Numerical

Numerical simulations allow detailed insights into physical phenomena and important state variables, which are not accessible experimentally. GASFLOW permits a deterministic analysis of dispersion and combustion processes in complex three-dimensional geometries. The outcome of an accident with burnable gas depends on many parameters and complex physics. Therefore a consistent and mechanistic analysis procedure was developed for GASFLOW

to predict accident progress and consequences,
to develop efficient mitigation measures,
to support development of safe technologies for combustible gases, and
to provide a reliable data base for rules, codes and standards.

The risk analysis procedure addresses four main steps which are combustible mixture generation, hazard evaluation, combustion simulation and consequence evaluation. Such a mechanistic and self-consistent risk analysis – which is far beyond running a standard CFD code - can be performed for a wide range of accident scenarios.

Numerical Analysis

Main steps for consistent analysis of combustible gas behavior in accident sequences