CN107422032A - A kind of submarine hydrothermal solution plume acoustics imaging analogue means and method - Google Patents
A kind of submarine hydrothermal solution plume acoustics imaging analogue means and method Download PDFInfo
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- CN107422032A CN107422032A CN201710736518.5A CN201710736518A CN107422032A CN 107422032 A CN107422032 A CN 107422032A CN 201710736518 A CN201710736518 A CN 201710736518A CN 107422032 A CN107422032 A CN 107422032A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/02—Analysing fluids
- G01N29/028—Analysing fluids by measuring mechanical or acoustic impedance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
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Abstract
The invention discloses a kind of submarine hydrothermal solution plume acoustics imaging analogue means and method.The device is included using acoustic window material processing, the reaction warehouse in cylinder；There are at least three coaxial with reaction warehouse and nested arrangement simulation fluid nozzles, simulation fluid nozzle is provided with some delivery ports with bottom end cover contact surface on the outside of reaction warehouse bottom end cover；Each corresponding sample bin of simulation fluid nozzle, is connected, conduit is provided with water pump by conduit；Sample bin holds the water of different temperatures and particle concentration, the simulation fluid as submarine hydrothermal solution plume；Image sonar is placed in the top of reaction warehouse or side.The device can be used for the acoustic picture of simulated sea bottom Hydrothermal plumes, so as to reach the adjustment to submarine hydrothermal solution plume acoustic sounding method and parameter.The present invention is applied to the acoustic sounding technique study of submarine hydrothermal solution plume, can quantify, the acoustic response of intuitively simulated sea bottom Hydrothermal plumes.The present invention can be generally applicable in the scientific research of Deep-sea Hydrothermal System.
Description
Technical field
The invention belongs to marine survey technology field, is related to a kind of submarine hydrothermal solution plume acoustics imaging analogue means and side
Method.
Background technology
Submarine hydrothermal activity is a kind of natural phenomena in seabed, and submarine hydrothermal solution system is as a kind of global geology
Phenomenon is lithosphere with hydrosphere in mid-oceanic ridge spreading center, island arc, back-arc spreading center and plate activity centre occurs material and
The product of energy exchange, it is to connect Earth and the conduit of ocean.The Hydrothermal plumes that hydrothermal solution and sea water mixing are formed, are ground
The important behaviour form of ball deep material output, it is significant for earth's lithosphere and the circulation of the material of ocean.Hydrothermal solution
Plume is the important window of Deep-sea Hydrothermal System, and Hydrothermal plumes are related to physical oceanography, Marine Geology and marine organisms
Multiple ambits, are the direct objects of current submarine hydrothermal activity research, and the detection to hot liquid feather stream attribute is understanding sea
The important channel of bottom hydrothermal activity, therefore, the Detection Techniques of Hydrothermal plumes are research contents important at present.At present, for
The detection mode of Hydrothermal plumes mainly has two kinds, first, utilizing the temperature of sensor detection Hydrothermal plumes, turbidity, oxidation
The physicochemical properties such as reduction potential and methane, it is derived from the attributive character of Hydrothermal plumes；Second, caught using deposit
The particulate matter that device collects Hydrothermal plumes is obtained, thus infers the particulate matter attributive character of Hydrothermal plumes.Both approaches are all deposited
In an inferior position, the dynamic change of Hydrothermal plumes can not be intuitively and effectively observed, it is impossible to directly effective to determine hot liquid feather
The three-dimensional structure of stream, it is difficult to the scale of accurate measuring and calculating Hydrothermal plumes, can not be accurate to the developmental condition of submarine hydrothermal activity
Description.
At present, domestic and international Marine Sciences family expenses acoustic sounding method has carried out the detection study of Hydrothermal plumes, but only
Only it is qualitatively to describe, the technical parameter of quantitative detection is still not clear, quantitative detection not yet is implemented to submarine hydrothermal solution plume.
The content of the invention
The purpose of the present invention is in view of the shortcomings of the prior art, there is provided a kind of submarine hydrothermal solution plume acoustics imaging simulation dress
Put and method, progress acoustic sounding submarine hydrothermal solution plume are tested, obtain the acoustic scattering mechanism and sound of submarine hydrothermal solution plume
Learn quantitative detection method.
The principle of the present invention, Hydrothermal plumes contain suspended particulate substance and high temperature fluid, its acoustic impedance characteristic and the back of the body
The acoustic impedance characteristic of scape seawater is different.Under normal circumstances, sound wave is propagated in the seawater, due to the impedance of water body basic one
Causing, scattered signal is weaker, when sound wave runs into plume, acoustic impedance significant change, scattered signal enhancing.The sound of Hydrothermal plumes
It is exactly by the change for the scattered signal for measuring water body to learn detection, recycles information extraction technology, obtains the three of Hydrothermal plumes
Tie up structure.Pass through experimental provision, the particularly correlation tested between the three-dimensional structure of plume and echo scattered signal, hydrothermal solution
The acoustic scattering response characteristic of the different attributes such as high temperature fluid and particulate matter in plume, opening relationships model.
The present invention is achieved by following technical proposals：
A kind of submarine hydrothermal solution plume acoustics imaging analogue means, including use acoustic window material processing, in the anti-of cylinder
Ying Cang；There is at least three coaxial with reaction warehouse and nested arrangement simulation fluid nozzles, analog stream on the outside of reaction warehouse bottom end cover
Body shower nozzle is provided with some delivery ports with bottom end cover contact surface；Each corresponding sample bin of simulation fluid nozzle, is led by liquid
Pipe connects, and liquid conduits are provided with water pump；Sample bin holds the water of different temperatures and particle concentration, as submarine hydrothermal solution pinniform
The simulation fluid of stream；Image sonar is placed in the top of reaction warehouse or side；Fluid is simulated under the driving of water pump, by liquid
Conduit erupts upwards to fluid nozzle is simulated, by delivery port, simulation fluid jet head sets into some runners distinguish from inside to outside
Simulation rises the different layers position of Hydrothermal plumes, and the reaction warehouse simulation at center rises the core flow of Hydrothermal plumes, central shaft
Fluid temperature (F.T.), particle concentration and the diffusion velocity highest at place, peripheral fluid temperature (F.T.), particle concentration and diffusion velocity are gradual
Reduce, thus emulate the disperse state of submarine hydrothermal solution plume.
Further, the side wall of the reaction warehouse is provided with liquid feed valve and liquid valve, liquid feed valve connection inlet channel, liquid valve
Drainage pipeline is connected, the background seawater injected by liquid feed valve to reaction warehouse around the Fluid Dynamics Hydrothermal plumes of different temperatures.
Further, temperature sensor is respectively mounted in each sample bin and monitors the temperature that fluid is simulated in sample bin in real time,
And the bubble in air pump emulation submarine hydrothermal solution plume is connected by air conduit.
Further, described image sonar is that broad beam acoustic emission receives test with receiving sonar, progress acoustic emission,
Receive the sound scattering echo-signal that fluid is simulated in reaction warehouse.
Further, water pump and the rotating speed of air pump can step-by-step adjustment, the flow velocity of several water pumps and air pump adjusts
To Gaussian distributed, using the flow velocity at reaction warehouse bottom end cover center as maximum speed, from center, flow velocity diminishes step by step laterally.
A kind of submarine hydrothermal solution plume acoustics imaging analogy method, comprises the following steps：
(1) keep concentration consistent, some sample bins import the liquid of the suspended particulate substance of different temperatures, carry out acoustic scattering
Experiment, test temperature changes the influence to acoustic scattering parameter, using the temperature step Changeement backscattering of certain stepping
The response of intensity, influence of the analysis temperature abnormal fluid to acoustic scattering；
(2) keeping temperature is constant, and some sample bins import the liquid of the suspended particulate substance of various concentrations, carries out acoustic scattering
Experiment, analyzes the change of backscatter parameters, by the change of different scattering boundaries, is dissipated with testing suspended particulate substance with acoustics
Relation between penetrating；
(3) the actual change mechanism of temperature abnormal fluid and suspended particulate matter concentration in submarine hydrothermal solution plume is emulated, with
The rising of fluid, fluid temperature (F.T.) is constantly reduced with suspended particulate matter concentration, simulated in reaction warehouse, and both research is right
The changing rule of acoustic scattering contribution.
Further, by adjusting the speed of water pump, the experiment of acoustic sounding fluid diffusion velocity is carried out.The present invention's is beneficial
Effect：
(1) flexibility：Fluid is simulated using different sample bin storages, simulates temperature, flow velocity and the suspension of fluid
The concentration of grain thing, by the regulation of this three parameters, simulation can be advantageous to not with the different qualities of combine analog Hydrothermal plumes
Acoustic scattering with attribute responds, and pointedly tests the acoustic scattering characteristic of single attribute；
(2) stability：Reaction warehouse is provided with liquid feed valve and liquid valve, can keep simulating the continuous running of fluid, obtain
The simulation plume of dynamic stability, be advantageous to acoustics experiment of the long period to simulation plume；
(3) convenience：Each part of device can be recycled, convenient to repeat to test.
The present invention is applied to submarine hydrothermal solution plume acoustic sounding simulation experiment study, can be to the acoustics of Hydrothermal plumes
Characterisitic parameter carries out quantitative simulation test.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is reflection chamber structure schematic diagram；
Fig. 3 is a kind of submarine hydrothermal solution plume acoustics imaging analogy method flow chart；
In figure：Image sonar 1, reaction warehouse 2.1, liquid feed valve 2.2, liquid valve 2.3, reaction warehouse bottom end cover 2.4, first are simulated
Fluid nozzle 2.5, second simulate fluid nozzle the 2.6, the 3rd simulate fluid nozzle 2.7, temperature monitor 3.1, air pump 3.2,
Temperature sensor cable and air pump pipeline 3.3, first simulate fluid sample bin 3.4, second and simulate fluid sample bin 3.5, the
Three simulation fluid sample bins 3.6, the first water pump 3.7, the second water pump 3.8, the 3rd water pump 3.9, the first conduit 3.10, the second conduit
3.11st, the 3rd conduit 3.12.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
Referring to the drawings 1, make a kind of submarine hydrothermal solution plume acoustics imaging analogue means, using use three sample bins as
Example, it includes：Image sonar 1, reaction warehouse 2.1, liquid feed valve 2.2, liquid valve 2.3, reaction warehouse bottom end cover 2.4, the first analog stream
Body shower nozzle 2.5, second simulates fluid nozzle 2.6, the 3rd simulation fluid nozzle 2.7, temperature monitor 3.1, air pump 3.2, the
One simulation fluid sample bin 3.4, second simulate fluid sample bin the 3.5, the 3rd simulate fluid sample bin 3.6, the first water pump 3.7,
Second water pump 3.8, the 3rd water pump 3.9, the first conduit 3.10, the second conduit 3.11, the 3rd conduit 3.12；Reaction warehouse 2.1 uses
Acoustic window material is processed, in cylinder；Image sonar 1 is hung above reaction warehouse 2.1 or side, carries out acoustic emission and receives survey
Examination, receive the sound scattering echo-signal of fluid in reaction warehouse；The side wall of reaction warehouse 2.1 is provided with liquid feed valve 2.2 and liquid valve
2.3, liquid feed valve 2.2 connects inlet channel, and liquid valve 2.3 connects drainage pipeline, injected by liquid feed valve 2.2 to reaction warehouse 2.1
Background seawater around the Fluid Dynamics Hydrothermal plumes of different temperatures；Referring to the drawings 2, have on the outside of reaction warehouse bottom end cover three with
Reaction warehouse is coaxial and the simulation fluid nozzle of nested arrangement, is respectively from outside to inside：First simulation fluid nozzle 2.5, the second mould
Fluid analogy shower nozzle the 2.6, the 3rd simulates fluid nozzle 2.7；Simulation fluid nozzle is provided with some with the contact surface of reaction warehouse bottom end cover 2.4
Delivery port；First simulation fluid sample bin 3.4 is simulated fluid sample bin 3.4 with first and is connected by the first conduit 3.10, the
One conduit 3.10 is provided with the first water pump 3.7；The second simulation simulation of fluid nozzle 2.6 and second fluid sample bin 3.5 passes through the
Two conduits 3.11 are connected, and the second water pump 3.8 is provided with the second conduit 3.11；3rd simulation fluid nozzle 2.7 and the 3rd is simulated
Fluid sample storehouse 3.6 is connected by the 3rd conduit 3.12, and the 3rd water pump 3.9 is provided with the 3rd conduit 3.12；Sample bin is held
The water of different temperatures and particle concentration, the simulation fluid as submarine hydrothermal solution plume；Temperature is respectively mounted in each sample bin
Sensor monitors the temperature that fluid is simulated in sample bin in real time, and each sample bin connects air pump 3.2 by air conduit and emulated
Bubble in submarine hydrothermal solution plume；All temperature sensor cut-in temperature monitors 3.1；Simulate driving of the fluid in water pump
Under, by liquid conduits to fluid nozzle is simulated, erupted upwards by delivery port, simulation fluid jet head sets into some runners by
Simulation rises the different layers position of Hydrothermal plumes respectively from inside to outside, and the reaction warehouse simulation at center rises the center stream of Hydrothermal plumes
Body, fluid temperature (F.T.), particle concentration and the diffusion velocity highest of central axis, peripheral fluid temperature (F.T.), particle concentration and expansion
Scattered speed gradually reduces, and thus emulates the disperse state of submarine hydrothermal solution plume.
In the present embodiment, reaction warehouse 2.1 is cylinder, and a diameter of 1500mm, first simulates fluid nozzle 2.5, the second mould
The diameter that fluid analogy shower nozzle 2.6 and the 3rd simulates fluid nozzle 2.7 is respectively 600mm, 400mm and 200mm, and parameter is unlimited
In such a selection.
Embodiment 2
Referring to the drawings 3, a kind of submarine hydrothermal solution plume acoustics imaging analogy method, specific steps include：
Step 1：Device assembles
The part of the devices such as reaction warehouse, sample bin, shower nozzle, temperature sensor, air pump, water pump and conduit is assembled, and
The liquid feed valve 2.2 in coupled reaction storehouse 2.1 is to inlet channel, and the liquid valve 2.3 in coupled reaction storehouse 2.1 is to drainage pipeline, by entering
Liquid valve 2.2 to reaction warehouse 2.1 inject water at low temperature, then, turn on the power, water pump and air pump 3.2 are started working, simulation fluid and
Air is input in sample bin, according to experiment demand, by temperature, concentration and the water pump and air pump that adjust simulation fluid
3.2 speed, above analogue means or image sonar 1 is placed in side.Prepare three kinds of different temperatures, the liquid of various concentrations
Body, such as the water body of 20 DEG C, 50 DEG C and 80 DEG C three kinds of different temperatures, using the particulate matters such as fine sand be configured to 1%, 3% and
The liquid of 5% concentration.Three kinds of different temperatures and concentration liquids are injected separately into the simulation of the first simulation fluid sample bin 3.4, second
Simulate in fluid sample bin 3.6 in fluid sample storehouse 3.5 and the 3rd.When carrying out emulation experiment, 2 DEG C are imported by liquid feed valve 2.2
Water body, and exported by liquid valve 2.3 to discharge outlet, open air pump 3.2, the first water pump 3.7, the second water pump 3.8 and
3rd water pump 3.9, simulation fluid is imported in reaction warehouse 2.1 and starts to test, can be by adjusting air pump in experimentation
3.2nd, the first water pump 3.7, the second water pump 3.8 and the 3rd water pump 3.9 so that air bubble content and diffusion velocity in simulation fluid
Change, carry out targetedly acoustics imaging and test.
Step 2：Experiment parameter is adjusted
(1) keep concentration consistent, three sample bins import the liquid of the suspended particulate substance of different temperatures, carry out acoustic scattering
Experiment, test temperature changes the influence to acoustic scattering parameter, using the temperature step Changeement backscattering of certain step pitch
The response of intensity, influence of the analysis temperature abnormal fluid to acoustic scattering；
(2) keeping temperature is constant, and three sample bins import the liquid of the suspended particulate substance of various concentrations, carry out acoustic scattering
Experiment, analyzes the change of backscatter parameters, by the change of different scattering boundaries, is dissipated with testing suspended particulate substance with acoustics
Relation between penetrating；
(3) the actual change mechanism of temperature abnormal fluid and suspended particulate matter concentration in submarine hydrothermal solution plume is emulated, with
The rising of fluid, fluid temperature (F.T.) is constantly reduced with suspended particulate matter concentration, simulated in reaction warehouse, and both research is right
The changing rule of acoustic scattering contribution；
(4) in addition, speed by adjusting water pump, can carry out the experiment of acoustic sounding fluid diffusion velocity.
Step 3：Experiment is completed
After the completion of experiment, power supply is closed, the simulation fluid cleared up in reaction warehouse and sample bin, each portion of cleaning analogue means
Part, dry ventilation and preserve.
It should be noted that：Above example only to illustrate the present invention techniqueflow rather than it is limited, although
The present invention is described in detail with reference to above-described embodiment, those of ordinary skills in the art should understand that：Still may be used
Modified or equivalent substitution with the embodiment to the present invention, and repaiied without departing from any of spirit and scope of the invention
Change or equivalent substitution, it should cover among scope of the presently claimed invention.
Claims (7)
1. a kind of submarine hydrothermal solution plume acoustics imaging analogue means, it is characterised in that including being processed, in circle using acoustic window material
The reaction warehouse of cylindricality；There are at least three coaxial with reaction warehouse and nested arrangement simulation fluid sprays on the outside of reaction warehouse bottom end cover
Head, simulation fluid nozzle are provided with some delivery ports with bottom end cover contact surface；Each corresponding sample bin of simulation fluid nozzle, leads to
Liquid conduits connection is crossed, liquid conduits are provided with water pump；Sample bin holds the water of different temperatures and particle concentration, as seabed
The simulation fluid of Hydrothermal plumes；Image sonar is placed in the top of reaction warehouse or side；Fluid is simulated under the driving of water pump,
By liquid conduits to fluid nozzle is simulated, erupted upwards by delivery port, simulation fluid jet head sets into some runners by interior
Outwards simulation rises the different layers position of Hydrothermal plumes respectively, and the reaction warehouse simulation at center rises the center stream of Hydrothermal plumes
Body, fluid temperature (F.T.), particle concentration and the diffusion velocity highest of central axis, peripheral fluid temperature (F.T.), particle concentration and expansion
Scattered speed gradually reduces, and thus emulates the disperse state of submarine hydrothermal solution plume.
2. submarine hydrothermal solution plume acoustics imaging analogue means according to claim 1, it is characterised in that the reaction warehouse
Side wall be provided with liquid feed valve and liquid valve, liquid feed valve connection inlet channel, liquid valve connection drainage pipeline, by liquid feed valve to anti-
Answer the background seawater around the Fluid Dynamics Hydrothermal plumes of storehouse injection different temperatures.
3. submarine hydrothermal solution plume acoustics imaging analogue means according to claim 1, it is characterised in that each sample bin
In be respectively mounted temperature sensor monitor in real time in sample bin simulate fluid temperature, and pass through air conduit connect air pump emulate
Bubble in submarine hydrothermal solution plume.
4. submarine hydrothermal solution plume acoustics imaging analogue means according to claim 1, it is characterised in that described image sound
Test is received with receiving sonar, progress acoustic emission for broad beam acoustic emission, receives the sound wave that fluid is simulated in reaction warehouse
Scatter echo signal.
5. submarine hydrothermal solution plume acoustics imaging analogue means according to claim 1, it is characterised in that water pump and air
The rotating speed of pump can step-by-step adjustment, the flow velocity of several water pumps and air pump is adjusted to Gaussian distributed, with reaction warehouse lower end
The flow velocity at lid center is maximum speed, and from center, flow velocity diminishes step by step laterally.
6. a kind of submarine hydrothermal solution plume acoustics imaging analogy method, it is characterised in that comprise the following steps：
(1) keep concentration consistent, some sample bins import the liquid of the suspended particulate substance of different temperatures, and it is real to carry out acoustic scattering
Test, test temperature changes the influence to acoustic scattering parameter, strong using the temperature step Changeement backscattering of certain stepping
The response of degree, influence of the analysis temperature abnormal fluid to acoustic scattering；
(2) keeping temperature is constant, and some sample bins import the liquid of the suspended particulate substance of various concentrations, and it is real to carry out acoustic scattering
Test, analyze the change of backscatter parameters, by the change of different scattering boundaries, to test suspended particulate substance and acoustic scattering
Between relation；
(3) the actual change mechanism of temperature abnormal fluid and suspended particulate matter concentration in submarine hydrothermal solution plume is emulated, with stream
The rising of body, fluid temperature (F.T.) are constantly reduced with suspended particulate matter concentration, simulated in reaction warehouse, and both research is to acoustics
The changing rule of contribution of scatters.
7. submarine hydrothermal solution plume acoustics imaging analogy method according to claim 6, it is characterised in that by adjusting water
The speed of pump, carry out the experiment of acoustic sounding fluid diffusion velocity.
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| CN108508446A (en) * | 2018-03-28 | 2018-09-07 | 青岛海洋地质研究所 | Fan-shaped transform method based on cold seepage imaging data |
| CN111537764A (en) * | 2020-05-14 | 2020-08-14 | 南京昊控软件技术有限公司 | Correlation acoustic water flow velocity measuring device |
| CN114062487A (en) * | 2021-11-19 | 2022-02-18 | 自然资源部第二海洋研究所 | Submarine hydrothermal plume acoustic detection simulation device and method |
| CN115014707A (en) * | 2022-08-04 | 2022-09-06 | 长沙矿冶研究院有限责任公司 | Test platform capable of simulating acquisition and discharge of seabed mining system and simulation test method |
| CN115035779A (en) * | 2022-05-16 | 2022-09-09 | 自然资源部第二海洋研究所 | Deep sea hydrothermal system broadband seismic physical simulation system and method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508446A (en) * | 2018-03-28 | 2018-09-07 | 青岛海洋地质研究所 | Fan-shaped transform method based on cold seepage imaging data |
| CN111537764A (en) * | 2020-05-14 | 2020-08-14 | 南京昊控软件技术有限公司 | Correlation acoustic water flow velocity measuring device |
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| CN114062487B (en) * | 2021-11-19 | 2023-12-12 | 自然资源部第二海洋研究所 | Submarine hydrothermal plume acoustic detection simulation device and method |
| CN115035779A (en) * | 2022-05-16 | 2022-09-09 | 自然资源部第二海洋研究所 | Deep sea hydrothermal system broadband seismic physical simulation system and method |
| CN115035779B (en) * | 2022-05-16 | 2024-04-05 | 自然资源部第二海洋研究所 | Broadband earthquake physical simulation system and method for deep sea hydrothermal system |
| CN115014707A (en) * | 2022-08-04 | 2022-09-06 | 长沙矿冶研究院有限责任公司 | Test platform capable of simulating acquisition and discharge of seabed mining system and simulation test method |
| CN115014707B (en) * | 2022-08-04 | 2023-01-13 | 长沙矿冶研究院有限责任公司 | Test platform capable of simulating acquisition and discharge of seabed mining system and simulation test method |
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| Publication number | Publication date |
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| CN107422032B (en) | 2018-06-15 |
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