The air flow through a critical nozzle with a small throat diameter is significantly affected by viscous<br/> effect. In this paper, computational study using the axisymmetric, compressible, Navier-Stokes Equations is<br/> carried out to a...
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https://www.riss.kr/link?id=A75896746
2002
Korean
550
학술저널
1654-1659(6쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
The air flow through a critical nozzle with a small throat diameter is significantly affected by viscous<br/> effect. In this paper, computational study using the axisymmetric, compressible, Navier-Stokes Equations is<br/> carried out to a...
The air flow through a critical nozzle with a small throat diameter is significantly affected by viscous<br/>
effect. In this paper, computational study using the axisymmetric, compressible, Navier-Stokes Equations is<br/>
carried out to analy ze flow characteristic through a critical nozzle at low-Reynolds numbers. The nozzle<br/>
throat diameters of D=0.28~4.48mm are used in this study. Computational results are compared with the<br/>
previous experimented ones. It is found that the present computational results predict the critical pressure ratio<br/>
and the discharge coefficient well. As the diameter of a critical nozzle increases, the discharge coefficient and<br/>
critical pressure ratio increase. At the nozzle throat, the displacement and momentum thicknesses of the<br/>
boundary layer are obtained by an empirical equation.
목차 (Table of Contents)
다중 구속조건을 고려한 격자체 구조물의 충격해석 모델개선