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- It is stressed that microforming technologies based on viscous flow behavior of bulk amorphous alloys in supercooled liquid region and FEM technology for analysis and optimum develop quickly. 指出应用大块非晶合金在过冷液相区粘性流变特性的微塑性成形技术及分析和优化成形工艺的有限元技术发展迅速。
- Constitutive equation for viscous flow behavior of Mg-based bulk metallic glass in supercooled liquid region 镁基大块非晶合金在过冷液相区流变行为本构关系
- Keywords Mg-based bulk metallic glass;supercooled liquid region;viscous flow behavior;constitutive equation; 镁基大块非晶;过冷液相区;流变行为;本构关系;
- viscous flow behavior 流变行为
- Flow of gas or liquid due to a pressure difference is called viscous flow. 由于压力差引起的气体或液体流称为滞流。
- The viscous flow between the wing-tip and the wall is simulated by solving the RANS equations of incompressible fluid. 本文通过求解不可压缩流体RANS方程,对机翼翼端与固壁之间隙流动进行了数值模拟。
- The magnetohydrodynamic viscous flow due to a shrinking sheet in the presence of suction is concerned with. 摘要研究有抽吸作用的可收缩薄片上的磁流体动力学粘性流动。
- The gas permeation mechanism through carbon membrane is involved in Knudsen diffusion and viscous flow. 气体透过炭膜的扩散以努森扩散为主,并伴有粘性流。
- Viscous flow with chemical non-equilibrium effects is numerically simulated on unstructured hybrid grid. 在非结构混合网格上对化学非平衡粘性绕流进行了数值模拟。
- The viscous flow activation energy of modified coal tar pitches markedly increases with rise of TS content,and pre-exponential factor A decreases. 随温度的升高或剪切速率的增加,改性媒沥青的粘度降低:随TS含量增加,改性煤沥青的流动活化能厂变小、指前因子A变大; 煤沥青在改性过程中可通过工艺的调整来控制煤沥青的粘度,以满足不同的使用要求。
- The stream function-vorticity method has been used to simulate two -dimensional transient state of incompressible viscous flow. 摘要采用流函数-涡量法对粘性不可压缩流体的二维瞬态流动进行模拟计算。
- The numerical solution of incompressible viscous flow over an aerofoil is obtained by H-type grids and a special difference scheme. 本文用H型网格和特殊的差分格式数值求解了粘性不可压缩叶型绕流。
- In physical problems, first, the viscous flow past a flat plate and the viscous flow with the temperature boundary layer are simulated and verified. 在物理问题,首先选取几个例子:平板层流和温度边界层,来验证本文数值方法之正确性。
- The cause of usual molding fault in the course of injection forming,such as the short shot,the viscous flow and the sedimentation tache,was analyzed. 对注射成型过程中常见的成型缺陷(如短射、滞流和沉降斑)的形成原因进行了分析。
- A viscous flow past a rotating oscillating circular cylinder in a uniformstream is numerically investigated using the Navier-Stokes equations. 摘要 从不可压非定常N-S方程出发,首次数值求解了均匀来流中圆柱作周向旋转振荡的黏性绕流问题。
- This method treats Dirichlet boundary condit ion via a Lagrange multiplier technique and is well suited to the no-slip bound ary condition in viscous flow problems. 这种方法通过 Lagrange乘子技术来处理 Dirichlet边界条件 ,因而非常适用于粘性流动问题中的无滑移边界条件。
- The error between S_k calculated using the viscous flow formula and S_v increased with the decrease of the particle size of powder and with the decrease of the bed porosity. 结果表明,粘滞流公式不适用于亚微米粉末,用粘滞流公式计算的 S_K 对于 S_V 的误差随粉末粒度和床层孔度的减小而增大。
- The pipe flow behavior of water suspersions of wood pulp and synthetic fibers has been the subject of many investigations. 木质纸浆和合成纤维的水悬浮液的管道流动特性已有许多专题论文发表。
- The results indicate that the inlet Mach number and incidence have significant effects on the starting and ending positions of the viscous flow transition. 结果表明:来流马赫数和冲角对转捩起始点和结束点的位置,即转捩所占区域的大小有重要影响。
- The computational process of the complicated flow field with strongly irregular variations for the viscous flow in the interrupter of SF6 circuit breaker is solved. 解决了SF6断路器灭弧室内具有大畸变的粘性流体的数值计算。