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Features of modeling a highly efficient multistage vapor compression heat pump unit
- Authors: Antipov Y.A.1, Shatalova I.I.1, Shkarin K.V.1, Lapin M.V.1, Sokolov D.A.1, Grinin A.O.1, Toptygin K.P.1
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Affiliations:
- Peoples’ Friendship University of Russia (RUDN University)
- Issue: Vol 22, No 4 (2021)
- Pages: 339-347
- Section: Articles
- URL: https://journals.rudn.ru/engineering-researches/article/view/30480
- DOI: https://doi.org/10.22363/2312-8143-2021-22-4-339-347
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Abstract
The increase in the cost of fuel and energy resource and the deterioration of the environment from the combustion of traditional fossil fuel, have led to a great interest in energy-saving technology by using secondary energy resources in the thermal energy of industrial, housing and communal services using heat pump units in Russia and abroad. This paper analyzes the well-known two-stage heat pump units, and reveals their advantages in comparison with single-stage. The modeling of a highly efficient multistage vapor compression heat pump unit is proposed. Moreover, a method for calculating a multistage heat pump unit with a high coefficient of performance is presented. In addition, an example of calculating the thermodynamic cycle of a four-stage heat pump unit is presented. The influence of the number of stages on the increase in coefficient of performance in relation to a single-stage heat pump unit, the effect of the temperature difference between the temperature of the high-potential heat source and the temperature of the low-potential heat source on the coefficient of performance were analyzed. In addition, the influence of the initial value of the temperature of the high-potential heat source before heating during the course in the heat pump unit on the value of coefficient of performance for a different number of stages is analyzed under the condition of a constant difference between the heating temperature of the high-potential heat source at the outlet of the heat pump unit and the temperature of the low-potential heat source.
About the authors
Yuri A. Antipov
Peoples’ Friendship University of Russia (RUDN University)
Author for correspondence.
Email: antipov-yua@rudn.ru
ORCID iD: 0000-0002-5598-7522
Candidate of Technical Sciences, Associate Professor of the Department of Mechanical Engineering and Instrumentation, Engineering Academy
6 Miklukho-Maklaya St, Moscow, 117198, Russian FederationIrina I. Shatalova
Peoples’ Friendship University of Russia (RUDN University)
Email: shatalova-ii@rudn.ru
ORCID iD: 0000-0001-7302-4247
Candidate of Agricultural Sciences, Associate Professor of the Department of Innovative Management in Industries, Engineering Academy
6 Miklukho-Maklaya St, Moscow, 117198, Russian FederationKirill V. Shkarin
Peoples’ Friendship University of Russia (RUDN University)
Email: 1042180018@rudn.ru
ORCID iD: 0000-0002-5680-517X
postgraduate student, Department of Mechanical Engineering and Instrumentation, Engineering Academy
6 Miklukho-Maklaya St, Moscow, 117198, Russian FederationMikhail V. Lapin
Peoples’ Friendship University of Russia (RUDN University)
Email: 1042200019@rudn.ru
ORCID iD: 0000-0002-0100-6055
postgraduate student, Department of Mechanical Engineering and Instrumentation, Engineering Academy
6 Miklukho-Maklaya St, Moscow, 117198, Russian FederationDmitry A. Sokolov
Peoples’ Friendship University of Russia (RUDN University)
Email: 1042190196@rudn.ru
ORCID iD: 0000-0001-5175-2219
postgraduate student, Department of Mechanical Engineering and Instrumentation, Engineering Academy
6 Miklukho-Maklaya St, Moscow, 117198, Russian FederationArtem O. Grinin
Peoples’ Friendship University of Russia (RUDN University)
Email: 1032182301@rudn.ru
student, Department of Mechanical Engineering and Instrumentation, Engineering Academy
6 Miklukho-Maklaya St, Moscow, 117198, Russian FederationKirill P. Toptygin
Peoples’ Friendship University of Russia (RUDN University)
Email: 1032182294@rudn.ru
ORCID iD: 0000-0001-6054-2096
student, Department of Mechanical Engineering and Instrumentation, Engineering Academy
6 Miklukho-Maklaya St, Moscow, 117198, Russian FederationReferences
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