CN109727512A - A kind of bubble hydrogen Reynolds experiment device - Google Patents
A kind of bubble hydrogen Reynolds experiment device Download PDFInfo
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- CN109727512A CN109727512A CN201910194176.8A CN201910194176A CN109727512A CN 109727512 A CN109727512 A CN 109727512A CN 201910194176 A CN201910194176 A CN 201910194176A CN 109727512 A CN109727512 A CN 109727512A
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- water tank
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- upstream water
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Abstract
The present invention provides a kind of bubble hydrogen Reynolds experiment device, including upstream water tank, bubble hydrogen generator, test segment pipe, downstream water tank, immersible pump;Upstream water tank is connect with hydrogen gas gun generator, and the experiment segment pipe is U-shaped and one end is connect with hydrogen gas gun generator, and the other end is connect with downstream water tank, and the immersible pump is placed in the water tank of downstream and is connect by pipeline with upstream water tank;The upstream water tank, downstream water tank, immersible pump and water inlet line form self-circulation system, the present invention is using bubble hydrogen as trace particle, water body flow state in display experimental channel, and water resource is not contaminated in experiment to recycle, experimental water can be saved, while not corroding laboratory apparatus.
Description
Technical field
The present invention relates to a kind of experimental provision more particularly to a kind of bubble hydrogen Reynolds experiment devices, belong to hydrodynamics reality
Test technical field.
Background technique
In hydrodynamics, reynolds experiment is the laminar flow of Study of Fluid movement and the important experiment of turbulent flow fluidised form.Traditional thunder
Promise laboratory apparatus mainly using red ink or other can the chemical reagent of automatic colour killing be used as tracer, water flow in display experimental channel
Fluidised form, but still have shortcoming, such as using red ink can pollute experiment pipeline section water, prevent water resource from recycling benefit
With;Using can colour killing chemical tracer, although water resource can recycle, the time, slightly long chemical reagent also will affect water
Matter and corrosion experiment instrument metal component are not easy to the wire outlet of instrument maintenance and use, especially export colored solutions
It is easy blocking, influences the colo(u)r streak observation for testing pipeline section.
Summary of the invention
A kind of bubble hydrogen Reynolds is provided the purpose of the invention is to overcome the shortcomings of existing reynolds experiment instrument
Experimental provision.
The object of the present invention is achieved like this:
A kind of bubble hydrogen Reynolds experiment device, including upstream water tank, bubble hydrogen generator, test segment pipe, downstream water tank,
Immersible pump;Upstream water tank is connect with hydrogen gas gun generator, and the experiment segment pipe is that U-shaped and one end and hydrogen gas gun generator connect
It connects, the other end is connect with downstream water tank, and the immersible pump is placed in the water tank of downstream and is connect by pipeline with upstream water tank;Institute
State upstream water tank, downstream water tank, immersible pump and water inlet line composition self-circulation system.
The invention also includes features some in this way:
1. the hydrogen gas gun generator includes tungsten needle, water transfer case, copper billet and adjustable power of direct current;The adjustable power of direct current
One end is connect with copper billet, and the other end is connect with tungsten needle, and the copper billet and tungsten needle are arranged in water transfer case;
2. the test segment pipe and hydrogen gas gun generator connecting pin are provided with fluidised form viewing area and viewing area backcloth, institute
Viewing area backcloth is stated to be arranged in behind fluidised form viewing area;The test segment pipe and downstream water tank connecting pin are provided with electromagnetism
Flowmeter and valve;
3. the upstream water tank is provided with overflow plate, upstream water tank is divided into left and right two parts by the overflow plate, it is described on
The left side of overflow plate is arranged in the water inlet of swimming case;
4. being provided with band aperture water board and thermometer in the upstream water tank;
5. the viewing area backcloth is grey.
Compared with prior art, the beneficial effects of the present invention are:
A kind of bubble hydrogen Reynolds experiment device of the present invention shows water body in experimental channel using bubble hydrogen as trace particle
Flow regime, water resource is not contaminated in experiment to recycle, and can save experimental water, while not corroding experiment instrument
Device.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of bubble hydrogen Reynolds experiment device of the present embodiment.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing.
The present invention provides a bubble hydrogen Reynolds experiment device, including upstream water tank, fluidised form viewing area, bubble hydrogen generator
(water transfer case, copper billet, tungsten needle, adjustable power of direct current), electromagnetic flowmeter, downstream water tank, immersible pump.
In above scheme immersible pump, upstream and downstream water tank and water transfer case and between the pipeline that connects constitute self-circulation system,
As observation experiment section, pipeline is placed vertically for fluidised form viewing area and viewing area backcloth, and convenient for experimental study, personnel are observed,
Study water flow in pipeline change of flow state.
Preferably, upstream water tank installs an electronic thermometer, reynolds experiment water temperature is measured, to calculate the movement of water
Viscosity.
Preferably, viewing area backcloth is set as grey, is placed in behind the pipeline of fluidised form viewing area, generates convenient for observation experiment
Bubble hydrogen shows water body flow phenomenon.
Preferably, bubble hydrogen generator is made of water transfer case, copper billet, tungsten needle, adjustable power of direct current, generates bubble hydrogen conduct
Trace particle, as water sports show flow-shape.
Preferably, pipe end exit installation electromagnetic flowmeter and valve, for controlling in-pipe flow flow velocity.
Preferably, hydrostatic flashboard with holes is set in the water tank of upstream and water body is divided into two parts, make to flow into experimental section waterflow stabilization.
The invention will be further described With reference to embodiment.Attached drawing is only schematic diagram, non-pictorial diagram, in order to
Implementation of the invention is better described, certain components have omission, zoom in or out in attached drawing, do not represent actual product processing
Size should not be understood as the limitation to this patent.
Embodiment one
A kind of schematic diagram of bubble hydrogen Reynolds experiment device of the present embodiment is as shown in Figure 1, include electronic thermometer 1, upstream
Water tank 2, fluidised form viewing area 3, viewing area backcloth 4, constitute the tungsten needle 5 of bubble hydrogen generator, water transfer case 6, copper billet 7, direct current can
Adjust power supply 8 and overflow plate 9, electromagnetic flowmeter 10, valve 11, downstream water tank 12, immersible pump 13.
Entire experimental provision light anticorrosive and is convenient for Germicidal efficacy, plate using 2mm transparent plexiglass plate as main material
Glass cement seal bond is used between material.
Viewing area backcloth 4 is set as grey, is placed in behind 2 pipeline of fluidised form viewing area, the hydrogen generated convenient for observation experiment
Bubble display water body flow phenomenon.
Electronic thermometer 1 is placed in upstream water tank 2, measurement experiment water temperature.
Water transfer case, copper billet, tungsten needle, adjustable power of direct current constitute bubble hydrogen generator, and bubble hydrogen is generated after energization and is used as and is shown
Track particle, as water sports show experimental section flow-shape.
Immersible pump 13 is placed in downstream water tank 11, and after power supply is connected in experiment, water circulation passes through pumping for water pump from downstream
Water tank flows into upstream water tank, sets hydrostatic flashboard with holes in the water tank of upstream, water body is divided into left and right two parts, makes to flow into experimental section water
Stream is stablized, and upstream water tank right half water body backs downward into downstream water tank through overflow plate 9;Upstream water tank left half water body is downwards through pipe
Road flows into the water transfer case of hydrogen generator, continues up inflow experiment segment pipe, finally flows back to downstream water tank.
Electromagnetic flowmeter and valve are installed in pipe end exit, for controlling in-pipe flow flow velocity.
The above embodiment of the present invention just to clearly illustrate examples made by the present invention, is implemented to the present invention
The restriction of mode.For the researcher of fields, corresponding change can be made according to actual needs on the basis of above description,
Here without being enumerated to all embodiments.All any modifications made within principle of the invention, improvement,
It should be comprising within the scope of protection of the claims of the present invention.
In summary: the present invention relates to hydrodynamic calculations technical field, a kind of bubble hydrogen Reynolds experiment device, the reality
Experiment device including electronic thermometer 1, upstream water tank 2, fluidised form viewing area 3, viewing area backcloth 4, constitutes bubble hydrogen generator
Tungsten needle 5, water transfer case 6, copper billet 7, adjustable power of direct current 8 and overflow plate 9, electromagnetic flowmeter 10, valve 11, downstream water tank 12,
Immersible pump 13, all components constitute self-loopa diversion system, and the bubble hydrogen generated by bubble hydrogen generator is as tracer grain
Son display experiment pipeline section water body flow state, make reynolds experiment reach not corrosion experimental device, do not pollute water quality, save water money
Source, laboratory apparatus be convenient for safeguarding and the effect of maintenance.
Claims (10)
1. a kind of bubble hydrogen Reynolds experiment device, characterized in that including upstream water tank, bubble hydrogen generator, test segment pipe, under
Swimming case, immersible pump;Upstream water tank is connect with hydrogen gas gun generator, and the experiment segment pipe is U-shaped and one end and hydrogen gas gun
Generator connection, the other end are connect with downstream water tank, and the immersible pump is placed in the water tank of downstream and by pipeline and upper water
Case connection;The upstream water tank, downstream water tank, immersible pump and water inlet line form self-circulation system.
2. bubble hydrogen Reynolds experiment device according to claim 1, characterized in that the hydrogen gas gun generator includes tungsten
Needle, water transfer case, copper billet and adjustable power of direct current;Described adjustable power of direct current one end is connect with copper billet, and the other end is connect with tungsten needle,
The copper billet and tungsten needle are arranged in water transfer case.
3. bubble Reynolds experiment device according to claim 1 or 2, characterized in that the test segment pipe and hydrogen gas gun
Generator connecting pin is provided with fluidised form viewing area and viewing area backcloth, and fluidised form viewing area is arranged in the viewing area backcloth
Below;The test segment pipe and downstream water tank connecting pin are provided with electromagnetic flowmeter and valve.
4. bubble Reynolds experiment device according to claim 1 or 2, characterized in that the upstream water tank is provided with overflow
Upstream water tank is divided into left and right two parts by plate, the overflow plate, and the left side of overflow plate is arranged in the water inlet of the upstream water tank.
5. bubble Reynolds experiment device according to claim 3, characterized in that the upstream water tank is provided with overflow plate,
Upstream water tank is divided into left and right two parts by the overflow plate, and the left side of overflow plate is arranged in the water inlet of the upstream water tank.
6. bubble Reynolds experiment device according to claim 1 or 2, characterized in that be provided with band in the upstream water tank
Aperture water board and thermometer.
7. bubble Reynolds experiment device according to claim 3, characterized in that be provided with band aperture in the upstream water tank
Water board and thermometer.
8. bubble Reynolds experiment device according to claim 4, characterized in that be provided with band aperture in the upstream water tank
Water board and thermometer.
9. bubble Reynolds experiment device according to claim 5, characterized in that be provided with band aperture in the upstream water tank
Water board and thermometer.
10. bubble Reynolds experiment device according to claim 3, characterized in that the viewing area backcloth is grey.
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CN201910194176.8A CN109727512A (en) | 2019-03-14 | 2019-03-14 | A kind of bubble hydrogen Reynolds experiment device |
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CN201910194176.8A CN109727512A (en) | 2019-03-14 | 2019-03-14 | A kind of bubble hydrogen Reynolds experiment device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110361159A (en) * | 2019-07-09 | 2019-10-22 | 浙江大学 | A kind of three-tank type recycles the device of PIV trace particle water |
CN110793752A (en) * | 2019-10-25 | 2020-02-14 | 山东大学 | Device and method for testing field underground water connectivity |
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CN102426092A (en) * | 2011-09-20 | 2012-04-25 | 哈尔滨工程大学 | Hydrogen bubble flow display technology-based boundary layer visual test device |
CN205827740U (en) * | 2016-04-21 | 2016-12-21 | 西安建筑科技大学 | A kind of viscosity pipe flow synthetic instruction experiment instrument |
CN209912286U (en) * | 2019-03-14 | 2020-01-07 | 哈尔滨工程大学 | Hydrogen bubble reynolds experimental apparatus |
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2019
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Patent Citations (4)
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CN2752879Y (en) * | 2004-07-02 | 2006-01-18 | 浙江大学 | Automatic decolouring self-circulating Reynolds experimental instrument |
CN102426092A (en) * | 2011-09-20 | 2012-04-25 | 哈尔滨工程大学 | Hydrogen bubble flow display technology-based boundary layer visual test device |
CN205827740U (en) * | 2016-04-21 | 2016-12-21 | 西安建筑科技大学 | A kind of viscosity pipe flow synthetic instruction experiment instrument |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110361159A (en) * | 2019-07-09 | 2019-10-22 | 浙江大学 | A kind of three-tank type recycles the device of PIV trace particle water |
CN110361159B (en) * | 2019-07-09 | 2020-10-13 | 浙江大学 | Three-water-tank type device for recycling PIV (particle image velocimetry) tracing particle water |
CN110793752A (en) * | 2019-10-25 | 2020-02-14 | 山东大学 | Device and method for testing field underground water connectivity |
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