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- 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。
- 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。
- The article calculates unsteady jet flow in concentric canister launcher with three different clearances between inner canister and outer canister. 文中针对三种不同内、外筒间隙的同心筒发射装置,对其发射过程中发射筒内的燃气射流流场进行了非定常数值模拟。
- The reasons were studied based on upstream and downstream height difference and jet flow elevation design, as well as energy dissipation mechanism. 从上下游堰顶高差、挑流平台高程设计及消能等方面,分析了结构物产生破坏的原因。
- In this paper,fluid mechanics was applied to analyze the flow field of swirling jet flow and guide the twisting and untwisting of pneumatic splice. 用流体力学分析旋转射流的流场，来指导气流捻接的解捻与加捻。
- The influence of density ratio on the characteristic frequency of coherent structure on the centreline of low Re number free round jet flow has been investigated with Dual PDA. 采用激光粒子动态分析仪研究了低雷诺数时密度比对自由圆射流近喷嘴区轴线相干结构特征频率的影响。
- Numerical simulation and cold status test of jet flow of coherent jet oxygen lance and common oxygen lance for arc furnace steelmaking have been carried out by CFX5.7.1 Software. 用CFX5.;7
- Supersonic jet flow structure was analyzed at different work condition. Based on FW-H equation and LES model, under expanded supersonic jet noise was simulated. 分析了不同工作状态下的超声速喷流结构，采用LES模拟了欠膨胀状态的超声速喷流流场的激波结构，对该状态进行了非定常计算，结合FW-H方程模拟了喷口处气动声辐射频谱图。
- Thrust vectoring jet flow interferes the flow over aircrafts,drives its aerodynamic load to vary,and may potentially influence the controllability of aircrafts. 矢量推力喷流对飞行器绕流具有干扰作用,引起飞行器气动载荷变化,对飞行器操纵性也有潜在影响。
- 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。
- That boxer is a prodigious feed. 那个拳击家是个大肚汉。
- It can break rock to drill by using multiple nozzles to form multiple jet flow, and have efflux energy distribution characteristic of local conformity and integer stack. 采用多孔喷嘴形成多股射流组合，使射流能量分布具有局部集中和总体叠加包络的特点，能够有效地实现破岩钻孔。
- The flier is flying a new-type jet plane on trial. 飞行员正在驾驶一架新式喷气机作试验飞行。
- Unwaged members pay a lower entrance fee. 无固定收入的人入场费从优。
