نتایج جستجو برای: pool fire

تعداد نتایج: 89295  

Journal: :Applied sciences 2021

Progress in fire safety science strongly relies on the use of Computational Fluid Dynamics (CFD) to simulate a wide range scenarios, involving complex geometries, multiple length/time scales and multi-physics (e.g., turbulence, combustion, heat transfer, soot generation, solid pyrolysis, flame spread liquid evaporation), that could not be studied easily with analytical solutions zone models. It...

2017
JINLONG ZHAO

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Journal: :Case Studies in Thermal Engineering 2021

A series of experiments were carried out in an arched tunnel (50 m long, 2 wide, 2.3 high). Under the influence aspect ratios (1, and 3) oil pool orientation relative to sidewall, flame length temperature distribution under ceiling was studied. Oil pools with 3 placed center as a control group. Results show that sidewall is decisive factor affecting fire behavior. The heat release rate decrease...

Nowadays automated early warning systems are essential in human life. One of these systems is fire detection which plays an important role in surveillance and security systems because the fire can spread quickly and cause great damage to an area. Traditional fire detection methods usually are based on smoke and temperature detectors (sensors). These methods cannot work properly in large space a...

ژورنال: سلامت کار ایران 2017

Background and aims: Accidents happened as a result of LPG leakage emphasizes the importance of the consequence analysis of fire and explosion in LPG storage tanks. The purpose of this study is to analysis the consequences of fire and explosion in a cylindrical LPG storage tank in an oil and gas industry. Method: In this analytical study, four possible failure scenarios including 1...

Journal: :Injury prevention : journal of the International Society for Child and Adolescent Injury Prevention 1999
C DiGuiseppi S Slater I Roberts L Adams M Sculpher A Wade M McCarthy

OBJECTIVES To reduce fires and fire related injuries by increasing the prevalence of functioning smoke alarms in high risk households. SETTING The programme was delivered in an inner London area with above average material deprivation and below average smoke alarm ownership. The target population included low income and rental households and households with elderly persons or young children. ...

Journal: :environmental health engineering and management 0
hossein jafari mansoorian environmental health engineering research center, department of environmental health, kerman university of medical sciences, kerman, iran. salman zarei environmental health engineering, chief of environmental protection, ilam gas company, ilam, iran narges khanjani 3department of environmental health engineering, school of public health, kerman university of medical sciences, kerman, iran

background: infections are readily transmitted as a result of bacterial contamination of swimming pools. therefore, hygiene and preventing the contamination of swimming pools is of particular importance. the objective of this study was to determine the amount of bacterial contamination in indoor pools of yazd in 2013. methods: in this descriptive and analytical study, all indoor swimming pools ...

Journal: :Physics of Fluids 2022

Pool fires are canonical representations of many accidental fires, which can exhibit an unstable unsteady behaviour, known as puffing, involves a strong coupling between the temperature and velocity fields. Despite their practical relevance to fire research, experimental study be limited due complexity measuring relevant quantities in parallel. In this work, we analyse use recent physics-inform...

ژورنال: مرتع 2023

Background: Fire affects quantitative and qualitative indicators by changing stable plant communities, changing genetic diversity and reducing plant and animal species and the succession and steps are effective. The severe effects of fires on the reduction of soil protection, production and changes in plants palatability, animal breeding conditions, challenges in the livelihoods of farmers, dis...

Journal: :Plant and Soil 2021

Boreal forests account for one third of terrestrial carbon stock. Wildfires are an important perturbation this pool, affecting in particular the litter layer. After forest fires, layers may possess shifting chemical property and decomposition dynamics due to changes post-fire vegetations succession abiotic factors. We measured water-soluble organic (WSOC) nitrogen (WSN) Oi Oe horizons boreal al...

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