CO concentration variation at the air duct outlet with different distance between air duct outlet and working face.

CO concentration variation at the air duct outlet with different distance between air duct outlet and working face.

<p>CO concentration variation at the air duct outlet with different distance between air duct outlet and working face.</p>

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Bibliographic Details
Main Author:	Xiaoke Chang (21354524) (author)
Other Authors:	Jianxi Ren (21272930) (author), Rong Yang (107028) (author), Yan Tong (271431) (author)
Published:	2025
Subjects:	Biophysics Biotechnology Science Policy Plant Biology Biological Sciences not elsewhere classified Chemical Sciences not elsewhere classified provide stronger power ideal solution method also save energy empirical formula provides empirical calculation formula research results indicate air supply volume pollutant stagnant zones improve ventilation conditions fluids work together ensure effective control construction preparation stage pollutant diffusion mechanism vortex zone near appropriate ventilation fan tunnel working face fluid instability refers working face formula takes specific zone diffusion mechanisms depth research air duct pollutant transport pollutant generation pollutant concentration ventilation requirements ventilation parameters ventilation fans ventilation effect tunnel ventilation velocity regions undergo changes two stages turbulence effects turbulence effect tunnel structure tunnel sidewalls tunnel result tunnel drilling specific situation scientific basis safe production order preference numerical simulation mathematical statistics main reasons irregular flow inversely proportional improved technique
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