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대한설비공학회 설비공학논문집 空氣調和·冷凍工學 論文集 제10권 제5호
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    초록·키워드

    The convection heat transfer on horizontal circular tube is studied as a conjugated heat transfer problem. With uniform heat generation in a cylindrical heater placed in a cross flow boundary condition, heat flow that is conducted along the wall of the heater creates a non-isothermal surface temperature and non-uniform heat flux distribution. In the present investigation, the effects of circumferential wall heat conduction on convection heat transfer are investigated for the case of forced convection around horizontal circular tube in cross flow of air and water. Non-dimensional conjugation parameter K^* which can be deduced from the governing energy differential equation should be used to express the effect of circumferential wall heat conduction. Two-dimensional temperature distribution Tω(r,θ) is presented. The influence of circumferential wall heat conduction is demonstrated on graph of local Nusselt number.

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      UCI(KEPA) : I410-ECN-0101-2010-553-001512875