| 1. | Numerical simulation of inner flow field in hydrocyclone with rsm model
雷诺应力模型对旋流器内流场的数值模拟 |
| 2. | Reynolds stress model
雷诺应力模型 |
| 3. | The reynolds stress model was used to simulate the flow field during the filtration and back pulse process in the ceramic filter vessel containing three filters
摘要用雷诺应力模型模拟了含有三根滤管的过滤器内过滤和反吹的整个过程的流场。 |
| 4. | As to the gas phase flow field , author chooses the standard k - model , the realizable k - model and the reynolds stress model to make simulation and comparison
对于气相流场，本文作者针对k -双方程模型，可实现性k -双方程模型以及雷诺应力模型进行了模拟比较。 |
| 5. | When dealing with a low swirl number flow , the results by renormalization group ( rng ) k - ? model agree well enough with experiments , so we do not have to apply reynolds stress model ( rsm )
在计算弱旋气相流动时， rng ?模型可以满足工程上的精度需求，因而没有必要运用计算量很大的雷诺应力模型。 |
| 6. | But when the swirl number is high , we have to resort to rsm , because of the obvious differences between experimental and numerical results by the models based on " effective viscosity "
但是，在强旋流动中，基于“有效粘性”的各个模型的计算结果和实验相差很远，只有采用雷诺应力模型才能得到较为满意的结果。 |
| 7. | In the same case of the initial conditions and boundary conditions the expectation result of the realizable k - model and the reynolds stress model is better to the standard k - model , and moreover the expectation result of the reynolds stress model is close to the test result
发现在相同初始条件和边界条件下、可实现性k -双方程模型和雷诺应力模型预报结果优于k -模型，而雷诺应力模型预报结果与试验结果更为一致。 |
| 8. | At the same time , it presents three turbulence models ( standard k - ? model , renormalization group k - ? model and reynolds stress model ) which have been used widely at present , and then their merits / shortcomings have been compared while being used to calculate swirling jets
文中对目前应用较多的?模型、重正化群( rng )的?模型及雷诺应力模型进行了理论上的分析，经过对不同旋流强度的旋转射流的计算，比较了它们在实际求解中的优劣。 |
| 9. | Next , aiming at the state of the art in engineering turbulence models , one extended explicit algebraic reynolds stress model to simulate anisotropic buoyant turbulent flows . validation was done using experimental and other numerical results of turbulent thermal mixing in t - junction flows
进一步的，针对当前考虑浮力作用紊流模型的研究现状，导出了适合模拟各向异性的浮力紊流的显式代数雷诺应力模型，并利用t型交叉管内的温度混合试验成果进行了分析验证。 |
| 10. | In this thesis , the strongly swirling turbulent flow in gas - solid cyclone separators is simulated using the standard k - ? rng k - and reynolds stress equation models ( dsm ) . it is demonstrated via comparison between the simulation results with experimental data that the dsm model is superior to the other models
针对分离器内部的这种复杂气-固两相湍流运动，本文采用了标准k -模型、 rngk -模型和雷诺应力模型( ssg ) ，利用贴体网格技术，模拟计算了分离器内部流动，并将计算结果与实验数据进行分析、比较。 |
