AN INVESTIGATION OF NUCLEATING FLOWS OF STEAM IN A CASCADE OF TURBINE BLADING

被引:23
作者
BAKHTAR, F
WEBB, RA
SHOJAEEFARD, MH
SIRAJ, MA
机构
[1] UNIV SCI & TECHNOL,TEHRAN,IRAN
[2] UNIV KHARTOUM,FAC ENGN,KHARTOUM,SUDAN
来源
JOURNAL OF FLUIDS ENGINEERING-TRANSACTIONS OF THE ASME | 1993年 / 115卷 / 01期
关键词
D O I
10.1115/1.2910094
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
During the course of expansion in turbines steam first supercools and then nucleates to become a wet mixture. To reproduce turbine nucleating conditions realistically requires a supply of supercooled vapor. This can be achieved under blow-down conditions and an experimental facility for such studies has been constructed. The results of the first experimental investigation of nucleating flows of steam in a cascade of nozzle blading using the equipment are presented. The experimental results presented consist of surface pressure measurements, Mach-Zehnder and shadow photography. Comparisons with theoretical solutions show reasonable agreement.
引用
收藏
页码:128 / 134
页数:7
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