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Numerical simulations for the analysis of entropy generation during natural convection in porous rhombic enclosures
Published in
2013
Volume: 63
   
Issue: 4
Pages: 257 - 284
Abstract
Entropy generation analysis has been introduced to investigate the effectiveness in heat transfer during natural convection within porous rhombic enclosures of various inclination angles ψ for differential (case 1) and Rayleigh Benard (case 2), heating situations. The results are presented in terms of streamlines (ψ), isotherms (θ), and entropy generation maps (Sθ and Sψ). Entropy production on the basis of various heating patterns and geometrical orientations have been reported based on the relation between total entropy generation (Stotal) and average Nusselt number (Nul or Nub) via Bejan Number, which relates the available thermal energy to irreversibilities. © 2013 Copyright Taylor and Francis Group, LLC.
About the journal
JournalNumerical Heat Transfer; Part A: Applications
ISSN10407782
Open AccessNo
Concepts (12)
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    Bejan number
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    Entropy generation
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    ENTROPY GENERATION ANALYSIS
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    Entropy production
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    HEATING PATTERN
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    Inclination angles
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    Rayleigh
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    TOTAL ENTROPY
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    Enclosures
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    Natural convection
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    Nusselt number
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    Entropy