//Variable declaration: T1 = 15.0 //Water entering temperature (°C) T2 = 60.0 //Water leaving temperature (°C) D = 0.022 //Inside diameter of tube (m) V = 0.355 //Average water flow velocity (m/s) TC = 150.0 //Outside wall temperature (°C) //From Appendix: p = 993.0 //Density of water (kg/m^3) mu = 0.000683 //Dynamic viscosity of water (kg/m.s) Cp = 4.17*10**3 //Heat capacity of water (J/kg.K) k = 0.63 //Thermal conductivity of water (W/m.K) //Calculation: Tav1 = (T1+T2)/2.0 //Average bulk temperature of water (°C) Re = D*V*p/mu //Reynolds number Pr = Cp*mu/k //Prandtl number Tav2 = (Tav1+TC)/2.0 //Fluid's average wall temperature (°C) //From Appendix: mu_w = 0.000306 //Dynamic viscosity of fluid at wall (kg/m.s) //From Table 9.5: h = (k/D)*0.027*Re**0.8*Pr**0.33*(mu/mu_w)**0.14 //Heat transfer coefficient for water (W/m^2.K) //Result: printf("The heat transfer coefficient for water is : %.1f W/m^2.K.",h)