Ventilation time required with different distance between duct outlet and working face.

Ventilation time required with different distance between duct outlet and working face.

<p>Ventilation time required with different distance between duct outlet and working face.</p>

محفوظ في:
التفاصيل البيبلوغرافية
المؤلف الرئيسي: Xiaoke Chang (21354524) (author)
مؤلفون آخرون: Jianxi Ren (21272930) (author), Rong Yang (107028) (author), Yan Tong (271431) (author)
منشور في: 2025
الموضوعات:
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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