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Description: Overall heat transfer coefficient calculation on a tube.

Equations/Symbols:


Calculate:
Insert outter tube diameter (D_o), inner tube diameter (D_i), tube lenght (L), outter tube heat exchange area (A_o), inner tube heat exchange area (A_i), outter heat transfer coefficient (h_o), inner heat transfer coefficient (h_i), outter fouling factor (R_f,o),inner fouling factor (R_f,i), outter fin efficiency (η_o), inner fin efficiency (η_i), tube thermal conductivity (k) and press 'Calculate'.

D_o (m): D_i (m): L (m): A_o (m²): A_i (m²): h_o (W/m².K): h_i (W/m².K): R_f,o (m².K/W): R_f,i (m².K/W): η_o (-): η_i (-): k (W/m.K):

Thermal resistances: Rconv,o=0.90950432 K/W Rconv,i=0.05305040 K/W Rcond=0.00006133 K/W Rfouling,o=0.01591633 K/W Rfouling,i=0.00954907 K/W Rtot=0.9881 K/W	Overall heat transfer coefficient: UA=1.0121 W/K Uo=46.0238 W/m2K

Heat Transfer Research Group - HTRG
University of Sao Paulo - USP