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June 2014 (published: 01.06.2014)
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UDC 536.25, 536.24
Experimental studying is free – convective cooling of the heatloaded surfaces
Danin V.V., Tsvetkov O.B. , Krektunov O.P., Semashko S.E.
The description of the experimental stand for studying of a local and average thermolysis is provided. The analysis of existing literary data on free convection at vertical warmed plates and pipes is carried out. It is shown that at free convection according to a number of works 70% can reach distinction of coefficients of a thermolysis. Rather low-studied question is the thermolysis at vertical pipes, especially at a turbulent mode of a current of air. Authors of article conducted research of free convection at vertical warmed and cooled single pipes under boundary conditions of the third sort for the subsequent validation of three-dimensional settlement codes.
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free convection; vertical surface; heat exchange.
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