Compound-Cycle Gas-Turbine Engines for Offshore Oil and Gas Platforms

Abstract

The problem of determining the efficiency gained with the use of gas-turbine engines (GTE) functioning with compound cycles for off-shore oil and gas platforms is considered. The article focuses on the use of a turbocharger that comprises an overexpansion turbine, heat exchanger, and booster compressor. An increase in the effective efficiency over a broad range of engine operating conditions is established based on a study of a GTE of the proposed design. It is shown that a GTE with turbo-compressor exhaust system is able to generate thermal energy in significant volumes and is a cogeneration-type power plant that functions with high thermal efficiency.