Determination of explosion, fire and toxic emission physical effect areas

Çetinyokuş, Saliha

doi:10.5505/pajes.2016.90093

Cited by 3 publications

(2 citation statements)

References 13 publications

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“…When using the open country option the hazard distances were larger than the urban or forest option. This result was compatible with a study that used chlorine gas that examined the effect of ground roughness (rural or urban) on hazard distances [23]. As mentioned above, due to the limitation of the method, the threat zone picture was truncated at the 10 km limit.…”

Section: Resultssupporting

confidence: 88%

The Effect of Storage Temperature on Threat Zone Caused by an Ammonia Release from a Storage Tank

EKİNCİ¹,

AKMAN²

2022

Hittite Journal of Science and Engineering

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Many hazardous substances are produced, stored and transported in the chemical industry. With the release of these hazardous substances as a result of any uncontrolled development, fire, explosion and toxic spread may occur depending on the nature of the chemical substance. This, in turn, can harm employees, people around, the environment and the economy. In this study, the release of ammonia, which has many uses, has been investigated. Ammonia is a flammable and highly toxic substance. As a result of the accidental releasing of ammonia, a fire event can be prevented by measures such as not keeping the ignition sources in the environment. However, although its ignition is prevented, it can cause harm to the people and environment due to its highly toxic nature. Knowing how much area it affects after spreading will shed light on the measures to be taken to prevent or reduce the damages that may occur. In this study, the toxicity of ammonia was taken into account, and the effect of storage temperature on the size of the toxic area to be formed was investigated. This effect was examined with Areal Locations of Hazardous Atmosphere (ALOHA) and DOW’s Chemical Exposure Index (DOW CEI) methods, and the results obtained with both methods were compared.

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Section: Resultssupporting

confidence: 88%

The Effect of Storage Temperature on Threat Zone Caused by an Ammonia Release from a Storage Tank

EKİNCİ¹,

AKMAN²

2022

Hittite Journal of Science and Engineering

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“…The main purpose of ALOHA software is to provide emergency response by estimating of the effect distances of chemical releases (Jones et al, 2013). The software has its own library of chemicals, but is used for modeling pure substances and few mixtures (Cetinyokus, 2017). ALOHA software links direct, tank, puddle or gas piplene source models to a dispersion model to predict the effect distances of toxic clouds, flammable vapors and explosive vapor clouds.…”

Section: Modeling With Aloha Softwarementioning

confidence: 99%

Consequence Analysis of An Industrial Accident at a Fuel Station

ÇETİNYOKUŞ,

PAMUK

2023

Gazi University Journal of Science Part A: Engineering and Innovation

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Major industrial accident is a type of technological disaster that may require extraordinary intervention in areas outside the facility, in addition to those affected within the facility. It causes damage to the environment and loss of life at the time it occurs or afterward. Studies to be carried out to prevent these accidents Zor to reduce their effects are important. In this study, a case study for the consequences of an industrial accident that may occur in a fuel station was analyzed. Firstly, possible accident scenarios were created by obtaining chemical, atmospheric and source data. The LPG (Liquefied Petroleum Gas) storage tank (40m3) was considered in modeling a fuel station in the Korfez district of Kocaeli province, where the industry is dense in Turkey. The average atmospheric data of the province for the months of August and January were used to represent summer and winter conditions, respectively. Threat zones were produced with ALOHA (Areal Locations of Hazardous Atmospheres) software based on a release to atmosphere without burning, a jet fire as a result of a leak in the LPG tank and BLEVE scenarios. The two most dangerous scenarios were determined as a possible jet fire in August and a possible BLEVE (Boiling Liquid Expanding Vapor Explosion) in January. Overpressure effects were also obtained using the BST (Baker-Strehlow-Tang) method, thus ensuring the validation. With the software, the vapor cloud explosion distance as a result of the leak in August was obtained as 456m and 268m for the yellow (6.89kPa) and orange (24.13kPa) threat zones, respectively. Overpressure in an area of 500 meters was calculated as 5.06kPa with BST method. This calculated overpressure has the potential for damage that can lead to glass and window breakage in parallel with the ALOHA output. It has been determined that indirect injuries may occur to living beings.

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Determination of emergency assembly point for industrial accidents with AHP analysis

Hoscan

Çetinyokuş

2021

Journal of Loss Prevention in the Process Industries

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Determination of explosion, fire and toxic emission physical effect areas

Cited by 3 publications

References 13 publications

The Effect of Storage Temperature on Threat Zone Caused by an Ammonia Release from a Storage Tank

The Effect of Storage Temperature on Threat Zone Caused by an Ammonia Release from a Storage Tank

Consequence Analysis of An Industrial Accident at a Fuel Station

Determination of emergency assembly point for industrial accidents with AHP analysis

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