CN105575230B - A kind of pipe section accumulates adjustable hydrodynamic calculations platform - Google Patents
A kind of pipe section accumulates adjustable hydrodynamic calculations platform Download PDFInfo
- Publication number
- CN105575230B CN105575230B CN201610131113.4A CN201610131113A CN105575230B CN 105575230 B CN105575230 B CN 105575230B CN 201610131113 A CN201610131113 A CN 201610131113A CN 105575230 B CN105575230 B CN 105575230B
- Authority
- CN
- China
- Prior art keywords
- water tank
- voltage regulation
- elastic plate
- water
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
- G09B23/12—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of liquids or gases
Abstract
The invention discloses a kind of pipe section to accumulate adjustable hydrodynamic calculations platform.The hydrodynamic calculations such as Reynolds, local resistance, Bernoulli equation all have relation with the sectional area size of experiment tube.It is fixed value to solve existing hydrodynamic calculations platform experiment tube sectional area, it is impossible to adjust problem, invented a kind of pipe section and accumulated adjustable hydrodynamic calculations platform.On unlimited experiment tube, elastic plate is fixed on experiment tube by side guide, side guide fixing bolt group, forms closed cross-section.When needing to change experiment tube sectional area, start cylinder, drive elastic plate top board to move by ejecting rod of cylinder, ejecting rod of cylinder base so that elastic plate deforms, so as to reach regulation experiment tube section product purpose；Same experimental bench is utilized, multigroup different experimental data can be obtained.
Description
Technical field
The present invention relates to a kind of pipe section to accumulate adjustable hydrodynamic calculations platform, belongs to practical teaching equipment making technology
Field.
Background technology
In order to deepen to take as an elective course course student's Fluid Mechanics knowledge such as " hydrodynamics ", " Principles of Chemical Engineering ", " hydraulic drive "
Understanding, student (experimenter) should generally do the experimental projects such as Reynolds, Bernoulli equation, on-way resistance and local resistance.
1. Reynolds number formula：
Wherein, ρ-fluid density；The movement velocity of v- liquid；DHThe hydraulic diameter of-pipe；μ-liquid moves
Power viscosity.
2. Bernoulli equation：
Wherein, p1、p1The pressure of-two sections liquid；G- gravity accelerates
Degree；ρ-fluid density；z1、z2- two sections the distance away from level reference respectively；u1、u2The mean flow rate of-two sections liquid.
3. local pressure loss formula：
Wherein, ξ-coefficient of partial resistance；ρ-fluid density；The movement velocity of v- liquid.
It can be seen that the experimental data of these experiments is all with testing the sectional area of pipeline (as when the timing of flow one, changed experiment tube
The sectional area on road, it is possible to change the movement velocity (flow velocity) of liquid, and then obtain different experimental datas), or and water
Power diameter has relation.Because the experimental facilities limited amount of each school, and in general experimental facilities small volume, every group real
Testing student's quantity will not be excessive.Therefore, student using limited experimental facilities when being tested, obtained by the student of different groups
Experimental data be possible to duplicate.The section of experiment tube (being usually pipe) provisioned in existing hydrodynamic calculations platform is big
Small or diameter be all it is fixed, experimenter can not regulation experiment pipe as needed sectional area or diameter, thus directly
The efficiency of corresponding experiment is had influence on.In order to make full use of limited experimental facilities, meet that different students utilize different sections
The experiment tube of product or diameter is tested, Practical Teaching quality, it is necessary to which normal experimental teaching can be met by developing
Need, and can allows student's contrived experiment as needed, changes experiment tube sectional area or diameter, allows the student of different groups in difference
Experiment condition under the hydrodynamic calculations platform tested.
The content of the invention
The present invention provides a kind of adjustable fluid of pipe section product with following structure to solve above technical problem
Experiments of Machanics platform, it is by experimental bench support 1, experimental bench 2, water tank of voltage regulation 3, overflow plate 4, voltage stabilization plate 5, screen 6, side guide 7, side
Pressing plate fixing bolt group 8, experiment pipe holder 9, lifting platform 10, lifting platform column 11, guide pillar 12, guide pin bushing 13, guide pillar base 14, gas
Cylinder 15, ejecting rod of cylinder 16, ejecting rod of cylinder base 17, elastic plate 18, experiment tube 19, experiment tube valve 20, tap 21, flowmeter
22nd, measure water tank 23, metering tank bracket 24, metering water container backwater tube valve 25, pressure gauge 26, metering water container backwater pipe 27,
The first backwater of water tank of voltage regulation tube valve 28, the first return pipe of water tank of voltage regulation 29, the second backwater of water tank of voltage regulation tube valve 30, voltage stabilizing water
The second return pipe of case 31, water pump upper hose valve 32, water pump 33, water pump upper hose 34, the return pipe 35 of water tank of voltage regulation the 3rd, voltage stabilizing
The backwater tube valve 36 of water tank the 3rd, supply tank 37, elastic plate top board 38, elastic plate lower platen 39, elastic plate pressing plate fix spiral shell
Nail group 40, air pump 41, PLC (programmable logic controller (PLC)) 42, touch display screen 43, connection data wire 44, tracheae 45 form；Its
Feature is that experimental bench 2 is fixed on experimental bench support 1, and water tank of voltage regulation 3 is arranged on experimental bench 2；Overflow plate 4, voltage stabilization plate 5, grid
Plate 6 is separately fixed on the bottom of water tank of voltage regulation 3；Experiment tube 19 is connected on experimental bench 2 by testing pipe holder 9, and with it is steady
Pressure water tank 3 is connected；Flowmeter 22, pressure gauge 26 are connected with experiment tube 19 respectively, and by connecting data wire 44 and PLC42
It is connected；Touch display screen 43 is connected by connecting data wire 44 with PLC42；Side guide 7 and the phase knot of side guide fixing bolt group 8
Close, elastic plate 18 is fixed on experiment tube 19；Lifting platform 10 is connected on experimental bench 2 by lifting platform column 11；Guide pillar 12
It is fixed together with guide pillar base 14, guide pillar base 14 is fixed together with elastic plate top board 38；Guide pin bushing 13 is arranged on lifting
On platform 10, formed and coordinated with guide pillar 12；Cylinder 15 is fixed on lifting platform 10, and ejecting rod of cylinder 16 is solid with ejecting rod of cylinder base 17
Even；Ejecting rod of cylinder base 17 is fixed together with elastic plate top board 38；Elastic plate top board 38, elastic plate lower platen 39 pass through
Elastic plate pressing plate fixing screws group 40 is fixed together with elastic plate 18；Cylinder 15 is connected by tracheae 45 with air pump 41；It is real
The both ends for testing tube valve 20 are connected with experiment tube 19, tap 21 respectively；Metering water tank 23 is solid by measuring tank bracket 24
It is scheduled on experimental bench support 1；Metering water container backwater pipe 27 is connected with measuring the bottom side of water tank 23, in metering water container backwater pipe
27 are provided with metering water container backwater tube valve 25；Supply tank 37 is fixed on experimental bench support 1；The return pipe of water tank of voltage regulation first
29th, the second return pipe of water tank of voltage regulation 31, the return pipe 35 of water tank of voltage regulation the 3rd are separately fixed at the bottom of water tank of voltage regulation 3, and respectively
It is connected with water tank of voltage regulation 3；In the first return pipe of water tank of voltage regulation 29, the second return pipe of water tank of voltage regulation 31, water tank of voltage regulation the 3rd time
The first backwater of water tank of voltage regulation tube valve 28, the second backwater of water tank of voltage regulation tube valve 30, water tank of voltage regulation is respectively equipped with water pipe 35
Three backwater tube valves 36；The upper end of water pump upper hose 34 is fixed on the bottom of water tank of voltage regulation 3, and is connected with water tank of voltage regulation 3, water
The lower end of pump upper hose 34 is connected with water pump 33；Water pump upper hose valve 32 is provided with water pump upper hose 34；Water pump 33 is put
Put in supply tank 37；Measure water container backwater pipe 27, the first return pipe of water tank of voltage regulation 29, the second return pipe of water tank of voltage regulation 31, steady
The pressure return pipe 35 of water tank the 3rd respectively leads to supply tank 37.The material of elastic plate 18 be nitrile rubber, neoprene, fluorubber,
One kind in Kynoar, poly- four or six ethene.
A kind of preferably embodiment of this technology solution is that the pipe section of this structure accumulates adjustable hydrodynamics
Experimental bench, it can either ensure to output outside the experiments such as necessary Reynolds, on-way resistance, local resistance, Bernoulli equation checking, moreover it is possible to
According to experimenter's needs, regulation experiment tube section product, so as to utilize same experimental facilities, cut in different experiment tubes
Multigroup experimental data is obtained under area.
Brief description of the drawings
Fig. 1 --- a kind of pipe section accumulates adjustable hydrodynamic calculations platform front view.
The B-B sectional views of Fig. 2 --- experiment tube.
Fig. 3 --- the B-B sectional views after experiment tube adjustment sectional area (deformation).
Fig. 4 --- partial enlarged view A.
Fig. 5 --- control circuit figure.
Fig. 6 --- pipe section when doing local resistance experiment accumulates adjustable hydrodynamic calculations platform front view.
The segmental structure schematic diagram of Fig. 7 --- experiment tube 19.
Embodiment
Embodiments of the invention are provided below in conjunction with the accompanying drawings, for further illustrating technical solution.
Embodiment 1, with reference to figure 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7.Found out by accompanying drawing, a kind of pipe section product is adjustable
Hydrodynamic calculations platform, by experimental bench support 1, experimental bench 2, water tank of voltage regulation 3, overflow plate 4, voltage stabilization plate 5, screen 6, side guide
7th, side guide fixing bolt group 8, experiment pipe holder 9, lifting platform 10, lifting platform column 11, guide pillar 12, guide pin bushing 13, guide pillar base
14th, cylinder 15, ejecting rod of cylinder 16, ejecting rod of cylinder base 17, elastic plate 18, experiment tube 19, experiment tube valve 20, tap 21,
Flowmeter 22, metering water tank 23, metering tank bracket 24, metering water container backwater tube valve 25, pressure gauge 26, metering water container backwater
Pipe 27, the first backwater of water tank of voltage regulation tube valve 28, the first return pipe of water tank of voltage regulation 29, the second backwater of water tank of voltage regulation tube valve 30,
The second return pipe of water tank of voltage regulation 31, water pump upper hose valve 32, water pump 33, water pump upper hose 34, the return pipe of water tank of voltage regulation the 3rd
35th, the backwater tube valve 36 of water tank of voltage regulation the 3rd, supply tank 37, elastic plate top board 38, elastic plate lower platen 39, elastic plate pressing plate
Fixing screws group 40, air pump 41, PLC42, touch display screen 43, connection data wire 44, tracheae 45 form；It is characterized in, tests
Platform 2 is fixed on experimental bench support 1, and water tank of voltage regulation 3 is arranged on experimental bench 2；Overflow plate 4, voltage stabilization plate 5, screen 6 are fixed respectively
On the bottom of water tank of voltage regulation 3；Experiment tube 19 is connected on experimental bench 2 by testing pipe holder 9, and is connected with water tank of voltage regulation 3
It is logical；Flowmeter 22, pressure gauge 26 are connected with experiment tube 19, and are connected by connecting data wire 44 with PLC42 respectively；Touch aobvious
Display screen 43 is connected by connecting data wire 44 with PLC42；Side guide 7 is combined with side guide fixing bolt group 8, by elastic plate 18
It is fixed on experiment tube 19；Lifting platform 10 is connected on experimental bench 2 by lifting platform column 11；Guide pillar 12 is solid with guide pillar base 14
Connect together, guide pillar base 14 is fixed together with elastic plate top board 38；Guide pin bushing 13 is arranged on lifting platform 10, with guide pillar 12
Formed and coordinated；Cylinder 15 is fixed on lifting platform 10, and ejecting rod of cylinder 16 is connected with ejecting rod of cylinder base 17；Ejecting rod of cylinder base 17
It is fixed together with elastic plate top board 38；Elastic plate top board 38, elastic plate lower platen 39 fix spiral shell by elastic plate pressing plate
Nail group 40 is fixed together with elastic plate 18；Cylinder 15 is connected by tracheae 45 with air pump 41；Test the both ends of tube valve 20
It is connected respectively with experiment tube 19, tap 21；Metering water tank 23 is fixed on experimental bench support 1 by measuring tank bracket 24
On；Metering water container backwater pipe 27 is connected with measuring the bottom side of water tank 23, and metering water is provided with metering water container backwater pipe 27
Case backwater tube valve 25；Supply tank 37 is fixed on experimental bench support 1；The first return pipe of water tank of voltage regulation 29, water tank of voltage regulation second
Return pipe 31, the return pipe 35 of water tank of voltage regulation the 3rd are separately fixed at the bottom of water tank of voltage regulation 3, and are connected respectively with water tank of voltage regulation 3
It is logical；It is respectively equipped with the first return pipe of water tank of voltage regulation 29, the second return pipe of water tank of voltage regulation 31, the return pipe 35 of water tank of voltage regulation the 3rd
The first backwater of water tank of voltage regulation tube valve 28, the second backwater of water tank of voltage regulation tube valve 30, the backwater tube valve 36 of water tank of voltage regulation the 3rd；Water
The upper end of pump upper hose 34 is fixed on the bottom of water tank of voltage regulation 3, and is connected with water tank of voltage regulation 3, the lower end of water pump upper hose 34
It is connected with water pump 33；Water pump upper hose valve 32 is provided with water pump upper hose 34；Water pump 33 is placed in supply tank 37；Meter
Water-masuring box return pipe 27, the first return pipe of water tank of voltage regulation 29, the second return pipe of water tank of voltage regulation 31, the return pipe 35 of water tank of voltage regulation the 3rd
Respectively lead to supply tank 37.The material of elastic plate 18 is nitrile rubber, neoprene, fluorubber, Kynoar, poly- four or six second
One kind in alkene.
Experiment tube 19 is transparent organic glass (acrylic) material, is open form above experimental section, U-shaped structure, and
Provided with side fixed edge 19-1 (referring to Fig. 2, Fig. 4), its rectangular cross-section.Elastic plate 18 passes through side guide 7, side guide fixing bolt
Group 8 is fixed on the side fixed edge 19-1 of experiment tube 19, ensures that sealing is good between elastic plate 18 and side fixed edge 19-1.
The length of the experimental section of experiment tube 19, it can be determined according to the purposes of experiment tube (referring to Fig. 1 and Fig. 6).Reynolds, along journey
The experiment segment length of the experiments such as resistance, Bernoulli equation is the experiment segment length of the experiment such as 3-6 rice, local resistance, continuity equation
Spend for 0.1-3 rice.
Experiment tube 19 can also be designed to three stage structure (referring to Fig. 7) according to actual conditions, that is, be covered with elastic plate 18
The experiment tube of (with side fixed edge 19-1) is one section (II sections), and remainder is made two sections (I sections and III sections)；It is every between two sections
It is fixed together with bolt, and sealing gasket is added in junction.
During experiment, the sectional area of the experimental section of regulation experiment pipe 19 is such as needed, can be inputted in touch display screen 43 needs to control
Elastic plate 18 deform after height value, control information is delivered to PLC42 by connecting data wire 44, controls the work of air pump 41
Make, gases at high pressure are transmitted to by cylinder 15 by tracheae 45 so that ejecting rod of cylinder 16 moves up and down.Because cylinder 15 is fixed on lifting
On platform 10, ejecting rod of cylinder 16 is connected with ejecting rod of cylinder base 17；Ejecting rod of cylinder base 17 is connected in one with elastic plate top board 38
Rise；Elastic plate top board 38, elastic plate lower platen 39 are connected in one by elastic plate pressing plate fixing screws group 40 and elastic plate 18
Rise；In addition, lifting platform 10 is connected on experimental bench 2 by lifting platform column 11；Guide pillar 12 is fixed together with guide pillar base 14,
Guide pillar base 14 is fixed together with elastic plate top board 38；Guide pin bushing 13 is arranged on lifting platform 10, is formed and coordinated with guide pillar 12；
Therefore, when ejecting rod of cylinder 16 moves up, elastic plate top board 38, elastic plate lower platen 39 clamping under, elastic plate 18
(referring to Fig. 3) can be deformed, so as to change the sectional area size of experiment tube.Guide pillar 12 play the guiding role.
Pressure gauge 26 is used for measuring the overpressure at different measuring points.2-6 can be set on experiment pipeline as needed
Individual pressure tap.Flowmeter 22 is used for fluid flow in measurement pipe, and the uninterrupted in experiment tube can be by testing tube valve 20
It is adjusted.Pressure measurement signal and flow signal feed back to PLC42 by connecting data wire 44, and then are shown in touch display screen 43
On.With reference to manual time-keeping, the flow value of experiment pipeline can also be calculated using water tank 23 is measured.
Experiment tube 19 can be designed as continuity equation confirmatory experiment pipeline, Bernoulli equation confirmatory experiment pipe as needed
Road, on-way resistance and local resistance experiment pipeline (referring to Fig. 6), reynolds experiment pipeline.When doing reynolds experiment pipeline, it need to increase and show
Track bottle, tracer pipe.
Measure water container backwater tube valve 25, the first backwater tube valve 28, the second backwater of water tank of voltage regulation tube valve 30, on water pump
Aqueduct valve 32, the backwater tube valve 36 of water tank of voltage regulation the 3rd control the break-make of respective line respectively.When water pump 33 works, pass through water
Pump upper hose 34 is to the continuous water supply of water tank of voltage regulation 3.
Claims (2)
1. a kind of pipe section accumulates adjustable hydrodynamic calculations platform, by experimental bench support (1), experimental bench (2), water tank of voltage regulation
(3), overflow plate (4), voltage stabilization plate (5), screen (6), side guide (7), side guide fixing bolt group (8), experiment pipe holder (9),
Lifting platform (10), lifting platform column (11), guide pillar (12), guide pin bushing (13), guide pillar base (14), cylinder (15), ejecting rod of cylinder
(16), ejecting rod of cylinder base (17), elastic plate (18), experiment tube (19), experiment tube valve (20), tap (21), flowmeter
(22) water tank (23), metering tank bracket (24), metering water container backwater tube valve (25), pressure gauge (26), metering water tank, are measured
Return pipe (27), water tank of voltage regulation the first backwater tube valve (28), the return pipe of water tank of voltage regulation first (29), the backwater of water tank of voltage regulation second
Tube valve (30), the return pipe of water tank of voltage regulation second (31), water pump upper hose valve (32), water pump (33), water pump upper hose (34),
The return pipe (35) of water tank of voltage regulation the 3rd, the backwater tube valve (36) of water tank of voltage regulation the 3rd, supply tank (37), elastic plate top board
(38), elastic plate lower platen (39), elastic plate pressing plate fixing screws group (40), air pump (41), PLC (42), touch display screen
(43) data wire (44), tracheae (45) composition, are connected；
Experimental bench (2) is fixed on experimental bench support (1), and water tank of voltage regulation (3) is arranged on experimental bench (2)；It is overflow plate (4), steady
Pressing plate (5), screen (6) are separately fixed on the bottom of water tank of voltage regulation (3)；Experiment tube (19) is connected by testing pipe holder (9)
It is connected on experimental bench (2), and with water tank of voltage regulation (3)；Flowmeter (22), pressure gauge (26) are connected with experiment tube (19) respectively
It is logical, and be connected by connecting data wire (44) with PLC (42)；Touch display screen (43) is by connecting data wire (44) and PLC
(42) it is connected；The both ends of experiment tube valve (20) are connected with experiment tube (19), tap (21) respectively；It is logical to measure water tank (23)
Metering tank bracket (24) is crossed to be fixed on experimental bench support (1)；Measure the bottom of water container backwater pipe (27) and metering water tank (23)
Sidepiece is connected, and metering water container backwater tube valve (25) is provided with metering water container backwater pipe (27)；Supply tank (37) is fixed on
On experimental bench support (1)；The return pipe of water tank of voltage regulation first (29), the return pipe of water tank of voltage regulation second (31), water tank of voltage regulation the 3rd time
Water pipe (35) is separately fixed at the bottom of water tank of voltage regulation (3), and is connected respectively with water tank of voltage regulation (3)；In water tank of voltage regulation first
Return pipe (29), the return pipe of water tank of voltage regulation second (31), water tank of voltage regulation is respectively equipped with the return pipe (35) of water tank of voltage regulation the 3rd
One backwater tube valve (28), water tank of voltage regulation the second backwater tube valve (30), the backwater tube valve (36) of water tank of voltage regulation the 3rd；On water pump
The upper end of water pipe (34) is fixed on the bottom of water tank of voltage regulation (3), and is connected with water tank of voltage regulation (3), water pump upper hose (34)
Lower end is connected with water pump (33)；Water pump upper hose valve (32) is provided with water pump upper hose (34)；Water pump (33) is placed on
Supply tank (37) is inner；Measure water container backwater pipe (27), the return pipe of water tank of voltage regulation first (29), the return pipe of water tank of voltage regulation second
(31), the return pipe (35) of water tank of voltage regulation the 3rd respectively leads to supply tank (37)；
The material of elastic plate (18) is one kind in nitrile rubber, neoprene, fluorubber, Kynoar, poly- four or six ethene；
It is characterized in that side guide (7) is combined with side guide fixing bolt group (8), elastic plate (18) is fixed on experiment tube
(19) on；Lifting platform (10) is connected on experimental bench (2) by lifting platform column (11)；Guide pillar (12) is solid with guide pillar base (14)
Connect together, guide pillar base (14) is fixed together with elastic plate top board (38)；Guide pin bushing (13) is arranged on lifting platform (10),
Formed and coordinated with guide pillar (12)；Cylinder (15) is fixed on lifting platform (10), ejecting rod of cylinder (16) and ejecting rod of cylinder base (17)
It is connected；Ejecting rod of cylinder base (17) is fixed together with elastic plate top board (38)；Elastic plate top board (38), elastic plate push
Plate (39) is fixed together by elastic plate pressing plate fixing screws group (40) and elastic plate (18)；Cylinder (15) passes through tracheae (45)
It is connected with air pump (41).
2. a kind of pipe section according to claim 1 accumulates adjustable hydrodynamic calculations platform, it is characterized in that, experiment tube
(19) experimental section is double-decker；Wherein, one layer is elastic plate (18), and another layer is experiment tube (19)；Experiment tube (19) is U
Shape structure, it is 0.1-6 rice that it, which tests segment length,.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610131113.4A CN105575230B (en) | 2016-03-09 | 2016-03-09 | A kind of pipe section accumulates adjustable hydrodynamic calculations platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610131113.4A CN105575230B (en) | 2016-03-09 | 2016-03-09 | A kind of pipe section accumulates adjustable hydrodynamic calculations platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105575230A CN105575230A (en) | 2016-05-11 |
| CN105575230B true CN105575230B (en) | 2017-12-26 |
Family
ID=55885302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610131113.4A Expired - Fee Related CN105575230B (en) | 2016-03-09 | 2016-03-09 | A kind of pipe section accumulates adjustable hydrodynamic calculations platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105575230B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5178543A (en) * | 1991-04-30 | 1993-01-12 | The United States Of America As Represented By The United States Department Of Energy | Basic fluid system trainer |
| CN2224671Y (en) * | 1995-03-18 | 1996-04-17 | 王稳华 | Sprayer valve |
| CN201163464Y (en) * | 2008-02-29 | 2008-12-10 | 李高建 | Hydromechanics experimental device |
| CN202258045U (en) * | 2011-04-11 | 2012-05-30 | 长江大学 | L-II fluid mechanics integrated testing instrument |
| CN202332036U (en) * | 2011-11-10 | 2012-07-11 | 浙江天煌科技实业有限公司 | Novel fluid mechanics comprehensive experiment device |
| CN203520715U (en) * | 2013-05-29 | 2014-04-02 | 莱帕克(北京)科技有限公司 | Comprehensive hydromechanics device capable of being freely combined |
| CN104599567A (en) * | 2015-02-02 | 2015-05-06 | 江苏农林职业技术学院 | Multifunctional fluid mechanics experimental device |
-
2016
- 2016-03-09 CN CN201610131113.4A patent/CN105575230B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5178543A (en) * | 1991-04-30 | 1993-01-12 | The United States Of America As Represented By The United States Department Of Energy | Basic fluid system trainer |
| CN2224671Y (en) * | 1995-03-18 | 1996-04-17 | 王稳华 | Sprayer valve |
| CN201163464Y (en) * | 2008-02-29 | 2008-12-10 | 李高建 | Hydromechanics experimental device |
| CN202258045U (en) * | 2011-04-11 | 2012-05-30 | 长江大学 | L-II fluid mechanics integrated testing instrument |
| CN202332036U (en) * | 2011-11-10 | 2012-07-11 | 浙江天煌科技实业有限公司 | Novel fluid mechanics comprehensive experiment device |
| CN203520715U (en) * | 2013-05-29 | 2014-04-02 | 莱帕克(北京)科技有限公司 | Comprehensive hydromechanics device capable of being freely combined |
| CN104599567A (en) * | 2015-02-02 | 2015-05-06 | 江苏农林职业技术学院 | Multifunctional fluid mechanics experimental device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105575230A (en) | 2016-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201117133Y (en) | Multifunctional fluid mechanics experimental installation | |
| CN204576913U (en) | A kind of Multifunction hydrodynamic calculations platform | |
| CN202258045U (en) | L-II fluid mechanics integrated testing instrument | |
| CN204833838U (en) | Comprehensive design nature hydraulics experiment platform | |
| CN202584505U (en) | Test instrument for venturi and orifice plate flowmeters | |
| RU2339084C1 (en) | Device of bench automated laboratory complex for studying hydrodynamic processes witt measurements and processing of results in program medium lab view | |
| Rea et al. | The split of horizontal stratified flow at a large diameter T-junction | |
| CN2729678Y (en) | Self circulating bernoulli equation experiment instrument | |
| CN205827740U (en) | A kind of viscosity pipe flow synthetic instruction experiment instrument | |
| CN105575230B (en) | A kind of pipe section accumulates adjustable hydrodynamic calculations platform | |
| Zhang et al. | Experimental investigation of cavitation in a sudden expansion pipe | |
| CN107705687B (en) | Back inclined trap observation experimental device and application thereof | |
| CN211652018U (en) | Multiple stable series pipeline on-way resistance experiment appearance | |
| CN104952323B (en) | Possesses self-loopa Bernoulli Jacob's experimental provision of teaching efficiency flow digital display | |
| CN102982710B (en) | Reynolds experiment apparatus | |
| CN203376908U (en) | Simple multifunctional integrated flow testing experiment table | |
| CN113077691B (en) | Experiment teaching device for researching object streaming problem | |
| CN204791693U (en) | Self -loopa bernoulli jacob experimental apparatus that possesses teaching effects flow digital display | |
| CN209729212U (en) | The on-way resistance experiment instrument of multistable | |
| CN204514393U (en) | A kind of flow measurement device based on acting head | |
| Lao et al. | Behaviours of elongated bubbles in a large diameter riser | |
| CN106847008A (en) | A kind of reynolds test instrument | |
| CN2767970Y (en) | Bi-directional flow float flux tester | |
| CN206649792U (en) | A kind of reynolds test instrument | |
| CN205281920U (en) | Utilize bernoulli jacob's principle to carry out water flow test's teaching demonstration appearance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xie Zaiyu Inventor before: Wang Liangshen Inventor before: Wang Cuanyan Inventor before: Chen Yan Inventor before: Xie Zaiyu Inventor before: Wang Xiaochen Inventor before: Li Dong Inventor before: Tian Zhongmin |
|
| 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: 20171226 Termination date: 20190309 |