Development of a System for Cooling Inlet Air for Gas Turbine using Fogging System

This report discusses the Development of a system for Cooling Inlet Air for Gas Turbine
using Fogging system. Fogging system is one of the methods to cool inlet air for
increasing the power output of gas turbines. During hot weather, power plant can
produce less amount of power compared to cold condition. This is due to the decreases
in air density hence less mass flow rate. The objective of this project is to study the gas
turbine operating parameters when using the inlet fogging and calculating the mass flow
rate of water needed to cool down the air inlet temperature near to the wet bulb
temperature. Moreover, this project focuses on finding the best way to reduce the
ambient temperature to the predicting compressor air inlet temperature. However, the
overspray fogging or wet compression is not cover in this report. It needs some
extensive studies. In this study, the temperature of air inlet is about 360 K and the air
outlet is about 297 K. With the total amount of water is about 2.048 kg/s, it succeeded to
cool down the airflow until 297 K. The operating parameters that used in this report
were chosen based on research done through journals especially from MeeFog
Industries. Then, this airflow was validated by using Computational Fluid Dynamics
(CFD). This is to show the differences in air temperature during fogging process.