PUBLICATIONS AND VIDEOS
Webinar 014
Recent enhancements in predicting subsea dispersion of gas from blowouts and pipeline failure
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Speaker(s): Jan Erik Olsen
Organisation(s): SINTEF
Duration: 56 min
SUMMARY
A reliable estimate of the subsea dispersion of gas is required in order to assess risks in offshore operations during an ongoing or potential subsea gas release. Historically, this has been calculated via so-called integral models, but more recently, CFD has become a powerful tool for conducting such analyses. CFD models have been in development for about 20 years. They require accurate implementation of the governing physics.
The last 10 years have seen a continued enhancement in model accuracy by implementing improved closures for turbulence, gas dissolution and more. This webinar summarises these developments, discusses how the subsea model needs to communicate with the atmospheric model, and provides some examples of release of natural gas and CO2.
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