| Autor: |
Bodrova, Anna, Levchenko, Denis, Brilliantov, Nikolay |
| Rok vydání: |
2014 |
| Předmět: |
|
| Druh dokumentu: |
Working Paper |
| DOI: |
10.1209/0295-5075/106/14001 |
| Popis: |
Distribution of granular temperatures in granular gas mixtures is investigated analytically and numerically. We analyze space uniform systems in a homogeneous cooling state (HCS) and under a uniform heating with a mass-dependent heating rate $\Gamma_k\sim m_k^{\gamma}$. We demonstrate that for steep size distributions of particles the granular temperatures obey a universal power-law distribution, $T_k \sim m_k^{\alpha}$, where the exponent $\alpha$ does not depend on a particular form of the size distribution, the number of species and inelasticity of the grains. Moreover, $\alpha$ is a universal constant for a HCS and depends piecewise linearly on $\gamma$ for heated gases. The predictions of our scaling theory agree well with the numerical results. |
| Databáze: |
arXiv |
| Externí odkaz: |
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