A Qualitative Inter-Relation Between Drop Impacts on a Solid Surface and the Interaction of a Droplet Placed Inside a Superheated Pool

11 Pages Posted: 1 May 2019

See all articles by Ashish Karn

Ashish Karn

University of Petroleum and Energy Studies, Dehradun

Rohan De

University of Minnesota - Minneapolis

Abhay Kumar

University of Petroleum and Energy Studies (UPES)

Date Written: March 31, 2019

Abstract

The phenomenon of drop impacts on a solid surface and the interaction of a cold droplet with a superheated liquid pool are both of great relevance in many practical and engineering situations. Most of the reported research in the literature on these phenomena focus on the impact of a droplet on a solid surface or a liquid surface and there are hardly any study on the interaction of a stationary cold droplet inside a hot pool of liquid, a phenomenon observed quite often. This study reports high speed flow visualization of a drop impact on a Teflon-coated solid surface at different liquid properties and impact Reynolds number. Simultaneously, high speed imaging of the interaction of a cold droplet with the superheated olive oil pool has also been carried out. The images show a striking resemblance between the flow dynamics of the two phenomena. A comparison between the two phenomena is made and suggestions are made for the possible underlying physics.

Keywords: Drop Impact; Vapor Explosions; High Speed Imaging; Splashing; Crown Formation

Suggested Citation

Karn, Ashish and De, Rohan and Kumar, Abhay, A Qualitative Inter-Relation Between Drop Impacts on a Solid Surface and the Interaction of a Droplet Placed Inside a Superheated Pool (March 31, 2019). Available at SSRN: https://ssrn.com/abstract=3363045 or http://dx.doi.org/10.2139/ssrn.3363045

Ashish Karn (Contact Author)

University of Petroleum and Energy Studies, Dehradun ( email )

Energy Acres
P.O. Bidholi via Premnagar,
Dehradun, IN Uttarakhand 248007
India

HOME PAGE: http://umn.edu/~karn

Rohan De

University of Minnesota - Minneapolis ( email )

110 Wulling Hall, 86 Pleasant St, S.E.
308 Harvard Street SE
Minneapolis, MN 55455
United States

Abhay Kumar

University of Petroleum and Energy Studies (UPES)

Energy Acres
P.O. Bidholi via Premnagar,
Dehradun, IN Uttarakhand 248007
India

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