Energy and exergy analysis of the heat pump cycle using working fluids with low environmental impact | Technium: Romanian Journal of Applied Sciences and Technology

Technium Romanian Journal of Applied Sciences and Technology (ISSN: 2668-778X) is an international peer-reviewed journal that publishes original and high-quality research papers related to Engineering, Technology, Mathematics and Computer Application.

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Published: Oct 9, 2023

DOI: https://doi.org/10.47577/technium.v14i.9664

Keywords:

energy, exergy analysis, heat pump, ecological working fluids

Daniel Dima

Faculty of Mechanical Engineering and Mechatronics University Politehnica of Bucharest Bucharest, Romania

Alexandru Dobrovicescu

Faculty of Mechanical Engineering and Mechatronics University Politehnica of Bucharest Bucharest, Romania

Cătălina Dobre

Academy of Romanian Scientists Bucharest, Romania

Abstract

This study presents the energetic and energetic analysis of the heat pump cycle, used for heating residential spaces. The heat pump is of the air-water type, taking heat at the level of the evaporator from the environment. The working fluids used are: R1233zd(E), R1234ze, R152a, R1234yf. Exergy analysis is used as a research tool. Based on the exergy analysis, the identification of malfunctions at the level of each device and process can be easily achieved. The study shows that the working fluid R1233zd(E) presents the highest coefficient of performance and the highest exergetic efficiency.

How to Cite

Dima, D., Dobrovicescu, A., & Dobre, C. (2023). Energy and exergy analysis of the heat pump cycle using working fluids with low environmental impact . Technium: Romanian Journal of Applied Sciences and Technology, 14, 5–9. https://doi.org/10.47577/technium.v14i.9664

Issue

Vol. 14 (2023): Special Issue of the 11-th International Conference on Thermal Equipment, Renewable Energy and Rural Development (TE-RE-RD 2023)

Section

Articles

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

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