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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Microphysical and non-thermal processes in the circumgalactic medium: turbulence, magnetic fields and cosmic rays
银河系 周介质 微物理 非热过程 湍流 磁场 宇宙射线
2023/4/18
Multiphase gas structure is ubiquitous in our universe. Recent observations suggest that large quantities of cool (10^4 K) gas are detected in the circumgalactic medium (CGM) of galaxy halos, which ex...
Rotational diffusion of particles in turbulence
particle-laden fl ows homogeneous turbulence isotropic turbulence multiphase fl ows
2014/4/1
Through laboratory measurements, we compared the rotation of spherical and ellipsoidal particles in
homogeneous, isotropic turbulence. We found that the particles’ angular velocity statistics are wel...
We propose a string theory of turbulence that explains the Kolmogorov scaling in 3+1 dimensions and the Kraichnan and Kolmogorov scalings in 2+1 dimensions. This string theory of turbulence should be ...
Tangling clustering of inertial particles in stably stratified turbulence
inertial particles stably stratified turbulence
2010/4/8
We have predicted theoretically and detected in laboratory experiments a new type of particle clustering (tangling clustering of inertial particles) in a stably stratified turbulence with imposed mean...