Cascades of temperature and entropy fluctuations in compressible turbulence

Cascades of temperature and entropy fluctuations are studied by numerical simulations of stationary three-dimensional compressible turbulence with a heat source. The fluctuation spectra of velocity, compressible velocity component, density and pressure exhibit the $-5/3$ scaling in an inertial range...

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Veröffentlicht in:	Journal of fluid mechanics 2019-05, Vol.867, p.195-215
Hauptverfasser:	Wang, Jianchun, Wan, Minping, Chen, Song, Xie, Chenyue, Wang, Lian-Ping, Chen, Shiyi
Format:	Artikel
Sprache:	eng
Schlagworte:	Cascades Compressibility Compressibility effects Computational fluid dynamics Computer simulation Constants Decomposition Energy Entropy Fluctuations Fluxes Heat conductivity JFM Papers Numerical analysis Pressure Reynolds number Scaling Simulation Spectra Star & galaxy formation Temperature distribution Temperature fields Turbulence Velocity Velocity distribution Viscosity
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