Abstract
Shock induced ignition and the subsequent development of reactive-gasdynamic waves in two-dimensional confined ducts are investigated by means of numerical simulations. The inhomo-geneous Euler equations are employed to describe the gasdynamic-chemical interactions. A second order accurate two-step Godunov-type scheme, which directly accounts for the source terms, is proposed. Its performance is demonstrated by solving a test problem, whose exact solution is available. Two examples of flows within L-shaped configurations reveal interesting mechanisms, which support the formation of reactive Mach-stems, and thus trigger the onset of multidimensional detonation waves. A relation of the present idealized model problems to knock damage in internal combustion engines is pointed out.
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© 1989 Friedr. Vieweg & Sohn Verlagsgesellschaft mbH, Braunschweig
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Klein, R. (1989). Detonation Initiation Due to Shock Wave-Boundary Interactions. In: Ballmann, J., Jeltsch, R. (eds) Nonlinear Hyperbolic Equations — Theory, Computation Methods, and Applications. Notes on Numerical Fluid Mechanics, vol 24. Vieweg+Teubner Verlag. https://doi.org/10.1007/978-3-322-87869-4_29
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DOI: https://doi.org/10.1007/978-3-322-87869-4_29
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