Abonnement à la biblothèque: Guest
Portail numérique Bibliothèque numérique eBooks Revues Références et comptes rendus Collections
International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.5

ISSN Imprimer: 2152-5102
ISSN En ligne: 2152-5110

Volumes:
Volume 46, 2019 Volume 45, 2018 Volume 44, 2017 Volume 43, 2016 Volume 42, 2015 Volume 41, 2014 Volume 40, 2013 Volume 39, 2012 Volume 38, 2011 Volume 37, 2010 Volume 36, 2009 Volume 35, 2008 Volume 34, 2007 Volume 33, 2006 Volume 32, 2005 Volume 31, 2004 Volume 30, 2003 Volume 29, 2002 Volume 28, 2001 Volume 27, 2000 Volume 26, 1999 Volume 25, 1998 Volume 24, 1997 Volume 23, 1996 Volume 22, 1995

International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.2017019991
pages 469-485

EFFECT OF DIMENSIONS OF SHARP SPIKED CYLINDER ON THE BUZZ PHENOMENON SUBJECTED TO HYPERSONIC FLOWS

Rajesh Ramachandran
Department of Mechanical Engineering, Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Amrita University, Bengaluru, India
Sirangala Ganesh Rakesh
Department of Mechanical Engineering, Amrita School of Engineering, Bengaluru, Amrita Vishwa Vidyapeetham, India, 560035

RÉSUMÉ

Transient numerical investigations were carried out by subjecting a sharp spiked forward-facing cylinder to hypersonic flow of Mach number 6.1 at zero angle of attack in order to investigate the effect of variation of frequency of buzz phenomenon (i.e., pulsation and oscillation frequencies) with change in L/D ratio of the spiked cylinder by capturing the flow unsteadiness using Ansys Fluent solver. It was concluded that the buzz frequency (for both pulsation and oscillation cases) decreases almost linearly with increase in L/D ratio, and the unsteady flow transition from pulsating flow mode to oscillatory flow mode was found to occur at an L/D ratio of 2.5 for the selected model geometry and hypersonic free-stream conditions.


Articles with similar content:

EFFECT OF DIMENSIONS OF VARIOUS SPIKES OF A SPIKED CYLINDER ON THE BUZZ PHENOMENON SUBJECTED TO HYPERSONIC FLOWS
International Journal of Fluid Mechanics Research, Vol.45, 2018, issue 5
R. Rajesh, Sirangala Ganesh Rakesh
Correlating Flow Pattern with Force Coefficients in Air Flow past a Tandem Unit of Three Circular Cylinders
International Journal of Fluid Mechanics Research, Vol.40, 2013, issue 3
David Ting, A. R. Vasel-Be-Hagh, Rupp Carriveau
NUMERICAL AND EXPERIMENTAL INVESTIGATION OF TRANSIENT LAMINAR FORCED CONVECTION IN A RECTANGULAR DUCT
ICHMT DIGITAL LIBRARY ONLINE, Vol.8, 1996, issue
Ibrahim Sarac, Ismail Calli, Sadik Kakac, Unal UYSAL
ANALYSIS OF PRIMARY BREAKUP IMAGES FROM AN ENGINE-RELATED SHEET ATOMIZER
Atomization and Sprays, Vol.27, 2017, issue 2
F. Mathieu, Reinhold Kneer, Manuel Armin Reddemann
LAMINAR-TO-TURBULENT TRANSITION IN A SHOCK-INDUCED SEPARATION BUBBLE
TSFP DIGITAL LIBRARY ONLINE, Vol.5, 2007, issue
Johan Steelant, L. Krishnan, Neil D. Sandham