The effect of inserts on heat transfer, drainage and gas cleaning efficiency of plastic exchangers

Abstract

The performance is studied of a compact plastic heat exchanger to which plastic inserts are added. Drop size distributions are relatively unaffected by the inserts, as is the condensate mass flux. Heat transfer is increased by about 20% because of increased convection. Estimates are provided of the main length scales to facilitate the prediction of pressure drop and heat transfer. The gas cleaning efficiency of the exchanger is mainly determined by the equilibrium concentration that can be reached in the condensate. With several exchang ers in a row the condensate temperature can be suffi ciently reduced to reach a high cleaning efficiency

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This paper was published in NARCIS .

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