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RISS 인기검색어
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- 저자 : Shenghui Chen (검색결과 2 건)
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Effect of polyethylene foam on dynamic cushioning energy absorption of paper corrugation tubes
Yanfeng Guo,Xuxiang Han,Yungang Fu,Shenghui Chen 대한기계학회 2022 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.36 No.4
The influence of the filled polyethylene foam on the cushioning energy absorption and impact resistance of the corrugation tube is analyzed through the axial drop impact experiment. Moreover, the compression deformation mode of the corrugation tube wall is predicted and experimentally verified. Results show that the X-direction tube has initial geometrical imperfections, which may reduce the initial impact force. The interaction between the polyethylene foam and the corrugation tube wall can improve the overall stability of the filled tube, and the structural stability of the double corrugation tube is the best. For the single tube, double tube, and single-filled tube, the volume (or mass) of the foam relative to the corrugation tube increases sequentially. The cushioning energy absorption of the paper corrugation tube is not improved, but the impact resistance is reinforced.
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Research Progress on Gas Generation from Waste Plastics Through Pyrolysis
Guangxiong Ji,Bingguo Liu,Guolin Luo,Chao Yuwen,Fang Peng,Siyu Gong,Shenghui Guo,Wang Chen,Keren Hou 한국화학공학회 2024 Korean Journal of Chemical Engineering Vol.41 No.9
Plastic pyrolysis technology, as an effi cient and stable path for chemical recycling of waste plastics, alleviates current energy pressures and solves the problem of continuous accumulation of waste plastics in the environment. At present, the vast majority of research on plastic pyrolysis is focused on how to improve the yield and quality of liquid fuels, while there is generally little research on the gases generated by plastic pyrolysis. However, gases such as H 2 , CH 4, and light hydrocarbons generated during pyrolysis also have high utilization value, and have very considerable application prospects in chemical, aerospace, and metallurgical fi elds. In addition, compared with the separation diffi culties of liquid products, the treatment of gas products is easier and more conducive to subsequent utilization. This article discusses and analyzes the yield and composition of gases generated by plastic in three diff erent pyrolysis methods: direct pyrolysis, catalytic pyrolysis, and microwave pyrolysis. Compared to traditional direct pyrolysis, catalytic pyrolysis and microwave pyrolysis can treat plastic waste more effi ciently and energy-effi cient, and have higher gas yields. This article also discusses various factors such as temperature that infl uence the formation of gas products and their importance. Finally, the challenges faced are proposed, aiming to provide reference and direction for future research on improving the yield of gas generated by plastic pyrolysis.
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