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Numerical investigation on effect of fire fighting on smoke movement in tunnels / Ramy Mahmoud Ragab Mahmoud ; Supervised Mahmoud Ahmed Fouad , Taher Mohamed Halawa

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Ramy Mahmoud Ragab Mahmoud , 2017Description: 109 P. : charts , facsimiles ; 30cmOther title:
  • دراسة عددية لتأثير نظام الإطفاء على التحكم فى الدخان داخل الانفاق [Added title page title]
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  • Issued also as CD
Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Mechanical Power Engineering Summary: Smoke is the most deadly factor in vehicular tunnels fire since smoke spreads in heading harmonize with passenger{u2019}s evacuation way. It reduces visibility and can cause fatalities by suffocation. This research presents a numerical study of the effect of extracting the smoke by different system of ventilation on smoke spread inside the vehicular tunnel, like (water mist system with transverse ventilation and longitudinal system with jet fans and solid curtain with transverse system and semi transverse system) Also tenable conditions were checked at human level. FDS 6.5.1 ver. was used to predict the various parameters of temperature, and visibility and Co concentration. Eight cases were conducted; Cases 1, 2, 3 and 7 were done to compare between four different ventilation systems at 30 MW. Case 4, 5, 6 and 8 were done to compare between three different ventilation systems at 100 MW
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Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.11.M.Sc.2017.Ra.N (Browse shelf(Opens below)) Not for loan 01010110074962000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.11.M.Sc.2017.Ra.N (Browse shelf(Opens below)) 74962.CD Not for loan 01020110074962000

Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Mechanical Power Engineering

Smoke is the most deadly factor in vehicular tunnels fire since smoke spreads in heading harmonize with passenger{u2019}s evacuation way. It reduces visibility and can cause fatalities by suffocation. This research presents a numerical study of the effect of extracting the smoke by different system of ventilation on smoke spread inside the vehicular tunnel, like (water mist system with transverse ventilation and longitudinal system with jet fans and solid curtain with transverse system and semi transverse system) Also tenable conditions were checked at human level. FDS 6.5.1 ver. was used to predict the various parameters of temperature, and visibility and Co concentration. Eight cases were conducted; Cases 1, 2, 3 and 7 were done to compare between four different ventilation systems at 30 MW. Case 4, 5, 6 and 8 were done to compare between three different ventilation systems at 100 MW

Issued also as CD

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