24th Congress of International Council of the Aeronautical Sciences, 29 August-3, September 2004, Yokohama, Japan
Paper ICAS 2004-7.10.5

NUMERICAL FLOW INVESTIGATION OF AN ANNULAR S-SHAPED DUCT

J. Kim, C. H. Choi, J. Noh, D. Lee
Korea Aerospace Research Institute, P.O.BOX 113, Yusung, Taejun, Korea

Keywords: Numerical flow analysis, S-shaped duct, compressor

Numerical flow analysis of an S-shaped duct for the interchannel between compressor spools was conducted. For the compactness and lightweight of an engine, the length of the S-shaped duct is minimized. Shortening the S-shaped duct, however, flow separation is likely to occur. Numerical investigation using a 3D Navier-Stokes flow solver has been performed to determine the minimization of an S-shaped duct adopting available experimental data as the inlet flow condition.

view full paper