Volume 28 Issue 1
Jan.  2008
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HOU Meiying, LIU Rui. Gas-liquid Like Phase Transition in Granular Gases Under Zero Gravity[J]. Chinese Journal of Space Science, 2008, 28(1): 1-5. doi: 10.11728/cjss2008.01.001
Citation: HOU Meiying, LIU Rui. Gas-liquid Like Phase Transition in Granular Gases Under Zero Gravity[J]. Chinese Journal of Space Science, 2008, 28(1): 1-5. doi: 10.11728/cjss2008.01.001

Gas-liquid Like Phase Transition in Granular Gases Under Zero Gravity

doi: 10.11728/cjss2008.01.001 cstr: 32142.14.cjss2008.01.001
  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2008-01-15
  • Granular systems are intrinsically far from equilibrium for their many-body and dissipative nature.Driven by external foroes,they can behave like that of solids,liquids,or gases.In dilute granular gases,clusters usually form due to dissipation,which leads to inhomogeneous density distributions.Such a local condensation shows spontaneous symmetry-breaking instability and negative compressibility,just sa droplets form in vapor.In this paper,a three-dimensional model for granular gases under zero gravity is investigated,and calculations predict such a gas-liquid like phace transition.Molecular dynamics simulations show good agreements with the theoretical results.The numerical results shall provide detailed experimental parameters for the further related space exteriments.

     

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