円管内の層流熱輸送に及ぼす粘性の変化の影響について

概要

論文の詳細を見る
On the problem of the heat transfer to a fluid flowing with the laminar velocity distribution through a circular pipe, at a section of which the surface temperature changes discontinuously from T_0 to T_1,the effects of the variation of the viscosity due to the temperature t are treated. It is assumed approximately μ=1/(A+Bt), and the temperature distribution on which the viscosity of the fluid depends is taken the average in an direction of the axis, and put approximately. t=T_0+(T_1-T_0) r^2/a^2 The dissipation terms are neglected and the thermal constants except the viscosity are assumed to be independent of the temperature. Under these assumptions the equation for the temperature is solved. sa a supplemet it is shown that the effect of the natural convection to the heat transfer in the vertical pipe is calculated in the same manner.
一般社団法人日本機械学会の論文
1951-10-20