Another type of heat exchanger, which is specifically designed to realize a
large heat transfer surface area per unit volume, is the compact heat exchanger.
The ratio of the heat transfer surface area of a heat exchanger to its
volume is called the area density . A heat exchanger with 700 m2/m3
(or 200 ft2/ft3) is classified as being compact. Examples of compact heat
exchangers are car radiators ( 1000 m2/m3), glass ceramic gas turbine
heat exchangers ( 6000 m2/m3), the regenerator of a Stirling engine
( 15,000 m2/m3), and the human lung ( 20,000 m2/m3). Compact heat
exchangers enable us to achieve high heat transfer rates between two fluids in
Another type of heat exchanger, which is specifically designed to realize alarge heat transfer surface area per unit volume, is the compact heat exchanger.The ratio of the heat transfer surface area of a heat exchanger to itsvolume is called the area density . A heat exchanger with 700 m2/m3(or 200 ft2/ft3) is classified as being compact. Examples of compact heatexchangers are car radiators ( 1000 m2/m3), glass ceramic gas turbineheat exchangers ( 6000 m2/m3), the regenerator of a Stirling engine( 15,000 m2/m3), and the human lung ( 20,000 m2/m3). Compact heatexchangers enable us to achieve high heat transfer rates between two fluids in
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