2026-04-11 05:51:15
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近日,Elsevier旗下高影響力綜合期刊《Renewable and sustainable energy review》(IF=15.9, Cite Score=26.3)在線發表了題為“Temporal and spatial evolution of hydrogen leakage and diffusion from tube fittings on fuel cell vehicles under the effect of ambient wind”deyanjiuxinglunwen。gaiyanjiuzhuyaoyoutongjidaxueqichexueyuanlvhongketizuyushanghaiqichejituangufenyouxiangongsishangyongchejishuzhongxingongtongwancheng,qichexueyuanboshiyanjiushengshenyahaoweilunwendiyizuozhe,lvhongfujiaoshouweitongxunzuozhe。tongjidaxueweidiyiwanchengdanwei,shanghaiqichejituangufenyouxiangongsishangyongchejishuzhongxinweidierwanchengdanwei。
研究背景
車che載zai供gong氫qing係xi統tong是shi燃ran料liao電dian池chi汽qi車che的de關guan鍵jian部bu件jian之zhi一yi,對dui燃ran料liao電dian池chi汽qi車che的de續xu駛shi裏li程cheng和he安an全quan性xing起qi到dao至zhi關guan重zhong要yao的de作zuo用yong。然ran而er針zhen對dui燃ran料liao電dian池chi汽qi車che使shi用yong工gong況kuang下xia導dao致zhi的de氫qing氣qi微wei小xiao泄xie漏lou的de研yan究jiu缺que乏fa合he適shi的de方fang法fa。
研究成果
本文首先開發了一套氫安全測試裝置,具備流量/壓力可調節的氫氣泄漏模擬功能以及氫氣濃度檢測功能;針對震動導致的車載供氫係統中典型的管閥連接件鬆動場景,測定了不同壓力、擰ning緊jin角jiao度du和he扭niu矩ju下xia的de氫qing氣qi泄xie漏lou速su率lv,並bing對dui典dian型xing供gong氫qing管guan路lu壓ya力li下xia的de氫qing氣qi泄xie漏lou和he擴kuo散san仿fang真zhen模mo型xing進jin行xing了le準zhun確que性xing驗yan證zheng。通tong過guo計ji算suan流liu體ti動dong力li學xue仿fang真zhen研yan究jiu了le微wei小xiao氫qing氣qi泄xie漏lou在zai整zheng車che底di盤pan的de擴kuo散san路lu徑jing,以yi及ji氫qing氣qi濃nong度du的de時shi空kong演yan變bian規gui律lv,並bing實shi現xian氫qing氣qi泄xie漏lou的de三san維wei可ke視shi化hua,上shang述shu方fang法fa的de開kai發fa對dui氫qing濃nong度du傳chuan感gan器qi的de布bu置zhi以yi及ji燃ran料liao電dian池chi整zheng車che氫qing安an全quan設she計ji和he評ping估gu具ju有you重zhong要yao意yi義yi。

研究團隊
本研究由同濟大學、上海汽車集團股份有限公司商用車技術中心合作完成,研究得到國家重點研發計劃(2021YFB4001002)、上海市汽車工業科技發展基金(1908)的支持。詳細研究描述請參閱論文原文及附錄:
Shen Y, Lv H, Zheng T, et al. Temporal and spatial evolution of hydrogen leakage and diffusion from tube fittings on fuel cell vehicles under the effect of ambient wind [J]. Renewable and sustainable energy review, 2023: 113596.
鏈接:https://www.sciencedirect.com/science/article/pii/S1364032123004537
DOI:https://doi.org/10.1016/j.rser.2023.113596