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The Physical Optimum as an Ideal Reference Value for Balancing Thermodynamic Processes Integrating the Exergetic Evaluation by the Example of Heat Supply

Author

Listed:
  • Dirk Volta

    (Department of Energy and Biotechnology, Flensburg University of Applied Sciences (FUAS), 24943 Flensburg, Germany)

  • Samanta A. Weber

    (Department of Energy and Biotechnology, Flensburg University of Applied Sciences (FUAS), 24943 Flensburg, Germany)

Abstract

This paper contains the basic definition and application of the physical optimum as a method for process evaluation and optimization. By means of the exemplary balance of a wood pellet-fired boiler, the conventional efficiency is compared to the PhO . Furthermore, this study demonstrates the possibility of applying the thermodynamic state variable exergy as a physical reference property of a system within the PhO method. To explain the approach, the heat generation in the wood pellet-fired boiler is compared to the supply from a heat pump, which itself is connected to a power plant. Furthermore, the process-independent PhO is explained in order to illustrate the limitations of feasible optimization. Additionally, possible research topics such as the integration of dynamic behavior in the method are approached. As a conclusion, the differences between the methods outline the advantage of the PhO in the optimization process.

Suggested Citation

  • Dirk Volta & Samanta A. Weber, 2021. "The Physical Optimum as an Ideal Reference Value for Balancing Thermodynamic Processes Integrating the Exergetic Evaluation by the Example of Heat Supply," Energies, MDPI, vol. 14(15), pages 1-15, July.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:15:p:4426-:d:599367
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    References listed on IDEAS

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    1. Paula Marlene Wenzel & Peter Radgen & Jan Westermeyer, 2021. "Comparing Exergy Analysis and Physical Optimum Method Regarding an Induction Furnace," Energies, MDPI, vol. 14(6), pages 1-18, March.
    2. Lukas Kerpen & Achim Schmidt & Bernd Sankol, 2021. "Differentiating the Physical Optimum from the Exergetic Evaluation of a Methane Combustion Process," Energies, MDPI, vol. 14(12), pages 1-17, June.
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    Cited by:

    1. Samanta A. Weber & Dirk Volta & Jürgen Kuck, 2022. "Comparison of the Energetic Efficiency of Gas Separation Technologies Using the Physical Optimum by the Example of Oxygen Supply Options," Energies, MDPI, vol. 15(5), pages 1-22, March.

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    1. Samanta A. Weber & Dirk Volta & Jürgen Kuck, 2022. "Comparison of the Energetic Efficiency of Gas Separation Technologies Using the Physical Optimum by the Example of Oxygen Supply Options," Energies, MDPI, vol. 15(5), pages 1-22, March.
    2. Lukas Kerpen & Achim Schmidt & Bernd Sankol, 2021. "Differentiating the Physical Optimum from the Exergetic Evaluation of a Methane Combustion Process," Energies, MDPI, vol. 14(12), pages 1-17, June.

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