Review on Heat Exchangers with Different Geometries and Flow Arrangement
Keywords:Heat exchangers, flow arrangement, recuperative heat exchangers, monotube HEX, double tube HEX.
A heat exchanger is a device that enables heat from one fluid (liquid or gas) to be transferred to some other fluid (liquid or gas) without the two fluids mixing or coming into direct contact. The various sorts of fluid flows in different types of heat exchanging systems are discussed in this paper.Heat exchangers can be found in a variety of locations, generally working to warm up or cool buildings or to improve the efficiency of engines and machineries. Refrigerators and air conditioners, for example, use heat exchangers in the opposite way that central heating systems do: they remove heat from a chamber or room that isn't needed and pump it away in a fluid to another location that can be dropped out of the way. The refrigerating fluid is completely enclosed within a series of channels, so it never comes into direct contact with the air: it extracts heat energy from the air inside and dumps it in the air outside, but it never mixes with it.
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