p. 213-216
Inverted gas turbines work and generate shaft force power by the principle that hot exhaust gas expands through turbine, then cools off and drafts by compression. It is possible that steam turbines currently used in the combined cycle may be replaced by the inverted gas turbines with higher thermal efficiency. Micro turbines can be made by this method to improve difficulty of heat exchanger exposed in high temperature gas. The possibility of applications of the present principle will cover fuel cells, furnaces and gasification plant of liquid natural gas.