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An Experimental Study on Flow Characteristics of Turbulent Pulsating Flow in a Curved Duct by Using LDV
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 Title & Authors
An Experimental Study on Flow Characteristics of Turbulent Pulsating Flow in a Curved Duct by Using LDV
Lee, Hong-Gu; Son, Hyeon-Cheol; Lee, Haeng-Nam; Park, Gil-Mun;
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 Abstract
In the present study, flow characteristics of turbulent pulsating flow in a square-sectional 180curved duct were experimentally investigated. The experimental study for air flows in a curved duct are carried out to measure axial velocity profiles, wall shear stress distributions and entrance length in a square-sectional 180curved duct by using the Laser Doppler Velocimeter(LDV) system and the data acquisition. Velocity profiles are obtained using the Rotating Machinery Resolver(RMR)and PHASE software in case of turbulent pulsating flow. Finally, it was plotted by the ORIGIN software. The experiment was conducted in seven sections from the inlet (ø = 0) to the outlet (ø=l80) at 3 0intervals of the duct.
 Keywords
Turbulent Pulsating Flow;Axial Velocity Distributions;Wall Shear Stress Distributions;Entrance Length;
 Language
Korean
 Cited by
1.
가진 펌프에 연결된 곡관 출구의 직관에서 난류진동유동의 속도분포와 전단응력분포,손현철;이행남;박길문;

대한기계학회논문집B, 2002. vol.26. 10, pp.1378-1386 crossref(new window)
2.
LDV에 의한 곡관 후류에 연결된 직관에서 난류맥동유동의 유동특성,손현철;이행남;박길문;

설비공학논문집, 2003. vol.15. 3, pp.177-186
3.
180° 곡관덕트의 출구영역에 연결된 직관덕트에서 층류유동의 속도분포와 2차유동,손현철;이행남;박길문;

대한기계학회논문집B, 2005. vol.29. 10, pp.1092-1100 crossref(new window)
4.
곡관덕트에 연결된 정사각단면 직관덕트에서 증류정상유동의 유동장내 유동특성,손현철;

대한기계학회논문집B, 2005. vol.29. 5, pp.545-553 crossref(new window)
5.
Numerical analysis on various models of pressure snubbers in the hydrogen gas compressing system,;;;;;;

Journal of Mechanical Science and Technology, 2008. vol.22. 4, pp.761-769 crossref(new window)
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