ısı transferi tabloları, Schemes and Mind Maps of Heat and Mass Transfer

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Conduction shape factors $ for several configurations for use in Q= KS T, — T,) to determine the steady rate of heat transfer through a medium of thermal conductivity k between the surfaces at temperatures T, and T, (1) [sothermal cylinder of length L (2) Vertical isothermal cylinder of length L buried ina semi-infinite medium buried in a semi-infinite medium T. (L>>D and z > LSD) (L>>D) £ T dal | eet __ tal In (42/D) : | sa oa In(4Z/D) (3) Two parallel isothermal cylinders (4) A row of equally spaced parallel isothermal placed in an infinite medium oa cylinders buried in a semi-infinite medium (L>> Dy, Dy, 2) (L>> D,z, andw > 15D) ‘ Ink je 2 woe 2 J - j A a8 : uf 2" san b > cosh mD w : : L 2D,D, ‘ ‘A oF: er: (per cylinder) LUGE cpters im of ak dacedritad (5) Circular isothermal cylinder of length L (6) Circular isothermal cylinder of length L in the midplane of an infinite wall at the center of a square solid bar of the (2 >0.5D) same length -— 2H. _—_ 2a In(S2/mD) In (1.08w/D)