Search Results - "Weng, Miaocheng"

Study on smoke sealing effectiveness of the air curtain in exit bifurcated tunnel fires by Lu, Xinling, Weng, Miaocheng, Liu, Fang, Yu, Junjie

“…The feasibility of using a smoke prevention air curtain in the exit bifurcated tunnel was investigated through 1:10 scale model experiments. The results…”
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Research on the psychology, physiology and cognitive ability of the work efficiency of special vehicle members by Liu, Fang, Xiao, Lezhou, Weng, Miaocheng, Wang, Yifei, Zhang, Xiaobai

“…The combat effectiveness of special vehicles is related to the comprehensive national strength of the country. In addition to the performance of the vehicle…”
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Train-Induced Unsteady Airflow in a Metro Tunnel with a Ventilation Shaft by Wang, Fei, He, Xingsen, Xu, Lin, Zhao, Shengzhong, Weng, Miaocheng

“…To ensure only one train operates in each ventilation section within an extra-long tunnel, a ventilation shaft was typically installed to divide the entire…”
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Research on the evaluation of occupants' work efficiency in summer thermal environment of special vehicles based on subjective thermal sensation by Weng, Miaocheng, Liu, Aiyang, Zhang, Yu, Liu, Fang, Zhang, Hongyu

“…High summer temperatures in special vehicle cabins affect drivers and occupants, reducing efficiency and combat potential. Improving occupant work efficiency…”
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Effect of the Metro Train on the Smoke Back-Layering Length under Different Tunnel Cross-Sections by Wang, Meng, Liu, Henan, Wang, Fei, Shen, Linhan, Weng, Miaocheng

“…Smoke back-layering length is an important aspect of tunnel fire research, and the influence of metro train blockage cannot be ignored. In previous studies,…”
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Numerical Study on Evacuation Evaluation and Strategy of Theater with Rotating Auditorium by Xiong, Kang, Weng, Miaocheng, Liu, Fang, Lu, Yuhan

“…In recent years, more and more theaters with rotating mechanisms have been built and used, such as theaters with rotating auditoriums. The rotation mechanism…”
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Numerical investigation on fire-induced indoor and outdoor air pollutant dispersion in an idealized urban street canyon by Zhao, Shengzhong, Yang, Haoran, Li, Chaorui, Obadi, Imad, Wang, Fei, Lei, Wenjun, Xu, Tiantian, Weng, Miaocheng

“…Fire-induced pollutant dispersion under the influence of buoyancy in urban street canyons has attracted wide attention given its adverse impact on human…”
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An Improved Method for Determining The Interface Height of Smoke Layer in A Tunnel Fire by Xiong, Kang, Liu, Fang, Weng, Miaocheng

“…Smoke layer interface height is an important parameter in fire safety science. In this paper, two methods are proposed on the basis of integral ratio method…”
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Numerical study on the effect of shaft position on natural smoke exhaust in tunnels with one closed portal by Pengqiang, GENG, Zihao, WANG, Miaocheng, WENG, Fang, LIU

“…This paper uses Fire Dynamics Simulator (FDS) to study the effect of the longitudinal distance from the shaft to the fire source on the natural smoke exhaust…”
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Study on the smoke movement and downstream temperature distribution in a sloping tunnel with one closed portal by Han, Jiaqiang, Liu, Fang, Wang, Fei, Weng, Miaocheng, Wang, Jun

“…In this paper, downstream temperature distribution and smoke movement were investigated in a slopping tunnel with one ended-portal, experimentally and…”
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Influence of the door opening on the pressure transient caused by the high-speed subway train passing through the double-track tunnel with the mid-partition wall by Weng, Miaocheng, Xiong, Kang, Liu, Fang

“…•Propagation mechanism of pressure wave in tunnels with door opening was analyzed.•Superposition law of branch pressure wave caused by door opening was pointed…”
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Fire risk assessment for large-scale commercial buildings based on structure entropy weight method by Liu, Fang, Zhao, Shengzhong, Weng, Miaocheng, Liu, Yongqiang

“…•A new fire risk assessment system for large-scale commercial buildings was established.•Detailed on-site investigations were carried out in this…”
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Theoretical study on the most unfavorable tunnel length (MUTL) based on the interior pressure variations of high-speed subway trains by Xiong, Kang, Weng, Miaocheng, Liu, Fang

“…•The principle of the existing most unfavorable tunnel length (MUTL) was clarified.•The theory of MUTL for the interior pressure variation were…”
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Metro systems: Construction, operation and impacts by Lin, Dong, Zhou, Zhipeng, Weng, Miaocheng, Broere, Wout, Cui, Jianqiang

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Experimental studies on fire-induced temperature distribution below ceiling in a longitudinal ventilated metro tunnel by Zhao, Shengzhong, Liu, Fang, Wang, Fei, Weng, Miaocheng

“…A series of experiments were carried out in a small-scale model tunnel with dimensions of 13m(Length)∗0.32m(Width)∗0.48m(Height) to investigate the…”
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Improved temperature-based methods and deep learning-based method for identifying the smoke layer height in tunnel with longitudinal ventilation by Weng, Miaocheng, Xiong, Kang, Liu, Fang, Xie, Jin

“…The height of the smoke layer interface has great significance within the field of fire safety science. The problem of identifying the position of the smoke…”
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Investigating the influence of stack effect on plume inclination and maximum ceiling temperature position in inclined tunnel fires by Sun, Chaopeng, Weng, Miaocheng, Liu, Fang, Zhang, Yang, Zhang, Xiaobai

“…Unlike horizontal tunnels, research on the maximum ceiling temperature position and its influencing factors in inclined tunnels is limited. This study employs…”
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Study on the smoke flow characteristics in inclined tunnel with an upstream shaft under natural ventilation by Sun, Chaopeng, Weng, Miaocheng, Liu, Fang, Ling, Kaiwen

“…•The measuring position of vinflow in inclined tunnel with an upstream shaft is determined.•There are three states of smoke flow in inclined tunnel fire with…”
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Research on thermal-driven smoke control by using smoke curtains during a subway platform fire by Liu, Yongqiang, Liu, Fang, Weng, Miaocheng, Obadi, Imad, Geng, Pengqiang

“…During the occurrence of a fire on a subway platform, the focus is usually on controlling the ventilation and smoke exhaust systems to prevent smoke from…”
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Theoretical analysis and experiments on the effect of fire source location on maximum ceiling excess smoke temperature in Z-shaped passage fires with natural ventilation by Li, Zekun, Weng, Miaocheng, Liu, Fang, Cheng, Yong

“…The maximum ceiling excess smoke temperature is a critical parameter for assessing fire safety in Z-shaped passages. These passages are long and narrow spaces…”
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