流体机械2017，Vol.45Issue(12)：8-12,5.DOI:10.3969/j.issn.1005-0329.2017.12.002
超高速涡轮用超音速喷嘴流出系数的试验研究
Experimental Study of Discharge Coefficient of a Super-sonic Nozzle Used in Ultra-high-speed Turbine
郭超 1郝小龙 2王学2
作者信息
- 1. 海军驻航天一院军事代表室,北京 100076
- 2. 北京精密机电控制设备研究所,北京 100076
- 折叠
摘要
Abstract
As an important energy conversion device,the function of the supersonic nozzle is that making the enthalpy descent of high pressure gas convert to its kinetic energy. For the specific nozzle as the pressure ratio achieve or exceed its critical value, the flow capacity will reach its maximum which is limited by the throat area. Because the flow complexity of gas in the nozzle, there is difference between the realistic flow capacity and the theory design value. The discharge coefficient,which is defined as the proportionality of the realistic flow capacity and the theory flow capacity,of three different structural supersonic nozzle which has equal throat area will be researched via experimental investigation. And the testing conclusion will be used as guidance for subsequent design and analysis.关键词
超高速涡轮/超音速喷嘴/流出系数/试验研究Key words
ultra high speed turbine/supersonic nozzle/discharge coefficient/experimental study分类
机械制造引用本文复制引用
郭超,郝小龙,王学..超高速涡轮用超音速喷嘴流出系数的试验研究[J].流体机械,2017,45(12):8-12,5.
