Comparative study of the methodologies based on Standard UNE 60079/10/1 and computational fluid dynamics (CFD) to determine zonal reach of gas-generated Atex explosive atmospheres

Miranda, Javier Telmo; Camacho, Eugenio Muñoz; Formoso, Jose Angel Fraguela; García, J.D. Rodríguez

doi:10.1016/j.jlp.2013.02.015

Cited by 6 publications

(6 citation statements)

References 5 publications

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“…Studies are underway that may allow more detailed calculations on explosion zones. Miranda T. J. et al Compared the UNE 60079/10/1 standard method with computed fluid dynamics (BAD) methods in the calculation of the zones and risks of explosive atmospheres and concluded that the BAD method is more advantageous than the standard 60079/10/1 method [8]. They stated that the advantage of the method was that it allowed the calculation of the volume of the potentially explosive atmosphere.…”

Section: Calculation Of Zone Radiimentioning

confidence: 99%

“…There is no precise definition of what atmospheric conditions are mentioned in this directive and related regulations. But in general terms: conditions where pressure values in the range of 0.8-1.1 bar and a mixture temperature between -20 °C and + 60 °C are provided as atmospheric conditions and these German EX-RL definitions are used as the values [8]. To be protected from the damages of explosive atmospheres, these environments should be well known.…”

Section: Introductionmentioning

confidence: 99%

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The Risk Calculation of Hazardous Zones Created By Flammable And Explosive Chemicals, LPG Tank Example

Büyükkıdan

Gümüş

USLU

2021

Academic Platform Journal of Natural Hazards and Disaster Management

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The determining of hazardous areas created by flammable and explosive chemicals is important to obtain a safe working environment. Taking precautions and prevent explosions require detailed investigations and accurate calculations instead of superficial and personal experience. In this context, possible leakages and leaks occurring around the LPG tank and its connections in a real enterprise were evaluated and the border of possible explosive atmosphere areas was calculated by the ALOAH program according to the TS 60079-10-1 standard. Based on the secondary discharge of the LPG from the bottom of the tank, the discharge characteristics were calculated as 4.946578 and 3.926692 m 3 /s at sonic and subsonic conditions respectively, and region radii, 10.8 m. The explosive atmosphere of the LPG tank was concluded that matched well the definition of Zone 2. The risk severity score of explosive atmospheres was calculated as 12 by using the risk assessment method of matrix system with approximations, possible in a week (3P), and the effect that could cause serious injury (4P). Serious threats and devastating effects were fictionalized clearly by explosion scenarios of the LPG tank. The calculations of explosive borders for flammable chemicals are necessary to prevent explosions, fires, and toxic effects of leaked chemicals by taking measurements on time. It is also necessary to calculate explosive areas and possible sceneries for each chemical separately for accurate results and effective control.

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Section: Calculation Of Zone Radiimentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The Risk Calculation of Hazardous Zones Created By Flammable And Explosive Chemicals, LPG Tank Example

Büyükkıdan

Gümüş

USLU

2021

Academic Platform Journal of Natural Hazards and Disaster Management

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“…These factors need to be taken into account when determining the classification and extension of the zones generated from combustible dust. Despite certain works indicating the need to revise the norm [44] in the Spanish legislation, the criteria for dimensioning the ATEX zones are established in UNE-EN 61241-10. [45] Consequently, in the present study, the zones were dimensioned according to the factors previously mentioned and following the norm in force.…”

Section: Identification Of the Atex Zonementioning

confidence: 99%

“…In the case at hand, this could well have been the initial cause of explosion. [44] Processed dairy products are extremely hygroscopic; moreover, different factors such as deficit of crystallization and presence of fat, among others, can produce the adhesion of thin dust layers on the internal walls of the drying chamber (see Figs. 5a and 5b) as well as other significantly thick layers (Figs.…”

Section: Description Of the Accident Considered As A Case Studymentioning

confidence: 99%

A Simple Methodology Based on the Pittsburgh Coal Method for Assessing Specific Explosion Risks in Dust-Generated Explosive Atmospheres: A Case Study from Galicia (NW Spain)

et al. 2014

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“…Miranda ve diğ. [4] yaptıkları çalışmada patlayıcı ortam değerlendirmesini; UNE 60079-10-1 standardı ile FLUENT yazılım uygulaması kullanılarak hesaplamalı akışkanlar dinamiği (computational fluid dynamics, CFD) temelinde karşılaştırarak yapmışlardır. Tommasini ve diğ.…”

Section: Introductionunclassified

Evaluation of explosive atmosphere in a paint shop according to standards

ERDOĞAN¹,

DUMAN²

2022

Pamukkale J Eng Sci

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Endüstrinin pek çok dalında boyahane alanlarında boyama prosesi yer almaktadır. Bu proseste çok çeşitli tehlikeli kimyasallar kullanılmakta olup söz konusu kimyasalların yanıcılık, parlayıcılık ve alevlenebilirlik gibi özelliklerinden kaynaklı patlamalar meydana gelmekte, ciddi ve ölümcül sonuçlar doğurabilmektedir. Patlayıcı ortam oluşturma ihtimali olan durumların değerlendirilerek riskin kontrol edilmesine yönelik tüm çalışmalar ulusal mevzuatın öngördüğü şekilde "Patlamadan Korunma Dokümanı (PKD)" çerçevesinde ele alınarak yapılmaktadır. Patlayıcı ortamların belirlenmesinde ulusal ve uluslararası standartlarla ortaya konulan kavramlara, hesaplamalara ve diğer teknik düzenlemelere ihtiyaç duyulmaktadır. Patlamadan Korunma Dokümanının temelini patlayıcı ortamın türünün ve boyutunun belirlenmesi aşamaları oluşturmaktadır. Bu çalışmada, yerel bir işletmede yer alan boyahanede karşılaşılan en önemli tehlikelerden biri olan gaz patlaması riskine ilişkin olarak olası tehlikeli bölgelerin tespit edilmesi için; (1) proseste kullanılan yanıcı sıvı kimyasal maddelerin patlamaya sebep olabilecek fiziksel özellikleri ve (2) bu kimyasalların işletmedeki yayılma kaynakları belirlenmiştir. Sonrasında; bu proseste patlayıcı ortam oluşmasına sebep olabilecek sıvıların prosesteki hız ve debileri önceden belirlenmiş ve TS EN 60079-10-1 standardı ile ortaya çıkan kısıtlar kapsamında detay düzenlemeler içeren İtalya milli standardı (uygulama kılavuzu) CEI 31-35 kullanılarak tehlikeli bölge türü ve bu bölgenin boyutu belirlenmiştir. İşletmeye patlayıcı ortamda kullanılabilecek ekipmanların belirlenmesi dahil kontrol ve güvenlik tedbirlerinin kararlaştırılması ile ilgili önerilerde bulunulmuştur.

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Comparative study of the methodologies based on Standard UNE 60079/10/1 and computational fluid dynamics (CFD) to determine zonal reach of gas-generated Atex explosive atmospheres

Cited by 6 publications

References 5 publications

The Risk Calculation of Hazardous Zones Created By Flammable And Explosive Chemicals, LPG Tank Example

The Risk Calculation of Hazardous Zones Created By Flammable And Explosive Chemicals, LPG Tank Example

A Simple Methodology Based on the Pittsburgh Coal Method for Assessing Specific Explosion Risks in Dust-Generated Explosive Atmospheres: A Case Study from Galicia (NW Spain)

Evaluation of explosive atmosphere in a paint shop according to standards

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