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- By means of superposing ring turbulent jet flow with confluent flow, the mathematical model of flow-field of wind-curtain dust-catching fan is established, which provi... 将环形紊流射流与汇流进行叠加,建立了风幕集尘风机流场的数学模型,为风幕集尘风机的应用奠定了理论基础。
- An Experimental Measurement for the Scaling Law in the Boundary Layer of Circular Turbulent Jet Flow 自由湍射流边界层标度律的实验测量
- The experimental study of convection characteristics of the multi-scale eddy structure in turbulent jet flow 圆自由射流多尺度涡结构迁移特性的实验研究
- Keywords wind-curtain dust-catching fan;short-circuit flow field;ring turbulent jet flow;confluent flow; 风幕集尘风机;短路流场;环形紊射流;汇流;
- turbulent jet flow 紊动射流
- A turbulent jet issuing transversely into a uniform crossflow is an important type of fluid flow and can be found in many engineering applications. 对横向紊动射流流场结构、流动机理的研究具有重要的学术意义,同时对解决工程应用中存在的许多问题具有指导作用。
- The PIV technique is applied to visually measure the flow field in the vicinity of the exit of slot turbulent jet with limited width discharged into cross-flow from bottom. 摘要本文应用PIV流动显示技术详细测量了有限宽度窄缝射流从底部射入横流的流场结构。
- The tapered windscreen flow field of the fan is composed of the outer ring turbulent jet and the inner sink, which tightly closes gas and dust to ensure the safety production. 风扇环形外腔产生的正压湍流射流在内腔负压汇流作用下形成锥形风幕流场,将处于流场范围内的气体及粉尘严密封闭起来,使安全生产得到保障。
- Measures the time mean velocity and velocity fluctuation using a hot film anemometer with different confinement ratio for the axisymmetric turbulent jet in a dead-end tunnel. 介绍了采用热膜流速仪量测堵头管中不同受限度轴对称射流的时均流速和流速脉动。
- Analyzing the structure and properties of grinding fluid jet, the velocity distribution field of round turbulent jet is discussed theoretically and simulated. 根据等压力原理,建立了磨削液能够冲破高速空气带而进入磨削区所必需的喷嘴出口速度模型。
- The jet flow radiation computational method of axis-symmetry nozzle and rectangle nozzle are also discussed. 研究了轴对称喷管和二元矩形喷管喷气流辐射的计算方法。
- There are two flow forms in the stepped spillways , which are skimming flow and jet flow. 1:研究表明台阶式溢洪道的水流流态可以分为跌落流和滑行流两种流态。
- A polyphase flow numerical analog analysis has been made of the high pressure jet flow field, by way of CFD. 利用计算流体动力学(FD)方法对高压水射流流场进行了多相流的数值模拟分析。
- A polyphase flow numerical analog analysis has been made of the high pressure jet flow field,by way of CFD. 利用计算流体动力学(CFD)的方法对高压水射流流场进行了多相流的数值模拟分析。
- The article calculates unsteady initial shock wave produced by jet flow in launcher. 文中对贮运发射箱内燃气射流产生的初始冲击波流场进行了非定常数值模拟。
- And the jet flow field of 4 nozzles of a PDC bit is tested by simulating the bottomhole flow field of the bit. 在模拟PDC钻头井底流场的条件下,对PDC钻头4个喷嘴的射流流场进行了测试。
- Emissions of oxides of nitrogen (NOx) from combustion devices is a topic of tremendous current importance.The bulk of the review of NOx emissions has been in the field of turbulent jet flames. 贫油燃烧符合节能低污染的能源利用方式,但是贫油预混火焰不像扩散火焰有较大的操作区间,当量比过低后火焰也无法稳驻。
- The semi freedom short circuit is superposed by parallel plane flow, confluence and ringy turbulence jet. 半自由状态下的短路流场是平行平面流、环形紊流射流及汇流叠加而成。
- The nondimensional curve of speed individual maximum decrease along jet flow was obtained for the first time. 首次得出不同空燃比下速度分量的最大值沿射流长度衰减的无因次曲线。
- The high speed jet flow thus formed, guided by the rotating nozzel, scours repeatedly on the tank bottom at an angle of 3. 为防止原油储罐中沉淀物沉积,国外一些公司采用了皮托管射流器系统进行清渣除淤工作。