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안호순,권해붕,이광범,전상우,손영삼,Ahn, Ho-soon,Kwon, Hea-boung,Lee, Kwang-bum,Jeon, Sang-woo,Son, Young-san 한국자동차안전학회 2015 자동차안전학회지 Vol.7 No.3
Toughened glass is known to have about four times larger external impact resistance than that of original glass. This study is aimed to verify that ceramic-printed toughened glass does not meet of GTR(Global Technical Regulations) No. 6 and its strength is lower than that of original glass through tests. The tests were conducted on the test pieces of original glass, toughened glass, and ceramic-printed toughened glass from five glass manufacturers. In Test 1, a 227g steel ball was dropped from a height of 2 meters, and damage was checked according to the test method of GTR No. 6. In Test 2, a steel ball was freely dropped from different heights and limited damage height was determined. In the result of Test 1 according to the test method of GTR No. 6, while all five test pieces of toughened glasses were not damaged, all the ceramic-printed toughened glass from the five manufacturers were damaged. In the result of Test 2, none of the five test pieces of toughened glass were damaged by a 10m ball drop, meanwhile, the original glasses were damaged by an average of 3m ball drop. And the results of the tests show that the ceramic-printed toughened glass does not have the features of toughened glass due to its very low strength. Therefore, this study contributes to the safety of consumers by considering the GTR No. 6, and by revising the toughened glass test method.
전상우,권만재,안호순,Jeon, Sangwoo,Kwon, Manjae,An, Hosoon 한국자동차안전학회 2021 자동차안전학회지 Vol.13 No.4
This paper is the result of a research on hybrid tuning technology developed to improve the actual fuel efficiency and reduce emissions of in-use light-duty diesel trucks. In this study, a hybrid powertrain was constructed by inserting an electric motor between the diesel engine and manual transmission of an internal combustion engine vehicle and installing a battery. To verify the safety, a test was conducted based on the Korean tuning regulations. In particular, since there has been no case of tuning an internal combustion engine vehicle into a hybrid vehicle in Korea, it was necessary to carry out all procedures to receive tuning approval. The approval process consists of a technical review, safety verification test, and application for tuning approval. As a result, the test vehicle was approved for tuning because both the technical review and vehicle test results were suitable. Therefore, this study confirmed the safety of diesel hybrid tuning technology, and laid the foundation for the research and development of technologies to tune into an eco-friendly vehicle as well as the activation of related industries.
연료공급계통 설계인자가 소형경유자동차의 저온성능에 미치는 실험적 연구
김희준(HeeJoon Kim),용기중(GeeJung Yong),이종현(JongHyun Lee),이광범(KwangBum Lee),안호순(HoSoon Ahn) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Low temperature starting and drivability of a light duty diesel truck can be affected by its design factor. Specially, the proper design of a fuel system is a important factor improving its low temperature performance. To compare the cause of the cold starting and drivability, we had selected a light duty diesel truck saled in Koeran domestic market and tested in a cold chamber. Four fuels are used for low temperature test, and the test carried out with the ambient temperature at 15℃ 18℃ and 20℃. The result show that the proper design of a fuel system restrains was formation of the diesel in low temperature. It is sure that the size and position of a fuel filter, a fuel line's position, the position and material of a fuel tank are its important characteristics improve the low temperature operability.