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Explosion prediction methodologies overview

30 July 2020

Explosion risk assessment usually involves high explosives or large gases/vapour cloud explosion, which represents a considerable hazard for various infrastructures such as buildings, stations, petrochemical plants, mines, gas utilities, etc. Predicting the possible consequences of these explosions has involved efforts through experiments, theoretical models and computational simulations.

Representative image: Shutterstock
Representative image: Shutterstock

This article aims to review different explosion scenarios and describe one representative model within each category of methodology and explosion scenario, with a focus on empirical models.

In most engineering applications, simple empirical models are sufficient for the project purpose as long as the engineer knows what they are doing and the applicability range of the model. Therefore, applying the correct theoretical model is the key to the success of the project. Computationally expensive CFD methods are getting more popular but are deemed only necessary in this article when detailed analysis is required. There are also limitations of computational simulations for many industry applications due to the actual cost to run the simulations (numerous inputs that are both error prone and sensitivity prone, sophisticated usage, long simulation time, etc.).

Click here to read the full article in the digital edition of Hazardex July.

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