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- Not only were there the gas solid two phase turbulent flows, but also there were heat transfer and cracking reaction in the commercial flow catalytic cracking(FCC) riser reactors. 工业催化裂化提升管反应器内既存在着气固两相的湍流流动,又存在着传热和裂化反应,而且这些过程是相互影响、高度耦合在一起的。
- gas - phase turbulent flow 气相湍流流动
- Study of enhanced heat transfer of single phase turbulent flow of kerosene in internally ribbed tube 内螺纹管中煤油单相紊流强化传热研究
- two- phase turbulent flow 两相湍流
- Therefore, the nozzle contour of circuit breaker affect directly the production and development of the turbulent flow in blowing gas flow. 断路器喷口的形状结构对吹弧气体中湍流的产生和发展具有最直接的影响。
- When the tube is biforked,the additional turbulent flow will be produced,which will improve the flame transmission speed in gas explosion. 管道分叉时,产生附加湍流,使瓦斯爆炸过程中火焰的传播速度迅速提高。
- A new mathematical model of FCC riser reactor was acquired by combining oil gas turbulent flow and coupling lumping dynamic models. 该模型对工业提升管反应器的出口模拟结果与现场标定结果一致,证明了模型科学合理。
- The great deal of circulating gas and the strongly turbulent flow in the circle passage are the main factors causing the hoop pressure distribution varied in non monotonic way. 环形通道内存在大量循环气流和强烈湍动,切向速度分量远大于径向速度分量,导致周向压强分布的非单调变化。
- The great deal of circulating gas and the strongly turbulent flow in the circle passage are the main factors causing the hoop pressure distribution varied in non-monotonic way. 环形通道内存在大量循环气流和强烈湍动,切向速度分量远大于径向速度分量,导致周向压强分布的非单调变化。
- The numerical simulation of turbulent flow in a FCC disengager was carried out. 采用数值模拟方法模拟了一种典型FCC沉降器内的紊流过程。
- The turbulent flow fields in hydrocyclones are simulated by means of RSM model. 采用雷诺应力模型(RSM)对一种旋流管内部的单相流动进行了湍流数值模拟。
- This paper has studied the mass transfer at two phase flow fluid interface in turbulent flow and suggested a dimensionless mumber equation of two phase flow fluid interface mass transfer. 本文在详细讨论了湍流情况下两相流体界面处各种力对传质的影响以后,提出一种改进的两相流体界面处在湍流情况下的传质准数方程,以期得到一种符合实际情况的传质数学模型。
- two - phase turbulence flow 两相流
- Under fully developed turbulent flow, the flow coefficient of compressible gas is constant, and that of incompressible gas is smaller than the truth, the error is relative only with pressure ratio. 充分发展时,可压缩气体的流量系数恒定不变,不可压缩气体的流量系数比真实值偏小,误差大小只与压力比有关,并随着压力比的增大而增大。
- The instability would invariably cause a turbulent flow that would transport angular momentum outward and dissipate gravitational binding energy. 这个不稳定性一定可造成乱流,向外传送角动量,并消耗重力束缚能。
- The turbulent flow in a straight channel was numerically simulated with LES of algebraic modelling. 该模型首先用于直槽道内的湍流运动的数值模拟。
- Because of the large velocities ordinarily involved, there is a region of turbulent flow behind the ball, as shown. 一般由于高速,在球的后面有湍流区域,如图中所示。
- Service in systems involving rapid and frequent flow reversals, pulsation or turbulent flow should be avoided. 应该避免应用在迅速和频繁倒流,脉冲波动或湍流的管道系统中。
- The paper gives a numerical simulation of the high-speed turbulent flow in the plunge pool using ASM turbulent model. 本文采用ASM紊流数学模型对水垫塘内高速强紊动水流进行了数值模拟。
- The turbulent flow field within dynamic hydrocyclone was simulated by means of RSM model. 采用雷诺应力模型对动态旋流器湍流流场进行模拟。