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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。
- Axial flow type and ballistic type. The speed of impeller depends on the speed of wind. 叶轮有两种:轴流式、冲击式。叶轮受到大小不同的风力就有不同的转速。
- 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。
- Flow profile and flow type also transited along pipeline inter thermal stations. 在加热站间管道沿线,流态和流型随着温度的变化也会发生转变。
- Wavelike slug -flow is a representative flow type in horizontal pneumatic conveying. 波状栓塞流是气力输送中的一种典型流型。
- 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。
- Put forward the means of compartmentalizing the flow type and the universal formula for the pressure decline of gas-liquid . 分析得出了气液两相流型划分的方法;推导出了气液两相压降计算的通式。
- 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。
- The geometry of guide vane is the important factor affecting the separation performance of the axial flow type gas-liquid cyclone. 对于低含液浓度的气液两相流,轴流式气液旋流器具有良好的分离性能。
- 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。
- Based on the structure features of transverse and counter flow type cooling towers,revamping for cooling tower through structure optimization was explored. 从横流式和逆流式冷却塔的结构特点出发,探讨以结构优化方式改造冷却塔的途径。
- 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。
- Nowadays, the type of foodstuff dryer in our country is too few, and most of them are crosscurrent model or mixed flow type,which need very huge investment. 目前,我国粮食干燥机形式较为单一,多数为大型的横流式和混流式干燥机,投资大、利用率低,市场上缺少小型简单高效的干燥机。
- 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