空心涡旋 hollow vortex
核心涡漩 coring
空心涡 [流] hollow vortex
空心涡轮叶片 hollow turbine blade
离心-旋涡泵 centrifugal-turbinepump ; centrifugal-peripheral pump ; turbine pump ; peripheral pump
涡心 center of vorticity ; vortex core ; center of vortex ; core
向心涡轮机 centripetal turbine
向心式涡轮 radial inward flow turbine ; inward-flow turbine
模拟计算结果表明:与其他领域应用的旋风分离器相比,五边形入口、三心大涡壳式旋风预热器内筒入口附近次级流动相对较弱;
The results of the simulation indicate:compared with cyclone in other domain, the secondary flow of the preheating cyclone with pentagonal inlet and three core volute structure is relatively weaker.
冬季的极涡中心基本位于极心附近偏北的位置,而夏季极涡中心则明显移向西半球。
In winter the center of the polar vortex locates about the north of pole, but in summer it shifts to the western hemisphere.
涡心附近的切向速度小于轴向速度。
At the vortex center zone, the tangential velocity was less than the axial velocity.
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