Method for coastal power plant thermal discharge prediction by utilizing actually-measured surface heat transfer coefficient

A technology of surface heat dissipation coefficient and coastal power plant, applied in the field of environmental engineering, can solve problems such as weak comprehensive heat dissipation coefficient of water surface

Inactive Publication Date: 2015-07-01
OCEAN UNIV OF CHINA +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There is very little research on whether the comprehensive heat dissipation coefficient of the water surface, which determines whether the temperature and drainage calculation results are correct or not, is reasonable, and whether the hydrometeorological conditions of the proposed power plant are suitable.

Method used

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  • Method for coastal power plant thermal discharge prediction by utilizing actually-measured surface heat transfer coefficient
  • Method for coastal power plant thermal discharge prediction by utilizing actually-measured surface heat transfer coefficient
  • Method for coastal power plant thermal discharge prediction by utilizing actually-measured surface heat transfer coefficient

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Embodiment 1

[0042] This embodiment proposes to build a temperature discharge outlet for the Binhai Power Plant, including the following steps:

[0043] 1. Collect topography near the research area, observe marine hydrological data, and obtain on-site meteorological observation data;

[0044] The on-site meteorological observation data obtained is as follows: using a self-recording small weather station to obtain, and the sampling frequency is 1 time / s;

[0045] The sampling data of the self-recording small-scale weather station includes: air temperature, air humidity, light intensity, wind speed, rainfall, atmospheric pressure, evaporation, and the research area map is as follows: figure 1 shown;

[0046] 2. Use the above data to establish the hydrodynamic model of the research area, which includes the temperature transport equation;

[0047] 3. Solve the heat dissipation coefficient sequence of the temperature and drainage surface within the measurement period through the temperature d...

Embodiment 2

[0078] The coastal power plant of this embodiment is an established power plant, which includes the following steps:

[0079] 1. Collect topography near the research area, observe marine hydrological data, and obtain on-site meteorological observation data;

[0080] The on-site meteorological observation data obtained is as follows: using a self-recording small weather station to obtain, and the sampling frequency is 1 time / s;

[0081] The sampling data of the self-recording small-scale weather station include: air temperature, air humidity, light intensity, wind speed, rainfall, atmospheric pressure, evaporation; research areas such as Image 6 shown;

[0082] 2. Use the above data to establish the hydrodynamic model of the research area, which includes the temperature transport equation;

[0083] 3. Solve the heat dissipation coefficient sequence of the temperature and drainage surface within the measurement period through the temperature drop process of the temperature an...

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Abstract

The invention discloses a method for coastal power plant thermal discharge prediction by utilizing the actually-measured surface heat transfer coefficient, belongs to the field of environmental engineering, and particularly relates to a method for coastal power plant thermal discharge prediction to acquire the surface heat transfer coefficient. The method specifically includes: collecting meteorological measuring data; establishing a hydrodynamic model in a study area; calculating the sequence of the thermal discharge surface heat transfer coefficient in a measurement time interval; brining the thermal discharge surface heat transfer coefficient to a temperature transport equation of the hydrodynamic model; measuring the scope of influence by power plant thermal discharge. The method has the advantages that a novel method for actually measuring the surface heat transfer coefficient is provided, and the method for coastal power plant thermal discharge prediction by utilizing the actually-measured surface heat transfer coefficient is achieved. Meanwhile, the invention provides a surface heat transfer measuring device.

Description

technical field [0001] The present invention uses the measured surface heat dissipation coefficient to predict the temperature and drainage of coastal power plants, and belongs to the field of environmental engineering, in particular to the method for obtaining the surface heat dissipation coefficient by performing meteorological observation in the coastal temperature discharge area on site. Background technique [0002] In recent years, with the construction of coastal nuclear power plants and thermal power plants, the temperature and drainage of power plants have been discharged into coastal waters, which has gradually highlighted the problem of marine thermal pollution. At present, the relatively mature environmental impact assessment methods for thermal (nuclear) power plant thermal drainage include field measurements, physical model tests and numerical simulation calculations. Numerical simulation method is favored by power plant construction units and design units beca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q50/06
CPCY04S10/50
Inventor 迟万清胡泽建刘建强熊丛博张永强边淑华李霞
Owner OCEAN UNIV OF CHINA
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