以流体力学三大守恒方程为基础，建立了等温和非等温条件下的燃气管网稳态和动态仿真理论模型。
The theoretical dynamic simulation models for stationary flow and transient flow under the isothermal and non-isothermal condition are set up based on the three conservation equations.
以双流体模型为基础，通过质量守恒方程和动量守恒方程的耦合，提出了液液两相系中弥散传质的连续波模型。
A continuity wave model is put forward for the dispersion process of liquid-liquid two-phase system, by coupling mass and momentum conservation equations of two-fluid model.
通过对流体的局部、瞬时守恒方程进行系综平均，得到了双流体模型的基本方程。
The basic equations of two-fluid model have been developed byapplying ensemble averaging to the local instantaneous conservation equations.
讨论了用隐式完全守恒差分格式求解流体力学方程组，用变分原理求解热传导方程等特点。
Features of solving the hydrodynamic equations by the fully conservative implicit difference scheme and solving the thermal conductive equations by the variational method are discussed.
基于流体力学守恒方程，建立了受限空间内部的能量产生、转移和损失模型，并给出了各种能量的计算方法。
Based on the Conservation equations of fluid mechanics, established the model of the internal energy generation, transfer, loss for the limited space and gave each energy computational method.
以求解双曲守恒律组的FD-WENO格式为基础提出了两类用于求解非守恒可压编理想流体力学方程组的数值方法。
Two classes of numerical methods based on FD-WENO schemes were recommended for solving nonconservative compressible ideal fluid dynamics equations.
依据瓦斯渗流理论、质量守恒定律和流体力学，建立了瓦斯流动数学模型的基本方程。
Based on the theory of gas percolation, law of mass conservation and hydrodynamics, basic mathematical equation of gas flow model was established.
依据瓦斯渗流理论、质量守恒定律和流体力学，建立了瓦斯流动数学模型的基本方程。
Based on the theory of gas percolation, law of mass conservation and hydrodynamics, basic mathematical equation of gas flow model was established.
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