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

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...

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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.

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