Velocity measurements of high temperature high speed flow by hydroxyl tagging velocimetry

Jingfeng Ye; Zhiyun Hu; Zhenrong Zhang; Sheng Wang; Guohua Li; Meisheng Huang; Jing-ru Liu

doi:10.1117/12.2011168

16 May 2013 Velocity measurements of high temperature high speed flow by hydroxyl tagging velocimetry

Jingfeng Ye, Zhiyun Hu, Zhenrong Zhang, Sheng Wang, Guohua Li, Meisheng Huang, Jing-ru Liu

Proceedings Volume 8796, 2nd International Symposium on Laser Interaction with Matter (LIMIS 2012); 87961E (2013) https://doi.org/10.1117/12.2011168
Event: 2nd International Symposium on Laser Interaction with Matter (LIMIS 2012), 2012, Xi'an, Shaanxi, China

Abstract

The velocity components of the high temperature high speed flow produced by a simulative device were diagnosed by single-line hydroxyl tagging velocimetry. The simulative device was driven by H2/air combustion gas, worked like a shock tube, held about 10-ms. The HTV tagging lines were put after the exit of device, and the experimental images at flow’s different regions were acquired through changing the tagging lines’ positions corresponding to the exit of device. And the velocity components along the device axis on tagging lines were calculated from the images. The results indicated that the velocity values of the flow in compress region were much slower than those in expansion region. Between the flow’s first expansion and compress regions, the velocity values at center were higher than those at both sides, but in the flow’s second expansion region, the velocity values at center were slower than that at both sides.

Citation Download Citation

Jingfeng Ye, Zhiyun Hu, Zhenrong Zhang, Sheng Wang, Guohua Li, Meisheng Huang, and Jing-ru Liu "Velocity measurements of high temperature high speed flow by hydroxyl tagging velocimetry", Proc. SPIE 8796, 2nd International Symposium on Laser Interaction with Matter (LIMIS 2012), 87961E (16 May 2013); https://doi.org/10.1117/12.2011168

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