Abstract
In this study, the performance validation of a PAO-AIR heat exchanger developed for the ECS(Environmental Control System) of a UAV(Unmanned Aerial Vehicle) has been carried out. The performance goals of a PAO-AIR heat exchanger were established by the system schematic analysis. And a heat exchanger to be met the ECS performance was developed by a detailed design and a precision manufacture. Using the developed heat exchanger, the experiment about pressure loss and effectiveness, overall heat transfer coefficient to prove the developed PAO-AIR heat exchanger performance in various conditions as well as a design point of heat exchanger was performed and the experimental results were analyzed. As the experimental results, the performance and characteristic of a PAO-AIR heat exchanger developed for the ECS of a UAV were analyzed and the development suitability was proved.
본 연구는 무인항공기의 환경제어계통에 적용되는 PAO-공기 열교환기에 대한 성능검증에 관한 것으로, 계통에 대한 성능분석을 통해 열교환기 성능목표를 설정하고 상세설계와 정밀제작을 통해 목표성능에 부합되는 열교환기를 개발하였다. 개발된 PAO-공기 열교환기의 성능을 입증하기 위해 열교환기의 설계점 외에 다양한 시험조건에 대한 압력손실과 열전달 유용도, 총괄열전달계수 등에 대해 시험을 수행하였다. 수행된 결과를 바탕으로, 무인항공기용 환경제어계통에 적용된 PAO-공기 열교환기의 성능과 특성을 분석하여 개발적합성에 대해 검증하였다.