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Numerical Simulation for Under Floor Air Distribution System With Swirl Diffusers

[+] Author Affiliations
Xiuling Wang, Darrell W. Pepper

University of Nevada at Las Vegas

Paper No. IMECE2006-13483, pp. 397-403; 7 pages
  • ASME 2006 International Mechanical Engineering Congress and Exposition
  • Heat Transfer, Volume 3
  • Chicago, Illinois, USA, November 5 – 10, 2006
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 0-7918-4786-1 | eISBN: 0-7918-3790-4
  • Copyright © 2006 by ASME


The Finite Volume RNG k-ε turbulent model was employed to simulate an Under Floor Air Distribution (UFAD) system consisting of 8 swirl diffusers. Initial mesh generation was conducted using Pro/E and GAMBIT. CFD results using FLUENT show both flow and thermal patterns for an actual instrumented laboratory room (Building Technology Laboratory - BTL) located at the University of Nevada Las Vegas. Simulation results for flow and thermal patterns are presented utilizing symmetrical boundary settings for the BTL. Stratification heights and clear zones are discussed. The application of CFD simulation provides insightful analyses in UFAD design and placement.

Copyright © 2006 by ASME



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