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Frequency spectra of turbulent thermal convection with uniform rotation
Hirdesh K. Pharasi, Krishna Kumar, Jayanta K. Bhattacharjee
The frequency spectra of the entropy and kinetic energy along with the power spectrum of the thermal flux are computed from direct numerical simulations for turbulent Rayleigh-Béna…
Oscillatory instability and fluid patterns in low-Prandtl-number Rayleigh-Bénard convection with uniform rotation
Hirdesh K. Pharasi, Krishna Kumar
We present the results of direct numerical simulations of flow patterns in a low-Prandtl-number () fluid above the onset of oscillatory convection in a Rayleigh-Bénard sy…
Entropy and energy spectra in low-Prandtl-number convection with rotation
Hirdesh K. Pharasi, Krishna Kumar, Jayanta K. Bhattacharjee
We present results for entropy and kinetic energy spectra computed from direct numerical simulations for low-Prandtl-number () turbulent flow in Rayleigh-Bénard convection…