Laminar Boundary Layer in the Entrance Region of a Circular Pipe (the Journal and the Transactions of the Japan Society of Mechanical Engineers)

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概要

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• Boundary layer in the entrance region of a circular pipe is calculated using the Karman-Pohlhausen method. Velocity distribution in the boundary layer is approximated by a quartic. The coefficients of the quartic are the function of the K, which is a function of the acceleration of the core flow. The momentum equation is integrated approximately, and the results are represented by the polynomials. The results are compared with the values which are calculated by other's theoretical solutions, and also with those from the Nikuradse's experiment.

• 一般社団法人日本機械学会の論文

著者

• Hishida Mikio

  Faculty Of Engineering Niigata University

関連論文

• Laminar Boundary Layer in the Entrance Region of a Circular Pipe (the Journal and the Transactions of the Japan Society of Mechanical Engineers)
• Turbulent Heat Transfer and Temperature Distribution in the Thermal Entrance Region of a Circular Pipe
• Temperature Distribution in the Entrance Region of a Circular Pipe

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