...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Philosophical transactions of the Royal Society. Mathematical, physical, and engineering sciences >High-performance computing-based exploration of flow control with micro devices
【24h】

High-performance computing-based exploration of flow control with micro devices

机译：基于高性能计算的微设备流量控制探索

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The dielectric barrier discharge (DBD) plasma actuator that controls flow separation is one of the promising technologies to realize energy savings and noise reduction of fluid dynamic systems. However, the mechanism for controlling flow separation is not clearly defined, and this lack of knowledge prevents practical use of this technology. Therefore, large-scale computations for the study of the DBD plasma actuator have been conducted using the Japanese Petaflops supercomputer 'K' for three different Reynolds numbers Numbers of new findings on the control of flow separation by the DBD plasma actuator have been obtained from the simulations, and some of them are presented in this study. Knowledge of suitable device parameters is also obtained. The DBD plasma actuator is clearly shown to be very effective for controlling flow separation at a Reynolds number of around 10~5, and several times larger lift-to-drag ratio can be achieved at higher angles of attack after stall. Eor higher Reynolds numbers, separated flow is partially controlled. Flow analysis shows key features towards better control. DBD plasma actuators are a promising technology, which could reduce fuel consumption and contribute to a green environment by achieving high aerodynamic performance. The knowledge described above can be obtained only with high-end computers such as the supercomputer 'K'.
机译：控制流分离的介质阻挡放电（DBD）等离子体致动器是实现流体动力系统的节能和降噪的有前途的技术之一。但是，控制流分离的机制尚未明确定义，并且由于缺乏知识而无法实际使用该技术。因此，已使用日本Petaflops超级计算机“ K”对三种不同的雷诺数进行了大规模的DBD等离子致动器研究，从中获得了关于DBD等离子致动器控制流分离的新发现。模拟，其中一些在本研究中介绍。还可以获得合适的设备参数的知识。 DBD等离子致动器在控制雷诺数约为10〜5时对于控制流分离非常有效，在失速后更大的迎角下可以实现数倍的升阻比。雷诺数更高，部分流动被控制。流量分析显示了实现更好控制的关键功能。 DBD等离子致动器是一项很有前途的技术，它可以通过实现高空气动力学性能来降低燃油消耗并为绿色环境做出贡献。仅使用诸如超级计算机“ K”之类的高端计算机才能获得上述知识。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号