查询词典 discrete flow

Basing on the theory of two-phase flow of gas and solid, and the characteristics of coal mine driving working face , using the discrete phase models of computational fluid mechanics to simulate the dust concentration during the ventilation process of coal drift driving with exhaust ventilation.

根据气固两相流理论，针对矿井掘进工作面的特点，采用计算流体力学的离散相模型对掘进工作面通风过程中粉尘浓度进行数值模拟，总结抽出式通风掘进巷道中粉尘浓度的沿程分布及变化规律。

Rectangular and unstructured hybrid grids, re-normalization group k-ε turbulence model and discrete ordinates radiation model were adopt for the steady-state numerical calculation of air velocity filed and temperature filed, and obtained the distribution of air flow velocity and temperature in the passenger compartment.

采用矩形与非结构混合网格、RNGκ-ε两方程湍流模型、DO辐射模型对车室内的空气速度场及温度场进行了稳态数值模拟计算，获得了车室内空气流速及温度的分布情况。

In calculation, it was assumed that nozzle flow was frozen, and convective and radiative heat transfer from gas to nozzle wall was considered. Governing equations were discretized with second order upstream scheme and radiative heat transfer equation was solved with Discrete Ordinates method.

在计算中，假定喷管流动为冻结流动，考虑燃气向壁面的对流换热和辐射换热；采用二阶迎风格式离散控制方程，采用DO模型离散求解辐射换热方程，水蒸气的吸收系数根据Leckner公式计算。

Nozzle flow was assumed to be frozen, and convective and radiative heat transfer from gas to solid wall was considered. Discretization of the governing equations was performed with two order upstream scheme, and radiative heat transfer equation was solved with Discrete Ordinates method. Absorption coefficient of water vapor was calculated by Leckner formula.

计算中，假定塞式喷管中的流动为冻结流动，考虑燃气向壁面的对流换热和辐射换热；采用二阶迎风格式离散控制方程，及DO模型离散求解辐射换热方程，水蒸气的吸收系数根据Leckner公式计算。

In chapter 2, the mathematical model which governs the flow in non-circular crosssection channel is established, FEM is used to discrete the equations.

为工程实际中设计和选择异形断面流道提供依据。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。