Experimental and Theoretical Investigations of a Ground Source Heat Pump System for Water and Space Heating Applications in Kazakhstan

Yelnar Yerdesh (), Tangnur Amanzholov, Abdurashid Aliuly, Abzal Seitov, Amankeldy Toleukhanov, Mohanraj Murugesan, Olivier Botella, Michel Feidt, Hua Sheng Wang, Alexandr Tsoy and Yerzhan Belyayev ()
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Yelnar Yerdesh: Department of Mechanics, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan
Tangnur Amanzholov: Department of Mechanics, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan
Abdurashid Aliuly: Department of Mechanics, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan
Abzal Seitov: Department of Mechanics, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan
Amankeldy Toleukhanov: Department of Mechanical Engineering, Satbayev University, Almaty 050013, Kazakhstan
Mohanraj Murugesan: Department of Mechanical Engineering, Hindusthan College of Engineering and Technology, Coimbatore 641032, India
Olivier Botella: Université de Lorraine, CNRS, LEMTA, F-54000 Nancy, France
Michel Feidt: Université de Lorraine, CNRS, LEMTA, F-54000 Nancy, France
Hua Sheng Wang: School of Engineering and Materials Sciences, Queen Mary University of London, London E1 4NS, UK
Alexandr Tsoy: Department of Machines and Devices of Manufacturing Processes, Almaty Technological University, Almaty 050012, Kazakhstan
Yerzhan Belyayev: Department of Mechanics, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan

Energies, 2022, vol. 15, issue 22, 1-25

Abstract: The ground source heat pump heating system is considered as one of the best solutions for the transition towards green heating under the continental climate conditions like Kazakhstan. In this paper, experimental and theoretical investigations were carried out to develop a ground source heat pump-based heating system under the weather conditions in Kazakhstan and to evaluate its thermodynamic performance. The water-to-water heat pump heating system, integrated with a ground source heat exchanger and used refrigerant R134a, was designed to provide hot water to meet the requirements for space heating. The predicted values of the coefficient of performance and the experimental results were found to be in good agreement within 6.2%. The thermodynamic performance of the system was also assessed using various environment-friendly refrigerants, such as R152a, R450A, R513A, R1234yf and R1234ze, as potential replacements for R134a. Although R152a is found to be a good alternative for R134a in terms of coefficient of performance and total equivalent warming impact, its flammability hinders its application. The heating system using refrigerants R450A, R513A, R1234yf and R1234ze shows 2–3% lower coefficient of performance than that of R134a. The highest exergy destruction is found to be attributed to the compressor, followed by the expansion valve, evaporator, and condenser. Considering their low flammability and low environmental impact, R450A, R513A, R1234yf and R1234ze are identified as valuable replacements for R134a.

Keywords: ground source heat pump; experimental setup; coefficient of performance; energy efficiency; exergy efficiency; environmental-friendly refrigerants (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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