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- Study on the Effect of PAM on Abrasive Jet Flow PAM对磨料浆体射流速度的影响规律研究
- abrasive jet flow 磨粒喷射
- This paper provided basis for application of rotary abrasive jet in drilling radial horizontal wells. 该试验研究为磨料旋转射流应用于径向水平钻井提供了基础。
- The presence of striation area is one of the main characteristic on the surface generated by abrasive jet. 摘要波纹区域的存在是磨料射流切割表面的主要特征之一。
- Abrasive jet by collimating tube is a sort of posterior mixing abrasive jet, which is applied usually in cutting field and rarely in cleaning and descaling. 准直管磨料射流是后混式磨料射流的一种,通常应用于切割领域,在清洗、除垢方面的应用还较少见。
- 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。
- The paper attaches much importance to the numerical control system of the premixed abrasive jet and discusses the overall project in the numerical control system in detail. 本文以前混合磨料射流数控系统为研究方向,详细论述了数控系统总体方案。
- The material removal models of two-body lapping, three-body polishing and abrasive jet machining were established based on the machining mechanism and the numb... 利用平面磨床进行了磨粒喷射精密光整加工实验,实验结果验证了依据机理所建立的材料去除模型,且实验结果和模型吻合很好。
- 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 new technology of magnetic abrasive finishing (MAF) has been theoretically discussed in the article,which is a magnetic abrasive jet machining system. 提出了一种新的磁力研磨工艺磁粒喷洒加工系统。
- 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。
- This paper introduces a new type of abrasive jet feeding system and its chiefparamenters. Test results indicate that the system can achieve the function of surfacetreatment for objects. 介绍了一种新型的磨料射流供料系统。对系统的主要参数进行了研究。试验表明该系统可实现对物体表面的喷饰功用。
- 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。
- This model is helpful in improving experimental understanding of the key techniques of oil well slotting by abrasive jet, and provides reliable basis for downhole cutting parameter design. 该模型的建立有助于提高磨料射流油井割缝关键技术的试验认识,为井下切割参数的设计提供可靠依据。
- 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。