Challenges for Gas Turbines in Sustained Moisture Environments

Understanding the air quality challenges that can lower gas turbine and compressor performance in tropical locations or areas susceptible to high levels of moisture and how to remedy these challenges to maximise efficiency and profitability.

Overview - Sustained Moisture-min

Free moisture removal is the greatest challenge in tropical locations or environments with sustained high moisture and humidity.

This can be exacerbated through torrential rains, fogs, and mists. Removing all free moisture is essential to providing an optimum level of protection and to reduce the risk of particles absorbing the moisture.

This can lead to particles swelling and blocking filter media pores, which in turn increases pressure drop with the potential of differential pressure spiking.


A multi-stage system with appropriate free moisture removal is essential in this environment.

Each filtration stage should make a positive contribution to remove the free moisture from the intake air, including the final filter, which should repel water with an appropriate filter media and have efficient drainage.

This will protect the gas turbine by stopping water passing through the filter system, extending the life of expensive engine components, and increasing gas turbine efficiency and availability.

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