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Energy Efficiency in Plants and Buildings 2020

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 November 2020) | Viewed by 5112

Special Issue Editors


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Guest Editor
Institute of Energy Economy and Application Technology, Technical University of Munich, Arcisstr. 21, 80333 Munich, Germany
Interests: theoretically and experimentally based energy systems modelling; electric mobility; CHP-Systems in smart grids; integration of renewable energies; energy market
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Guest Editor
Institute of Energy Economy and Application Technology, Technical University of Munich, Arcisstr. 21, 80333 Munich, Germany
Interests: analysis and evaluation of energy systems; decentralized energy supply systems; optimization of micro-cogeneration systems

Special Issue Information

Dear Colleagues,

The Institute for Energy, Economy, and Application Technology analyses the techno-economic fundamentals of energy supply. The combination of all technologies from the exploring of primary energy via energy conversion through to energy consumption has to be considered. Apart from getting conventional systems of energy supply technologies to use exhaustible resources more efficiently, renewable energy sources are becoming more important. Energy application includes all types of energy demand and ways to supply it efficiently, e.g., new methods for industrial process heat, and combined heat and power (CHP) with fuel cells or solar technology. This Special Issue concentrates on energy efficiency in plants and buildings, as they are the most important energy consumers next to the transport sector, encouraging researchers to hand in papers that focus on the topic. Your contribution may describe new theories, modelling, characterizations, improvements, topology, control methods, and applications. I am looking forward to receiving your submissions.

Prof. Dr. Ulrich Wagner
Dr. Peter Tzscheutschler
Guest Editors

Manuscript Submission Information

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Published Papers (1 paper)

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Research

23 pages, 3982 KiB  
Article
Energy Performance Optimization of a House with Grid-Connected Rooftop PV Installation and Air Source Heat Pump
by George Stamatellos, Olympia Zogou and Anastassios Stamatelos
Energies 2021, 14(3), 740; https://doi.org/10.3390/en14030740 - 31 Jan 2021
Cited by 15 | Viewed by 4641
Abstract
The use of air source heat pump systems for space heating and cooling is a convenient retrofitting strategy for reducing building energy costs. This can be combined with the rooftop installation of photovoltaic panels, which can cover, to a significant degree—or even significantly [...] Read more.
The use of air source heat pump systems for space heating and cooling is a convenient retrofitting strategy for reducing building energy costs. This can be combined with the rooftop installation of photovoltaic panels, which can cover, to a significant degree—or even significantly exceed the building’s electricity needs, moving towards the zero energy building concept. Alternatively, increased capacity for rooftop photovoltaic (PV) installation may support the ongoing process of transforming the Greek power system away from the reliance on fossil fuels to potentially become one of the leaders of the energy transition in Europe by 2030. Standard building energy simulation tools allow good assessment of the Heating, Ventilation and Air Conditioning (HVAC) and PV systems’ interactions in transient operation. Further, their use enables the rational sizing and selection of the type of panels type for the rooftop PV installation to maximize the return on investment. The annual performance of a three-zone residential building in Volos, Greece, with an air-to-water heat pump HVAC system and a rooftop PV installation, are simulated in a TRNSYS environment. The simulation results are employed to assess the expected building energy performance with a high performance, inverter driven heat pump with scroll compressor and high efficiency rooftop PV panels. Further, the objective functions are developed for the optimization of the installed PV panels’ area and tilt angle, based on alternative electricity pricing and subsidies. The methodology presented can be adapted to optimize system design parameters for variable electricity tariffs and improve net metering policies. Full article
(This article belongs to the Special Issue Energy Efficiency in Plants and Buildings 2020)
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