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来源：百度知道 编辑：UC知道 时间：2024/09/28 11:49:59
Abstract: As the gas turbine becomes smaller and is operated at high altitude, the aerodynamic
condition frequently lies at the low Reynolds number. In the present study, three-dimensional
computations were performed to understand the effects of the low Reynolds number on the loss
characteristics in an axial compressor. The numerical results showed that the performance of
the axial compressor like the static pressure rise is reduced by the full-span separation on the
suction surface and the boundary layer on the hub, caused by the low Reynolds number. Compared
with that at the reference Reynolds number, the total pressure loss at the low Reynolds
number was found to be greater from the hub to 85 per cent span and smaller above the
85 per cent span. For a detailed analysis, the total pressure loss was scrutinized through
three major loss categories available in the subsonic axial compressor: profile loss, tip lea
Abstract: As the gas turbine becomes smaller and is operated at high altitude, the aerodynamic
condition frequently lies at the low Reynolds number.
当燃气涡轮机变得越来越小，并在高空作业，经常存在低雷诺数空气动力学状态。
In the present study, three-dimensional computations were performed to understand the effects of the low Reynolds number on the loss characteristics in an axial compressor.
在本研究中，完成三维计算轴以理解流式压缩机损耗特性的低雷诺数效果。
The numerical results showed that the performance of the axial compressor like the static pressure rise is reduced by the full-span separation on the suction surface and the boundary layer on the hub, caused by the low Reynolds number.
数字结果表明，类似静态压力上升，流式压缩机的性能下降了，这是由于低雷诺数造成的吸力面和中心体边界层的全跨度分离引起的。
Compared with that at the reference Reynolds number, the total pressure loss at the low Reynolds
number was found to be greater from the hub to 85 per cent span and smaller above the
85 per cent span.
参考雷诺数，低雷诺数总体压力损失在离中心体85%距离时比较大，而在85%以上时损失小。