Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/86581
Title: Temporal variation of the pressure from a steady impinging jet model of dry microburst-like wind using URANS
Authors: Skote, Martin
Srikanth, Narasimalu
Sim, Tze Siang
Keywords: Microburst
Impinging Jet
Issue Date: 2018
Source: Skote, M., Sim, T. S., & Srikanth, N. (2018). Temporal variation of the pressure from a steady impinging jet model of dry microburst-like wind using URANS. Computation, 6(1), 2-.
Series/Report no.: Computation
Abstract: The objective of this study is to investigate the temporal behavior of the pressure field of a stationary dry microburst-like wind phenomenon utilizing Unsteady Reynolds-averaged Navier-Stokes (URANS) numerical simulations. Using an axisymmetric steady impinging jet model, the dry microburst-like wind is simulated from the initial release of a steady downdraft flow, till the time after the primary vortices have fully convected out of the stagnation region. The validated URANS results presented herein shed light on the temporal variation of the pressure field which is in agreement with the qualitative description obtained from field measurements. The results have an impact on understanding the wind load on structures from the initial touch-down phase of the downdraft from a microburst. The investigation is based on CFD techniques, together with a simple impinging jet model that does not include any microphysical processes. Unlike previous investigations, this study focuses on the transient pressure field from a downdraft without obstacles.
URI: https://hdl.handle.net/10356/86581
http://hdl.handle.net/10220/45299
ISSN: 2079-3197
DOI: 10.3390/computation6010002
Schools: School of Mechanical and Aerospace Engineering 
Research Centres: Energy Research Institute @ NTU (ERI@N) 
Rights: © 2018 The Author(s). Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Journal Articles

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