c= 0.00281 n= 1.66; o= 1.29 The Prandtl number, Prw , velocity of water in tubes, Vwa, cross sectional area of tubes, At and Reynolds number of water flowing through the tubes, Rew are given by: (39) (40) (41) (42) Equating the thermal energy gain of the water via advection to the heat transferred to the tube, an ordinary differential can be obtained of the form: (43) to solve for the water outlet temperature by integration. Similarly the air side enthalpy balance can be cast as an ODE by using the following equation to replace Ta,exit: (44) The ODE obtained to solve for the air outlet temperature is: (45)
c= 0.00281 n= 1.66; o= 1.29 The Prandtl number, Prw , velocity of water in tubes, Vwa, cross sectional area of tubes, At and Reynolds number of water flowing through the tubes, Rew are given by: (39) (40) (41) (42) Equating the thermal energy gain of the water via advection to the heat transferred to the tube, an ordinary differential can be obtained of the form: (43) to solve for the water outlet temperature by integration. Similarly the air side enthalpy balance can be cast as an ODE by using the following equation to replace Ta,exit: (44) The ODE obtained to solve for the air outlet temperature is: (45)
Final%20Draft-pacc.docx