Importance

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Abstract

A recuperator for use in transferring heat from gas turbine exhaust gases to compressed air inlet gases before combustion. The recuperator utilizes a plurality of planar or curved layers filled with metal wire mesh and bounded by thin metal sheets to form a heat exchanger having high effectiveness, low weight, and low pressure drop. The use of wire is a unique feature of the recuperator that makes it significantly low-cost compared with the prior art. Accordingly, the recuperator presented herein may be incorporated into a micro- or mini-turbine system for electric power generation or for developing thrust in airborne vehicles, aircraft, and helicopters.

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First Claim