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Dynamic structure factor in single- and two-species thermal GBL lattice gas

机译:单种和两种热GBL晶格气体中的动态结构因子

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摘要

The two-dimensional 19-bits GBL lattice gas model conserves energy in a non-trivial way, allowing temperature, temperature gradients, and heat conduction. We describe the thermodynamics of the model, its equilibrium properties, and confirm the change of sound speed with energy density at fixed density with simulation results. The sound speed, the sound damping, and the thermal diffusivity are extracted from the dynamic structure factor and shown for various energy densities at fixed density. We have extended the 19 bits GBL model with multiple-species (miscible fluid model) and have measured the dynamic structure factor for this two-component thermal lattice gas model.
机译:二维19位GBL晶格气体模型以非平凡的方式节省能量,从而允许温度,温度梯度和热传导。我们描述了模型的热力学,其平衡性质,并通过仿真结果确认了声速随能量密度在固定密度下的变化。从动态结构因子中提取声速,消声和热扩散率,并以固定密度显示各种能量密度。我们用多种物种扩展了19位GBL模型(混溶流体模型),并测量了该两组分热晶格气体模型的动态结构因子。

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