Abstract
This study investigates the potential of contemporary Earth-Sheltered Buildings to contribute to sustainable societies by achieving Plus Energy Building status during the heating season. The buildings analyzed are intended to house a four-member family (102.5 m2). The house is equipped with a ground source heat pump, geothermal vertical probes, floor heating panels, an energy recovery ventilator, and building-integrated photovoltaic panels installed on the exposed building wall. The numerical analysis (using EnergyPlus software) was carried out for nine European sites covering five different climatic zones (namely: southern, Atlantic, continental, alpine, and northern climate) and three latitude belts spanning Europe from south to north. Buildings above 65° N (northern and alpine climate) could not achieve Plus Energy status with 20% efficient BIPVs. With 15% efficient BIPVs, the building above 59° N (northern climate) was incapable of achieving this as well. Regarding the monthly time step, the buildings in the southern and Atlantic climates with 15% efficient BIPVs were able to produce an energy surplus every month, as was the building in the Alps with 20% efficient BIPVs.
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Abbreviations
- A :
-
area [m2]
- COP:
-
coefficient of performance [—]
- d :
-
thickness [m]
- E :
-
electricity production and consumption [kWh]
- el :
-
elevation [m]
- f :
-
fraction [—]
- HDD:
-
heating degree days [°C·d]
- I :
-
solar radiation [kWh/m2]
- k :
-
thermal conductivity [W/(m·K)]
- Δp :
-
pressure drop [Pa]
- R :
-
heat resistance [m2·K/W]
- T :
-
absolute temperature [K]
- TZ :
-
time zone [h]
- U :
-
heat transfer coefficient [W/(m2·K)]
- V :
-
volume flow [m3/s]
- η :
-
efficiency [—]
- λ :
-
longitude [°]
- ρ :
-
density [kg/m3]
- τ :
-
time [h]
- φ :
-
latitude [°]
- *:
-
correction
- 1:
-
inlet
- 2:
-
outlet
- a:
-
exhaust from the thermal zone
- b:
-
supply to the thermal zone
- CR:
-
circumsolar region
- DIFF:
-
diffuse
- DIR:
-
direct
- FAN:
-
fan
- G:
-
ground
- INV:
-
inverter
- LAT:
-
latent
- O:
-
obstacle
- REFL:
-
reflection
- SD:
-
skydome
- SENS:
-
sensible
- SH:
-
sky horizon
- TOT:
-
total
- BAT:
-
bathroom
- BDR:
-
bedroom
- BIPV:
-
building-integrated photovoltaic
- ERV:
-
energy recovery ventilation
- EHS:
-
end of a heating season
- ES:
-
earth-sheltered
- ESB:
-
earth-sheltered buildings
- FHP:
-
floor heating panels
- GSHP:
-
ground source heat pump
- GVP:
-
geothermal vertical probes
- H:
-
hall
- IPCC:
-
Intergovernmental Panel on Climate Change
- K:
-
kitchen
- LR:
-
living room
- PEB:
-
Plus Energy Building
- PV:
-
photovoltaic
- SR:
-
storage room
- SHS:
-
start of a heating season
- SUB:
-
semi-underground buildings
- Z :
-
thermal zone (room)
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All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by Aleksandar Nešović, Nebojša Jurišević, Robert Kowalik, Ivana Terzić. The first draft of the manuscript was written by Nebojša Jurišević and Aleksandar Nešović, and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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Nešović, A., Jurišević, N., Kowalik, R. et al. Potential of contemporary earth-sheltered buildings to achieve Plus Energy status in various European climates during the heating season. Build. Simul. 17, 41–52 (2024). https://doi.org/10.1007/s12273-023-1061-x
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DOI: https://doi.org/10.1007/s12273-023-1061-x