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Title: Thermal convection in an enclosure with sinusoidal bottom wall temperature: Effect of vibrating side wall
Authors: Aktaş, Murat Kadri
Keywords: [No Keywords]
Issue Date: 2013
Publisher: Amer Soc Mechanical Engineers
Source: ASME International Mechanical Engineering Congress and Exposition -- NOV 09-15, 2012 -- Houston, TX
Abstract: The effects of a vibrating side wall on flow structure and heat transport in an air - filled two dimensional rectangular shallow enclosure with sinusoidal spatial bottom wall temperature distribution is studied numerically. The vibrating side wall induces an oscillating flow having nonzero mean component in the enclosure. The side walls of the enclosure are adiabatic. The top wall is isothermal and kept at initial temperature. The fully compressible form of the Navier Stokes equations are considered to predict the oscillatory and time averaged mean flow fields. A control-volume method based, explicit computational scheme is used to simulate the convective transport in the enclosure. The simulation results of a test case for an unheated enclosure are compared with the existing literature for code validation. The sinusoidal temperature gradient of the bottom wall strongly affects the flow structures and velocities. The mean fluid motion significantly alters the overall heat transfer from the bottom wall.
ISBN: 978-0-7918-4523-3
Appears in Collections:Makine Mühendisliği Bölümü / Department of Mechanical Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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