针对超音速汽流在20～60℃过冷水中浸没射流进行实验研究,得到射流尾部的速度分布规律.在进口压力为0·3 MPa和O·5 MPa时,随着环境水温的变化,速度分布基本不变.而对同一工况,随着轴向距离的增大,速度逐渐减小,并在径向趋于平缓;随着进口压力的降低,在相同的轴向位置,速度会相应减小,但速度剖面的形状基本一致.从速度分布图中可以看出各个断面流速分布显示出相似性质,轴线上流速最大,距轴越远流速越小.将这一速度分布与圆形紊动自由射流的速度分布进行比较,结果表明两者具有一定相似性.
参考文献
| [1] | Hwan Y. Kim;Yoon Y. Bae;Chul H. Song;Jong K. Park;Sang M. Choi .Experimental study on stable steam condensation in a quenching tank[J].International journal of energy research,2001(3):239-252. |
| [2] | Wu XZ;Yan JH;Shao SF;Cao Y;Liu JP .Experimental study on the condensation of supersonic steam jet submerged in quiescent subcooled water: Steam plume shape and heat transfer[J].International Journal of Multiphase Flow,2007(12):1296-1307. |
| [3] | T. J. Eden;T. F. Miller;H. R. Jacobs .The centerline pressure and cavity shape of horizontal plane choked vapor jets with low condensation potential[J].Journal of heat transfer: Transactions of the ASME,1998(4):999-1007. |
| [4] | Yeon-Sik Kim;Yeong-Joong Youn .Experimental study of turbulent jet induced by steam jet condensation through a hole in a water tank[J].International Communications in Heat and Mass Transfer: A Rapid Communications Journal,2008(1):21-29. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%