Dissipative particle dynamics (DPD) with energy conservation was applied to simulate forced convection in parallel-plate channels with boundary conditions of constant wall temperature (CWT) and constant wall heat flux (CHF). DPD is a coarse-grained version of molecular dynamics. An additional governing equation for energy conservation was solved along with conventional DPD equations where inter-particle heat flux accounts for changes in mechanical and internal energies when particles interact with surrounding particles. The solution domain was considered to be two-dimensional with periodic boundary condition in the flow direction. Additional layers of particles on top and bottom of the channel were utilized to apply no-slip velocity and temperature boundary conditions. The governing equations for energy conservation were modified based on periodic fully developed velocity and temperature conditions. The results were shown via velocity and temperature profiles across the channel cross section. The Nusselt numbers were calculated from the temperature gradient at the wall using a second order accurate forward difference approximation. The results agreed well with the exact solutions to within 2.3%.
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ASME 2011 International Mechanical Engineering Congress and Exposition
November 11–17, 2011
Denver, Colorado, USA
Conference Sponsors:
- ASME
ISBN:
978-0-7918-5496-9
PROCEEDINGS PAPER
Forced Convection Heat Transfer Simulation Using Dissipative Particle Dynamics With Energy Conservation
Toru Yamada,
Toru Yamada
University of Rhode Island, Kingston, RI
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Anurag Kumar,
Anurag Kumar
GE Global Research, Niskayuna, NY
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Yutaka Asako,
Yutaka Asako
Tokyo Metropolitan University, Hachioji, Tokyo, Japan
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Mohammad Faghri
Mohammad Faghri
University of Rhode Island, Kingston, RI
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Toru Yamada
University of Rhode Island, Kingston, RI
Anurag Kumar
GE Global Research, Niskayuna, NY
Yutaka Asako
Tokyo Metropolitan University, Hachioji, Tokyo, Japan
Mohammad Faghri
University of Rhode Island, Kingston, RI
Paper No:
IMECE2011-63773, pp. 843-850; 8 pages
Published Online:
August 1, 2012
Citation
Yamada, T, Kumar, A, Asako, Y, & Faghri, M. "Forced Convection Heat Transfer Simulation Using Dissipative Particle Dynamics With Energy Conservation." Proceedings of the ASME 2011 International Mechanical Engineering Congress and Exposition. Volume 10: Heat and Mass Transport Processes, Parts A and B. Denver, Colorado, USA. November 11–17, 2011. pp. 843-850. ASME. https://doi.org/10.1115/IMECE2011-63773
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