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ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1988, Vol. 9 ›› Issue (6): 299-302.

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AN EXPLICIT EXPRESSION OF THE TURBULENT FRICTIONAL DRAG COEFFICIENT FOR A FLAT PLATE

Shi Changchun   

  1. Beijing University
  • Received:1987-09-12 Revised:1900-01-01 Online:1988-06-25 Published:1988-06-25

Abstract: This paper presents some analytic expressions associated with those well-known skin-friction formulas for turbulent shear flows. Two methods were developed for this aim. The first one is an approximated analytic solution for the same super-algebraic equation; And the second one is a method of iteration and its convergence has been proven. The skin-friction formula of D.B.Spalding has also been improved in the present work.