LOX/GCH4 pintle injector is suitable for variable-thrust liquid rocket engines. In order to provide a reference for the later\ndesign and experiments, three-dimensional numerical simulations with the Euler-Lagrange method were performed to study\nthe effect of the initial particle diameter on the combustion characteristics of a LOX/GCH4 pintle rocket engine. Numerical\nresults show that, as the momentum...................
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