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...

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...

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...

Analysis of the Location of Urban Fire Stations Case Study: Piranshahr City I. Ebrahimzadeh[1] D. Kashefidoost[2] A. Hosseini[3] 1. Introduction The first key point in order to allocate city facilities and proper use of them especially during the crisis, is choosing (selecting) the optimum location (place) regarding to different and sometimes contradictory conditions. This becomes more importan...

Introduction: In the process industries, especially industries with hydrocarbons uses, due to flammability and reactivity of materials, high temperature, operation pressure, volatility and evaporability of liquid, fire and explosion hazard always has a great significances.The purpose of this study was to assess the quantitative fire safety using DOW’s fire and explosion index, in an oil extract...

Background and aims:Protection the hospitals against fire is very important due to presence of disable persons, lack of awareness and expensive devices and equipments in the hospitals. This study aimed to assess fire risk in the selected hospitals of Shiraz University of Medical Sciences. Methods: This cross-sectional descriptive study was conducted in 8 hospitals (16 buildings) affiliated b...

The changes in soil nutrients and aggregate stability either in short-term or in long-term after fire is very important in forest ecosystems due to their key role in plants growth and preventing soil erosion. In the present investigation the short, medium, and long-term effect of fire was surveyed on these properties for the first time in Iran. For this purpose a plot of Zagros forests was sele...

Fire can influence the stability of many natural habitats via changes in biological, chemical and physical properties of soil. The aim of the present study was to investigate the effects of fire on some chemical properties and nutrients availability in a rangeland soil. To perform this research, a fired area with a five-month history and a homogenized area close to it without fire were selected...

  Background and aims   Fire and explosion hazards are the first and second of major hazards in process industries, respectively. This study has been done to determine fire and explosion risk severity,radius of exposure and estimating of most probable loss.   Methods   In this quantitative study process unit has been selected with affecting parameters on  fire and explosion risk. Then, it was a...