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Christian Hepf, Ben Gottkehaskamp, Clayton Miller and Thomas Auer
Building operational energy alone accounts for 28% of global carbon emissions. A sustainable building operation promises enormous savings, especially under the increasing concern of climate change and the rising trends of the digitalization and electrifi...
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Shunyao Lu, Xiaoqing Huang, Tao Chen and Zhengzhi Wang
The accurate distribution of solar energy on indoor walls is the basis of simulating the indoor thermal environment, and its specific distribution changes all the time due to the influence of solar azimuth and altitude angle. By analyzing the assumptions...
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Georgios Chantzis, Effrosyni Giama and Agis M. Papadopoulos
The EU energy and climate policy has set quantitative goals for decarbonization based on the energy efficiency and the evolution of energy systems. The utilization of demand side flexibility can help towards this direction and achieve the target of highe...
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Matteo Dongellini, Christian Natale, Claudia Naldi, Eugenia Rossi di Schio, Paolo Valdiserri and Gian Luca Morini
An energy and environmental performance analysis of air-source and ground-source heat pump systems able to operate with traditional (R-410A) and alternative low-GWP (R-454B) refrigerants is conducted. The case study is composed of an existing residential...
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Martin Rodríguez-Vázquez, Iván Hernández-Pérez, Irving Hernández-López, Yvonne Chávez, Carlos M. Jiménez-Xamán, Luis A. Baltazar-Tadeo and Alfredo Aranda-Arizmendi
The refurbishment of a social interest building using Earth-to-Air Heat Exchanger (EAHE) was studied in representative dry climatic conditions of Mexico (dry, very dry, temperate, and sub-temperate). A simulation method that uses both computational fluid...
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Mirko Stanimirovic, Miomir Vasov, Marko Mancic, Boris Rancev and Milena Medenica
In the last few years, Stara planina (the Balkan Mountains) and its surroundings have been improving their tourist offer. The area is protected by law, as a nature park, and the construction of new buildings requires a complex administrative procedure. R...
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Jesús Armando Aguilar-Jiménez, Luis Hernández-Callejo, José Alejandro Suástegui-Macías, Victor Alonso Gómez, Alfonso García-Álvaro, Raúl Maján-Navalón and Lilian Johanna Obregón
By the year 2020, 90% of the population with access to electricity worldwide was surpassed. However, the reality is very different for many countries, especially for those on the African continent that had more than 572 million people without electricity...
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Mohamed Ghorab, Libing Yang, Evgueniy Entchev, Euy-Joon Lee, Eun-Chul Kang, Yu-Jin Kim, Sangmu Bae, Yujin Nam and Kwonye Kim
Hybrid renewable energy systems are subject to extensive research around the world and different designs have found their way to the market and have been commercialized. These systems usually employ multiple components, both renewable and conventional, c...
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Depeng Chen, Xin Chen, Zhiwei Ma, Yaodong Wang, Anthony Paul Roskilly and Jian Zhou
Adsorption-based thermochemical heat storage is a promising long-term energy storage technology that can be used for seasonal space heating, which has received significant amount of efforts on the research and development. In this paper, the heat storage...
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Vincenzo Ballerini, Eugenia Rossi di Schio and Paolo Valdiserri
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