What is the main function of an anti-icing system in gas turbines?

The main function of an anti-icing system in gas turbines is to prevent ice formation on engine components. Ice can accumulate on various parts of the engine, especially in the inlet, which can disrupt airflow, hinder performance, and lead to potential engine damage. The anti-icing system helps maintain the necessary temperature and conditions in the engine components to avoid ice build-up, ensuring smooth operation and optimal performance in cold weather conditions.

In contrast, improving fuel combustion efficiency focuses on optimizing how fuel is burned in the engine, which is unrelated to ice formation. Enhancing air intake temperature might help with engine performance but does not specifically address the issue of icing. Finally, reducing emissions in cold weather pertains to environmental concerns and the combustion process, which also does not address the specific need for preventing ice from impacting the engine's mechanical performance.