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International Journal of Scientific Development and Research - IJSDR
(An International Open Access Journal)
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2455-2631


Issue: January 2021

Volume 6 | Issue 1

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Paper Title: CFD ANALYSIS OF NATURAL CONVECTION IN CIRCULAR AND SQUARE CAVITY INSIDE SQUARE ENCLOSURE
Authors Name: Pusparaj singh , Arvind singh Rajput
Unique Id: IJSDR2011002
Published In: Volume 5 Issue 11, November-2020
Abstract: In this research work natural convection in two dimensional enclosure is studied numerically for differently heated air filled square enclosure with inner square and circular cavity. The inner circular and square wall kept at high temperature while the outer square wall maintain at low temperature. The natural convection is obtained by using the finite volume method in enclosed square enclosure for different Rayleigh numbers varying over the range of 104 –106. In order to study the flow field and temperature distribution these investigation further extended by changing the location of square and circular inner cavity in vertical position. The result obtained by CFD analysis it shows that the nussalt number and size of eddies of flow field strongly depended on Rayleigh no and position of At low Rayleigh No 104 the bicellular vortices to an uni-cellular vortex occurs when an inner cavity is placed at a maximum distance from the center of the enclosure.in case of higher Rayleigh No. Uni cellu vortex id formed in inner space of cavity. The average Nussalt No of the enclosure show minor deviation for each Rayleigh number but its better in case of circular inner cavity. The Pressure-Velocity Coupling Method used with Non-Iterative Time Advancement (NITA) scheme used to solve the problem. The distribution of temperature and stream function are taken as a function of thermal and geometrical output parameter for given problem. Two stage investigations have been performed to find out the variation in the result between different approaches.
Keywords: CFD, HEAT TRANSFER, NATURAL CONVECTION, DIMENSIONLESS NUMBER, HEAT TRANSFER COEFFICIENT.
Cite Article: "CFD ANALYSIS OF NATURAL CONVECTION IN CIRCULAR AND SQUARE CAVITY INSIDE SQUARE ENCLOSURE", International Journal of Science & Engineering Development Research (www.ijsdr.org), ISSN:2455-2631, Vol.5, Issue 11, page no.4 - 7, November-2020, Available :http://www.ijsdr.org/papers/IJSDR2011002.pdf
Downloads: 00011738
Publication Details: Published Paper ID: IJSDR2011002
Registration ID:192680
Published In: Volume 5 Issue 11, November-2020
DOI (Digital Object Identifier):
Page No: 4 - 7
Publisher: IJSDR | www.ijsdr.org
ISSN Number: 2455-2631

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