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首页> 外文期刊>JSME International Journal. Series B, Fluids and Thermal Engineering >High-Enthalpy Extraction Experiments with Disk MHD Generators
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High-Enthalpy Extraction Experiments with Disk MHD Generators

机译：磁盘MHD生成器的高焓提取实验

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摘要

Power generation experiments have been performed for disk MHD generators with different channel shapes. The increase in the enthalpy extraction ratio by enlargement of the area ratio has been shown experimentally, and the highest enthalpy extraction ratio of 18.0% was achieved. The experimental results have shown that for the generator with the large area ratio, the wall static pressure in the MHD channel is kept lower than that for the small-area-ratio generator. These phenomena suggest that a high Hall parameter is obtained by enlargement of the area ratio. Furthermore, the swirl ratio at the channel exit was measured and was characterized by the ratio between Hall current and mass flow rate of the working gas.
机译：已经对具有不同通道形状的磁盘MHD发生器执行了发电实验。实验表明，通过增大面积比可以增加焓提取率，最高的焓提取率为18.0％。实验结果表明，对于大面积比的发电机，MHD通道中的壁静压保持低于小面积比的发电机。这些现象表明，通过增大面积比可以获得高霍尔参数。此外，测量通道出口处的涡流比，并以霍尔电流与工作气体质量流量之比来表征。

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