AIR COOLER EXCHANGER MOTOR DUTY CALCULATION

DEAR SIR,

PLEASE CLARIFY ME THAT, HOW TO CALCULATE THE MOTOR DUTY/POWER(KW) FOR AIR COOLED HEAT EXCHANGER (FOR DIFFERENT SERVICES)

PLEASE PROVIDE ME THE FORMULA FOR THE CALCULATION
IN DETAIL.

THANK YOU.

Hello Shabeer

This is little outside the normal sort of question that is submitted to the forum. I would need more information, such at the torque required and the speed of the motor. I would also need to know more details of the gearbox, if there is one.