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Energy Systems for Residential and Tertiary Sector
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Energy Systems for Residential and Tertiary Sector

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "G: Energy and Buildings".

Deadline for manuscript submissions: closed (30 April 2020) | Viewed by 7981

Special Issue Editor

Prof. Mauro Venturini

E-Mail Website
Guest Editor
Dipartimento di Ingegneria, Università degli Studi di Ferrara, Via Giuseppe Saragat, 1 44122 Ferrara, Italy
Interests: CHP systems; renewable energy; gas turbine diagnostics and prognostics; pumps as turbines

Special Issue Information

Dear Colleagues,

The aim of the Special Issue “Energy Systems for the Residential and Tertiary Sector” is to be a high-quality forum for the dissemination of research on energy systems suitable to meet the energy demand of the residential and tertiary sector. The technologies of interest, fed with both fossil and renewable fuels, include, but are not limited to, internal combustion engines, micro gas turbines, micro Rankine cycles, Stirling engines, heat pumps, absorption chillers, solar panels, and wind turbines. Studies about sizing and management of energy storage coupled with the considered energy systems, as well as their integration with energy distribution networks, are also welcome.

The main topics of the Special Issue are related to energy performance analysis, environmental impact, economic feasibility, optimal management and control, and life cycle assessment.

The Special Issue “Energy Systems for the Residential and Tertiary Sector” will thus disseminate new developments about innovative, efficient, cost-effective, and environmentally friendly technologies for the residential and tertiary sector.

Prof. Mauro Venturini
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • energy systems
  • residential applications
  • tertiary sector
  • energy storage and harvesting
  • energy distribution network
  • energy analysis
  • feasibility analysis
  • environmental impact
  • management and control
  • life cycle assessment

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Published Papers (3 papers)

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Research

24 pages, 4484 KiB  
Article
Analysis of the Potential for Gas Micro-Cogeneration Development in Poland Using the Monte Carlo Method
by Dominik Kryzia, Marta Kuta, Dominika Matuszewska and Piotr Olczak
Energies 2020, 13(12), 3140; https://doi.org/10.3390/en13123140 - 17 Jun 2020
Cited by 26 | Viewed by 2838
Abstract
Micro-cogeneration (mCHP) is a promising solution for the generation of heat and electricity in households, it contributes to reducing carbon dioxide emissions in countries where the production of electricity is mainly based on fossil fuels. Its dissemination in Poland faces barriers in the [...] Read more.
Micro-cogeneration (mCHP) is a promising solution for the generation of heat and electricity in households, it contributes to reducing carbon dioxide emissions in countries where the production of electricity is mainly based on fossil fuels. Its dissemination in Poland faces barriers in the form of high purchase prices in relation to electricity productivity. In this work 1% of the household population in Poland was analyzed using the Monte Carlo method. It was found that for mCHP to become economically profitable for a group of at least 10,000 households, its price should fall from around 18,000 euros (711.5 euros/kWth and 18,000 euros/kWe) to 4800 euros (189.7 euros/kWth and 4800 euros/kWe) and for 100,000 households to 4100 euros (162.1 euros/kWth and 4100 euros/kWe). These calculations were made for fixed gas and electricity prices. The analysis also included cases of various changes in gas and energy prices. Faster growth of electricity prices than gas prices reduce the profitability barrier. In addition, a building located in Lesser Poland region was analyzed, with an above average demand for electricity and heat. Gas micro-cogeneration becomes profitable for this household at a price of 3700 euros (146.2 euros/kWth and 3700 euros/kWe) at fixed gas and electricity prices. Full article
(This article belongs to the Special Issue Energy Systems for Residential and Tertiary Sector)
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14 pages, 1297 KiB  
Article
Influence of User-Related Parameters on Calculated Energy Use in Low-Energy School Buildings
by Branko Simanic, Birgitta Nordquist, Hans Bagge and Dennis Johansson
Energies 2020, 13(11), 2985; https://doi.org/10.3390/en13112985 - 10 Jun 2020
Cited by 11 | Viewed by 2344
Abstract
Literature and experience show that there are large discrepancies between the calculated and measured building energy usages, where user-related parameters are significant factors with regard to energy use in low-energy buildings. Furthermore, the difficulties encountered when quantifying these parameters compound these discrepancies. The [...] Read more.
Literature and experience show that there are large discrepancies between the calculated and measured building energy usages, where user-related parameters are significant factors with regard to energy use in low-energy buildings. Furthermore, the difficulties encountered when quantifying these parameters compound these discrepancies. The main aim of this study was to provide feedback that would help the building industry and research communities to predict more accurately the impact of the user-related parameters on energy performance. The results of the study would, subsequently, contribute to minimizing the discrepancies between calculated and measured energy use. This article analyses simulated building energy use based on randomly chosen combinations of measured user-related parameters in three recently built low-energy schools in Sweden. The results show that energy performance can span from 30 to 160 kWh/(m² y) simply by varying the combination of previously measured user-related parameters in building energy simulations. The study shows that the set points for indoor air temperatures during the heating season and the energy required to run a demand-controlled ventilation system have an extensive influence, while tenant electricity use has a slightly lower influence on building energy use. Variations in occupancy rates and energy for hot water usage have the smallest influences on building energy use. Full article
(This article belongs to the Special Issue Energy Systems for Residential and Tertiary Sector)
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22 pages, 4672 KiB  
Article
University Campus and Surrounding Residential Complexes as Energy-Hub: A MILP Optimization Approach for a Smart Exchange of Solar Energy
by Sergio Rech, Stefano Casarin, Carlos Santos Silva and Andrea Lazzaretto
Energies 2020, 13(11), 2919; https://doi.org/10.3390/en13112919 - 6 Jun 2020
Cited by 7 | Viewed by 2487
Abstract
An effective way to enlarge the utilization of renewable energy consists in creating a correct interface between producers, consumers, and storage devices, i.e., a so-called “energy hub”. This opens a difficult challenge, especially in the urban areas where the availability of room for [...] Read more.
An effective way to enlarge the utilization of renewable energy consists in creating a correct interface between producers, consumers, and storage devices, i.e., a so-called “energy hub”. This opens a difficult challenge, especially in the urban areas where the availability of room for the installation of renewable plants is limited. This paper considers a university campus in the center of Lisbon that requires a significant amount of electricity and natural gas to support the internal activities. The idea is to fulfil part of the energy consumption of the campus with the excess of energy supplied by solar systems installed in the surrounding residential buildings. The goal is to find the number and type of solar equipment that maximize the reduction of annual energy costs of both residents and campus, where the campus is seen as a virtual storage. Results of the optimization show that, considering the best-exposed 100 buildings in a radius of 500 m around the campus, the campus can reduce the annual energy expenses up to 8.61%, whereas the money-saving for the residents is of the order of 24% to 29%, depending on solar exposure. A sensitivity analysis shows also the higher benefits for both the campus and users deriving from expected decreasing costs of photo-voltaic (PV) panels. Full article
(This article belongs to the Special Issue Energy Systems for Residential and Tertiary Sector)
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