Classification of Heat Exchangers
1.Based on principle of operation heat exchangers (a) Recuperative (b) Regenerative (c) Direct contact In recuperative type of heat exchangers, cold and hot fluid flow through the unit without mixing with each other. The transfer of heat occurs through the metal wall. Examples of recuperative heat exchangers are boilers, heaters, coolers, vaporizers, condensers etc. Regenerative type of heat exchangers same heating surface is alternately exposed to hot and cold fluid. Heat associated with hot fluid is stored or absorbed by pickings or solids. The hot fluid supply is then shut…
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