Energy gradient method for turbulent transition with consideration of effect of disturbance frequency

摘要：

The energy gradient theory for flow instability and turbulent transition was proposed in our previous work. It was shown that the disturbance amplitude required for turbulent transition is inversely proportional to Re, which is in agreement with the experiments. In present study, the energy gradient theory is extended to include the effect of disturbance frequency on turbulent transition. The theoretical result obtained accords well with the experimental data in literature.

关键词： Turbulent Transition Energy gradient method Disturbance amplitude Disturbance frequency

作者: Hua-shu Dou Boo Cheong Khoo

作者单位: Temasek Laboratories,National University of Singapore,Singapore 117411 Department of Mechanical Engineering,National University of Singapore,Singapore 119260

会议类型: 国际会议

会议名称: 9th International Conference on Hydrodynamics(第九届国际水动力学会议 ICHD2010)

会议地点: 上海

会议语种:英文

页码: 23-28

在线出版日期: 2010-10-11（万方平台首次上网日期，不代表论文的发表时间）