| 1. | Study on mbr wity three - state rotating fluid 三相旋转流应用于膜生物反应器的研究 |
| 2. | The strong swirl turbulent flow in cyclone separators caused major difficulties in modeling their internal gas - solid flows 旋风分离器内部气-固两相流场是极其复杂的三维强旋转流流动。 |
| 3. | The generating and controlling system of the upstream runoff , downstream tidal current and rotational flow in the physical model test for the yangtze river estuary deep channel training project is introduced 摘要介绍了长江口深水航道整治工程物理模型试验中配置的上、下游潮汐及旋转流发生和控制系统。 |
| 4. | Sconed , the tangential shear velocity and the radial particle diameter distribution are derived according force balance in the annulus , in order to reduce or pervent the particle to remove toward the membrane surface 第二、根据粒子的力平衡理论推导出旋转流中粒子不向膜面沉积的周向剪切速率及径向粒径的分布规律,并指出径向速度对粒子沉积的影响。 |
| 5. | Through measuring residual swhirling flow field in the flue duct of a real boiler , and analysing layout features of front and back platen supe - heaters in large - scale tangential firing boilers , the flue gas energy distribution regularity in horizontal flue duct of tangential firing boilers has been studied 摘要通过对实际锅炉烟道烟气残余旋转流场的测量及大型切圆燃烧锅炉前、后屏过热器的布置特点分析,研究了切圆燃烧锅炉水平烟道烟气能量的分布规律。 |
| 6. | Abstract : concentration polarization and fouling of membrane are the key problen which has effected in widening use of microfiltration . based on understanding on the flux decline and lateral migration deposition of porticles in tubular membrane , some analysis on effect factors of enhancement of microfiltration within tubular membrane with rotation flow is introduced , in this paper 文摘:浓差极化和膜污染是阻碍微滤广泛应用的关键难题,在认识理解颗粒迁移沉积和过滤速率下降的基础上,本文对旋转流管式膜微滤进行了一定的探讨分析。 |
| 7. | Microfilltration within stationmary tubular membrane elements with rotating flow is one of the most efficient method to enhance crossflow microfiltration , but its flow field characteristics are far from understanding and its filtration characteristics are also had to reseach , because the rotating flow field are superposed by rotating shear flow and axial flow and radial permeate flow 旋转流静止管式膜微滤是十字流强化微滤的有效方法之一,但由于其受到旋转剪切流、轴向剪切流及径向渗透流的三维流场作用,其流场特性有待探索,其分离特性也有待深化认识。 |
| 8. | Fisrt , the flow field of radial and tangential annulus with rotating flow are made by using an advanced piv system , its flow field characteristics are obtained preliminary probed . it is found that the flow field characteristics are not the same between unpermeateing flow and have permeateing flow , otherwise the flow field is compared between rotating flow and dynamic tubular membrane 首先通过采用先进的piv测试系统,对旋转流膜器的径向环隙和切向环隙处的流场进行了实测,初步探讨了其流场特性,发现在无渗透流和有渗透流的情况下其流场并不相同,并与旋转动态膜的分离特性进行了比较。 |
| 9. | In this dissartation , by using the particle image velocemetry ( piv ) system and microfiltration of incompressible inorganic salt powder systemic investigation are made on the flow field of polyacrylate tubular membrane elements with rotating flow . it is compared the slurry inlet method between tangential and axial 本文通过piv激光测试系统首次对聚丙烯( pa )旋转流管式膜流场进行了实测,并利用sio _ 2进行分离实验,比较两种不同的切向进料方式对过滤与分离的影响,并与普通十字流过滤进行比较,提出了旋转流膜管的再生方式。 |
| 10. | The gas - flow in the annular cross section is study , and it is clarified that in such a physical model when rotor is rotating at high speed , the nature - flow is restrained by rotating - flow , so the actual 3d gas - flow field in the wedge - shape air - gap can be simplified to an axial symmetric quasi - 3d gas - flow field 通过对环形横截面内二维气隙流场的研究,说明在本文研究问题中,旋转流对自然流具有强烈的抑制作用,从而将实际上的三维流场简化为轴对称准三维流场进行研究。 |