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Optimized Energy and Comfort Management in Shared Smart Buildings

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Energy Sustainability".

Deadline for manuscript submissions: closed (30 September 2022) | Viewed by 3268

Special Issue Editor


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Guest Editor
Department of Energy, Systems, Territory and Constructions Engineering (DESTEC), University of Pisa, 56126 Pisa, Italy
Interests: applied thermodynamics; heat transfer; renewable energy; solar energy; geothermal energy; energy efficiency; energy systems optimization
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Special Issue Information

Dear Colleagues,

Energy efficiency, indoor environmental quality and user comfort in buildings for public use have received increasing attention in recent years, as they contribute to reducing the consumption of conventional fuels and greenhouse gas emissions, which are fundamental targets in sustainability programs. Worldwide, increasing awareness of energy sustainability issues has been the main driver in developing the concepts of (nearly) zero energy buildings, where the reduced energy consumption is (nearly) fully covered by power locally generated from renewable sources. At the same time, recent advances in Internet of Things technologies are among the main enablers of smart homes and buildings (SB). The transition of conventional buildings into active environments that process, elaborate and react to online measured environmental quantities is being accelerated by aspects related to COVID-19, most notably in terms of the control of indoor air quality parameters and the monitoring of the density of occupants. Many solutions can be defined for maximizing energy efficiency and the comfort level perceived by occupants, mainly determined by three factors: thermal comfort, visual comfort and air quality.

Efficient building energy consumption and the maintenance of a high level of comfort is still a challenging task: various heterogeneous variables and parameters affect the problem. In general, the proposed framework for balancing energy consumption and occupants’ preferences by adapting building controls to users’ activities and requirements does not consider the direct interaction of the users. In a moder vision, people should be able to enter SBs and learn about basic environmental variables of the building, such as the indoor temperature, air quality (e.g., in terms of CO2 levels) and visual comfort, and they should be able to interact with the energy systems (e.g., the HVAC—heating, ventilation and air conditioning—system and lighting systems), to a certain allowed extent (e.g., for security reasons), combined with natural resources (day lighting, outside temperature, etc.).

Accordingly, in this Special Issue, we plan to consider contributions about current energy/environment management strategies for buildings of public use, considering energy efficiency solutions including active occupant interaction. Optimal real-time control strategies for active plants, such as HVAC systems or heat pumps, should be found through a multifaceted optimization problem that considers the different and possibly contrasting desires of people, together with energy consumption reduction in public buildings.

Prof. Dr. Alessandro Franco
Guest Editor

Manuscript Submission Information

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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. Sustainability 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 2400 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 efficiency
  • occupant comfort
  • multiobjective optimization
  • sustainable buildings
  • data clustering
  • building dynamics
  • information and communication technologies
  • human interaction

Published Papers (1 paper)

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Research

17 pages, 1577 KiB  
Article
Optimal Operation of Low-Capacity Heat Pump Systems for Residential Buildings through Thermal Energy Storage
by Alessandro Franco, Carlo Bartoli, Paolo Conti and Daniele Testi
Sustainability 2021, 13(13), 7200; https://doi.org/10.3390/su13137200 - 27 Jun 2021
Cited by 4 | Viewed by 2700
Abstract
The paper provides results from a hardware-in-the-loop experimental campaign on the operation of an air-source heat pump (HP) for heating a reference dwelling in Pisa, Italy. The system performances suffer from typical oversizing of heat emission devices and high water-supply temperature, resulting in [...] Read more.
The paper provides results from a hardware-in-the-loop experimental campaign on the operation of an air-source heat pump (HP) for heating a reference dwelling in Pisa, Italy. The system performances suffer from typical oversizing of heat emission devices and high water-supply temperature, resulting in HP inefficiencies, frequent on-off cycles, and relevant thermal losses on the hydronic loop. An experimentally validated HP model under different supply temperatures and part-load conditions is used to simulate the installation of a thermal storage between heat generator and emitters, in both series and parallel arrangements. Results relative to a typical residential apartment show that the presence of the thermal storage in series configuration ensures smoother heat pump operation and energy performance improvement. The number of daily on-off cycles can be reduced from 40 to 10, also saving one-third of electric energy with the same building loads. Preliminary guidelines are proposed for correctly sizing the tank in relation to the HP capacity and the average daily heating load of the building. A storage volume of about 70 L for each kilowatt of nominal heating capacity is suggested. Full article
(This article belongs to the Special Issue Optimized Energy and Comfort Management in Shared Smart Buildings)
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