CN114486172A - Density temperature layering simulation experiment water tank device - Google Patents
Density temperature layering simulation experiment water tank device Download PDFInfo
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- CN114486172A CN114486172A CN202210128558.2A CN202210128558A CN114486172A CN 114486172 A CN114486172 A CN 114486172A CN 202210128558 A CN202210128558 A CN 202210128558A CN 114486172 A CN114486172 A CN 114486172A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 135
- 238000004088 simulation Methods 0.000 title claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 150000003839 salts Chemical class 0.000 claims abstract description 9
- 239000012267 brine Substances 0.000 claims description 18
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 18
- 238000005057 refrigeration Methods 0.000 claims description 14
- 238000013517 stratification Methods 0.000 claims description 14
- 239000013505 freshwater Substances 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000005341 toughened glass Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000009938 salting Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention provides a density and temperature layered simulation experiment water tank device which comprises a water tank main body, a water inlet assembly, a bell mouth assembly, a lifting device, a salt adding assembly, a heating assembly, a refrigerating assembly, a detachable upright rod, a digital temperature chain, a digital density chain, a multi-channel recorder and a liftable water inlet and outlet assembly; the bell mouth assembly is suspended on the water surface in the water tank main body in a lifting way through a lifting device; the water inlet assembly is connected with the bell mouth assembly; the liftable water inlet and outlet assembly is connected with the salt adding assembly and the water outlet; a digital temperature chain and a digital density chain are arranged on the detachable upright stanchion; digital temperature chain and digital density chain multichannel recorders. The density and temperature layered simulation experiment water tank device is simple in structure and convenient to operate, and can truly reflect the actual marine layered environment; the device can simulate the motion condition of a submarine or an underwater device in temperature and density layering and the phenomenon of internal wave wake in the operation process.
Description
Technical Field
The invention relates to the field of test flumes in ocean engineering, in particular to a density and temperature layered simulation experiment flume device.
Background
Maximum amplitude of solitary waves in the ocean is a common marine dynamic phenomenon that occurs inside dense stratified seawater. Not only is an important link in ocean energy strings, but also is one of key physical processes influencing ocean productivity, and has important influence on ocean engineering, ocean resource development and ocean ecological environment. The temperature and density of the ocean along the depth of the water can be different, and a certain temperature and density gradient can be formed. The surface layer has high temperature and low density, and the bottom layer has low temperature and high density. When the warm salt stratification is carried out in a laboratory, the scale model ratio is basically adopted, and is generally between dozens of centimeters and one meter and two meters. The layered temperature can not be adjusted naturally only by the water depth.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the density and temperature layered simulation experiment water tank device which is simple in structure and convenient to operate and can truly reflect the actual marine layered environment; the device can simulate the motion condition of a submarine or an underwater device in temperature and density layering and the phenomenon of internal wave wake in the operation process; the simulation experiment water tank device makes up the single working condition that only the density stratification is simulated in the previous stratified flow test.
In order to achieve the aim, the invention provides a density and temperature layered simulation experiment water tank device which comprises a water tank main body, a water inlet assembly, a bell mouth assembly, a lifting device, a salt adding assembly, a heating assembly, a refrigerating assembly, a detachable upright rod, a digital temperature chain, a digital density chain, a multi-channel recorder and a liftable water inlet and outlet assembly; the bell mouth assembly is suspended on the water surface in the water tank main body in a lifting manner through the lifting device; the water inlet assembly is connected with the bell mouth assembly; the liftable water inlet and outlet assembly is arranged in the water tank main body and is connected with the salt adding assembly and a water outlet; the heating component is connected with the left side wall surface of the water tank main body; the refrigeration component is connected with the right side wall surface of the water tank main body; the detachable upright stanchion is detachably connected in the water tank main body; the detachable upright stanchion is provided with the digital temperature chain and the digital density chain; the digital temperature chain and the digital density chain are connected with the multichannel recorder arranged outside the water tank main body through a data transmission line.
Preferably, the water tank main body comprises a steel structure and a plurality of pieces of toughened glass fixed on the steel structure; the tempered glass is arranged on the periphery of the water tank main body, and the outer sides of at least two pieces of tempered glass are provided with graduated scales; the bottom of the water tank main body is provided with a plurality of rigid bases.
Preferably, the water inlet assembly comprises a water pump, a water inlet, a fresh water tank, a buoyancy valve and a first valve; one end of the water inlet is connected with the water pump, and the other end of the water inlet is connected with the buoyancy valve; the buoyancy valve is arranged in the fresh water tank; the bottom of the fresh water tank is communicated with the bell mouth component through a conduit; the first valve is arranged on the conduit.
Preferably, the bell mouth assembly comprises a rigid support and a plurality of bell mouths which are fixed on the rigid support and distributed in an array; the bell mouth component is in transmission connection with the lifting device through a steel cable.
Preferably, the salting assembly comprises a brine tank, a stirrer, a plurality of stirring blades and a second valve; the stirrer is connected to the brine tank, and the stirring blade is arranged in the brine tank and is in transmission connection with the stirrer; the bottom of the brine tank is connected with the liftable water inlet and outlet assembly through a conduit; the second valve is disposed on the conduit.
Preferably, the liftable water inlet and outlet assembly comprises a liftable water inlet and outlet, a lifting adjuster and a conduit; the conduit is arranged vertically; the liftable water inlet and outlet is sleeved outside the first end of the conduit in a liftable manner; the lifting regulator is sleeved outside part of the liftable water inlet and outlet and part of the conduit and is locked to the conduit through the threaded fit of internal threads and the liftable water inlet and outlet; the second end of the conduit is connected with the salting component and the water outlet; a third valve is arranged on the conduit close to the water outlet.
Preferably, the heating unit includes a heater and a heating coil connected to each other, and the heating coil is disposed on a left side wall surface of the tank main body.
Preferably, the refrigeration assembly comprises a refrigerator and a refrigeration coil which are connected, and the refrigeration coil is arranged on the right side wall surface of the water tank main body.
Preferably, the digital temperature chain comprises a plurality of temperature sensors, and the temperature sensors are uniformly arranged at intervals along the vertical direction; the distance between two adjacent temperature sensors is 3 cm; the temperature sensor is connected with the multichannel recorder.
Preferably, the digital density chain comprises a plurality of conductivity sensors, and the conductivity sensors are uniformly spaced along the vertical direction; the distance between two adjacent conductivity sensors is 1.5 cm; the conductivity sensor is connected with the multi-channel recorder.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the liftable inlet outlet assembly can adjust the height of the liftable inlet outlet. The temperature sensors are arranged at even intervals along the vertical direction, so that the temperature change can be detected along the water depth direction. Heating element connects water tank main part left side wall, and heating element passes through the heating machine with water constant temperature heating, then transmits hot water to the heating coil pipe inner loop and flows, has realized transmitting the heat in the basin. The refrigeration component is connected with the right side wall surface of the water tank main body, cools water at constant temperature through the refrigerator, and then transmits constant-temperature cold water to the refrigeration pipe to flow in a circulating mode, so that temperature gradient is generated in layering. Heating by the heater and cooling by the refrigerator are carried out synchronously. The water layer temperature change can be monitored through a digital temperature chain on the detachable vertical rod. The steel cable suspension that the horn mouth accessible goes up and down realizes even fresh water injection at appointed surface of water position for the fresh water that gets into the basin is more even, in order to realize stable density layering. The brine tank and the stirrer are matched to form brine with uniform density. The digital temperature chain and the digital density chain are connected with a multi-channel recorder outside the water tank main body, the digital temperature chain is provided with a temperature detector for monitoring the temperature stratification condition of water, and the digital density chain is provided with a conductivity detector for monitoring the density stratification condition of water. Therefore, the invention can realize a flow field with double influences of temperature stratification and density stratification.
Drawings
FIG. 1 is a schematic structural diagram of a density-temperature layered simulation experiment water tank device according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a tank body according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a liftable water inlet and outlet assembly according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a bell mouth assembly according to an embodiment of the invention.
Detailed Description
The following description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, which are set forth in the accompanying drawings and figures 1-4, to provide a better understanding of the function and features of the invention.
Referring to fig. 1 to 4, a density-temperature layered simulation experiment water tank device according to an embodiment of the present invention includes a water tank main body 16, a water inlet assembly, a bell mouth assembly, a lifting device 13, a salt adding assembly, a heating assembly, a refrigerating assembly, a detachable upright rod 22, a digital temperature chain 26, a digital density chain 27, a multi-channel recorder 28, and a liftable water inlet and outlet assembly; the bell mouth assembly is suspended on the water surface in the water tank main body 16 in a lifting way through a lifting device 13; the water inlet assembly is connected with the bell mouth assembly; the liftable water inlet and outlet assembly is arranged in the water tank main body 16 and is connected with the salt adding assembly and a water outlet 18; the heating component is connected with the left side wall surface of the water tank main body 16; the refrigeration component is connected with the right side wall surface of the water tank main body 16; the detachable upright 22 is detachably connected to the inside of the tank main body 16; the detachable upright rod 22 is provided with a digital temperature chain 26 and a digital density chain 27; the digital temperature chain 26 and the digital density chain 27 are connected with a multi-channel recorder 28 arranged outside the water tank main body 16 through a data transmission line 25.
The water tank main body 16 comprises a steel structure 31 and a plurality of toughened glass 30 fixed on the steel structure 31; the toughened glass 30 is arranged around the water tank main body 16, and the outside of at least two toughened glass 30 is provided with a graduated scale 21; the bottom of the tank body 16 is provided with a plurality of rigid bases 29. The rigid base 29 is used to support the stationary tank body 16. The wall surface of the water tank main body 16 is provided with toughened glass 30, so that the layering condition in the water tank main body 16 can be observed more conveniently.
The water inlet component comprises a water pump 1, a water inlet 2, a fresh water tank 4, a buoyancy valve 3 and a first valve 5; one end of the water inlet 2 is connected with the water pump 1, and the other end is connected with the buoyancy valve 3; the buoyancy valve 3 is arranged in the fresh water tank 4; the bottom of the fresh water tank 4 is communicated with the bell mouth component through a conduit 6; a first valve 5 is arranged on the conduit 6. The buoyancy valve 3 can ensure that the liquid level of the fresh water tank 4 is kept at a designated position.
The bell mouth assembly comprises a rigid support 32 and a plurality of bell mouths 15 which are fixed on the rigid support 32 and distributed in an array; the bell mouth assembly is in driving connection with a lifting device 13 through a steel cable 14. The bell 15 can be vertically lifted and lowered by the wire rope 14 and suspended at a designated water surface position.
The salting component comprises a brine tank 8, a stirrer 7, a plurality of stirring blades 9 and a second valve 10; the stirrer 7 is connected with the brine tank 8, and the stirring blade 9 is arranged in the brine tank 8 and is in transmission connection with the stirrer 7; the bottom of the brine tank 8 is connected with a liftable water inlet and outlet assembly through a conduit 6; a second valve 10 is arranged on the conduit 6. The brine tank 8 and the agitator 7 cooperate to form brine of uniform density.
The lifting water inlet and outlet assembly comprises a lifting water inlet and outlet 23, a lifting regulator 24 and a conduit 6; the conduit 6 is arranged vertically; the liftable water inlet and outlet 23 is arranged outside the first end of the conduit 6 in a liftable and liftable manner; the lifting adjuster 24 is sleeved outside part of the liftable water inlet and outlet 23 and part of the conduit 6 and is locked to the conduit 6 through the threaded fit of the internal thread and the liftable water inlet and outlet 23; the second end of the conduit 6 is connected with a salting component and a water outlet 18; a third valve 17 is provided on the conduit 6 adjacent the outlet 18.
The heating unit includes a heater 11 and a heating coil 12 connected, and the heating coil 12 is provided on the left side wall surface of the tank main body 16.
The refrigeration assembly comprises a refrigerator 20 and a refrigeration coil 19 which are connected, and the refrigeration coil 19 is arranged on the right side wall surface of the water tank main body 16.
The digital temperature chain 26 comprises a plurality of temperature sensors which are arranged at even intervals along the vertical direction; the distance between two adjacent temperature sensors is 3 cm; the temperature sensor is connected to the multichannel recorder 28.
The digital density chain 27 comprises a plurality of conductivity sensors which are uniformly spaced in the vertical direction; the distance between two adjacent conductivity sensors is 1.5 cm; the conductivity sensor is connected to a multichannel recorder 28.
Before the density and temperature layered simulation experiment water tank device provided by the embodiment of the invention is operated, when brine is injected into the water tank main body 16, the switch of the second valve 10 is opened, the switch of the third valve 17 is closed, and the brine is injected into the water tank main body 16 through the lifting regulator 24 along the guide pipe 6 and the lifting water inlet and outlet 23. When the water is drained, the third valve 17 is opened, the second valve 10 is closed, and the liftable water inlet and outlet 23 is adjusted, firstly, the threaded port of the lifting adjuster 24 is rotated to be loosened, then, the tail end of the conduit 6 in the liftable water inlet and outlet 23 is moved up and down, and after the required drainage level is adjusted, the threaded port of the lifting adjuster 24 is screwed to fix the conduit.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (10)
1. A density and temperature layered simulation experiment water tank device is characterized by comprising a water tank main body, a water inlet assembly, a bell mouth assembly, a lifting device, a salt adding assembly, a heating assembly, a refrigerating assembly, a detachable vertical rod, a digital temperature chain, a digital density chain, a multi-channel recorder and a liftable water inlet and outlet assembly; the bell mouth assembly is suspended on the water surface in the water tank main body in a lifting manner through the lifting device; the water inlet assembly is connected with the bell mouth assembly; the liftable water inlet and outlet assembly is arranged in the water tank main body and is connected with the salt adding assembly and a water outlet; the heating component is connected with the left side wall surface of the water tank main body; the refrigeration component is connected with the right side wall surface of the water tank main body; the detachable upright stanchion is detachably connected in the water tank main body; the detachable upright stanchion is provided with the digital temperature chain and the digital density chain; the digital temperature chain and the digital density chain are connected with the multichannel recorder arranged outside the water tank main body through a data transmission line.
2. The density temperature stratification simulation experiment water tank device according to claim 1, wherein the water tank main body comprises a steel structure and a plurality of tempered glass fixed to the steel structure; the tempered glass is arranged on the periphery of the water tank main body, and the outer sides of at least two pieces of tempered glass are provided with graduated scales; the bottom of the water tank main body is provided with a plurality of rigid bases.
3. The density temperature stratification simulation experiment flume apparatus of claim 1, wherein the water inlet assembly comprises a water pump, a water inlet, a fresh water tank, a buoyancy valve, and a first valve; one end of the water inlet is connected with the water pump, and the other end of the water inlet is connected with the buoyancy valve; the buoyancy valve is arranged in the fresh water tank; the bottom of the fresh water tank is communicated with the bell mouth component through a conduit; the first valve is arranged on the conduit.
4. The density-temperature stratification simulation experiment flume apparatus according to claim 1, wherein the bell mouth assembly comprises a rigid support and a plurality of bell mouths fixed to the rigid support in an array; the bell mouth component is in transmission connection with the lifting device through a steel cable.
5. The density temperature stratification simulation experiment tank device of claim 1, wherein the salting assembly comprises a brine tank, a stirrer, a plurality of stirring blades, and a second valve; the stirrer is connected to the brine tank, and the stirring blade is arranged in the brine tank and is in transmission connection with the stirrer; the bottom of the brine tank is connected with the liftable water inlet and outlet assembly through a conduit; the second valve is disposed on the conduit.
6. The density temperature stratification simulation experiment flume apparatus of claim 1, wherein the liftable water inlet and outlet assembly comprises a liftable water inlet and outlet, a lifting adjuster and a conduit; the conduit is arranged vertically; the liftable water inlet and outlet is sleeved outside the first end of the conduit in a liftable manner; the lifting regulator is sleeved outside part of the liftable water inlet and outlet and part of the conduit and is in threaded fit with the liftable water inlet and outlet through internal threads to lock the conduit; the second end of the conduit is connected with the salting component and the water outlet; a third valve is arranged on the conduit close to the water outlet.
7. The density-temperature stratification-simulating water tank installation according to claim 1, wherein the heating assembly includes a heater and a heating coil connected to each other, the heating coil being disposed on a left side wall surface of the tank main body.
8. The density-temperature stratification simulation experiment water tank device according to claim 1, wherein the refrigeration assembly comprises a refrigerator and a refrigeration coil connected with each other, and the refrigeration coil is disposed on a right side wall surface of the water tank body.
9. The density temperature stratification simulation experiment flume apparatus of claim 1, wherein the digital temperature chain comprises a plurality of temperature sensors, the temperature sensors being evenly spaced along a vertical direction; the distance between two adjacent temperature sensors is 3 cm; the temperature sensor is connected with the multichannel recorder.
10. The density temperature stratification simulation experiment flume apparatus of claim 1, wherein the digital density chain comprises a plurality of conductivity sensors, the conductivity sensors being evenly spaced along a vertical direction; the distance between two adjacent conductivity sensors is 1.5 cm; the conductivity sensor is connected with the multi-channel recorder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210128558.2A CN114486172A (en) | 2022-02-11 | 2022-02-11 | Density temperature layering simulation experiment water tank device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210128558.2A CN114486172A (en) | 2022-02-11 | 2022-02-11 | Density temperature layering simulation experiment water tank device |
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| CN114486172A true CN114486172A (en) | 2022-05-13 |
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| CN202210128558.2A Pending CN114486172A (en) | 2022-02-11 | 2022-02-11 | Density temperature layering simulation experiment water tank device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116148145A (en) * | 2023-01-10 | 2023-05-23 | 中国地质大学（北京） | Physical deposition simulation experiment device and experiment method for geological feature research |
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| CN116148145B (en) * | 2023-01-10 | 2024-04-02 | 中国地质大学（北京） | Physical deposition simulation experiment device and experiment method for geological feature research |
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