1)  gas-particle two-phases flow
气、粒两相流
2)  gas-particle flow
气粒两相流
3)  gas-solid flow
气粒两相流动
1.
Upward gas-solid flows were studied by visualization.
本文采用流动显示方法对竖直槽道中稠密气粒两相流动的瞬态结构进行了研究,发现当表观气速高于管道流态化的最小临界速度但低于节涌状态向湍动状态过渡的临界速度时,槽道中没有明显的气泡出现,而是形成一条穿过颗粒密相区的气流通道。
4)  gas-particle flows
气粒两相流动
1.
The effect of wall roughness on gas-particle flows in a horizontal backward-facing step is studied using a phase-Doppler particle anemometer (PDPA) by measuring the mean and RMS particle velocities.
用相位多普勒颗粒测速仪(PDPA)测量了颗粒的平均与脉动速度,研究了壁面粗糙度对水平后台阶气粒两相流动的影响。
2.
A two-fluid-trajectory (CT) model together with k-ε-kp two-phase turbulence model, EBU-Arrhenius model of volatile and CO combustion, DO radiation model, models of moisture evap- oration, devolatilization and char combustion, is used to simulate 3-D gas-particle flows and coal combustion in a tangentially-fired furnace.
本文首次用双流体一轨道(连续介质-轨道CT)模型对大尺寸四角喷燃炉内气粒两相流动及煤粉燃烧进行了模拟。
3.
Starting from the instantaneous equations of turbulent combusting gas-particle flows and the concept of probability density distribution function (PDF) in statistical me chanics, the Eulerian and Lagrangian velocity-mass-enthalpy joint PDF transport equation of combusting particle phase is derived and a gradient modeling is used as the closure of the conditional expectation term in this equation.
由有燃烧的湍流气粒两相流动的瞬态方程和统计力学概率密度函数概念出发,推导了有燃烧颗粒相的质量-动量-能量联合概率密度函数(PDF)输运方程,并对方程中条件期望项用梯度模拟概念进行了模拟封闭。
5)  turbulent gas-particle flows
湍流气粒两相流动
6)  gas
1.
Enrichment features of oil,gas,coal and uranium in Ordos Basin;
鄂尔多斯盆地油、气、煤、铀富集特征分析
2.
This article annotates Fengshui's "gas", "pulse" and "shape" from the point of view of (science), and it also narrates the close relation of Fengshui and eco-environmental protection.
通过对风水学的再研究,发现在很早以前的风水学中就有可持续发展的思想,本文从科学的角度对风水学中的"气","脉","形"进行重新诠释,并叙述了风水与生态环境保护密不可分的关系。
3.
After bacterial degradation, the gas generation rate of Chlorella increased by 209%, and the value of hydrocarbon gases to non-hydrocarbon gases was doubled.
本文对比研究了枯草杆菌降解作用前后小球藻热模拟生成的气、油和类干酪根的特征。
参考词条
补充资料:两相球粒模型
分子式:
CAS号:

性质:又称折叠链缨状胶束粒子模型或两相球粒模型。模型认为,非晶态高聚物存在着一定程度的局部有序。其中包含粒子相和粒间相两个部分,而粒子又可分为有序区和粒界区两个部分。在有序区中,分子链是互相平行排列的,其有序程序与链结构、分子间力和热历史等因素有关。它的尺寸为2~4nm。有序区周围有1~2nm大小的黏界区,由折叠链的弯曲部分、链端、缠结点和连结链组成。粒间相则由无规线团、低分子物、分子链末端和连结链组成,尺寸1~5nm。模型认为一根分子链可以通过几个粒子和粒间相。

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