An experimental study on the effects of blockage ratio and ventilation velocity on the heat release rate of tunnel fires
JOURNAL OF FIRE SCIENCES, cilt.29, sa.6, ss.555-575, 2011 (SCI-Expanded, Scopus)
- Yayın Türü: Makale / Tam Makale
- Cilt numarası: 29 Sayı: 6
- Basım Tarihi: 2011
- Doi Numarası: 10.1177/0734904111416336
- Dergi Adı: JOURNAL OF FIRE SCIENCES
- Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
- Sayfa Sayıları: ss.555-575
- Anahtar Kelimeler: tunnel fire, froude number, blockage ratio, heat release rate, emergency ventilation
- Orta Doğu Teknik Üniversitesi Adresli: Evet
Özet
It is very important to accurately predict the fire-induced air velocity, temperature, and smoke concentrations in tunnel fires to design efficient fire protection systems. In this study a scaled model of a tunnel was constructed based on Froude number scaling and wood sticks with different configurations which were burned in a controlled environment. Model vehicles having a square base were built according to the wood crib theory. The impact of varying longitudinal ventilation velocity and the cross-sectional area of the burning substances on the heat release rate and temperature distribution in the tunnel were measured.