Aircraft cabin thermal control strategy based on adaptive temperature and thermal sensation

An Environment Control System (ECS) in civil aircraft will control the cabin thermal environment with constant temperature control strategy. However, the passenger dress, heat loads will change with the flight process. This constant control strategy cannot satisfy these dynamic requirements and faces the challenge. An aircraft cabin thermal control strategy based on adaptive temperature and thermal sensation evaluation is presented in this paper to solve this question. The new thermal control strategy includes initial and accurate control strategies, which individually control the thermal environment. For the night flight mode, the initial control strategy with a constant supply air temperature is used to control the cabin thermal environment according to the adaptive temperature. For the day time, the accurate control strategy with a dynamic supply air temperature is used to control the cabin thermal environment according to the thermal sensation of passenger. This new control strategy can ensure passengers in the aircraft cabin to have a comfortable thermal sensation under different flight times and seasons.