Cooling Water Principle

The Principle of Cooling Water
Simple Heat Transfer.

A. Heat Exchanger are used for industrial process cooling.
Common Measurement of Heat: A BTU is the amount of heat required to raise the temperature of 1 lb of water 1 oF.

B. The Fundamental of Cooler
Why water use as cooling media?

Available in huge amount, easy to get and cheap

• Easy to operate
• Can bring heat in a huge capacity ( cp = 1 kcal/kg.oC)
• Expansion degree and contraction smaller compare with the temperature increase.
• No compromise

Fundamental of Cooling Water
Why water can not perfect as cooling media?
The weakness of water contain of impurities;

• Suspended Solid
• Dissolved Solid
• Dissolved gas

Water Source:

• Surface Water
• Ground Water
• Sea Water