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- compressible fluid jet 可压缩铃射流
- The weakly compressible fluid control equations and the large eddy simulation turbulence model are expounded. 摘要阐述了二维弱可压缩流体流动控制方程和大涡模拟湍流模型。
- The weakly compressible fluid model based on the Mach uniform method introduced by Peter Wesseling was developed. 采用该模型结合标量衍射理论对连续激光在封闭充气管道中受到的气体热效应影响进行了数值仿真。
- During the process of, NGH generation, ejector jet pump is working without control and fluid jet always kept upward at high speed. 水合物生成实验始终保持喷射器处于自由抽吸状态,流态为高速向上的喷射型。
- The course begins with the basics of compressible fluid dynamics, including governing equations, thermodynamic context and characteristic parameters. 本课程从可压缩流体动力学的基础开始讲起,内容包括控制方程,热力学背景知识和特性参数。
- The technique of inserting weft in a fluid jet achieves weft-insertion rated comparable with those achieved by the Sulzer weaving machine, but there are width limitations. 利用流体引纬时,织机的入纬率与苏尔寿片梭织机相近,但这种引纬方法在织物幅宽上受到限制。
- 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。
- This book leads directly to the most modern numerical techniques for compressible fluid flow, with special consideration given to astrophysical applications. 这本书为可压缩流体流动直接导致最现代的数值技术,带有特别的考虑对天体物理学的申请给。
- For compressible fluids, where pressure drop exceeds half the inlet pressure. 对于可压缩性流体,如果压降超过进口压力的一半。
- The fluid jet polishing system is guide a pre-mixed slurry to the surface with a high speed by the use of a nozzle, and the material is removed by the collision and shear action between abrasive grain and the workpiece. 它是利用由小喷管喷出的混有磨料粒子的高速抛光液作用于工件表面,借助于磨料粒子的高速碰撞剪切作用达成材料去除的目的。
- The boundary element method(BEM) fot compressible fluid and the improved multi-segmental transfer matrix method of thin, elastic axisymmetric shells is employed to solve the coupled vibration of shell filled with fluid. 联合采用可压缩流体的边界元法与轴对称弹性薄壳的改进多节传递矩阵法,求解内部充液的椭球壳的耦合振动。
- Using the weakly compressible fluid model and scalar wave equation,a numerical study was carried out for the gas thermal effects on laser propagating in a closed tube full-filled with air. 仿真结果与实验结果的对比表明,弱可压缩流计算模型能更精确地反映非自由边界热对流对气体密度分布的影响,进而反映流场对光束的影响。
- Based on the theory of unsteady flow of compressible fluid and the seepage theory of formation fluid, the mathematical model of the gas transient flow in the wellbore has been established. 基于可压缩流体不稳定流动理论及地层流体渗流理论,建立了气体钻井过程中井筒瞬态流动的数学模型。
- The governing equation of viscous compressible fluid and the boundary conditions for injection molding was formulated, based on which the governing equation about pressure field was derived. 建立了黏性可压缩流体的控制方程,给出了适合注射成型特点的边界条件及黏度模型,导出了求解压力场的控制方程。
- 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。
- Based on the movement equation of compressible fluid, a time-dependent finite element formula for analysis of hydrodynamic pressure on retaining structure during earthquakes is derived. 根据可压缩流体运动方程,推导建立了求解挡水结构动水压力的时域有限元公式。
- The mechanics of fluids is subdivided into the study of incompressible fluids and compressible fluids. 流体力学的研究对象可再分为不可压缩的流体和可压缩的流体。
- The dark outline of a jet loomed through the mist. 喷射机的黑色轮廓在雾中隐隐显现。
- Fluid is conveied to bit nozzel through drill string from pump is a transient state flowing with pressure wave, which makes the fluid jetted out from nozzel has certain pulsation. 从钻井泵经过钻柱内部输送到钻头喷嘴的流体是一种瞬态流动,存在着压力行波,使从普通喷嘴射出的流体有一定程度的脉动。
- Thermodynamics of compressible fluid flow 可压缩流体流动热力学