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Mathematical modeling of air duct heater using the finite difference method

Sarafraz, Mohammad Mohsen, Peyghambarzadeh, SM and Marahel, A 2011, Mathematical modeling of air duct heater using the finite difference method, Polish Journal of Chemical Technology, vol. 13, no. 4, pp. 47-52, doi: 10.2478/v10026-011-0048-z.

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Title Mathematical modeling of air duct heater using the finite difference method
Author(s) Sarafraz, Mohammad MohsenORCID iD for Sarafraz, Mohammad Mohsen orcid.org/0000-0002-6347-0216
Peyghambarzadeh, SM
Marahel, A
Journal name Polish Journal of Chemical Technology
Volume number 13
Issue number 4
Start page 47
End page 52
Total pages 6
Publisher SCIENDO
Publication date 2011-01-01
ISSN 1509-8117
1899-4741
Keyword(s) Science & Technology
Physical Sciences
Technology
Chemistry, Applied
Engineering, Chemical
Chemistry
Engineering
Duct heater
Modeling
Variable physical properties
Finite difference
Log mean temperature difference
Summary Mathematical modeling of air duct heater using the finite difference method In this research, mathematical modeling of a duct heater has been performed using energy conservation law, Stefan-Boltzman law in thermal radiation, Fourier's law in conduction heat transfer, and Newton's law of cooling in convection heat transfer. The duct was divided to some elements with equal length. Each element has been studied separately and air physical properties in each element have been used based on its temperature. The derived equations have been solved using the finite difference method and consequently air temperature, internal and external temperatures of the wall, internal and external convection heat transfer coefficients, and the quantity of heat transferred have been calculated in each element and effects of the variation of heat transfer parameters have been surveyed. The results of modelling presented in this paper can be used for the design and optimization of heat exchangers.
Language eng
DOI 10.2478/v10026-011-0048-z
Indigenous content off
HERDC Research category CN.1 Other journal article
Free to Read? Yes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30142807

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.