Application and design aspects of ground heat exchangers
With the constant increase in energy demand, using renewable energy has become a
priority. Geothermal energy is a widely available, constant source of renewable energy that …
priority. Geothermal energy is a widely available, constant source of renewable energy that …
Experimental characterization of a transcritical CO2 direct expansion ground source heat pump for heating applications
Abstract Space heating and domestic hot water account for a large portion of energy
consumption in buildings. Direct expansion ground source heat pump (DX-GSHP) is a …
consumption in buildings. Direct expansion ground source heat pump (DX-GSHP) is a …
A transient coupled model of a variable speed transcritical CO2 direct expansion ground source heat pump for space heating and cooling
A transient coupled model for a variable speed CO 2 direct expansion ground source heat
pump (DX-GSHP) is developed. An annual simulation for integrated space heating and …
pump (DX-GSHP) is developed. An annual simulation for integrated space heating and …
Dynamic heat transfer analysis of a direct-expansion CO2 downhole heat exchanger
Y Li, W Xu, L Ma, J Zhao, W Li, S Wang, J Liu - Applied Thermal …, 2021 - Elsevier
Compared with conventional second-loop ground-coupled heat pump, direct-expansion
ground-coupled heat pump can achieve higher energy efficiency. To maximize the heat …
ground-coupled heat pump can achieve higher energy efficiency. To maximize the heat …
Comparison of Transcritical CO2 and Conventional Refrigerant Heat Pump Water Heaters for Domestic Applications
I López Paniagua, Á Jiménez Álvaro… - Energies, 2019 - mdpi.com
Although CO 2 as refrigerant is well known for having the lowest global warming potential
(GWP), and commercial domestic heat pump water heater systems exist, its long expected …
(GWP), and commercial domestic heat pump water heater systems exist, its long expected …
Parametric Investigation of a Ground Source CO2 Heat Pump for Space Heating
The objective of the present study is the parametric investigation of a ground source heat
pump for space heating purposes with boreholes. The working fluid in the heat pump is …
pump for space heating purposes with boreholes. The working fluid in the heat pump is …
Experiments and exergy analysis for a carbon dioxide ground-source heat pump in cooling mode
A prototype CO 2 ground-source heat pump (GSHP), ie a water-to-air heat pump designed
to couple with a ground heat exchanger, was tested in cooling mode per ISO standard …
to couple with a ground heat exchanger, was tested in cooling mode per ISO standard …
Studies on alternative hybrid materials for replacement of R134a in space heating process
This paper exhibits the performance analysis of a heat pump framework utilizing pure
refrigerants and zeotropic refrigerant mixtures. In the current work R407c has been blended …
refrigerants and zeotropic refrigerant mixtures. In the current work R407c has been blended …
A numerical and experimental analysis of a transcritical, CO2 heat pump water heater
KJ Lewry - 2021 - repository.library.carleton.ca
Due to the environmental concerns regarding traditional refrigerants, carbon dioxide (CO2)
is being studied as an alternative refrigerant in HPWHs. In this study, a commercially …
is being studied as an alternative refrigerant in HPWHs. In this study, a commercially …
Pump Assistant Ground-Source Two-Phase Thermosiphon for the Heating and Cooling of Households
V Ruzaikin, I Lukashov - Conference on Integrated Computer …, 2022 - Springer
Energy saving in every process of human activity is a strong trend aiming to reduce carbon
dioxide emissions from fossil energy sources. Residential natural gas consumption for …
dioxide emissions from fossil energy sources. Residential natural gas consumption for …