CN206649792U - A kind of reynolds test instrument - Google Patents
A kind of reynolds test instrument Download PDFInfo
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- CN206649792U CN206649792U CN201720292211.6U CN201720292211U CN206649792U CN 206649792 U CN206649792 U CN 206649792U CN 201720292211 U CN201720292211 U CN 201720292211U CN 206649792 U CN206649792 U CN 206649792U
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- voltage stabilizing
- conduit
- overflow tank
- experimental bench
- tank
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Abstract
The utility model discloses a kind of reynolds test instrument, to overcome the problem of existing experimental provision water consumption is big, profile is easily moved the dumb pollution experiment conduit with colored liquid by burn into, it includes voltage stabilizing overflow tank, separatory funnel, experiment conduit, spinner flowmeter, lower section tank, water pump, experimental bench, flow control valve and thermometer.Voltage stabilizing overflow tank is located at experimental bench top, and thermometer is arranged in voltage stabilizing overflow tank, and lower section tank is arranged on the bottom of experimental bench, and water pump is arranged on the lower left corner of lower section tank；Separatory funnel is arranged in the bottom land round tube hole at voltage stabilizing overflow tank bracket groove bottom, and in the upper end tube nozzle of separatory funnel lower end discharging tube loading test conduit, experiment conduit lower end is connected with flow control valve upper end pipeline, flow control valve lower end is connected using first paragraph rubber tube with spinner flowmeter lower end, the upper end of spinner flowmeter is connected using second segment rubber tube with lower section tank, and water pump is connected using the 3rd section of rubber tube with voltage stabilizing overflow tank.
Description
Technical field
A kind of experimental facilities based in engineering fluid mechanics is the utility model is related to, more precisely, the utility model
It is related to a kind of reynolds test instrument for determining the Reynolds number of fluid under flow regime.
Background technology
Reynolds test instrument is a kind of instrument for being used for determining fluid Reynolds number.By《Engineering fluid mechanics》In on dimensionless
Knowable to the definition of number reynolds number Re,
D-conduit diameter, m；
ρ-fluid density, kg/m3；
V-fluid velocity, m/s；
μ-fluid kinematic viscosity, pa.s
Reynolds test instrument is exactly to calculate to obtain reynolds number Re using above formula.When the density of fluid, dynamic viscosity, the pipe flowed through
The timing of footpath one, flow velocity different Reynolds number is just different, and it is linear to change.The structure of reynolds test instrument is mainly by voltage stabilizing overflow water
Groove, experiment conduit two large divisions are formed, and its function is to measure flow velocity by adjusting flow, and then calculates reynolds number Re.
The confluent for the experiment needed for reynolds test instrument that present laboratory uses is not only big but also is disposable, finishes
Once experiment will change water, waste substantial amounts of water resource and manpower.Secondly, its profile of the device that present laboratory uses is by gold
What category was formed, laboratory corrosion-vulnerable is placed on throughout the year, and the big movement of device floor space itself is dumb, is not easy to safeguard
And use.Finally, the colored liquid of use easily pollutes experiment conduit.
The content of the invention
Technical problem to be solved in the utility model be overcome existing experimental provision water consumption is big, profile easily by
Burn into movement is dumb to pollute the problem of testing conduit with colored liquid, there is provided a kind of new reynolds test instrument.
In order to solve the above technical problems, the utility model adopts the following technical scheme that realization：
A kind of described reynolds test instrument include voltage stabilizing overflow tank, separatory funnel, experiment conduit, spinner flowmeter, under
Square tank, water pump, experimental bench, flow control valve, rubber tube and thermometer.
Described voltage stabilizing overflow tank is arranged on the top of experimental bench, and thermometer is arranged in voltage stabilizing overflow tank, liquid separation
Funnel is arranged in voltage stabilizing overflow tank using bracket, and lower section tank is arranged on the right side of experimental bench bottom wall, and water pump is arranged on down
The lower right-hand corner of square tank.
During the bottom land round tube hole of the lower end discharging tube insertion voltage stabilizing overflow tank of described separatory funnel exports and insert
The upper end of conduit is tested, the upper end pipeline for testing conduit lower end and flow control valve connects, and flow control valve lower end uses first
The lower end of section rubber tube and spinner flowmeter is connected, and the upper end of spinner flowmeter is connected using second segment rubber tube and lower section tank
Connect, the outlet for the water pump being disposed below in tank is connected using the 3rd section of rubber tube with voltage stabilizing overflow tank.
Experiment conduit described in technical scheme is transparent organic glass pipe, tests the diameter and voltage stabilizing overflow tank of conduit
Bottom land round tube hole be that the diameter exported is identical, test the upper end of conduit and justified using the bottom land of chloroform and voltage stabilizing overflow tank
Through hole is exit seal connection, and experiment conduit is vertical with the bottom land of voltage stabilizing overflow tank, experiment conduit and voltage stabilizing overflow tank
Bottom land round tube hole is the rotation conllinear exported.
The upper end pipeline of experiment conduit lower end and flow control valve described in technical scheme connects, flow control valve lower end
Referred to using the connection of the lower end of first paragraph rubber tube and spinner flowmeter：Described experiment conduit lower end is using in one section of one end band
Screw thread, a diameter of 40mm~50mm plastic tube are connected with flow control valve upper end, i.e. the connection of plastic tube and conduit is interference
Connection, the connection of plastic tube and flow control valve upper end are to be threadedly coupled, the both ends of first paragraph rubber tube and flow control valve
The connection of lower end and the lower end of spinner flowmeter connects for interference.
The internal diameter of experiment conduit described in technical scheme is 20mm~30mm；Separatory funnel is bulb shape separatory funnel, point
Liquid funnel uses model 125ml standard component, and the diameter of the lower end discharging tube of separatory funnel is less than the internal diameter of experiment conduit.
Experimental bench described in the technical scheme cuboid formula case made of thickness is 10mm~12mm polyethylene board
Body structural member；The rear and front end of described experimental bench is to open wide non-close, i.e., experimental bench is by roof, bottom wall, left wall, right wall group
Into；A roof round tube hole, the diameter of roof round tube hole and the external diameter phase for testing conduit are provided with the roof center of experimental bench
Together；The left and right ends of the bottom wall of experimental bench are provided with plate foot；It is identical with roof round tube hole diameter that a size is provided with bottom wall
Bottom wall round tube hole, and roof round tube hole is conllinear with the centre of gyration line of bottom wall round tube hole and same plumb line；Apart from bottom wall
A diameter of 40mm of an installation rubber tube No. 1 sebific duct through hole is provided with round tube hole center 100mm right side；In right wall
It is provided with a No. 2 sebific duct through holes on longitudinal axis and at 50~60mm of roof, No. 2 sebific duct through-hole diameters and rubber tube
External diameter is identical, is connected between the adjacent two vertical polyethylene wallboard of experimental bench using technique for sticking.
The left and right length of experimental bench bottom wall described in technical scheme is more than the left and right length of roof, and the length of roof is
500mm~600mm, the length of bottom wall are 900mm~1000mm, and the front and rear width of experimental bench is 500mm~600mm, experimental bench
Height be 700mm~800mm, bottom wall is 100mm~120mm apart from the height of ground or work top.
Bracket described in technical scheme includes a stainless reinforcing bar annulus and four stainless reinforcement bar supports of structure identical
Leg, the internal diameter of stainless reinforcing bar annulus are less than the diameter of the spherical part of separatory funnel, the stainless reinforcing bar supporting leg of four structure identicals
It is evenly distributed on the bottom surface of stainless reinforcing bar annulus, top and the stainless reinforcing bar of the stainless reinforcing bar supporting leg of four structure identicals are justified
The bottom surface of ring is connected using welding manner, the bottom of the stainless reinforcing bar supporting leg of four structure identicals and the groove of voltage stabilizing overflow tank
Bottom contact connects, and the angle between any two neighboring stainless reinforcing bar supporting leg is equal, the stainless reinforcing bar supporting leg of four structure identicals
It is equal with the angle of plane where stainless reinforcing bar annulus.
The beneficial effects of the utility model are compared with prior art：
1. a kind of reynolds test instrument described in the utility model adds power set water pump, can be provided for whole loop
Power and circulate, save substantial amounts of water resource, now once experiment only need a confluent.
2. a kind of reynolds test instrument described in the utility model makees experimental provision using polythene material instead of metal material
Profile, avoid the corrosion of exposed metal material outside for a long time, and the polyethylene of same volume compares metal material
Quality is much smaller, and movement is relatively flexible, and is easy to safeguard and is used.
3. a kind of reynolds test instrument described in the utility model employs after water a period of time by the colored liquid of colour fading
Tracer is made, common colored liquid is compared than before, will not pollute experiment conduit now, and fluid is in still in flow process
The state now clarified.
Brief description of the drawings
The utility model is further described below in conjunction with the accompanying drawings：
Fig. 1 is a kind of schematic diagram of reynolds test instrument structure composition described in the utility model；
Fig. 2-1 be a kind of reynolds test instrument described in the utility model used by voltage stabilizing overflow tank left view；
Fig. 2-2 be a kind of reynolds test instrument described in the utility model used by voltage stabilizing overflow tank front view；
Fig. 2-3 be a kind of reynolds test instrument described in the utility model used by voltage stabilizing overflow tank top view；
Fig. 3-1 be a kind of reynolds test instrument described in the utility model used by experimental bench left view；
Fig. 3-2 be a kind of reynolds test instrument described in the utility model used by experimental bench front view；
Fig. 3-3 be a kind of reynolds test instrument described in the utility model used by experimental bench top view；
Fig. 4-1 be a kind of reynolds test instrument described in the utility model used by bracket left view；
Fig. 4-2 be a kind of reynolds test instrument described in the utility model used by bracket front view；
Fig. 4-3 be a kind of reynolds test instrument described in the utility model used by bracket top view；
In figure：1. voltage stabilizing overflow tank, 2. separatory funnels, 3. experiment conduits, 4. spinner flowmeters, 5. lower section tanks, 6.
Water pump, 7. experimental benches, 8. flow control valves, 9. rubber tubes, 10. thermometers, 11. overflow plates, 12 brackets.
Embodiment
The utility model is explained in detail below in conjunction with the accompanying drawings：
A kind of reynolds test instrument described in the utility model include voltage stabilizing overflow tank 1, separatory funnel 2, experiment conduit 3,
Spinner flowmeter 4, lower section tank 5, water pump 6, experimental bench 7, flow control valve 8, rubber tube 9, the bracket of thermometer 10 and 12.
Refering to Fig. 2, described voltage stabilizing overflow tank 1 is that volume is the cube that the length of side is 300mm~500mm, and top is
Non-close structure is opened wide, is the container of a storage fluid, is made up with thickness of 6mm~8mm polyethylene board material, two is vertical
Polyethylene board between connected using technique for sticking and keep sealing, be internally provided with overflow plate 11, its thickness be 10mm~
12mm, it is therefore an objective to which liquid level does not change with the time when enabling flow across whole device, ensures as Steady Flow.Voltage stabilizing overflow
A diameter is provided with the center of the bottom land of tank 1 to export with the experiment external diameter identical bottom land round tube hole of conduit 3.
Separatory funnel 2 is bulb shape separatory funnel, and separatory funnel 2 using model 125ml standard component, place coloured by inside
Liquid, it is integrally placed in voltage stabilizing overflow tank 1.
The internal diameter for testing conduit 3 is 20~30mm, and material is transparent organic glass pipe, can be clearly observable the stream of fluid
Type.
Spinner flowmeter 4 uses 10~100L/H of model standard component, determines the flow of fluid.
Lower section tank 5 is the cube that the length of side is 300mm~500mm, and top is also to open wide non-close structure, is a storage
The container of fluid is deposited, is made up of 6mm~8mm polyethylene board material with thickness, is adopted between adjacent two vertical polyethylene wallboards
Connected with technique for sticking and keep sealing.
For water pump 6 using the immersible pump of model 40~100W power, its effect is that the water in lower section tank 5 is evacuated into voltage stabilizing
In overflow tank 1.
Refering to Fig. 3, the cuboid formula case member made of thickness is 10mm~12mm polyethylene board of experimental bench 7.
The rear and front end of described experimental bench 7 is to open wide non-close structure, and experimental bench 7 is by totally 4, upper and lower, left and right face
Tank wall is formed, i.e., experimental bench 7 is made up of roof, bottom wall, left wall, right wall.The left and right length of the bottom wall of experimental bench 7 is more than roof
The length of left and right length, i.e. roof is 500mm~600mm, and the length of bottom wall is 900mm~1000mm, the front and rear width of experimental bench 7
Spend for 500mm~600mm, the height of experimental bench 7 is 700mm~800mm.A top is provided with the roof center of experimental bench 7
Wall round tube hole, the diameter of roof round tube hole are identical with the external diameter for testing conduit 3；Bottom wall apart from ground (ground) be 100mm~
120mm, the i.e. left and right ends of the bottom wall of experimental bench 7 are provided with plate foot；A size and the roof on roof are provided with bottom wall
Round tube hole diameter identical bottom wall round tube hole, and the bottom land round tube hole on voltage stabilizing overflow tank 1, the roof on experimental bench 7 are justified
Through hole is conllinear with the centre of gyration line of the bottom wall round tube hole on experimental bench 7 and same plumb line；Apart from bottom wall round tube hole center
A diameter of 40mm of an installation rubber tube 9 No. 1 sebific duct through hole is provided with 80mm~120mm right side；In the vertical of right wall
A No. 2 sebific duct through holes, No. 2 sebific duct through-hole diameters and rubber tube 9 are provided with to axis and at roof 50mm~60mm
External diameter it is identical.Connected between 7 adjacent two vertical polyethylene wallboard of experimental bench using technique for sticking, keep stronger sealing
Property, experimental bench 7 is used to carrying and fixing whole device.
Flow control valve 8 uses model Q11F copper screw thread ball valve, and the connection between flow control valve 8 and conduit 3 is adopted
Connected with threaded plastic tube, for adjusting the flowing velocity of fluid.
The internal diameter of rubber tube 9 is 20mm~30mm, and 3 segment structure identical rubber tubes 9 are by flow control valve 8, spinner
Meter 4, lower section tank 5, water pump 6 are together in series with voltage stabilizing overflow tank 1, form a fluid circulation loop.
Thermometer 10 is used for determining temperature when reynolds experiment is carried out, and particular location is to be placed on voltage stabilizing overflow tank vertically
1 inside optional position, using electronic type or scale-type, its maximum range is no more than 50 DEG C.
Refering to Fig. 4, bracket 12 is made using a diameter of 10~12mm stainless steel (or glass) muscle, it is therefore an objective to is played
Support and fixation.
Described bracket 12 includes a stainless reinforcing bar annulus and the stainless reinforcing bar supporting leg of four structure identicals, stainless steel
The internal diameter of muscle annulus is less than the diameter of the spherical part of separatory funnel 2, and the stainless reinforcing bar supporting leg of four structure identicals equably divides
Cloth is on the bottom surface of stainless reinforcing bar annulus, the top of the stainless reinforcing bar supporting leg of four structure identicals and the bottom surface of stainless reinforcing bar annulus
It is connected using welding manner, the bottom of the stainless reinforcing bar supporting leg of four structure identicals contacts with the bottom land of voltage stabilizing overflow tank 1
Connection, the angle between any two neighboring stainless reinforcing bar supporting leg is equal, the stainless reinforcing bar supporting leg of four structure identicals and stainless
The angle of plane is equal where reinforcing bar annulus.
Described voltage stabilizing overflow tank 1 is arranged on the roof of experimental bench 7, and the outlet of voltage stabilizing overflow tank 1 is located at groove
Bottom land round tube hole at the center at bottom and the roof round tube hole at the roof center of experimental bench 7 align, bottom land round tube hole, roof circle
The diameter of through hole is identical with the external diameter for testing conduit 3, makees sealant using chloroform and justifies the bottom land on voltage stabilizing overflow tank 1
Roof round tube hole on through hole, experimental bench 7 and the external cylindrical surface of the experiment upper port of conduit 3 are tightly connected, experiment conduit 3 and steady
The bottom land of pressurized overflow tank 1 is vertical with the roof of experimental bench 7, and the outlet tested on conduit 3 and the bottom land of voltage stabilizing overflow tank 1 is
The rotation conllinear of bottom land round tube hole and the roof round tube hole on experimental bench 7；By the lower end discharging tube of separatory funnel 2 coaxially
The upper end of conduit 3 is inserted, the diameter of the lower end discharging tube of separatory funnel 2 is less than the internal diameter of experiment conduit 3, therefore, separatory funnel 2
Lower end discharging tube and experiment conduit 3 between leave be available in voltage stabilizing overflow tank 1 water outflow gap.Separatory funnel 2
Main body is located in voltage stabilizing overflow tank 1, specifically fixes separatory funnel using bracket 12, i.e. bracket 12 is placed on voltage stabilizing overflow
On the bottom land of tank 1, the spherical part of separatory funnel 2 is placed on the annulus of bracket 12；The experiment loading test platform 7 of conduit 3 pushes up
In roof round tube hole on wall, using one section of one end with internal thread, a diameter of 40mm~50mm plastic tube by the lower end of conduit 3 with
The upper end of flow control valve 8 connects, and plastic tube and the connection of the lower end of conduit 3 connect for interference, on plastic tube and flow control valve 8
The connection at end is threaded connection；The lower end of flow control valve 8 is connected with the lower end of spinner flowmeter 4 with first paragraph short rubber tube 9,
The connection of this section of rubber tube terminal is that (connection of following all rubber tubes 9 and other mouths of pipe is interference connection, no for interference connection
Illustrate again)；The upper end of spinner flowmeter 4 is connected with the initial end of second segment rubber tube 9, and the end of second segment rubber tube 9 enters down
The entrance of square tank 5, the pump outlet in lower section tank 5 are connected with the initial end of the 3rd section of rubber tube 9, the 3rd section of rubber tube
9 end enters the entrance of voltage stabilizing overflow tank 1, forms loop.
Utility model works principle is：
Whole experiment is carried out under 10 registrations of thermometer.Fluid, which flows out from voltage stabilizing overflow tank 1 and flows into experiment, leads
Pipe 3, fluid becomes a mandarin adjustable valve 8 from experiment conduit 3 lower end outflow cocurrent, then is flowed out from flow control valve 8 and flow into rotor stream
Gauge 4, flow out and be flowed into 5 in the tank of lower section from spinner flowmeter 4, the power set of 5 inside installations in the tank of lower section ---
Water pump 6, water pump 6 are evacuated in fluid from below tank 5 in voltage stabilizing overflow tank 1 through exit of pump and rubber tube 9, this series connection
Entirety make water circulation, and flowed in the separatory funnel 2 that colored liquid is placed in voltage stabilizing overflow tank 1 together with fluid
Test conduit 3.When adjusting flow control valve 8, flow velocity changes, if flow velocity it is ascending change if fluid can from laminar flow to
Turbulent flow change, disorder can be transitioned into by thin-line-shaped by being embodied in colored liquid.The registration Q of spinner flowmeter 4 is read, measure is real
The caliber d of conduit 3 is tested, inspection information learns ρ and μ, utilizes formulaReynolds number now is calculated, when flow pattern is sent out
Counted Reynolds number is critical Reynolds number during changing.
Claims (7)
1. a kind of reynolds test instrument, it is characterised in that a kind of described reynolds test instrument includes voltage stabilizing overflow tank (1), liquid separation
Funnel (2), experiment conduit (3), spinner flowmeter (4), lower section tank (5), water pump (6), experimental bench (7), flow control valve
(8), rubber tube (9) and thermometer (10)；
Described voltage stabilizing overflow tank (1) is arranged on the top of experimental bench (7), and thermometer (10) is arranged on voltage stabilizing overflow tank
(1) in, separatory funnel (2) is arranged in voltage stabilizing overflow tank (1) using bracket (12), and lower section tank (5) is arranged on experimental bench
(7) right side of bottom wall, water pump (6) are arranged on the lower right-hand corner of lower section tank (5)；
During the bottom land round tube hole of the lower end discharging tube insertion voltage stabilizing overflow tank (1) of described separatory funnel (2) exports and insert
Enter to test the upper end of conduit (3), experiment conduit (3) lower end is connected with the upper end pipeline of flow control valve (8), flow control valve
(8) lower end is connected using first paragraph rubber tube (9) with the lower end of spinner flowmeter (4), and the upper end of spinner flowmeter (4) is using the
Two sections of rubber tubes (9) are connected with lower section tank (5), and the outlet for the water pump (6) being disposed below in tank (5) uses the 3rd section of rubber
Sebific duct (9) is connected with voltage stabilizing overflow tank (1).
2. according to a kind of reynolds test instrument described in claim 1, it is characterised in that described experiment conduit (3) has to be transparent
Machine glass tube, the diameter of experiment conduit (3) is identical with the diameter that the bottom land round tube hole of voltage stabilizing overflow tank (1) exports, experiment
The upper end of conduit (3) is that exit seal is connected with the bottom land round tube hole of voltage stabilizing overflow tank (1) bottom land using chloroform, experiment
Conduit (3) is vertical with the bottom land of voltage stabilizing overflow tank (1), and the bottom land round tube hole of experiment conduit (3) and voltage stabilizing overflow tank (1) is
The rotation conllinear of outlet.
3. according to a kind of reynolds test instrument described in claim 1, it is characterised in that described experiment conduit (3) lower end and stream
The upper end pipeline connection of adjustable valve (8), flow control valve (8) lower end is using first paragraph rubber tube (9) and spinner flowmeter (4)
Lower end connection refer to：
Adjusted using one section of one end with internal thread, a diameter of 40~50mm plastic tube and flow described experiment conduit (3) lower end
The connection of valve (8) upper end is saved, i.e. the connection of plastic tube and conduit (3) connects for interference, plastic tube and flow control valve (8) upper end
It is connected as being threadedly coupled, under the both ends of first paragraph rubber tube (9) and the lower end of flow control valve (8) and spinner flowmeter (4)
The connection at end connects for interference.
4. according to a kind of reynolds test instrument described in claim 1, it is characterised in that the internal diameter of described experiment conduit (3) is
20~30mm；Separatory funnel (2) is bulb shape separatory funnel, and separatory funnel (2) uses model 125ml standard component, liquid separation leakage
The diameter of the lower end discharging tube of bucket (2) is less than the internal diameter of experiment conduit (3).
5. according to a kind of reynolds test instrument described in claim 1, it is characterised in that described experimental bench (7) is 10 by thickness
Cuboid formula box structure made of~12mm polyethylene board；
The rear and front end of described experimental bench (7) is to open wide non-close, i.e., experimental bench (7) is by roof, bottom wall, left wall, right wall group
Into；
A roof round tube hole, diameter and the experiment conduit (3) of roof round tube hole are provided with the roof center of experimental bench (7)
External diameter is identical；The left and right ends of the bottom wall of experimental bench (7) are provided with plate foot；A size and roof round tube hole are provided with bottom wall
Diameter identical bottom wall round tube hole, and roof round tube hole is conllinear with the centre of gyration line of bottom wall round tube hole and same plumb line；
No. 1 sebific duct that a diameter of 40mm of an installation rubber tube (9) is provided with the right side of bottom wall round tube hole center 100mm leads to
Hole；A No. 2 sebific duct through holes, No. 2 sebific duct through holes are provided with the longitudinal axis of right wall and at roof 50mm~60mm
Diameter is identical with the external diameter of rubber tube (9), is connected between the adjacent two vertical polyethylene wallboard of experimental bench (7) using technique for sticking
Connect.
6. according to a kind of reynolds test instrument described in claim 5, it is characterised in that the left and right of described experimental bench (7) bottom wall
Length is more than the left and right length of roof, and the length of roof is 500mm~600mm, and the length of bottom wall is 900mm~1000mm, real
The front and rear width for testing platform (7) is 500mm~600mm, and the height of experimental bench (7) is 700mm~800mm, bottom wall apart from ground or
The height of work top is 100mm~120mm.
7. according to a kind of reynolds test instrument described in claim 1, it is characterised in that described bracket (12) includes one not
Become rusty reinforcing bar annulus and the stainless reinforcing bar supporting leg of four structure identicals, and the internal diameter of stainless reinforcing bar annulus is less than the ball of separatory funnel (2)
The diameter of body portion, the stainless reinforcing bar supporting leg of four structure identicals are evenly distributed on the bottom surface of stainless reinforcing bar annulus, four
The top of the stainless reinforcing bar supporting leg of structure identical is connected with the bottom surface of stainless reinforcing bar annulus using welding manner, four structure phases
The bottom of same stainless reinforcing bar supporting leg contacts connection, any two neighboring stainless reinforcement bar support with the bottom land of voltage stabilizing overflow tank (1)
Angle between leg is equal, and the angle of plane is equal where the stainless reinforcing bar supporting leg of four structure identicals and stainless reinforcing bar annulus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720292211.6U CN206649792U (en) | 2017-03-24 | 2017-03-24 | A kind of reynolds test instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720292211.6U CN206649792U (en) | 2017-03-24 | 2017-03-24 | A kind of reynolds test instrument |
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| Publication Number | Publication Date |
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| CN206649792U true CN206649792U (en) | 2017-11-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106847008A (en) * | 2017-03-24 | 2017-06-13 | 吉林大学 | A kind of reynolds test instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106847008A (en) * | 2017-03-24 | 2017-06-13 | 吉林大学 | A kind of reynolds test instrument |
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| CF01 | Termination of patent right due to non-payment of annual fee |