Calculation Methodology Performance calculation Given: Th in, Tcin, h, mc, hX geometry Find h out Icout, q Solution method: NTU Design problems: Iven hin2 hout or Find: Tou(or Thout), g, A Solution method: lMTD Heat Transfer Su Yongkang School of Mechanical EngineeringHeat Transfer Su Yongkang School of Mechanical Engineering # 10 Calculation Methodology • Performance calculation: Given: Find: Solution method: NTU • Design problems: Given: Find: Solution method: LMTD Th,in , Tc,in , m  h , m  c , HX geometry Th,out , Tc,out , q , , , , (or ) Th,i n Tc,i n mh mc Th,out Tc,out   (or ), q, A Tc,out Th,out