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- mass flux vector 质量通量向量
- In steady flow, mass flux is constant. 在稳定流动中,质量通量是恒定不变的。
- The two-dimensional axisymmetric subsonic-transonic-supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method. 摘要对一实验电弧加热式发动机二维轴对称亚跨超音速流动进行了数值模拟,所采用的方法是矢通量分裂算法。
- For incompressible fluids, both the mass flux and the volume flux are constant in a tube of flow. 对于不可压缩的流体来说,流管中的质量通量和体积通量都是恒定不变的。
- Hydraulic conductivity has great effect on advective mass flux, and change rate of diffusive mass flux. 渗透系数对对流通量的大小、扩散通量的变化速度的影响较大;
- With adjusting the torque error by a PI controller, the load angle of next sample period is calculated.Combined with the rotor flux position, the anticipant stator flux vector is obtained. 通过对转矩偏差进行PI调节,获得下一周期的负载角,结合转子磁链的位置得到期望的定子磁链矢量。
- It is easy to be used to vector control systems and direct torque control systems since the amplitude and position angle of the flux vector instead of its a and b components are outputs of the VM. 一种新的观测交流电动机磁链幅值和位置角的电压模型,它能解决传统电压模型中纯积分漂移问题及由数字控制引起的滞后问题,直接输出磁链幅值和瞬时角度,方便矢量控制和直接力矩控制使用,并可用于同步电动机的初始定位。
- For a fixed water/air mass flux ratio,SMD reduces firstly and increases afterward with the increase of liquid jet diameter. 在液气质量比一定的条件下,随液体射流直径的增加,雾滴直径呈先减小后增大的变化趋势。
- The results indicate that self-sustained oscillations flow appears in the two kinds of channels when the mass flux is great over a fixed value. 结果表明,在较大流量下,两种通道内的流动均出现了自维持振荡现象,但是两者相比正弦型通道波纹板的换热和压降均较大。
- For a fixed water/air mass flux ratio, SMD reduces firstly and increases afterward with the increase of liquid jet diameter. 在液气质量比一定的条件下,随液体射流直径的增加,雾滴直径呈先减小后增大的变化趋势。
- Mass flux is with little effect on the active nucleation site density of channel, but with effect on the onset of nucleate boiling. 窄通道内质量流速对汽化核心密度的大小几乎没有影响,只对沸腾起始点有影响;
- Resonant Coriolis mass flowmeter (CMF) measures liquid mass flux via the Coriolis theory of the measurement tubes resonant vibration. 摘要谐振式科里奥利质量流量计(CMF),依靠测量管路工作在谐振状态产生的科氏力效应实现流体流量的测量。
- The flow oscillates more intensively at larger mass flux, and heat transfer performance is better but pressure drop is increased. 流速越快,混合越剧烈,换热更好,而压降越大。
- Based on the conservation of mass flux, the theoretical equation of the centerlinedilution along the axis of jets in coflow ambient is developed.8. 7.从射流中物质输运通量守恒出发,推导出了适用于同向流动环境中紊动圆射流轴线稀释度沿程变化理论公式。
- kinetic flux vector splitting (KFVS) scheme 有限体积法
- kinetic flux vector splitting method 动力学流矢量分裂方法
- The analysis includes the concentration ratio at the base of a GCL, advective and diffusive mass flux, and total accumulated contaminant mass through the liner per unit area. 从衬垫底部浓度比、对流和扩散通量、污染物累积运移量等方面,对污染物在GCL中的运移进行了计算。
- Steger-Warming flux vector splitting S-W通量分裂
- Condensation heat transfer coefficients of R410a are lower than that of R22 at low mass flux and vapor but nearly equivalent at intermediate or more higher mass flux. 与R22相比,R410a的凝结换热系数在较低质量流率时低于R22,在中高质量流率时与R22相当。
- For all the four cases the boundary conditions are exactly the same and the coolant mass flux per unit area in the region with holes on the plate is also the same. 为了便于相互比较,各计算模型的边界条件完全相同,而且平板气膜孔区单位面积上冷气流量均相等。
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