正板栅用低锑合金,负板栅用铅钙合金的汽车用铅酸蓄电池,有时会出现早期容量衰减现象。
Automotive lead acid batteries using low Sb positive grids and Pb ca negative grids sometimes suffer from the phenomena of premature capacity loss (PCL).
根据计算结果对大负攻角条件下叶栅二维分离流动的特点以及攻角对叶栅气动特性的影响进行了分析。
According to the obtained results, the behavior of the separation flow and the effects of negative incidences on the aerodynamic characteristics of cascade are analyzed.
经联合造型后的叶栅与原始叶栅相比在各个攻角下的流动损失均有大幅度降低,大负攻角下效果尤为明显。
The combination of the slot with an optimized blade design significantly reduces the secondary flow losses compared to the original turbine stator, especially at large negative angles of incidence.
经联合造型后的叶栅与原始叶栅相比在各个攻角下的流动损失均有大幅度降低,大负攻角下效果尤为明显。
The combination of the slot with an optimized blade design significantly reduces the secondary flow losses compared to the original turbine stator, especially at large negative angles of incidence.
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