Applicability of liquid nitrogen fire extinguishing in urban underground utility tunnel
نویسندگان
چکیده
منابع مشابه
environmental impacts of urban utility tunnel construction (case study: urban utility tunnel district 22 of tehran)
urban facilities are necessary components of cities. in all grown and developed cities of the world there are tremendous network of facilities such as water and electric ties, water sewage drainage, water piping and gas piping. that has not been installed in proper depth underground and locations and with growing of the cities and consumption of population. they need to be replaced by excavatin...
متن کاملStudy on Applicability of FDS+Evac for Evacuation Modeling in Case of Road Tunnel Fire
In this study, fire in a short 2-lane single-directional road tunnel with two different traffic situations is considered and the impact of spread of fire and smoke on people evacuation is investigated. The FDS+Evac system used comprises of FDS (Fire Dynamics Simulator), an advanced CFD (Computational Fluid Dynamics) fire field model supplemented by agent-based FDS evacuation model, Evac. Evac i...
متن کاملIn-mine Evaluation of Underground Fire
The current s t a t e of the a r t of f i r e and smoke detect ion technology i s reviewed from the standpoint of s u i t a b i l i t y f o r use i n underground metal and nonmetal mines. Detection modes, f i r e signatures, and environmental considerat ions a r e included. Preliminary r e s u l t s of longterm, in-mine t e s t s a r e presented.
متن کاملSustainable development in Urban Underground Space
During a very long period of time, civil engineers have been the only ones to be designated as the experts for underground space, while the planners and architects were the ones of the development at the surface. Cities worldwide tend to overlook an invaluable asset that lies beneath their surfaces. Most cities and urban regions are unaware of the benefits underground space use has to offer, bo...
متن کاملUrban underground development an overview of historical underground cities in Iran
The increasing rate of urbanization and rate of population growth over the 20th century has led to various problems such as traffic congestion, air pollution, and lack of open and green spaces that have affected the cities and their citizen's life. This condition has led to increasing demands for more land use, homes, and work places, more public transport and mass transit systems and modern in...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Case Studies in Thermal Engineering
سال: 2020
ISSN: 2214-157X
DOI: 10.1016/j.csite.2020.100657