An investigation on energy efficiency analysis of ground source heat pump and hybrid system based on simulation

Name: S Chuensiri

Organization : Kasetsart University. Faculty of Engineering

Name: K Katchasuwanmanee

Organization : Kasetsart University. Faculty of Engineering

Name: W Chaiworapuek

Organization : Kasetsart University. Faculty of Engineering

Name: T Yawanopas

Organization : Kasetsart University. Faculty of Engineering

LCSH: Ground source heat pump systems

LCSH: Energy consumption

LCSH: Hybrid power systems

LCSH: Computational fluid dynamic

Abstract: This paper studied the energy efficiency of Ground Source Heat Pumps (GSHPs) and Hybrid Ground Source Heat Pump Systems used for air-conditioning the building. The systems were simulated with the Computational Fluid Dynamic (CFD) to evaluate the characteristics of these systems in different working conditions. The simulations covered all typical climates of Thailand including summer, winter, and rainy seasons. The heat transfer rate was used to measure the system characteristics. The more heat rate that increases, the more system efficiency will increase. The comparison of heat rates in a variety of installation depths is also shown in this paper to figure out the optimal depth of installation that maximizes the heat rate. The simulation results showed that the GSHPs power consumption rate is 2,637.4 kWh per year and the Hybrid GSHPs power consumption rate is 2,649.6 kWh per year. Moreover, the average Coefficient of Performance (COP) of GSHPs and Hybrid GSHPs are 3.73 and 4.77, respectively. In conclusion, the GSHPs system has a lower power consumption rate than the Hybrid GSHPs but the Hybrid GSHPs have a higher Coefficient of Performance

King Mongkut's University of Technology North Bangkok. Central Library

Address: BANGKOK

Email: library@kmutnb.ac.th

Created: 2022

Modified: 2023-05-16

Issued: 2023-05-16

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BibliograpyCitation : In King Mongkut's University of Technology Thonburi. Faculty of Engineering. Department of Mechanical Engineering. The 12th TSME International Conference on Mechanical Engineering (TSME-ICoME12 2022) (pp.252-263). Bangkok : King Mongkut's University of Technology Thonburi

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