流态
- Flow pattern;flow regime;flow state
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高流态模袋混凝土配合比设计及性能研究
Mix proportion design and performance study of high flow regime membrane bag concrete
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掺气分流墩台阶式溢洪道的水流流态和流速特性
Water Flow Regime and Flow Velocity Behaviors in Stepped Spillways with Aerated Piers
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卡克水流现象的临界判别条件通过分析,确定自回归阶数n的阈值,实现流态化过程监控。
Flow patterns were identified by threshold of order n.
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用Z值判别流态的临界状态摩阻值的分析
Analysis of the Critical Value of Friction Loss in Flow Pattern Determination by Using Z Value
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流态化合成氮化硅的鼓泡床热模试验与CFD模拟研究
Study on the Thermal State Experiment and CFD Simulation of Bubbling Fluidized Bed of Synthesis of Si_3N_4
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从水流流态及运转方式、流量和水质变化、其他环境因子(PH,温度,营养成分)等环境条件论述其对污泥膨胀的影响;
The environment conditions such as flowing state of the flow , operation manner , variation of water quality and other factors ( pH , temperature , nutrition ) etc.
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用流态化工艺制备WC-Co粉末
Preparation of WC-Co powder by the fluidization technology
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利用KCl与水相互作用呈现出来的类流态特征,进行岩石破裂机理及地震孕震机理的研究是一种新的方法。
According distinctions of quasi-fluid appeared after reciprocity of KCL and water , the rock burst and seismogenic mechanics were studied well .
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根据白砂糖颗粒的固有特点及其流态化特性,首次应用马尔科夫(Markov)过程建立了描述白砂糖流态化的随机数学模型。
A stochastic mathematic model described in white sugar fluidization was first set up using Markov process according to the characteristics of the particles and specific properties of fluidization for white sugar .
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应用该方法得出了Navier-Stokes方程湍流态的摄动方程,深刻地揭示了湍流的重要物理本性。
The turbulence perturbation equation of the Navier-Stokes equation has been obtained by using the method , which deeply reveals the physical essence of turbulence .
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进水有机物浓度越高则各格室的混合流态越好,ABR可在较低的上升流速下运行。
The higher the influent organic concentration , the better the hydraulic characteristics in each compartment , and ABR can operate at lower upward-flow velocity .
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实验结果表明:三相流态化反应器脱硫效率随着循环倍率、烟气喷射速度、浆液pH值、浆液浓度、反应温度、有无添加剂而发生变化。
The results indicated that the desulphurization efficiency differed with the change of circulating rate , the jet velocity of flue gas , the pH value and concentration of slurry , the temperature of reactio and the use of additive .
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改进了测量A-TIG焊熔池流体流态的方法。
A method for testing the flow pattern of the fluid in the weld pool of A-TIG welding is designed .
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气固循环流态化是一种高效的气固接触技术,在工业上有广泛的应用,但过去的研究大部分集中在对FCC颗粒(A类)。
Gas-solid circulating fluidization , as a high efficient gas-solid contact technology , is widely used in process industries . However , most previous investigations focused on the FCC particles ( Geldart A ) .
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结果表明:ABR的死区较小,远低于其他厌氧生物反应器;流态接近理想推流式;
The results show that the fraction of dead space is lower compared to other type anaerobic reactors , and the type of flow in the ABR tends towards plug-flow .
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配制C60高流态泵送砼时,需要采用较大用水量和减水剂掺量,故拌合物常有离析和泌水趋势。
When high flowing pump concrete of C60 is produced , more water and water reducing agent is used . So it often appears segregation and bleeding .
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介绍在CARDCFL23,FL-24,FL31以及水洞中典型的航天飞机轨道器模型流态观察的试验结果,并对结果作了初步分析。
This paper presents the test result of orbiter in CARDC FL-23 , FL-24 , FL - 31 and water tunnel . The preliminary analysis of test results also are given .
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在低速实验中,应用激光片光源和CCD摄像系统,对一装有前端襟翼和前缘襟翼的双襟翼74°后掠三角翼进行实时记录与流态显示的试验技术和图像的三维重建。
A recording system of laser sheet visualization comprising laser source and CCD camera was employed for the visualization and real time recording to investigate the flow past a highly swept delta wing equipped with apex flap and leading edge flaps .
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搅混流(churnflow)是气液两相通过竖直或倾斜管时,弹状流中的大气泡破裂形成的一个不稳定流态,是弹状流与环状流之间的重要过渡流型。
Churn flow is an instable flow pattern appeared when the bubbles explode in slug flow . As an important flow pattern happens in the transition between slug flow and annular flow , churn flow mainly appeared in vertical and inclined tubes .
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以基于计算流体力学的商用软件FLUENT为工具,用欧拉拉格朗日和欧拉欧拉方法对辐流式二沉池的流态,尤其是固相行为和分布进行了模拟研究。
The flow profile , with an emphasis on the solid behavior and distribution in a radial secondary sedimentation tank were simulated by using the commercial CFD software package FLUENT , and the Euler-Lagrange and Euler-Euler methods .
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本文分析了影响涵洞水流流态的各种因素,根据水力模型试验成果讨论涵洞结构形态变化对过涵水流流态判别式的影响,提出了对现行判别式中K值的修正方法。
Various factors influencing culvert flow pattern discriminant are analysed . Based on the results of hydraulic model experiment , influence of the change of culvert structure shape on flow pattern discriminant is discussed . Methods of correcting " K " in flow pattern discriminant are proposed .
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Froude准数和颗粒动能随时间的周期性脉动较好地反映了流化床内节涌流态化的气泡行为。
The pseudo-periodicity of Froude number and particle kinetic energy against time reflects exactly the gas-solid heterogeneous flow structure and motion of large gas bubbles in slug fluidized bed .
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此外,载体比重约为1.5g/cm~3左右,它可在曝气量为0.025m~3/h的条件下在反应器内呈良好的流态,从能耗上来讲,具有一定的竞争力和很好的前途。
Besides , the density of ceramic carrier is around 1.5g / cm ~ 3 , it could form a good internal fluidization in the reactor with the aeration of 0.025 m ~ 3 / h.
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采用喷雾式流态化液氮速冻及缓冻,研究了冻结速率对松茸多酚氧化酶(PPO)及过氧化物酶(POD)活性的影响。
Applying to slow freezing and liquid nitrogen quick freezer by the fashion of spray and flowed state , the effect of freezing-rate on polyphenoloxidase ( PPO ) and peroxidase ( POD ) activity in Tricholoma matsutake was studied .
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利用计算机模拟三相流态化下固定化细胞降解废水中的表面活性剂十二烷基苯磺酸钠(LAS)的动力学过程,包括固定化细胞颗粒内的反应-扩散过程。
The computer simulation is carried out for the degradation of linear alkylbenzene sulfonate ( LAS ) in waste water in a three phase fluidized bed reactor , and reaction diffusion processes in the immobilized cells are revolved .
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LTC-9560多功能流态床炉工艺试验
Technical Test in The LTC-9560 Multi-Purpose Fluid Bed Furnace
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在数值模拟污水处理单元的基础上,研究开发出一套处理溢流污水的一级化学强化处理工艺,并且对反应池和斜板斜管沉淀池进行CFD流态评估,证明新开发工艺是可行的。
Based on the above simulations for wastewater treatment units , a new Chemically-Enhanced Primary Treatment Process for Combined Sewer Overflows is developed and the flow pattern in reactor and the inclined-tube clarifier is assessed with CFD technology , results show that the process is feasible .
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研究了原材料和配制参数等对C60高流态泵送砼的压力泌水率的影响,并提出了改善C60泵送砼压力泌水率的措施。
Studies are carried out on the influence of the raw materials and the made parameters upon the rate of pressure bleeding of high flowing pump concrete of C60 . And the measures to prevent bleeding were provided .
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本文从数学力学原理出发,对驼峰堰淹没流态判别进行探讨,得到了驼峰堰临界淹没度(hs/H0)cr的理论计算式,可供实际工程参用。
Based on the basic principle of mathematics and mechanics , a critical submerged flow for camel hump weirs is studied , and a theoretical formuls of critical submerged criterion ( hs / H0 ) cr for camel hump weirs is presented .
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综合微波和流态化技术的优点,设计了微波流态化床反应器(MFB),并利用MFB进行了几丁质脱乙酰反应的研究。
Combining the advantages of both the microwave and fluidization technology , a microwave fluidized-bed reactor ( MFB ) was developed . Studies on its use in the deacetylation of chitin were carried out .