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Heat Pumps for the New Generation of Sustainable Buildings: Future Trends and Aspects

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

Deadline for manuscript submissions: 10 July 2025 | Viewed by 1736

Special Issue Editors


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Guest Editor
Department of Industrial Engineering, Alma Mater Studiorum-University of Bologna, 40136 Bologna, Italy
Interests: air-source and ground-source heat pumps; heat pump defrost; energy consumption of buildings and HVAC systems; phase change materials; energy efficiency; building energy modeling

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Guest Editor
Department of Industrial Engineering, Alma Mater Studiorum-University of Bologna, 40136 Bologna, Italy
Interests: air-source and ground-source heat pumps; energy consumption of buildings and HVAC systems; phase change materials; borehole heat exchangers; finite element simulations
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Special Issue Information

Dear Colleagues,

Heat pumps are efficient heat generators which can satisfy entirely the thermal demands of buildings’ space heating, space cooling and domestic hot water production by means of a single device. Moreover, this technology exploits a significant share of renewable energy from external sources (e.g., air, water, ground) and, for this reason, can contribute significantly to reaching the ambitious cuts in greenhouse gas emissions imposed by current policies. For these reasons, there is no doubt that we will soon see a capillary use of heat pumps in buildings to boost the decarbonization of the actual stock.

From a holistic point of view, the integration of heat pumps in existing or newly built HVAC systems, new environmentally friendly refrigerants, and optimization of the heat pump thermodynamic configuration are some of the open challenges that need to be answered to maximize the exploitation of renewable energy sources. This Special Issue aims to present and disseminate the most recent advances in heat pumps and heat pump applications, giving new insights related to the theory, design, modeling, application, control, and field monitoring of all types of heat pumps.

Topics of interest for publication include, but are not limited to:

  • Research and development on heat pump refrigerant cycle;
  • New environmentally friendly refrigerants;
  • Recent advances in heat pump systems and components;
  • Industrial and high-temperature heat pumps;
  • Hybrid heat pump systems;
  • Sorption and non-traditional heat pump systems;
  • Simulation-assisted design and optimization of heat pumps and heat pump applications.

Dr. Matteo Dongellini
Dr. Claudia Naldi
Guest Editors

Manuscript Submission Information

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Keywords

  • air-source heat pumps
  • ground-source heat pumps
  • dual-source heat pumps
  • hybrid heat pumps
  • thermodynamic cycle
  • heat pump components
  • environmentally friendly refrigerants
  • heat pump-based systems
  • integration of heat pumps in existing and newly built buildings
  • heat pump simulations
  • control logics

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Published Papers (1 paper)

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Research

25 pages, 1055 KiB  
Article
Simulation Study of Single-Adsorber Heat Pump Cycle with Heat Recovery Through Stratified Storage in Both Adsorber and Evaporator/Condenser Loops
by Alireza Sadeghlu and Ferdinand P. Schmidt
Energies 2024, 17(21), 5472; https://doi.org/10.3390/en17215472 - 1 Nov 2024
Viewed by 1128
Abstract
A modified single-adsorber cycle for a gas-fired adsorption heat pump (GAHP) is described and analyzed through dynamic simulation with Modelica. The adsorption modules are based on the SAPO-34 / water working pair with parameters taken from a recent R&D project. A stratified storage [...] Read more.
A modified single-adsorber cycle for a gas-fired adsorption heat pump (GAHP) is described and analyzed through dynamic simulation with Modelica. The adsorption modules are based on the SAPO-34 / water working pair with parameters taken from a recent R&D project. A stratified storage integrated into the primary heat pump loop is employed for heat recovery of the adsorber as well as the EC heat exchanger (functioning both as an evaporator and condenser). A heating system of a stock multifamily residential building in Germany is assumed as the load to be covered by the heat pump. Representative load points according to VDI 4650-2 and DIN EN 12309-6 rules are considered. The hydraulic system design and implications of the storage integration on degrees of freedom during operation are discussed. The results show that, for a well-stratified storage, similar COP values to a dual-adsorber heat pump cycle based on the same adsorption module type are achievable. Possible additional benefits of the storage are discussed. Full article
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