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1)  discrete phase model(DPM)
离散相模型(DPM)
2)  DPM model
DPM模型
1.
The RSM model and DPM model were used to simulate gas-liquid two phases turbulent flow in the cyclone separator with CFD software FLUENT.
借助CFD软件FLUENT对该工况下旋风分离器内部的气液两相流进行了数值模拟,其中连续相采用雷诺应力湍流模型(RSM),离散焦油液滴采用DPM模型,通过数值模拟得出了旋风分离器内部的静压场、轴向速度场与径向速度场的分布云图、液滴相的轨迹图和焦油液滴的分离与分级效率。
2.
The results indicated that the simulation results of suspended particles movement by using DPM model showed a higher similarity comparing with the previous experiments.
采用CFD模拟技术,对迷宫式滴头流道内不同质量浓度的悬浮颗粒运动情况进行数字化模拟计算,并采用两相流动力学理论对迷宫式滴头结构尺度下的悬浮颗粒的随流性进行了分析,研究结果表明,采用DPM模型对悬浮颗粒分布特点的模拟结果与已有试验数据吻合度较高,可以作为模拟的手段;水流中颗粒质量浓度对滴头内部流场有着较强的反作用,应在模拟过程中予以重视;根据Stokes数的计算结果,10%左右的颗粒随流性差,可以认为导致滴头堵塞的物质主要来自于这一部分颗粒。
3.
By using the DPM model, horizontal saltation fluxes and dust emission fluxes and sandblasting efficiencies of 11 kinds of soil aggregates in northern deserts of China are calculated under different roughness lengths and differentwind friction velocitiesfrom 20 cm/s to 100 cm/s.
通过与实际观测结果进行对比的粗糙度和地表摩擦风速下粉尘释放通量后发现二者基本一致,从而证明了DPM模型是可以用来初步模拟中国北方沙漠地区的粉尘释放过程,这将有利于进一步较准确得模拟沙尘的输送、沉降以及气候效应。
3)  DPM
DPM模型
1.
The flow field inside an oil-gas separator are simulated with Discret Phase Model(DPM).
用DPM模型对油气分离器内的气液两相流流场进行了数值模拟。
4)  discrete phase models
离散相模型
1.
For gripping the distribution regularities of the dust, based 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 roadway driving with forced ventilation.
为了掌握粉尘的分布规律,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(DPM)对压入式通风掘进巷道中粉尘浓度进行了数值模拟。
2.
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(DPM)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。
5)  discrete phase model
离散相模型
1.
Erosion Analysis of the Bi-Cone Type Hydrocyclones Based on the Discrete Phase Model;
基于离散相模型的双锥型水力旋流器磨蚀分析
2.
In the Euler coordinate system the gas phase is expressed with the k-ε two-equation model, while in the Lagrange coordinate system the solid phase is expressed with the discrete phase model, and the random effect of turbulence on the particle dispersion is accounted for with the discrete random walk mo.
对连续相、颗粒相的计算分别采用k-ε双方程湍流模型和离散相模型,对离散相与湍流之间的相互作用采用随机跟踪模型。
3.
In Euler coordinate system the gas phase was expressed with k-ε model,in Lagrange coordinate system the solid phase with Discrete Phase Model(DPM),and the random effects of turbulence on the particle dispersion was accounted for with Discrete Random Walk(DRW) model.
为了优化分解炉内的气固二相流流场以提高其性能指标,基于一实际尺寸的SLC-S分解炉,分别对不同三次风速下的气固二相流场进行了数值模拟,其中对连续相、颗粒相的计算分别采用k-ε双方程湍流模型和离散相模型,对离散相与湍流之间的相互作用采用随机跟踪模型。
6)  fluent discrete phase model
Fluent离散相模型
补充资料:离散时间输入输出模型
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CAS号:

性质:一般讲离散是对时间而言的,即模型中的时间变量是以离散形式表达的,如线性微分方程的离散形式是线性差分方程,故离散时间输入输出模型就是输入输出模型中的时间变量离散的。在偏微分方程表达的模型中不仅可对时间变量进行离散而且还可以对距离变量进行离散。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条