In the present study, an innovative method for an accurate simulation and design of a chamber dryer used in brick/ceramic industry has been proposed. A thorough investigation of currently used dryers is conducted and the source of losses and optimization criteria are detected and discussed. Three-dimensional modeling of the chamber dryer is done via a commercial CFD Package. In the second step, critical locations in the cell together with the critical values for heat transfer coefficient are obtained from the result of 3D modeling. Then a set of partial differential equations governing heat and mass transport in a single brick (critical) are discretized by Finite difference method. The resulting PDEs together with temperature and humidity boundaries have been solved numerically. These equations are derived by combining conservation laws with Fourier’s law for heat conduction and Darcy’s and Fick’s laws for mass diffusion in porous material. All necessary diffusion coefficients for liquid and vapor have been obtained experimentally via implanting relevant temperature and humidity sensors into the green product situated in a real-scale dryer and by logging the variations in both parameters. Finally an efficient scheme for mounting the air circulation devices, inlet air temperature and humidity, burner characteristics, flow rates and drying process control have been proposed for a sample dryer with a specific dimensions.
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ASME 2009 Heat Transfer Summer Conference collocated with the InterPACK09 and 3rd Energy Sustainability Conferences
July 19–23, 2009
San Francisco, California, USA
Conference Sponsors:
- Heat Transfer Division
ISBN:
978-0-7918-4356-7
PROCEEDINGS PAPER
Numerical Simulation, Method of Design and Optimization of a Brick Dryer Available to Purchase
Hossein Shokouhmand,
Hossein Shokouhmand
University of Tehran, Tehran, Iran
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Vahid Abdollahi,
Vahid Abdollahi
University of Tehran, Tehran, Iran
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Koohyar Vahidkhah,
Koohyar Vahidkhah
Amirkabir University, Tehran, Iran
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Kaveh Habibi,
Kaveh Habibi
University of Tehran, Tehran, Iran
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Farzin M. Shemirani
Farzin M. Shemirani
University of Tehran, Tehran, Iran
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Hossein Shokouhmand
University of Tehran, Tehran, Iran
Vahid Abdollahi
University of Tehran, Tehran, Iran
Koohyar Vahidkhah
Amirkabir University, Tehran, Iran
Kaveh Habibi
University of Tehran, Tehran, Iran
Hatef Aria
University of Tehran, Tehran, Iran
Farzin M. Shemirani
University of Tehran, Tehran, Iran
Paper No:
HT2009-88086, pp. 565-573; 9 pages
Published Online:
March 12, 2010
Citation
Shokouhmand, H, Abdollahi, V, Vahidkhah, K, Habibi, K, Aria, H, & Shemirani, FM. "Numerical Simulation, Method of Design and Optimization of a Brick Dryer." Proceedings of the ASME 2009 Heat Transfer Summer Conference collocated with the InterPACK09 and 3rd Energy Sustainability Conferences. Volume 1: Heat Transfer in Energy Systems; Thermophysical Properties; Heat Transfer Equipment; Heat Transfer in Electronic Equipment. San Francisco, California, USA. July 19–23, 2009. pp. 565-573. ASME. https://doi.org/10.1115/HT2009-88086
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