Bulletin of the American Physical Society
76th Annual Meeting of the Division of Fluid Dynamics
Sunday–Tuesday, November 19–21, 2023; Washington, DC
Session ZC44: Jets: Control, Impinging and Swirling
12:50 PM–3:00 PM,
Tuesday, November 21, 2023
Room: 208AB
Chair: Xiaofeng Liu, San Diego State University
Abstract: ZC44.00008 : Effect of surface curvature on confined jet impingement boiling*
2:21 PM–2:34 PM
Presenter:
Daiman A Somerville
(University of Pretoria)
Authors:
Daiman A Somerville
(University of Pretoria)
Kenneth Craig
(University of Pretoria)
Prashant Valluri
(The University of Edinburgh)
In this study, we implement the Eulerian RPI boiling model coupled to a standard RANS turbulent model (such as k-epsilon RNG) to simulate the boiling phenomena resulting from a turbulent jet of liquid nitrogen impinging onto concave surface subject to constant heat flux.
Our results are validated against the boiling curve and wall-superheat obtained from the experimental work of Zhang et al. [2010]. Our results from an in-depth parametric study reveal the influence of surface curvature, Reynolds number, dimensionless nozzle height, and confinement domain size on the boiling curves. These findings provide valuable insights into the design and optimization of surfaces for enhanced jet impingement boiling in confined environments.
*ThermaSMART
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