Summertime thermal regime of water downstream of the Krasnoyarsk hydroelectric power plant

Summertime hydrothermal regime of the Yenisei River downstream of the Krasnoyarsk hydroelectric power plant is modeled based on a deterministic approach. To that end, the Fourier equation is used and the following physical processes contributing to the heat exchange between water and the surrounding...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2019-05, Vol.537 (6), p.62085
Main Authors: Shaparev, N Ya, Bondarenko, E V
Format: Article
Language:English
Subjects:
Absorption
Fourier's equation
Gaging stations
Heat exchange
Heat loss
Hydroelectric plants
Hydroelectric power
Hydroelectric power stations
Infrared radiation
Power plants
Solar radiation
Surface chemistry
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Summary:Summertime hydrothermal regime of the Yenisei River downstream of the Krasnoyarsk hydroelectric power plant is modeled based on a deterministic approach. To that end, the Fourier equation is used and the following physical processes contributing to the heat exchange between water and the surroundings are taken into consideration: absorption of direct and scattered solar radiation by water, absorption of downwelling thermal infrared radiation from the atmosphere by water surface, thermal infrared radiation back from the water surface, convection of heat and heat loss due to evaporation of water. A clearskies river thermal regime under no wind is studied in a 124-km stream reach below the power plant and the obtained results are compared against temperatures recorded at gauging stations.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/537/6/062085