가스터빈 엔진의 대기온도 변화에 따른 연소시간에 관한 연구

Analysis of Combustion Time Based on Atmospheric Temperature Variations of a Gas Turbine Engine

In this study, the combustion instability of a gas turbine engine and the associated combustion delay time were analyzed on the basis of atmospheric temperature variations. A power generating device for combat equipment, which is currently being used in the military, was employed as the gas turbine engine. One of the primary functions of combat equipment is to fully demonstrate maneuverability, and the role and importance of power generating devices for ensuring such maneuverability has always been emphasized on. Additionally, to secure the reliability of the power generation device’s starting performance, it is necessary to stabilize various parameters such as the initial starting stability of the engine, the operation rate, and the output power. Owing to the combustion instability caused by seasonal temperature variations, the gas turbine engine employed in this study is one of the important problematic factors affecting engine performance, durability, and operation. Consequently, in several cases, normal operation and usage of the engine were restricted owing to repeated cases. Hence, in this study, the maneuverability and reliability of the equipment were improved by analyzing the changes in combustion time based on atmospheric temperature variations. Furthermore, the operational environment of the equipment is also summarized in this study.