of two for being connected exterior line.
2. a kind of omnibearing visual pool boiling experimental provision according to claim 1, it is characterized in that: on a side of described vessel, arrange the 2nd ITO heat glass mounting hole, the second heating component heats glass mounting hole by ITO and is arranged on vessel side.
3. a kind of omnibearing visual pool boiling experimental provision according to claim 1 and 2, is characterized in that: arrange container cover plate on vessel top, described container cover plate arranges observation window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420587789.0U CN204731178U (en) | 2014-10-11 | 2014-10-11 | Omnibearing visual pool boiling experimental provision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420587789.0U CN204731178U (en) | 2014-10-11 | 2014-10-11 | Omnibearing visual pool boiling experimental provision |
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| Publication Number | Publication Date |
|---|---|
| CN204731178U true CN204731178U (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420587789.0U Expired - Fee Related CN204731178U (en) | 2014-10-11 | 2014-10-11 | Omnibearing visual pool boiling experimental provision |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104280416A (en) * | 2014-10-11 | 2015-01-14 | 哈尔滨工程大学 | All-dimensional visual pool type boiling experiment device |
| CN106198608A (en) * | 2016-06-24 | 2016-12-07 | 安徽工业大学 | A kind of experimental technique visualizing poor boiling heat |
| 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 |
-
2014
- 2014-10-11 CN CN201420587789.0U patent/CN204731178U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104280416A (en) * | 2014-10-11 | 2015-01-14 | 哈尔滨工程大学 | All-dimensional visual pool type boiling experiment device |
| CN104280416B (en) * | 2014-10-11 | 2017-06-20 | 哈尔滨工程大学 | Omnibearing visual pool boiling experimental provision |
| CN106198608A (en) * | 2016-06-24 | 2016-12-07 | 安徽工业大学 | A kind of experimental technique visualizing poor boiling heat |
| CN106198608B (en) * | 2016-06-24 | 2018-11-13 | 安徽工业大学 | A kind of experimental method of visualization poor boiling heat |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 Termination date: 20191011 |