낮은 프란틀수를 가지는 유체의 원관 입구 층류유동 및 열전달Lmainar flow and heat transfer of the fluid with low prandtl number in the entrance region of a circular pipe

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The flow of fluid with low prandtl number in the entrance region of a circular pipe has been considered, where the wall temperature is maintained to be constant. A finite difference method is used for the integral form of the governing equations in order that they satisfy the conservative properties of the numerical solutions. It is confirmed that the hydrodynamic entrance length and be divided into growing boundary layer region and fully viscous region, which is compared with existing results obtained by using boundary layer approximations. By assuning the developing velocity profile in the entrance region, the thermal entrance length is estimated and the local Nusselt number is obtained at various locations along the axial dirction.
Publisher
대한기계학회
Issue Date
1981-01
Language
Korean
Citation

대한기계학회논문집 A, v.5, no.4, pp.284 - 292

ISSN
1226-4873
URI
http://hdl.handle.net/10203/14901
Appears in Collection
AE-Journal Papers(저널논문)
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