http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
황지현(J. H. Hwang),정찬세(C. S. Jeong),고주현(J. H. Ko),양순용(S. Y. Yang) 유공압건설기계학회 2013 드라이브·컨트롤 Vol.10 No.2
The excavator is used in a variety of construction environments. There are many kinds of risk like falling rocks or harmful dust. The excavator cabin protects the operator not only from these harmful environments but also provides a comfortable working environment. By the way, the excavator cabin consumes a lot of energy for cabin air conditioner. For this reason, the research is required to reduce energy consumption. This study suggests the air conditioning system for excavator using forced exhaust. First, the forced exhaust system simulated by AMESim tool and surveyed the applicability. Using AMESim simulation, it was investigated the effect of cabin inside temperature by intake flow rate and intake air temperature. The experiment executed using the 1.5 ton excavator and field tested according to the intake flow rate. Finally, verified the applicability on the air conditioning system for excavator using forced exhaust.
정찬세(C. S. Jeong),고주현(J. H. Ko),이형욱(H. U. Lee),양순용(S. Y. Yang) 유공압건설기계학회 2012 유공압건설기계학회 학술대회논문집 Vol.2012 No.6
Recently, environmental problem issued widely so the EV technology and HEV technology have taken the limelight. EV and HEV reduce the exhaust gas and environmental pollution material. Because driven motor or engine and motor. So EV and HEV are good for environment pollution. But car air conditioner still use R-134A refrigerant. R-134A refrigerant air conditioner is low efficiency and not good for environment. Because low efficiency and not good for environment, many researcher study CO2 air conditioner. CO2 air conditioner is kind of heat pump system and operate cooling and heating using only one system. The cooling and the heating depend on the refrigerant direction. In this paper describe the design and manufacturing of performance tester for CO2 air conditioner direction switching valve.