Flow structure and combined free and forced convective heat transfer in rotating curved pipe
Flow structure and combined free and forced convective heat transfer in rotating curved pipe
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发表时间：
2002
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通讯作者：
C. Hua
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作者：
C. Hua
当旋转弯管内温度变化引起流体密度变化时，哥氏力、离心力和离心力都有助于二次流的产生。这些体积力的非线性相互作用使流动特性复杂化。本文对自由对流与强制对流的联合换热和流动特性进行了数值研究。给出了不同的科里奥利力与离心力之比F、Rossby数R_o_
When a temperatureinduced variation of fluid density occurs in a rotating curved pipe, Corlolis force, centrifugaltype buoyancy force and centrifugal force could contribute to the generation of the secondary flow. The nonlinear interaction of these body forces complicate the flow characteristics. A numerical study on combined free and forced convective heat transfer and flow characteristics are made on this paper. the variations of flow and temperature field structure , the friction factor ratio, the Nusselt number ratio on different F(the ratio of Coriolis force and centrifugal forces ),Ro (the Rossby number), and RaΩ(the rotating Reyleigh number) are shown.