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Submarine hydrothermal plume acoustic detection simulation device and method

A technology for simulating device and plume, which is applied in measurement devices, scientific instruments, material analysis using sonic/ultrasonic/infrasonic waves, etc. Implementing problems such as quantitative detection of seabed plumes to achieve the effect of low production cost and simple structure

Pending Publication Date: 2022-02-18
SECOND INST OF OCEANOGRAPHY MNR
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Based on the fact that the acoustic impedance changes caused by the existence of hydrothermal fluid and suspended particles in the hydrothermal plume flow will lead to the enhancement of acoustic scattering of the hydrothermal plume flow, it has been widely concerned by marine scientists at home and abroad, but only given Some qualitative conclusions, technical parameters related to quantitative detection are not yet clear, and quantitative detection of submarine plumes has not yet been implemented

Method used

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  • Submarine hydrothermal plume acoustic detection simulation device and method
  • Submarine hydrothermal plume acoustic detection simulation device and method
  • Submarine hydrothermal plume acoustic detection simulation device and method

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Embodiment 1

[0045] Refer to attached figure 1 , making a submarine hydrothermal plume acoustic detection simulation device, including: water pump 1.1, water storage tank 1.2, shunt casing 1.3, support seat 1.4, temperature nozzle 1.5, long side slide rail 2.1, slide block 2.2, short side slide rail 2.3, slide rail connector 2.4, lifting rod 3.1, connecting plate 3.2, quick release clamp 3.3, acoustic transducer fixture 3.4, acoustic transmitting transducer 3.5, acoustic receiving transducer 3.6, data acquisition bin 4.1, data control The processing unit 4.2, the first data transmission cable 4.3, the second data transmission cable 4.4 and the third data transmission cable 4.5.

[0046] Such as figure 2 As shown, the splitter sleeve 1.3 is a double-layer sleeve structure, the inner layer simulates the central fluid of the rising hydrothermal plume flow, and the fluid temperature and diffusion speed are the highest. One end of the splitter sleeve 1.3 is connected to the water pump outlet,...

Embodiment 2

[0055] Refer to attached Figure 6 , the present invention also provides a method for acoustically detecting and simulating submarine hydrothermal plumes, the specific steps are as follows:

[0056] Step (1): Device Assembly

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Abstract

The invention discloses a submarine hydrothermal plume acoustic detection simulation device and method. A hydrothermal simulation jet device simulates and sprays a simulated hydrothermal plume; a rail and a connecting device are rectangular and are used for mounting a vertical rod heaving device; the vertical rod heaving device is in sliding connection with the rail and connecting device, a probe locking device is mounted on the vertical rod heaving device, and the probe locking device comprises an acoustic transducer and an acoustic transducer clamp; the acoustic transducer is mounted on the vertical rod heaving device through the acoustic transducer clamp; the data control processing unit collects simulated plume temperature data of a temperature nozzle and acoustic signal data of an acoustic receiving transducer and controls the frequency and waveform of acoustic signals transmitted by an acoustic transmitting transducer. The device is suitable for research on the acoustic response mechanism of the submarine hydrothermal plume, can quantitatively and visually analyze the influence of different factors on hydrothermal plume acoustic detection, and is widely suitable for scientific research of a submarine hydrothermal system.

Description

technical field [0001] The invention belongs to the technical field of ocean detection, and specifically refers to an acoustic imaging simulation experiment device and method of a seabed hydrothermal plume flow. Background technique [0002] The modern submarine hydrothermal system and its related phenomena are one of the most important discoveries in the natural sciences in the 20th century, and they are also one of the hot and frontier topics in current international earth science and life science research. As a channel connecting the deep part of the earth and the surface of the seabed, submarine hydrothermal vents widely occur in areas with unstable geological structures on the seabed, such as mid-ocean ridges, back-arc basins, and intraplate volcanoes. They are the main channels for energy exchange between the crust and the ocean. place. The performance of hydrothermal vent activities is that high-temperature hydrothermal fluid is ejected from the seabed and mixed with...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N29/028G01N29/30
CPCG01N29/028G01N29/30G01N2291/022Y02A90/30
Inventor 张国堙陶春辉朱淼
Owner SECOND INST OF OCEANOGRAPHY MNR
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