Water to be cooled-to-air contact system is film-type, splash-type or a combination of the two, depending on the properties of the water being circulated and the space available. Fan units operate under forced draft conditions, with blower fans installed at the bottom of the tower, or under induced draft conditions with suction fans installed at the top of the cooling tower. The combinations to be made are many and all equally reliable. The arrangement shall be selected which better meets the customers needs in terms of technical and economic requirements.
Wet bulb calculation