Library Subscription: Guest
Begell Digital Portal Begell Digital Library eBooks Journals References & Proceedings Research Collections
Atomization and Sprays
IF: 1.737 5-Year IF: 1.518 SJR: 0.814 SNIP: 1.18 CiteScore™: 2.2

ISSN Print: 1044-5110
ISSN Online: 1936-2684

Volumes:
Volume 30, 2020 Volume 29, 2019 Volume 28, 2018 Volume 27, 2017 Volume 26, 2016 Volume 25, 2015 Volume 24, 2014 Volume 23, 2013 Volume 22, 2012 Volume 21, 2011 Volume 20, 2010 Volume 19, 2009 Volume 18, 2008 Volume 17, 2007 Volume 16, 2006 Volume 15, 2005 Volume 14, 2004 Volume 13, 2003 Volume 12, 2002 Volume 11, 2001 Volume 10, 2000 Volume 9, 1999 Volume 8, 1998 Volume 7, 1997 Volume 6, 1996 Volume 5, 1995 Volume 4, 1994 Volume 3, 1993 Volume 2, 1992 Volume 1, 1991

Atomization and Sprays

DOI: 10.1615/AtomizSpr.v16.i2.50
pages 223-236

NUMERICAL AND EXPERIMENTAL STUDY ON CYLINDRICAL SWIRL ATOMIZERS

M. R. Halder
Department of Mechanical Engineering, Khulna University of Engineering & Technology, Bangladesh
S. K. Som
Department of Mechanical Engineering, I. I. T. Kharagpur, India

ABSTRACT

The pressure swirl atomizer is widely used in liquid fuel combustion devices in the aerospace and power generation industries. The experimental and numerical predictions of air core diameter da, the coefficient of discharge Cd, and the spray cone angle ψ of a cylindrical swirl-spray pressure atomizer have been made in the present study. The standard k-ε model of turbulence is used for numerical computation of flow within the nozzle. The diameter of the stable central air core inside the nozzle has been predicted at given operating conditions. The values of Cd and ψ have been evaluated from the radial distribution of velocity components of liquid flow at the nozzle exit plane. It has been observed from numerical and experimental investigations that the coefficient of discharge Cd decreases, while the air core diameter da and the spray cone angle ψ increase with the increase in nozzle flow in its lower range. However, all these parameters, Cd, ψ, and da, finally become independent of nozzle flow. Both da/D and ψ increase but Cd decreases with a decrease in Dp/D for the nozzles of constant L/D, where Dp, D, and L are the entry port diameter, swirl chamber diameter, and length of atomizer, respectively. Also, both da/D and ψ decrease, while Cd increases with an increase in L/D for the nozzles of constant Dp/D.


Articles with similar content:

Flow Characteristics Study and Mathematical Correlation Development in Different Suddenly Expanded and Contracted Configurations
International Journal of Fluid Mechanics Research, Vol.42, 2015, issue 6
Somnath Chakrabarti, Bishnu Pada Biswas
EXPERIMENTAL STUDY OF SPRAY BREAKUP PHENOMENA IN SMALL-SCALE SIMPLEX ATOMIZERS WITH AND WITHOUT AIR SWIRL
Atomization and Sprays, Vol.28, 2018, issue 4
Muralidhara Suryanarayana Rao, Srinivasan Kothandaraman, Muthuselvan Govindaraj, Kushal D. Ghate, Venkat S. Iyengar, Sundararajan Thirumalachari
EFFECT OF SHOCK WAVES ON LIQUID ATOMIZATION OF A TWO-DIMENSIONAL AIRBLAST ATOMIZER
Atomization and Sprays, Vol.1, 1991, issue 1
Norman Chigier, Kenneth D. Kihm
ANALYSIS OF HOLLOW-CONE SPRAY INJECTED IN AN UNCONFINED, ISOTHERMAL, COANNULAR SWIRLING JET ENVIRONMENT
Atomization and Sprays, Vol.27, 2017, issue 1
Kuppuraj Rajamanickam, Dilip Sanadi, Saptarshi Basu
Concerning Certain Characteristic Features of Heat and Mass Transfer on Permeable Surfaces
Heat Transfer Research, Vol.37, 2006, issue 1
E. P. Volchkov