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research-article

Experimental Characterization of Intrinsic Properties Associated with Air-Assisted Liquid Jet and Liquid Sheet

[+] Author and Article Information
Balaji K

Assistant Professor, Department of Mechanical Engineering, Amrita School of Engineering, Coimbatore, Amrita Vishwa Vidyapeetham, India
k_balaji@cb.amrita.edu

Vayalakkara Sivadas

Associate Professor, Department of Aerospace Engineering, Amrita School of Engineering, Coimbatore, Amrita Vishwa Vidyapeetham, India
vayalakkara@yahoo.co.in
v_sivadas@cb.amrita.edu

Vishnu Radhakrishna

Department of Aerospace Engineering, Amrita School of Engineering, Coimbatore, Amrita Vishwa Vidyapeetham, India
vishnurkrishna0306@gmail.com

Khushal A Bhatija

Department of Mechanical Engineering, Amrita School of Engineering, Coimbatore, Amrita Vishwa Vidyapeetham, India
khuzi.bhatija@gmail.com

Sai Charan K

Department of Mechanical Engineering, Amrita School of Engineering, Coimbatore, Amrita Vishwa Vidyapeetham, India
saicharankatamreddy@gmail.com

1Corresponding author.

ASME doi:10.1115/1.4038759 History: Received July 27, 2017; Revised December 04, 2017

Abstract

The present study focuses on experimental characterization of interfacial instability pertinent to liquid jet and liquid sheet in the first wind induced and secondary atomization zones. To accomplish this objective, the interfacial wave growth rate, critical wave number and breakup frequency associated with air-assisted atomizer systems were extracted by utilizing high-speed flow visualization techniques. For a range of liquid to gas velocities tested, nondimensionalization with appropriate variables generates the corresponding correlation functions. These functions enable to make an effective comparison between interfacial wave developments for liquid jet and sheet configurations. It exhibits liquid sheets superiority over liquid jets in the breakup processes leading to efficient atomization.

Copyright (c) 2017 by ASME
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