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RISS 인기검색어
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- 저자 : 양용군(Yong-Kun Yang) (검색결과 3 건)
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17cc급 자동차용 압축기의 고체윤활 최적화 및 구조 설계에 관한 연구
양용군(Yong-Kun Yang),진진(Zhen Qin),최요한(Yeo-Han Choi),류성기(Sungki Lyu) 한국기계가공학회 2020 한국기계가공학회지 Vol.19 No.12
Fuel economy has always been a major issue in the automobile industry, especially owing to the associated environmental concerns. It is widely known that only 5-20% of the energy generated by automobiles running on internal combustion engine engines is used as power, while the rest is consumed because of friction between components. The main components of the reciprocating piston type compressor used in vehicles, such as the shaft, swash plate, piston, and cylinder, cause severe energy loss owing to frictional contact between each other. The wear contact between the main shaft and the other components is particularly severe. Most quality issues arise owing to the sticking phenomenon that occurs between these parts. In this study, a coating solution to reduce friction is prepared by mixing adhesive solid lubricant, organic binder-polyadimide, inorganic binder (Binder), and graphite in four different ratios, and the best combination is determined.
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17cc급 자동차용 압축기 내구성능 최적화에 관한 연구
양용군(Yong-Kun Yang),우위팅(Yu-Ting Wu),진진(Zhen Qin),류성기(Sung-Ki Lyu) 한국기계가공학회 2021 한국기계가공학회지 Vol.20 No.3
The fuel economy is a key issue for the automotive industry due to environmental concerns. In particular, only 5-20% of the energy generated in a car using an internal combustion engine is used as power, and the remaining energy is dissipated due to friction with other parts. The main components in the reciprocating piston type compressors commonly used in general vehicles include shafts, swash plates, pistons, and cylinders, and severe friction loss occurs due to the contact of these components. Generally, the wear contact is the maximum between the shaft and cylinder and between the piston and swash plate. The friction of these parts may cause quality problems and deteriorate the durability. In this study, to reduce the frictional loss, a prototype with additional coating agents was produced. Moreover, an optimized design was generated, and performance, noise, and durability tests were conducted. A more durable product was successfully obtained.
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17cc급 자동차용 압축기 핵심부품의 구조 안정성에 관한 수치적 연구
양용군(Yong-Kun Yang),우위팅(Yu-Ting Wu),진진(Zhen Qin),류성기(Sung-Ki Lyu) 한국기계가공학회 2021 한국기계가공학회지 Vol.20 No.5
Fuel economy has always been a major issue for the automotive industry due to environmental concerns. In particular, it is known that only 5-20% of the energy generated in a car that mainly uses an internal combustion engine is converted to increase fuel efficiency, many methods have been proposed. Among these methods, weight reduction is most commonly used because it is the simplest and cheapest. Weight is always the main reason for energy consumption, therefore, reducing weight is the best way to increase fuel efficiency while simultaneously saving on material costs. To reduce the weight of a compressor, material substitution is used. However, aluminum (a lighter metal substitute) is more fragile than steel, therefore, structural stability must be verified through testing. In this paper, we performed a 3D analysis to investigate whether aluminum can be used without compromising structural stability. Our investigation included static analysis and thermal analysis. As a result, we found that an aluminum swash plate can be safely applied on a shaft instead of steel; it reduces weight while maintaining stability that is equal to or better than steel.
ScienceON
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