RT Journal T1 Experimental study on velocity characteristics of recirculation zone in humid air non-premixed flame A1 GU Xin, ZANG Shusheng, GE Bing PB Front. Energy FD 2008-06-05 YR 2008 JF Frontiers in Energy JO Front. Energy VO 2 IS 2 SP 140 DO 10.1007/s11708-008-0037-y K1 humid air combustion; non-premixed flame; recirculation zone; combustion diagnosis with laser LK {https://journal.hep.com.cn/fie/EN/article/article_7171.shtml}