1) slip-transition flow regime
滑移-过渡流区
2) transient flow zone
流动过渡区
3) transitional flow
过渡区流动
1.
The transitional flow over a complicated sphere-bicone figure was simulated by DSMC method.
采用DSMC(DirectSimulationMonte Carlo)方法模拟球双锥复杂外形过渡区流动。
2.
The transitional flow over a sphere is simulated by DSMC method.
采用DSMC(DirectSimulationMonte -Carlo)方法模拟三维球头过渡区流动。
3.
In the paper,the transitional flow over a spherecone figure is simulated by DSMC method.
采用DSMC(DirectSimulationMonte-Carlo)方法模拟球锥体过渡区流动。
4) slippage transition interface
滑移过渡界面
1.
Through the stressed analysis to slippage transition interface,it shows that when the sum of pile angle θ and rolling angle α approaches 180°,material is likely to roll from one side of helical to the other side.
通过对滑移过渡界面的受力分析,表明当物料堆积角θ与翻滚角α的和接近180°时,物料就可能从螺旋的一边翻滚到另一边。
5) slip flow regime
滑移流区
1.
In this paper a theoretical analysis of heat transfer characteristics is presented for the fully developed laminar flow of the incompressible gas in the triangular microchannels in slip flow regime.
针对微三角形槽道利用正交函数法求解了滑移流区内带温度跳跃边界条件的能量方程 ,对不可压缩气体在微三角形槽道内充分发展层流滑移流动的换热特性进行了理论分析 ,获得了轴向定热通量加热、周向均匀壁面温度条件下微三角形槽道内的温度分布和换热特性的分析解 。
2.
In this article, a theoretical analysis for laminar flow in the equilateral triangular and isosceles triangular microchannels in slip flow regime was presented.
计算结果表明 :正交函数法适用于三角形微槽内滑移流动特性的分析计算 ;在滑移流区 ,三角形微槽边界上出现滑移流动 ,且随着 Knudsen数 (气体分子的平均自由程与流道特征尺寸之比 )的增大 ,壁面上的滑移速度越大 ,流动阻力随之减小 ,但三角形微槽的三个角区边界上的滑移速度增加较小 ;三角形微槽的高宽比对无量纲阻力常数随 Kn的变化关系影响很小。
3.
A theoretical analysis is conducted for flow and heat transfer characteristics in this microchannel on the condition of one wall heated alone with uniform heat flux and two walls heated with different heat flux in slip flow regime.
结果表明:滑移流区微环继通道内的流阻和Nusselt数明显低于连续流区;且随着Kn数的增加,流阻和Nusselt数均减小;但其随内外径比r*的变化趋势与连续流区相似。
6) laminar flow and transitional flow
层流和过渡流区
补充资料:过渡流
分子式:
CAS号:
性质:流体流动由层流转变为湍流并不是突然发生而是经过一个过渡阶段,在此阶段的流动称为过渡流。Re准数的大小决定流动折状态。过渡流的Re数为2100~4000,有时延续到10 000以上。
CAS号:
性质:流体流动由层流转变为湍流并不是突然发生而是经过一个过渡阶段,在此阶段的流动称为过渡流。Re准数的大小决定流动折状态。过渡流的Re数为2100~4000,有时延续到10 000以上。
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参考词条