International Journal of Mechanical Engineering and Applications

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Numerical Estimation of Heat Recovery within a Distributed Incinerator Using Water and Hydrocarbons as Working Fluids

Received: 07 January 2019    Accepted: 13 March 2019    Published: 03 April 2019
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Abstract

The potential of a cogeneration system combined with a small combustion furnace was investigated in this study. The heat transfer between the exhaust gas and working fluid flowing in a spiral tube heat exchanger was estimated numerically and the amount of vapor generated was predicted. The combustion chamber had a 0.49 m3 inside volume with a chimney height of 2.5 m and an inner diameter of 0.28 m. A uniform gas side temperature condition that was referenced from the results of a preliminary experiment and a computational fluid dynamics simulation were adopted to simplify calculations and clarify the effects of working fluids. The amounts of heat recovery when utilizing water and other types of working fluids (Pentane, Butane) were compared. The most effective tube length considering pressure drop and phase change was also predicted. Isentropic theoretical thermal efficiency and T-s diagrams are analyzed to evaluate the vapor-power conversion rate using waste heat. As a result, a potential the heat recovery rate of approximately 100 kW at a 150 kg/h mass flow rate is expected.

DOI 10.11648/j.ijmea.20190701.12
Published in International Journal of Mechanical Engineering and Applications (Volume 7, Issue 1, February 2019)
Page(s) 8-16
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Heat Transfer, Thermal Recycle, Incinerator, Working Fluids, Cogeneration System

References
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[3] The Japan Society of Refrigerating and Air Conditioning Engineers, Refrigeration, Special ed., Vol. 090, No. 1047, 2015, pp. 3-22.
[4] R. Echigo, K. Hanamura, Y. Takahashi, M. Okuyama, S. Jugjai, A. Hagiwara, Y. Usami and N. Funahashi, “Heat transfer analysis for a tubular methane-steam reformer with a porous radiative converter”, Transactions of the Japan Society of Mechanical Engineers, Series B, Vol. 57, No. 539, 1991, pp. 163-169.
[5] J. Yamashita and Y. Utaka, “On prediction of heat exchanger performance for latent heat recovery using flue gas”, Transactions of the Japan Society of Mechanical Engineers, Series B, Vol. 80, No. 818, 2014, pp. 1-14.
[6] A. S. Hegazy, “Possible waste heat recovery in the condenser of a regenerative steam cycle”, Journal of Thermal Science and Technology, Vol. 2, No. 1, 2007, pp. 1-12.
[7] H. Takamatsu, H. Yamashiro, N. Takata, H. Honda, “Vapor absorption by LiBr aqueous solution in vertical smooth tubes”, International Journal of Refrigeration, Vol. 26, 2003, pp. 659-666.
[8] Le Minh Nhut, Young-Sub Moon, Youn Cheol Park, “A study on energy optimization of heat exchanger in a gasification system”, International Journal of Mechanical Engineering and Applications, Vol. 4, No. 3, 2016, pp. 123-129.
[9] H. Hasegawa and S. Kimishima, “An investigation on working fluid selection of Rankine-Cycle driven by low grade heat with small temperature difference to environment”, Transactions of the Japan Society of Refrigerating and Air Conditioning Engineers, Vol. 30, No. 1, 2013, pp. 1-12.
[10] P. A. Kew and K. Cornwell, “Development of a highly compact steam generator”, Applied Thermal Engineering, Vol. 25, 2005, pp. 2604-2614.
[11] S. Tokuda and T. Osanai, “Exergie-Heat recovery analysis for exhaust gas in the boiler system”, Transactions of the Japan Society of Mechanical Engineers, Series B, Vol. 50, No. 449, 1984, pp. 91-97.
[12] Xin, Z. Rao, X. You, Z. Song, D. Han, “Numerical investigation of vapor–liquid heat and mass transfer in porous media”, Energy Conversion and Management, Vol. 78, 2014, pp. 1-7.
[13] Fei He, J. Wang, “Numerical investigation on critical heat flux and coolant”, Energy Conversion and Management, Vol. 80, 2014, pp. 591-597.
[14] O. R. Alomar, M. A. A. Mendes, D. Trimis, S. Ray, “Numerical simulation of complete liquid-vapour phase change process inside porous media using smoothing of diffusion coefficient”, International Journal of Thermal Sciences, Vol. 86, 2014, pp. 408-420.
[15] O. R. Alomar, M. A. A. Mendes, S. Ray, D. Trimis, “Numerical investigation of complete evaporation process inside porous media using staggered and non-staggered grid arrangements”, International Journal of Thermal Sciences, Vol. 129, 2018, pp.56-72.
[16] O. R. Alomar, R. R. Mohammed, M. A. A. Mendes, S. Ray, D. Trimis, “Numerical investigation of two-phase flow in anisotropic porous evaporator”, International Journal of Thermal Sciences, Vol. 135, 2019, pp. 1-16.
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Author Information
  • National Institute of Technology, OKINAWA College, Nago, Japan

  • National Institute of Technology, OKINAWA College, Nago, Japan

  • THOMAS Technical Research Company, Uruma, Japan

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  • APA Style

    Hikaru Yamashiro, Tomoyasu Yara, Kenji Fukutomi. (2019). Numerical Estimation of Heat Recovery within a Distributed Incinerator Using Water and Hydrocarbons as Working Fluids. International Journal of Mechanical Engineering and Applications, 7(1), 8-16. https://doi.org/10.11648/j.ijmea.20190701.12

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    ACS Style

    Hikaru Yamashiro; Tomoyasu Yara; Kenji Fukutomi. Numerical Estimation of Heat Recovery within a Distributed Incinerator Using Water and Hydrocarbons as Working Fluids. Int. J. Mech. Eng. Appl. 2019, 7(1), 8-16. doi: 10.11648/j.ijmea.20190701.12

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    AMA Style

    Hikaru Yamashiro, Tomoyasu Yara, Kenji Fukutomi. Numerical Estimation of Heat Recovery within a Distributed Incinerator Using Water and Hydrocarbons as Working Fluids. Int J Mech Eng Appl. 2019;7(1):8-16. doi: 10.11648/j.ijmea.20190701.12

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  • @article{10.11648/j.ijmea.20190701.12,
      author = {Hikaru Yamashiro and Tomoyasu Yara and Kenji Fukutomi},
      title = {Numerical Estimation of Heat Recovery within a Distributed Incinerator Using Water and Hydrocarbons as Working Fluids},
      journal = {International Journal of Mechanical Engineering and Applications},
      volume = {7},
      number = {1},
      pages = {8-16},
      doi = {10.11648/j.ijmea.20190701.12},
      url = {https://doi.org/10.11648/j.ijmea.20190701.12},
      eprint = {https://download.sciencepg.com/pdf/10.11648.j.ijmea.20190701.12},
      abstract = {The potential of a cogeneration system combined with a small combustion furnace was investigated in this study. The heat transfer between the exhaust gas and working fluid flowing in a spiral tube heat exchanger was estimated numerically and the amount of vapor generated was predicted. The combustion chamber had a 0.49 m3 inside volume with a chimney height of 2.5 m and an inner diameter of 0.28 m. A uniform gas side temperature condition that was referenced from the results of a preliminary experiment and a computational fluid dynamics simulation were adopted to simplify calculations and clarify the effects of working fluids. The amounts of heat recovery when utilizing water and other types of working fluids (Pentane, Butane) were compared. The most effective tube length considering pressure drop and phase change was also predicted. Isentropic theoretical thermal efficiency and T-s diagrams are analyzed to evaluate the vapor-power conversion rate using waste heat. As a result, a potential the heat recovery rate of approximately 100 kW at a 150 kg/h mass flow rate is expected.},
     year = {2019}
    }
    

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  • TY  - JOUR
    T1  - Numerical Estimation of Heat Recovery within a Distributed Incinerator Using Water and Hydrocarbons as Working Fluids
    AU  - Hikaru Yamashiro
    AU  - Tomoyasu Yara
    AU  - Kenji Fukutomi
    Y1  - 2019/04/03
    PY  - 2019
    N1  - https://doi.org/10.11648/j.ijmea.20190701.12
    DO  - 10.11648/j.ijmea.20190701.12
    T2  - International Journal of Mechanical Engineering and Applications
    JF  - International Journal of Mechanical Engineering and Applications
    JO  - International Journal of Mechanical Engineering and Applications
    SP  - 8
    EP  - 16
    PB  - Science Publishing Group
    SN  - 2330-0248
    UR  - https://doi.org/10.11648/j.ijmea.20190701.12
    AB  - The potential of a cogeneration system combined with a small combustion furnace was investigated in this study. The heat transfer between the exhaust gas and working fluid flowing in a spiral tube heat exchanger was estimated numerically and the amount of vapor generated was predicted. The combustion chamber had a 0.49 m3 inside volume with a chimney height of 2.5 m and an inner diameter of 0.28 m. A uniform gas side temperature condition that was referenced from the results of a preliminary experiment and a computational fluid dynamics simulation were adopted to simplify calculations and clarify the effects of working fluids. The amounts of heat recovery when utilizing water and other types of working fluids (Pentane, Butane) were compared. The most effective tube length considering pressure drop and phase change was also predicted. Isentropic theoretical thermal efficiency and T-s diagrams are analyzed to evaluate the vapor-power conversion rate using waste heat. As a result, a potential the heat recovery rate of approximately 100 kW at a 150 kg/h mass flow rate is expected.
    VL  - 7
    IS  - 1
    ER  - 

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