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Energy and exergy analysis of fossil plant and heat pump building heating system at two different dead-state temperatures

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  • Lohani, S.P.

Abstract

In this paper, we deal with the energy and exergy analysis of a fossil plant and ground and air source heat pump building heating system at two different dead-state temperatures. A zone model of a building with natural ventilation is considered and heat is being supplied by condensing boiler. The same zone model is applied for heat pump building heating system. Since energy and exergy demand are key parameters to see which system is efficient at what reference temperature, we did a study on the influence of energy and exergy efficiencies. In this regard, a commercial software package IDA-ICE program is used for calculation of fossil plant heating system, however, there is no inbuilt simulation model for heat pumps in IDA-ICE, different COP (coefficient of performance) curves of the earlier studies of heat pumps are taken into account for the evaluation of the heat pump input and output energy. The outcome of the energy and exergy flow analysis at two different dead-state temperatures revealed that the ground source heat pumps with ambient reference have better performance against all ground reference systems as well as fossil plant (conventional system) and air source heat pumps with ambient reference.

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  • Lohani, S.P., 2010. "Energy and exergy analysis of fossil plant and heat pump building heating system at two different dead-state temperatures," Energy, Elsevier, vol. 35(8), pages 3323-3331.
    • Handle: RePEc:eee:energy:v:35:y:2010:i:8:p:3323-3331
    DOI: 10.1016/j.energy.2010.04.018
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    1. Utlu, Zafer & Hepbasli, Arif, 2008. "Energetic and exergetic assessment of the industrial sector at varying dead (reference) state temperatures: A review with an illustrative example," Renewable and Sustainable Energy Reviews, Elsevier, vol. 12(5), pages 1277-1301, June.
    2. Utlu, Zafer & Hepbasli, Arif, 2007. "Parametrical investigation of the effect of dead (reference) state on energy and exergy utilization efficiencies of residential-commercial sectors: A review and an application," Renewable and Sustainable Energy Reviews, Elsevier, vol. 11(4), pages 603-634, May.
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    1. Çakır, Uğur & Çomaklı, Kemal & Çomaklı, Ömer & Karslı, Süleyman, 2013. "An experimental exergetic comparison of four different heat pump systems working at same conditions: As air to air, air to water, water to water and water to air," Energy, Elsevier, vol. 58(C), pages 210-219.
    2. Kazanci, Ongun B. & Shukuya, Masanori, 2022. "A theoretical study of the effects of different heating loads on the exergy performance of water-based and air-based space heating systems in buildings," Energy, Elsevier, vol. 238(PC).
    3. Gábor L. Szabó, 2020. "Thermo-Chemical Instability and Energy Analysis of Absorption Heat Pumps," Energies, MDPI, vol. 13(8), pages 1-13, April.
    4. Kilkis, Birol, 2022. "Net-zero buildings, what are they and what they should be?," Energy, Elsevier, vol. 256(C).
    5. Michopoulos, A. & Zachariadis, T. & Kyriakis, N., 2013. "Operation characteristics and experience of a ground source heat pump system with a vertical ground heat exchanger," Energy, Elsevier, vol. 51(C), pages 349-357.
    6. Yang, Xiaochen & Svendsen, Svend, 2018. "Ultra-low temperature district heating system with central heat pump and local boosters for low-heat-density area: Analyses on a real case in Denmark," Energy, Elsevier, vol. 159(C), pages 243-251.
    7. Menberg, Kathrin & Heo, Yeonsook & Choi, Wonjun & Ooka, Ryozo & Choudhary, Ruchi & Shukuya, Masanori, 2017. "Exergy analysis of a hybrid ground-source heat pump system," Applied Energy, Elsevier, vol. 204(C), pages 31-46.
    8. Meggers, Forrest & Ritter, Volker & Goffin, Philippe & Baetschmann, Marc & Leibundgut, Hansjürg, 2012. "Low exergy building systems implementation," Energy, Elsevier, vol. 41(1), pages 48-55.
    9. Redha, Adel Mohammed & Dincer, Ibrahim & Gadalla, Mohamed, 2011. "Thermodynamic performance assessment of wind energy systems: An application," Energy, Elsevier, vol. 36(7), pages 4002-4010.
    10. Julian Schwab & Markus Bernecker & Saskia Fischer & Bijan Seyed Sadjjadi & Martin Kober & Frank Rinderknecht & Tjark Siefkes, 2022. "Exergy Analysis of the Prevailing Residential Heating System and Derivation of Future CO 2 -Reduction Potential," Energies, MDPI, vol. 15(10), pages 1-13, May.
    11. Sami, Samaneh & Etesami, Nasrin & Rahimi, Amir, 2011. "Energy and exergy analysis of an indirect solar cabinet dryer based on mathematical modeling results," Energy, Elsevier, vol. 36(5), pages 2847-2855.
    12. Wen, Qiangyu & Zhi, Ruiping & Wu, Yuting & Lei, Biao & Liu, Shanwei & Shen, Lili, 2020. "Performance optimization of a heat pump integrated with a single-screw refrigeration compressor with liquid refrigerant injection," Energy, Elsevier, vol. 207(C).

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