Concentrating solar power technologies

MS Răboacă, G Badea, A Enache, C Filote, G Răsoi… - Energies, 2019 - mdpi.com
Nowadays, the evolution of solar energy use has turned into a profound issue because of
the implications of many points of view, such as technical, social, economic and …

Turkey's 2023 energy strategies and investment opportunities for renewable energy sources: Site selection based on ELECTRE

C Erdin, G Ozkaya - Sustainability, 2019 - mdpi.com
In Turkey, current energy generations are not sufficient for the existing energy needs and
besides, energy demand is expected to increase by 4–6 percent annually until 2023 …

Modeling and optimizing a chiller system using a machine learning algorithm

JH Kim, NC Seong, W Choi - Energies, 2019 - mdpi.com
This study was conducted to develop an energy consumption model of a chiller in a heating,
ventilation, and air conditioning system using a machine learning algorithm based on …

Towards the nearly zero and the plus energy building: Primary energy balances and economic evaluations

C Marino, A Nucara, MF Panzera… - Thermal Science and …, 2019 - Elsevier
In the construction sector, responsible for the greatest amounts of energy consumption and
greenhouse gas emissions, nowadays a significant turning point in the current scenario that …

A numerical study on utilizing horizontal flat-panel ground heat exchangers in ground-coupled heat pumps

M Habibi, A Amadeh, A Hakkaki-Fard - Renewable Energy, 2020 - Elsevier
Horizontal ground heat exchangers (GHEs) have a lower cost in comparison to vertical
ones; however, they require more land area. For the sake of reducing the required land area …

Investigation of the environmentally-friendly refrigerant R152a for air conditioning purposes

E Bellos, C Tzivanidis - Applied Sciences, 2018 - mdpi.com
Heat pumps are efficient and well-established technologies for providing the proper cooling
load in the building sector. The objective of this work is the parametric investigation of a heat …

Performance of Heat Pump Air Conditioning with R1234ze (HFO) as a Refrigerant

S Kumar, VN Raibhole, H Majumder - Journal of Optimization, 2024 - Wiley Online Library
The study shows that refrigerants R1234ze (E) and R1234ze (Z), known for their low global
warming potential, are likely to become primary choices in heat pump air conditioning for …

[HTML][HTML] Structural optimization of collector/evaporator of direct-expansion solar/air-assisted heat pump

K Ma, Z Wang, X Li, P Wu, S Li - Alexandria Engineering Journal, 2021 - Elsevier
In cold regions, traditional air source heat pumps are easily frosted in heating state. The
frosting problem can be effectively overcome by the direct-expansion solar/air-assisted heat …

Risk-constrained optimal chiller loading strategy using information gap decision theory

E Shi, F Jabari, A Anvari-Moghaddam… - Applied Sciences, 2019 - mdpi.com
This paper presents a novel framework for economic cooling load dispatch in conventional
water-cooled chillers. Moreover, information gap decision theory (IGDT) is applied to the …

Energy analysis of a dual-source heat pump coupled with phase change materials

M Bottarelli, FJ González Gallero - Energies, 2020 - mdpi.com
Installation costs of ground heat exchangers (GHEs) make the technology based on ground-
coupled heat pumps (GCHPs) less competitive than air source heat pumps for space …