Characteristics of the ice and thermal regimes of hydroelectric stations and pumped-storage stations

Gotlib, Ya. L.

doi:10.1007/bf01424911

Cited by 2 publications

(3 citation statements)

References 6 publications

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“…The basis for modelling the process of water cooling in a tank of non-height type is the heat balance equation of the system under study [14]:…”

Section: Methodsmentioning

confidence: 99%

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Calculating water column height in the aboveground part of a low-altitude tank at abnormally low ambient temperatures

Neufeld,

Asmankin,

Ushakov

et al. 2023

E3S Web of Conf.

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The relevance of the study is confirmed by the widespread use of water tanks in rural settlements and farms in which ice forms inside the tank at abnormally low ambient temperatures, leading to a failure in the water supply system. The mathematical model is based on the heat balance equation, which takes into account the heat exchange of water with the ground and air through the separating metal wall, as well as heat transfer from water to air under the tank roof. Taking into account the low-potential energy of the ground, the paper presents a method for calculating the temperature of water in a non-height type tank of a given volume and radius. It allows to select the minimum height of its underground part to ensure uninterrupted water supply at average statistical values of ambient temperature and wind speed, registered in the region of research. The functions of the tank underground and above-ground part’s heights from the argument of its total volume to prevent the appearance of ice on the inner surface of the tank are graphically illustrated. The possibility of applying the method to determine the maximum water level in the above-ground part when the period of zero consumption is passed is indicated.

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“…The basis for modelling the process of water cooling in a tank of non-height type is the heat balance equation of the system under study [14]:…”

Section: Methodsmentioning

confidence: 99%

“…where: The formula for determining the convective heat transfer between the water surface and air is [14]:…”

Section: Methodsmentioning

confidence: 99%

Calculating water column height in the aboveground part of a low-altitude tank at abnormally low ambient temperatures

Neufeld,

Asmankin,

Ushakov

et al. 2023

E3S Web of Conf.

View full text Add to dashboard Cite

show abstract

“…More than 220 pumped-storage power plants (PSPP) have been built up to present days [1][2][3][4][5][6][7][8][9][10][11][12][13][14], and a lot of them still operate under cold winter conditions.…”

Section: Introductionmentioning

confidence: 99%