Measurements of droplet velocity fields in sprays from liquid jets injected in high-speed crossflows using piv

Iyengar, VS and Sathiyamoorthy, K and Srinivas, J and Pratheesh Kumar, P and Manjunath, P (2021) Measurements of droplet velocity fields in sprays from liquid jets injected in high-speed crossflows using piv. In: Proceedings of the National Aerospace Propulsion Conference, Singapore.

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Official URL: https://link.springer.com/chapter/10.1007/978-981-...

Abstract

The present work reports the measurement of planar droplet velocity field of a plain liquid jet injected into a high-speed crossflowing airstream. PIV was employed to measure the instantaneous and average droplet velocity field in the far-field region of the spray. Water was injected from a 1-mm orifice and crossflow air velocities up to 110 m/s were investigated. The approach using PIV was validated using experimental PDPA data reported in literature. The increase of droplet velocity with axial distance was clearly observed. In the region considered for analysis, the droplet velocity showed a peak in the central region suggesting contributions primarily from surface breakup.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Jet in crossflow, PIV, Droplet velocity
Subjects: AERONAUTICS > Aircraft Propulsion and Power
ENGINEERING > Mechanical Engineering
Depositing User: Smt Bhagya Rekha KA
Date Deposited: 09 Nov 2022 09:35
Last Modified: 09 Nov 2022 09:35
URI: http://nal-ir.nal.res.in/id/eprint/13742

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