NDLI: 3D Simulation on CO Diffusion in the Underground Powerhouse Construction

Content Provider	IEEE Xplore Digital Library
Author	Wang Xiao-ling Luan Chuang Liu Xue-peng Duan Qiqi
Copyright Year	2008
Description	Author affiliation: Sch. of Environ. Sci. & Eng. Tianjin, Tianjin Univ., Tianjin (Wang Xiao-ling; Luan Chuang; Liu Xue-peng; Duan Qiqi)
Abstract	Ventilation is of important in the underground powerhouse construction. Under forced ventilation, the CO diffusion of construction was investigated using a 3D high Reynolds number k - epsiv model. The interfacial momentum transfers were considered. The wall roughness was considered in the wall function. Ventilation on the first layer of underground powerhouse of Xiangjiaba hydropower station was used as a case. It is concluded that the CO concentration decreases gradually with the increasing of the ventilation time. However, iso-concentration curves have the same tendency after 1200s. The CO concentration meets the ventilation and dust-prevention health standard after 1850s. It shows the u- velocity exhibited obvious difference adjacent to the heading face. The prediction by the present model is confirmed by the experimental measurement by Nakayama.
Starting Page	3778
Ending Page	3781
File Size	212000
Page Count	4
File Format	PDF
ISBN	9781424417476
DOI	10.1109/ICBBE.2008.446
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fluid dynamics Hydroelectric power generation Power generation economics Tunneling Predictive models Ventilation Numerical models Power system modeling Equations Power engineering and energy
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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