General Information
    • ISSN: 1793-821X (Print)
    • Abbreviated Title: J. Clean Energy Technol.
    • Frequency: Quarterly (2013-2014); Bimonthly (Since 2015)
    • DOI: 10.18178/JOCET
    • Editor-in-Chief: Prof. Haider F. Abdul Amir
    • Executive Editor: Ms. Jennifer Zeng
    • Abstracting/ Indexing: EI (INSPEC, IET), Electronic Journals Library, Chemical Abstracts Services (CAS), Ulrich's Periodicals Directory, Google Scholar, ProQuest.
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  • May 14, 2019 News! JOCET Vol.5, No.5-Vol.6, No.4 has been indexed by EI(Inspec)!   [Click]
  • Apr 29, 2019 News! Vol. 7, No. 3 has been published with online version. 4 peer reviewed papers are published in this issue.   [Click]
School of Science and Technology Universiti Malaysia Sabah, Malaysia.
I would like to express my appreciation to all authors, reviewers and editors.

JOCET 2017 Vol.5(2): 170-173 ISSN: 1793-821X
DOI: 10.18178/JOCET.2017.5.2.364

Mathematical Modelling of Biogas Dehumidification by Using of Counter Flow Heat Exchanger

Aigars Laizāns and Revik Vardanjan
Abstract—This research work deals with the numerical modelling of biogas flow, taking into account heat exchange and condensation on cold surfaces. Different kinds of boundary conditions (air and ground temperatures in summer/winter) and various physical properties of constructions (insulation between layers, wall thickness) are included in the model to make it more general and useful for different biogas flow conditions. MATLAB programming language is used for multiphysical model development, numerical calculations and result visualization. Experimental installation of the heat exchanger and biogas plant’s wall operating under controlled gas/water vapor mixture flow was set up to verify the simulation results. Gas flow at heat exchanger inlet/outlet, as well as gas temperatures and humidity were controlled and measured during number of experiments. Good correlation with modelling results for vertical wall section allows using of developed numerical model for an estimation of parameters for the whole biogas dehumidification system.

Index Terms—Biogas dehumidification, numerical modelling, condensation, biogas plant experimental model.

Aigars Laizāns is with the Institute of Power Energetics, Latvia University of Agriculture, Jelgava, Latvia (e-mail:
RevikVardanjan is with the Armgate, Ltd., Riga, Latvia (e-mail:


Cite:Aigars Laizāns and Revik Vardanjan, "Mathematical Modelling of Biogas Dehumidification by Using of Counter Flow Heat Exchanger," Journal of Clean Energy Technologies vol. 5, no. 2, pp. 170-173, 2017.

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