A Study On Entry Temperature And Aerodynamics Loading For Increased Performance Of Gas Turbine

Naim, Saim (2005) A Study On Entry Temperature And Aerodynamics Loading For Increased Performance Of Gas Turbine. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Gas turbine performance depends on the inlet temperature of high pressure turbine. This study is on how the inlet temperature can be improved while maintaining the outlet temperature, and if possible to decrease the outlet temperature to a certain degree. Educational gas turbine ET794 is used as a case study. Experimentally, the gas turbine efficiency is about 25.7 percent. It is also found that the outlet temperature will also increased when the inlet temperature is increased at the high pressure turbine. A proposed design involves regenerating the gas turbine system. Heat exchanger is used in this design. Air leaving the exhaust is reused in the system by flowing it into the heat exchanger. The outlet temperature from the compressor will be mixed with the outlet temperature from the exhaust in the heat exchanger to produce high temperature for burning process. Simulation of the proposed design is done using CFD software. The data from both initial system and proposed design are fed into the program. The results show some improvement on the gas turbine performance the thermal efficiency.

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