very low pressure

pressure in pipes, channels etc

atmospheric pressure

difference of pressure between two points

1 kg of dry air

1 cubic meter of dry air

1 kg of wet air

1 cubic meter of wet air

Evaporation

Conduction

Convection

Radiation

30 degree Celsius

20 degree celsius

15 degree celsius

25 degree celsius

difference in temperature of the cold water leaving the cooling tower and the wet bulb temperature of surrounding air

difference in temperature of the cold water and atmospheric temperature

difference in temperature of hot water entering and cold water leaving

amount of heat thrown away by the cooling tower in kcal/hr