Heat Transfer on Vertical Double Pipes in Velocity Entry Length

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説明

Simple calculations on heat transfer by the theory of boundary layer in the case where free convection and laminar flow coexist at the same time in the velocity entry length of vertical double pipes with annular space heated from inner pipe are performed. In this paper, (I) the temperature distribution and velocity distribution are represented by Bessel functions, (2) f0 (z) the temperature distribution of inner pipe wall is considered. (3) Gauss' method in the numerical integration is applied. These are very convenient in the numerical calculations for Tables of Bessel functions and Gauss' method with high accuracy can be utilized. The theoretical results coincide very well with the experimental results of water heated from the inner pipe.

収録刊行物

  • Bulletin of JSME

    Bulletin of JSME 4 (14), 347-351, 1961

    一般社団法人 日本機械学会

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