Residential Sector Energy Demand Estimation for a Single-family Dwelling: Dynamic Simulation and Energy Analysis

Gesteira, Luis Gabriel; Uche, Javier; Rodrigues, Luanda Kívia de Oliveira

doi:10.13044/j.sdewes.d8.0358

Cited by 9 publications

(4 citation statements)

References 25 publications

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“…Case study demands are deeply reported by Gesteira et al [49]. It refers to a singlefamily townhouse located in the city of Almería, in the Mediterranean European side of Spain.…”

Section: Resultsmentioning

confidence: 99%

“…In particular, the building demands were estimated in Ref. [49]. The total electricity demand (P Tot,dem ) is the sum of the building (P Build,dem ) and the system's (P Syst,dem ) electricity demands.…”

Section: Yearly Resultsmentioning

confidence: 99%

“…The thermal comfort analysis of the case study is reported in Ref. [49]. It presented two different situations: no indoor temperature control and temperature control as defined by the BD-ES [46].…”

Section: Thermal Comfortmentioning

confidence: 99%

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A Novel Polygeneration System Based on a Solar-Assisted Desiccant Cooling System for Residential Buildings: An Energy and Environmental Analysis

Gesteira

Uche

2022

Sustainability

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This work aims to design and dynamically simulate a polygeneration system that integrates a solar-assisted desiccant cooling system for residential applications as an alternative to vapor compression systems. The overall plant layout supplies electricity, space heating and cooling, domestic hot water, and freshwater for a single-family townhouse located in the city of Almería in Spain. The leading technologies used in the system are photovoltaic/thermal collectors, reverse osmosis, and desiccant air conditioning. The system model was developed and accurately simulated in the TRNSYS environment for a 1-year simulation with a 5-min time step. Design optimization was carried out to investigate the system’s best configuration. The optimal structure showed a satisfactory total annual energy efficiency in solar collectors of about 0.35 and about 0.47 for desiccant air conditioning. Coverage of electricity, space heating and cooling, domestic hot water, and freshwater was 104.1%, 87.01%, 97.98%, 96.05%, and 100%, respectively. Furthermore, significant ratios for primary energy saving, 98.62%, and CO2 saving, 97.17%, were achieved. The users’ thermal comfort level was satisfactory over the entire year. Finally, a comparison with an alternative coastal site was performed to extend the polygeneration system’s applicability.

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“…Case study demands are deeply reported by Gesteira et al [49]. It refers to a singlefamily townhouse located in the city of Almería, in the Mediterranean European side of Spain.…”

Section: Resultsmentioning

confidence: 99%

Section: Yearly Resultsmentioning

confidence: 99%

See 1 more Smart Citation

A Novel Polygeneration System Based on a Solar-Assisted Desiccant Cooling System for Residential Buildings: An Energy and Environmental Analysis

Gesteira

Uche

2022

Sustainability

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“…This research aims to focus on improving the energy performance of a boarding school, originally built at the end of the nineteenth century in Campobasso, Molise. In terms of occupancy, a building hosting a boarding school has a significant energy saving potential given by its similarity to both a school [15][16] and a residential building [17], for this reason it is an important piece of evidence.…”

Section: Introductionmentioning

confidence: 99%

Halving of consumption and energy efficiency of the “Mario Pagano” National boarding school in Campobasso

2021

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In the national context, Italy with the Integrated National Plan for Energy and Climate (PNIEC) intends to achieve an indicative target of reducing consumption by 2030 equal to 43% of primary energy and 39.7% of final energy compared to the reference scenario of 2007 while with the National Recovery and Resilience Plan (PNRR), the ecological transition will have to be the basis of the new development model on a global scale. To start it up, it will be necessary to drastically reduce emissions of climate-altering gases in line with the objectives of the European Green Deal. Secondly, it will be necessary to improve the energy efficiency of production chains, civil settlements and public buildings and the quality of air in urban centres and water. In light of these ambitious objectives, particular attention is paid to existing buildings: this research has been focused on the is the National Boarding School “Mario Pagano”, an 8,700 m2 school built in 1899, located in the historical centre of Campobasso (Molise). The effects of the intervention proposals have been simulated in order to evaluate energy savings and the reduction of CO2 emissions. The research is also supported by an economic evaluation that prove the economic sustainability within a period of about 15 years.

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The impact of building energy codes evolution on the residential thermal demand

Zabalza

Gesteira

Uche

2022

J Braz. Soc. Mech. Sci. Eng.

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The building stock decarbonization by 2050 requires the implementation of an energy transition strategy. Building energy codes must be considered to minimize the energy consumption of the residential sector. This paper aims to evaluate the evolution of the building energy codes of Spain based on energy simulation. A quantitative assessment of the residential thermal demand according to the new energy efficiency requirements introduced in national regulations over the years was performed. Heating, cooling, and domestic hot water demands were assessed for 60 cases modeled in DesignBuilder, combining different building geometric typologies, energy codes, and climate zones. Heating presented the largest contribution to the total energy demand reaching up to 75%. The codes’ evolution led to a significant reduction in heating and a slighter decrease in cooling. The results showed an average energy demand improvement of 50% from the first regulatory release to the latest one.

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Residential Sector Energy Demand Estimation for a Single-family Dwelling: Dynamic Simulation and Energy Analysis

Cited by 9 publications

References 25 publications

A Novel Polygeneration System Based on a Solar-Assisted Desiccant Cooling System for Residential Buildings: An Energy and Environmental Analysis

A Novel Polygeneration System Based on a Solar-Assisted Desiccant Cooling System for Residential Buildings: An Energy and Environmental Analysis

Halving of consumption and energy efficiency of the “Mario Pagano” National boarding school in Campobasso

The impact of building energy codes evolution on the residential thermal demand

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