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이준호(Junho Lee),이기수(Geesoo Lee),김현철(Hyunchul Kim),추성화(Seonghwa Choo),박경용(Kyungyeong Park) 한국자동차공학회 2012 한국자동차공학회 학술대회 및 전시회 Vol.2012 No.11
In this work, numerical investigation for the optimization of automotive plastic tube was performed for the weight reduction. To achieve this, water cooling tube for gasoline and diesel and PCV line were chose for the analysis. The effect of pitch, thickness, diameter, and properties of material on the thermal stress in corrugated tube were studied and the results from these were compared with the results from smooth tube under the same test conditions. It was revealed that the effect of temperature on the thermal stress is larger than the effect of pressure. As the thickness of tube increased, the thermal stress in the tube also increase. On the other hand, as the tube pitch increased, the thermal stress decreased.