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SIMULATION OF INTERACTION OF HOMOGENEOUS HYDROGEN AIR DETONATION WITH POROUS FILTERS

Explosions of combustible industrial gases and gas suspensions are one of the main causes of technological disasters. An example of the catastrophe is the explosion in the city of Kaohsiung, Taiwan, related with propylene leak in 2014. The explosion occurred during the transportation of propylene from the port to a chemical plant through a pipeline laid in underground utilities. One of the ways to prevent the catastrophic consequences of such incidents is to use inert components, for example, solid inert particles, porous ¦lters, or inert gas plugs to suppress detonation. In the present study, physical and mathematical modeling of the interaction of two-dimensional cellular detonation wave in hydrogen air mixture with inert porous ¦lters is performed. The model is based on the system of Euler equations describing the interaction of gas and ¦lters including the laws of mass, momentum, and energy conservation for each of the phases and components closed by equations of state, momentum exchange (drag forces), and heat transfer between gas and porous ¦lter. Hydrogen combustion is described by a reduced chemical kinetics. It was assumed that the porous ¦lter is a continuous medium in the form of a grid of stationary cylinders.