Some recent results in aerodynamic applications of flows with localized energy addition

A Survey of Supersonic Retropropulsion Technology for Mars Entry, Descent, and Landing

“…The relatively good agreement seen between the Euler solutions and the experimental plasma jet work suggests much of the interactions at lower supersonic Mach numbers resemble retropropulsion gas dynamics, a result promising for future work with combusting retropropulsion effects [44]. Additional work from the same authors has been reported to have had success with modeling supersonic retropropulsion in the form of plasma jets, using the assumption of a perfect gas with constant specific heats [45].…”

“…Recent work has focused on drag reduction for slender body vehicles, not drag augmentation for blunt bodies, and the effects of high temperature plasma jets on the body aerodynamics [44], [45]. However, the similarities in flowfield interactions between these applications and supersonic retropropulsion for EDL have been useful in extending computational approaches.…”

“…Additionally, oscillatory behavior, characteristic of even stable flowfields, makes starting solutions and defining convergence difficult. Despite these challenges, several studies [21], [37], [44], [45] have shown varying degrees of success in modeling the aerothermodynamics of single nozzle configurations.…”

“…Although the majority of the literature is focused on deceleration applications, the aerothermal effects of supersonic retropropulsion, the development of test scaling parameters, and the capabilities of computational analysis have also been explored [15], [19], [21], [34]- [45]. Both experimental and computational work show the aerothermal effects of retropropulsion to be important, with the potential for heat transfer to the body to be doubled when combustion products are injected into the shock layer.…”

Numerical analysis of the effect of local energy supply on the aerodynamic drag and heat transfer of a spherically blunted body in a supersonic air flow

“…By now, the possibility of implementation of this idea into practice has been supported by laboratory experiments [1][2][3][4]. Chernyi [5,6] studied numerically the interaction between a gas and an electromagnetic field and determined the gas-dynamic parameters of this process. Most gasdynamic results were obtained with the use of the heat-source model according to which the absorption of electromagnetic energy is modeled by heat release with a specified intensity distributed over a finite region of the flow.…”