TY - GEN
T1 - Computational analysis of characteristics and mach number effects on noise emmision from ideally expanded highly supersonic free-jet
AU - Nonomura, Taku
AU - Fujii, Kozo
PY - 2007
Y1 - 2007
N2 - In this study, aero-acoustic noise from super-sonic jet plume is computationally investigated. Three-dimensional Navier-Stokes equations are solved with seventh order weighted compact non-linear scheme and total validation diminishing Runge-Kutta time integration scheme. At first, the noise from Mach 2.0 ideally expanded super-sonic jet is computed and validated with the past experimental study. Then the noises from various Mach number (2.0-3.5) ideally expanded jet plumes are computed. Noise source positions, directivity and convective Mach numbers are discussed.
AB - In this study, aero-acoustic noise from super-sonic jet plume is computationally investigated. Three-dimensional Navier-Stokes equations are solved with seventh order weighted compact non-linear scheme and total validation diminishing Runge-Kutta time integration scheme. At first, the noise from Mach 2.0 ideally expanded super-sonic jet is computed and validated with the past experimental study. Then the noises from various Mach number (2.0-3.5) ideally expanded jet plumes are computed. Noise source positions, directivity and convective Mach numbers are discussed.
UR - http://www.scopus.com/inward/record.url?scp=40449113798&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=40449113798&partnerID=8YFLogxK
U2 - 10.1115/FEDSM2007-37539
DO - 10.1115/FEDSM2007-37539
M3 - Conference contribution
AN - SCOPUS:40449113798
SN - 0791842886
SN - 9780791842881
T3 - 2007 Proceedings of the 5th Joint ASME/JSME Fluids Engineering Summer Conference, FEDSM 2007
SP - 1157
EP - 1162
BT - 2007 Proceedings of the 5th Joint ASME/JSME Fluids Engineering Summer Conference, FEDSM 2007
T2 - 2007 5th Joint ASME/JSME Fluids Engineering Summer Conference, FEDSM 2007
Y2 - 30 July 2007 through 2 August 2007
ER -