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탑승자 쾌적성 향상을 위한 국부 근접 A/C 시스템 개발
이동규(Dongkyu Lee),권대복(Daebok Keon),우상구(Sanggu Woo),이성제(Sungje Lee),안용남(Yongnam Ahn),박재우(Jaewoo Park) 한국자동차공학회 2017 한국자동차공학회 부문종합 학술대회 Vol.2017 No.5
A single module A/C system is developed through application of compact and light-weight components. This module is designed to get more than 300 W cooling performance by using a small electric compressor. Furthermore, this cooled air is discharged to each passenger’s seat to improve passengers’ thermal comfort. Above all, it can be completely independent and individually controlled to meet the air conditioning requirements for individuals effectively.
공회전 제한장치 차량용 축냉 열교환기의 성능에 대한 연구
이대웅(Daewoong Lee),권대복(Daebok Keon),정석제(Sukjae Chung),정춘식(Chunshik Jeong),왕윤호(Yoonho Wang) 한국자동차공학회 2014 한국자동차공학회 학술대회 및 전시회 Vol.2014 No.11
ISG system for the fuel economy and emission is very useful technology in the recent automobile industrial. However, when engine stop, air-conditioning system don"t work due to compressor stop arise from passenger"s thermally dis-comfort. This study represented the cold storage system applied cold storage heat-exchanger integrated with evaporator. The experiments were conducted for optimum cold storage heat-exchanger design with different refrigerant flow pass, fin height and density, phase change materials in the heatexchanger. Also the cold storage release performance are examined effect on the ambient temperature and supplying air flow volume rate. The visualization of phase change material freezing and melting process inside cold storage heat-exchanger are conducted. The experimental results, air discharge temperature of cold storage system applied optimum cold storage heat-exchanger is 116 second delay to reach the 18°C set on the cabin comfort temperature range than current air-conditioning system. Finally, cold storage heat-exchanger integrated with evaporator is effective solution for ISG vehicles, to keep the thermal comfort in the cabin when short period of engine stop.