CN203531055U - Novel water supply system of interval wave experiment water trough - Google Patents
Novel water supply system of interval wave experiment water trough Download PDFInfo
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- CN203531055U CN203531055U CN201320572270.0U CN201320572270U CN203531055U CN 203531055 U CN203531055 U CN 203531055U CN 201320572270 U CN201320572270 U CN 201320572270U CN 203531055 U CN203531055 U CN 203531055U
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Abstract
The utility model relates to a novel water supply system of an internal wave experiment water trough. The water supply system comprises a first tank body, a second tank body, the experiment water trough and a control unit. According to profile density distribution information formed according to needs of the experiment water trough, flow of a peristaltic pump between the tank bodies at each moment is calculated, the peristaltic pump is controlled to pump liquid into a mixing water tank according to preset flow so that the liquid can be mixed, mixed water is injected into the experiment water trough, and profiles of any densities are obtained in the experiment water trough. Therefore, besides profiles of two-layer densities and profiles of linear layered densities, layered water of the profiles of any densities can be conveniently and quickly prepared, and the novel water supply system has a great significance in interval wave experiment researches of physical sea laboratories.
Description
Technical field
The utility model belongs to internal wave of ocean technical field, specifically, is to be related to a kind of internal wave simulation tank water system.
Background technology
Internal wave of ocean is important mesoscale phenomenon in ocean, and it is to connect the intermediate link that large scale is transmitted to small Scale energy, is played an important role in whole physical oceanography is studied.Carrying out internal wave simulation due to the scarcity of observational data, in laboratory turns into a kind of important channel of ripple in research, and various factors can be isolated processing by it, the generation of interior ripple can be carried out, propagate and the mechanism of declining that disappears etc. research.Wherein layering water is produced and water system determines the ambient field of internal wave simulation research, by configuring the salt solution of different proportion, obtains different density stratifications.
Country internal wave simulation room uses twin-tub method and carries out producing for layering water at present.One is used to deposit fresh water in twin-tub, and another is used to deposit the salt solution of given density, makes the salt of salt water vat accelerate to dissolve and uniformly by agitator.Twin-tub method can be used for the stratified fluid for producing two layers of density profile and linear density section.For producing, it is necessary to fresh water is first put into tank, then salt solution is slowly put into for two layers density profile, salt solution is tried one's best along interface horizontal proliferation, finally reach stable stratification；For producing that linear density is layered, in the case where ensureing that delivery port flow is constant, the tank can voluntarily generate the linear density section pre-set.
Twin-tub method carries out producing for layering water, although simple and convenient and easily operated, but when experiment needs to carry out under the layering of any density profile, can not just be obtained using twin-tub method.In real ocean, its density, with the distribution of depth, is generally not gradual change, but with a very big step, the relation that a series of step, i.e. density and depth are rendered as sometimes is nonlinear.In order to realize the non-linear density profile of any stabilization in laboratory, it is necessary to which Water discharge flow speed is adjusted, but section is more complicated, and the time needed for producing the section is longer, and operation also becomes more complicated.Meanwhile, the twin-tub method that current laboratory is used always is layered overlong time when preparing multilayer layering, and the priority time of every layer of generation is separated by and oversize so that the uniformity of molecule diffusion is different, thus is extremely difficult to a preset density profile.Due to the limitation in technology of preparing, the domestic many internal wave simulations of China are caused not carry out.
Utility model content
The purpose of this utility model is to provide a kind of new internal wave simulation tank water system, and the technical problem of layering of any density profile can not be produced by solving twin-tub method.
In order to solve the above technical problems, the utility model is achieved using following technical scheme：
A kind of new internal wave simulation tank water system, including the first casing, the second casing and experimental trough, connected between first casing and the second casing by water pipe, the pump housing is provided with water pipe, the liquid in the first casing is pumped into the second casing or is mixed to form mixing water after the liquid in the second casing is pumped into the first casing by the pump housing；Connected between first casing and/or the second casing and experimental trough by water pipe, the pump housing is provided with water pipe, the mixing water in the first casing or the second casing is pumped into experimental trough by the pump housing；Water system also includes control unit, and control unit needs the flow of the pump housing between the profile density distributed intelligence to be formed the first casing of control and the second casing according to experimental trough.
Because density is not only determined by salinity, also there is relation with temperature, thus temperature control device is provided with the water pipe between the first casing and/or the second casing and experimental trough.
In order that the water obtained in casing can be mixed rapidly and uniformly, agitating device is provided with the first casing and/or the second casing.
On the one hand, the water pipe of connection experimental trough can be connected to the bottom of experimental trough.
On the other hand, the water pipe of connection experimental trough is connected to the top of experimental trough, and floating object is placed with experimental trough, can reduce due to being mixed caused by waterproof excessive velocities.
In order to be more accurately controlled to water-carrying capacity, the pump housing is peristaltic pump.
Compared with prior art, advantage of the present utility model and good effect are：The utility model establishes a set of new interior ripple tank water system, control unit needs the profile density distributed intelligence to be formed according to experimental trough, calculate the flow of the pump housing between each moment casing, and control peristaltic pump to draw fluid into mixing in mixing tank according to preset flow, again by mixed water injection experimentses tank, the section of any density is realized in experimental trough.Thus, the utility model except can realize two layers and linear stratified density section in addition to, can also conveniently produce the layering water of any density profile, this to physical oceanography laboratory carry out internal wave simulation research have very important significance.
After the detailed description that the utility model embodiment is read in conjunction with the figure, other features and advantage of the present utility model will become clearer.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model specific embodiment 1.
Fig. 2 is the schematic diagram of the utility model specific embodiment 2.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.
Specific embodiment 1：
As shown in figure 1, the present embodiment proposes a kind of new internal wave simulation tank water system, including for carrying the brine tank of salt solution, original state it is loaded with the mixing tank of fresh water and the experimental trough of any density profile can be formed.Wherein, water inlet pipe is provided with brine tank, for adding salt solution into brine tank, connected between brine tank and mixing tank by water pipe, peristaltic pump is provided with water pipe, peristaltic pump forms mixing water after the salt solution in brine tank is pumped into mixing tank, the mixing of fresh water that salt solution is contained with mixing tank original state with default flow.Water inlet pipe is also equipped with the top of mixing tank, fresh water is added into mixing tank for original state, agitating device is provided with mixing tank, salt solution of the water with being pumped into from brine tank in mixing tank in mixing tank can be enable rapidly and uniformly to mix.Connected between mixing tank and experimental trough by water pipe, peristaltic pump is provided with water pipe, the mixing water in mixing tank is pumped into experimental trough by peristaltic pump, the water layer of different densities is formed in experimental trough.
Water system also includes control unit, and control unit needs the profile density distributed intelligence to be formed according to experimental trough, calculates the flow of the peristaltic pump between corresponding moment brine tank and mixing tank, and peristaltic pump is controlled.
Temperature control device is additionally provided with water pipe between mixing tank and experimental trough, it is ensured that the density of the liquid of experimental trough.
The water pipe of connection experimental trough is connected to the bottom of experimental trough.
The method of supplying water of the present embodiment water system comprises the following steps：
Control unit needs the profile density distributed intelligence s (t) to be formed according to experimental trough, the flow for calculating and controlling the salt solution in brine tank to be pumped into mixing tank：
Wherein, s0The concentration of salt in brine tank is represented, s (t) represents the concentration of salt in t experimental trough, Q2Represent the constant flow rate of mixing water inflow experimental trough in mixing tank.
Water in mixing tank is well mixed；
Mixing water in mixing tank is after temperature control device with constant flow rate Q2Flow into experimental trough.
Wherein, the derivation of relational expression is as follows between above-mentioned flow Q (t) and s (t)：
The flow drawn water from brine tank into mixing tank is Q (t).The salinity of tank reclaimed water is s (h) after the completion of finally discharging water, and h is the depth of water, because Q2It is constant basis, and tank is cuboid（Sectional area i.e. at each height of tank is equal）, then s (h) s (t) can be expressed as.There is agitator to be constantly stirred in mixing tank, stirring is enough sufficiently, it is all instantaneously uniform that then the density of the mixing water in mixing tank is each, and the concentration of salt in the salinity in mixing tank, namely t experimental trough is represented with s (t).And then can be equation below by the quality of salt in mixing tank：
Wherein, V represents the volume of the water of initial time in mixing tank.
It is right（1）Differential is carried out, is obtained after arrangement,
（2）
It is right（2）T differential is obtained again,
Pass through（3）Q (t) can be obtained.
Specific embodiment 2：
As shown in Fig. 2 the present embodiment proposes a kind of new internal wave simulation tank water system, including the mixing tank of salt solution and the experimental trough of any density profile of formation are loaded with for carrying the fresh-water tank of fresh water, original state.Wherein, water inlet pipe is provided with fresh-water tank, for adding fresh water into fresh-water tank, connected between fresh-water tank and mixing tank by water pipe, peristaltic pump is provided with water pipe, fresh water in fresh-water tank is pumped into mixing tank by peristaltic pump with default flow, and fresh water forms mixing water after being mixed with the salt solution that mixing tank original state is contained.Water inlet pipe is also equipped with the top of mixing tank, salt solution is added into mixing tank for original state, agitating device is provided with mixing tank, fresh water of the water with being pumped into from fresh-water tank in mixing tank in mixing tank can be enable rapidly and uniformly to mix.Connected between mixing tank and experimental trough by water pipe, peristaltic pump is provided with water pipe, the mixing water in mixing tank is pumped into experimental trough by peristaltic pump, the water layer of different densities is formed in experimental trough.
Water system also includes control unit, and control unit needs the profile density distributed intelligence to be formed according to experimental trough, calculates the flow of the peristaltic pump between corresponding moment fresh-water tank and mixing tank, and peristaltic pump is controlled.
Temperature control device is additionally provided with water pipe between mixing tank and experimental trough, it is ensured that the density of the liquid of experimental trough.
The water pipe of connection experimental trough is connected to the top of experimental trough.Floating object is placed with experimental trough, to reduce due to being mixed caused by waterproof excessive velocities.
The method of supplying water of the present embodiment water system comprises the following steps：
Control unit needs the profile density distributed intelligence s (t) to be formed according to experimental trough, the flow for calculating and controlling the fresh water in fresh-water tank to be pumped into mixing tank：
Wherein, s0The concentration of salt in brine tank is represented, s (t) represents the concentration of salt in t experimental trough, Q2Represent the constant flow rate of mixing water inflow experimental trough in mixing tank.
Water in mixing tank is well mixed；
Mixing water in mixing tank is after temperature control device with constant flow rate Q2Flow into experimental trough.
Wherein, the derivation of relational expression is as follows between above-mentioned flow Q (t) and s (t)：
The flow drawn water from fresh-water tank into mixing tank is Q (t).The salinity of tank reclaimed water is s (h) after the completion of finally discharging water, and h is the depth of water, because Q2It is constant basis, and tank is cuboid（Sectional area i.e. at each height of tank is equal）, then s (h) s (t) can be expressed as.There is agitator to be constantly stirred in mixing tank, stirring is enough sufficiently, it is all instantaneously uniform that then the density of the mixing water in mixing tank is each, and the concentration of salt in the salinity in mixing tank, namely t experimental trough is represented with s (t).And then can be equation below by the quality of salt in brine tank：
Arrangement is obtained,
Thus, obtain Q (t).
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It can still modify to the technical scheme described in foregoing embodiments, or carry out equivalent to which part technical characteristic；And these modifications or replacement, the essence of appropriate technical solution is departed from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (6)
1. a kind of new internal wave simulation tank water system, including the first casing, the second casing and experimental trough, it is characterised in that：Connected between first casing and the second casing by water pipe, the pump housing is provided with the water pipe, the liquid in the first casing is pumped into the second casing or is mixed to form mixing water after the liquid in the second casing is pumped into the first casing by the pump housing；Connected between first casing and/or the second casing and experimental trough by water pipe, the pump housing is provided with the water pipe, the mixing water in the first casing or the second casing is pumped into experimental trough by the pump housing；The water system also includes control unit, and described control unit needs the flow of the pump housing between the profile density distributed intelligence to be formed the first casing of control and the second casing according to experimental trough.
2. new internal wave simulation tank water system according to claim 1, it is characterised in that：Temperature control device is provided with water pipe between first casing and/or the second casing and experimental trough.
3. new internal wave simulation tank water system according to claim 1 or 2, it is characterised in that：Agitating device is provided with first casing and/or the second casing.
4. new internal wave simulation tank water system according to claim 1 or 2, it is characterised in that：The water pipe of the connection experimental trough is connected to the bottom of experimental trough.
5. new internal wave simulation tank water system according to claim 1 or 2, it is characterised in that：The water pipe of the connection experimental trough is connected in the top of experimental trough, the experimental trough and is placed with floating object.
6. new internal wave simulation tank water system according to claim 1 or 2, it is characterised in that：The pump housing is peristaltic pump.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320572270.0U CN203531055U (en) | 2013-09-16 | 2013-09-16 | Novel water supply system of interval wave experiment water trough |
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| CN201320572270.0U CN203531055U (en) | 2013-09-16 | 2013-09-16 | Novel water supply system of interval wave experiment water trough |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103437402A (en) * | 2013-09-16 | 2013-12-11 | 中国海洋大学 | Novel internal wave experimental trough water supply system and method |
| CN104047260A (en) * | 2014-05-27 | 2014-09-17 | 河海大学 | Simulation system for initial layering of water temperature of reservoir |
-
2013
- 2013-09-16 CN CN201320572270.0U patent/CN203531055U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103437402A (en) * | 2013-09-16 | 2013-12-11 | 中国海洋大学 | Novel internal wave experimental trough water supply system and method |
| CN104047260A (en) * | 2014-05-27 | 2014-09-17 | 河海大学 | Simulation system for initial layering of water temperature of reservoir |
| CN104047260B (en) * | 2014-05-27 | 2015-11-18 | 河海大学 | The initial hierarchical simulation system of water temperature of reservoir |
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