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A measurement and analysis method for calculating the measured wave friction coefficient based on wave energy flux

A friction coefficient, measurement and analysis technology, applied in the field of marine engineering, can solve problems that have not yet been applied, and achieve the effects of avoiding mutual interference, compact structure, and convenient operation

Active Publication Date: 2022-07-26
CHINA SHIP SCIENTIFIC RESEARCH CENTER (THE 702 INSTITUTE OF CHINA SHIPBUILDING INDUSTRY CORPORATION)
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the past, the estimated wave friction coefficient was often used in model tests, but it has not been applied to field measurements. Therefore, it is necessary to establish an analysis method for the measured wave friction coefficient caused by seabed friction.

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  • A measurement and analysis method for calculating the measured wave friction coefficient based on wave energy flux
  • A measurement and analysis method for calculating the measured wave friction coefficient based on wave energy flux
  • A measurement and analysis method for calculating the measured wave friction coefficient based on wave energy flux

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Embodiment Construction

[0046] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings.

[0047] combine Figure 1-Figure 9 As shown in the present embodiment, a method for measuring and analyzing the measured wave friction coefficient based on wave energy flux is disclosed, and its flow chart is as follows: figure 1 shown, including the following steps:

[0048] Step 1: Select a shallow water area near the shore that is flat or with a gentle slope (that is, no wave breakage occurs) as the test area, and the flow velocity of the test area is less than or equal to 0.1m / s.

[0049] Step 2: Layout the measuring points in the test area, and arrange at least two measuring points.

[0050] The measuring point layout adopts the form of straight line arrangement perpendicular to the shoreline. figure 2 and image 3 The layout of three measuring points and five measuring points is shown as an example. In order to reduce the mutual inte...

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Abstract

The invention discloses a measurement and analysis method for calculating the measured wave friction coefficient based on wave energy flux, and relates to the technical field of marine engineering. Layout of measuring points, and at least two measuring points are arranged; directional tide gauges are deployed at each measuring point; the measurement is carried out, and the continuous measurement time covers the ebb and flow of one day; after the measurement is completed, the directional tide gauge is recovered; the measured data is read And carry out effectiveness analysis; calculate the wave friction coefficient caused by seabed friction based on the wave energy flux model. The measurement and analysis method is simple, clear, practical and effective, and is suitable for the calculation and analysis of the wave friction coefficient of different types of seabed in shallow water areas.

Description

technical field [0001] The invention relates to the technical field of marine engineering, in particular to a measurement and analysis method for calculating the measured wave friction coefficient based on wave energy flux. Background technique [0002] Wave attenuation occurs when waves travel from deep or confined areas to shallow waters due to the effects of friction (including infiltration) on the seabed. Different forms of seabed substrate, such as sediment, silt, sandstone or coral reefs, will cause wave attenuation characteristics, such as wave spectrum attenuation slope, spectrum width and spectrum peak distribution, etc., will have great differences, the overall reflection Friction at the bottom results in a difference in the coefficient of wave friction. In the past, the estimated wave friction coefficient was often used in model tests, but it has not been used in field measurements. Therefore, it is necessary to establish an analysis method for the measured wave ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M10/00G06F30/20G06F17/14G06F17/11G06F111/10
CPCG01M10/00G06F30/20G06F17/11G06F17/142G06F2111/10Y02A10/40
Inventor 刘小龙蔡志文孙泽陈文炜俞俊丁军叶永林
Owner CHINA SHIP SCIENTIFIC RESEARCH CENTER (THE 702 INSTITUTE OF CHINA SHIPBUILDING INDUSTRY CORPORATION)