Dependence of the critical heat flux at boiling on the coolant physical properties |
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Authors: | I I Gogonin |
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Institution: | (1) Kutateladze Institute of Thermophysics SB RAS, Novosibirsk, Russia |
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Abstract: | It has been experimentally proved that heat transfer at boiling appears to be the problem with the conjugated boundary conditions.
Heat transfer and critical heat fluxes at boiling depend both on physical properties of the boiling liquid and on the number
of characteristics of the heat transferring wall.
Various experimental data of the problem of boiling liquid with various physical properties have been analysed. To eliminate
or minimize influence of the properties of the cooled wall on the value of critical heat transfer, the data obtained at boiling
on the thick cooled wall only from the stainless steel or nichrome are considered. To eliminate effect of capillary forces
specific linear size of heat transferring wall satisfied the condition ≥ 2.0. |
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Keywords: | boiling critical heat flux physical properties of the coolant |
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