Control of supersonic flow around bodies by means of a pulsed heat sourceстатья
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Дата последнего поиска статьи во внешних источниках: 10 июня 2020 г.
Аннотация:Influence of an artificial source of external energy supply in the gas stream to flow past bodies considered in the model of an ideal environment , described by a system of Euler equations with source term in the right-hand side of the energy equation . The novelty lies in the fact that for the first time , a model of a repetitively pulsed energy input , reflecting realized in experiments P.K.Tretyakova and other real technology of energy supply with a laser optical discharge with a high repetition powerful short pulses. The corresponding formula is the energy source is a series consisting of the Dirac delta function with argument and coefficient depending on the pulse repetition frequency . This simple model of the numerical realization as boils down to that at specified intervals need to increase the pressure jump in the specified area by the amount of input energy inversely proportional to the pulse repetition rate . In this model, the numerical method and the corresponding third-order effect for the first time played a nonmonotonic effect of frequency source of external energy input to the body of his resistance in a supersonic flow .