This paper deals with the analysis of the effects of combined dual-phase-lag (DPL) heat conduction and radiation in a concentric spherical enclosure with diffuse-gray surfaces. The enclosed medium is optically participating, i.e., it is radiatively absorbing, emitting, and scattering. Lattice Boltzmann method (LBM) is used to solve the energy equation, and finite volume method (FVM) is used to compute the radiative information. To establish the accuracy of this approach, the combined energy equation is also solved with the finite difference method. Radial temperature profiles and energy contributions by conduction and radiation at various instances and prior to steady-state are elaborated for different kind of thermal perturbations Influence of numerous conductive and radiative parameters over the heat transport process have been investigated in detail. It is observed that higher contribution of radiation to the heat transport process can destroy the thermal wave in the medium completely. Sample results for pure non-Fourier heat conduction, pure radiation, and steady-state response of combined Fourier conduction and radiation in spherical geometry are compared with the results available in literature. In all the cases, comparison shows good agreement with the reported results.
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August 2018
Research-Article
Analysis of Heat Transfer Through Optically Participating Medium in a Concentric Spherical Enclosure: The Role of Dual-Phase-Lag Conduction and Radiation
Aritra Mukherjee,
Aritra Mukherjee
Department of Mechanical Engineering,
Indian Institute of Technology Guwahati,
Guwahati 781039, India
e-mail: ammaritra@gmail.com
Indian Institute of Technology Guwahati,
Guwahati 781039, India
e-mail: ammaritra@gmail.com
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Pranab Kumar Mondal
Pranab Kumar Mondal
Department of Mechanical Engineering,
Indian Institute of Technology Guwahati,
Guwahati 781039, India
e-mail: mail2pranab@gmail.com
Indian Institute of Technology Guwahati,
Guwahati 781039, India
e-mail: mail2pranab@gmail.com
Search for other works by this author on:
Aritra Mukherjee
Department of Mechanical Engineering,
Indian Institute of Technology Guwahati,
Guwahati 781039, India
e-mail: ammaritra@gmail.com
Indian Institute of Technology Guwahati,
Guwahati 781039, India
e-mail: ammaritra@gmail.com
Pranab Kumar Mondal
Department of Mechanical Engineering,
Indian Institute of Technology Guwahati,
Guwahati 781039, India
e-mail: mail2pranab@gmail.com
Indian Institute of Technology Guwahati,
Guwahati 781039, India
e-mail: mail2pranab@gmail.com
1Corresponding author.
Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF THERMAL SCIENCE AND ENGINEERING APPLICATIONS. Manuscript received November 24, 2017; final manuscript received April 23, 2018; published online June 22, 2018. Assoc. Editor: Sandip Mazumder.
J. Thermal Sci. Eng. Appl. Aug 2018, 10(4): 041022 (13 pages)
Published Online: June 22, 2018
Article history
Received:
November 24, 2017
Revised:
April 23, 2018
Citation
Mukherjee, A., and Mondal, P. K. (June 22, 2018). "Analysis of Heat Transfer Through Optically Participating Medium in a Concentric Spherical Enclosure: The Role of Dual-Phase-Lag Conduction and Radiation." ASME. J. Thermal Sci. Eng. Appl. August 2018; 10(4): 041022. https://doi.org/10.1115/1.4040283
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