Hazard Analysis And Consequences Assessment
Of Gas Pipeline Rupture And Natural Gas Explosion
Author(s)
E. Uspuras, S. Rimkevicius, M. Povilaitis,
T. Iesmantas & R. Alzbutas
Abstract
Natural gas is commonly used as a fuel. Large distances between natural gas
supply sources and consumers has led to extensive networks of natural gas
pipelines. Since natural gas is a flammable and explosive fuel, it is hazardous
and its transportation has inherent risks associated with potential damage.
Accidental gas pipeline explosions could lead to extreme destruction and
negative consequences. In order to estimate and reduce probability and potential
damage of such explosions the good understanding of involved phenomena and
ability to simulate them are needed. This paper presents hazard analysis and
consequences assessment of gas pipeline rupture and natural gas explosion.
Various mathematical models are described in the methodological part of the
work. They help to figure out the hazard of the gas pipeline rupture and assess
the size of risky zone reflecting the place of potential disaster. Also the
probability of the gas explosion in relation to the particular gas pipeline is being
estimated. Consequences are assessed considering possible combustion of
natural gas which is released from the ruptured pipe. A point source model is
used to describe the radiation intensity of flame thermal energy. Also, strength of
hypothetical detonation is estimated using a TNT (Trinitrotoluene) equivalence
method, by employing which equivalent TNT charge is estimated from the
energy released in the gas explosion. According to obtained intensities a distance
and period of time related to various injuries to people and damage to buildings
are estimated.
Keywords: natural gas, hazard analysis, pipeline rupture, explosion, point
source model, TNT equivalence method.
Keywords
natural gas, hazard analysis, pipeline rupture, explosion, point
source model, TNT equivalence method.
Related Book
Other papers in this volume
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