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Numerical investigation of the energy performance of an Opaque Ventilated Façade system employing a smart modular heat recovery unit and a latent heat thermal energy system

Dugue, Antoine; Diallo, Thierno M.O.; Javier Miguel, Francisco; Brown, Nathan; Diallo, Thierno M. O.; Diallo, Thierno; Zhao, Xudong; Dugué, Antoine; Bonnamy, Paul; Miguel, Francisco; Martinez, Asier; Theodosiou, Theodoros; Liu, Jing-Sheng; Brown, Nathan

Authors

Antoine Dugue

Thierno M.O. Diallo

Francisco Javier Miguel

Nathan Brown

Thierno M. O. Diallo

Thierno Diallo

Antoine Dugué

Paul Bonnamy

Francisco Miguel

Asier Martinez

Theodoros Theodosiou

Jing-Sheng Liu



Abstract

The building sector is responsible for more than 40% of the EU’s total energy consumption. To reduce the energy consumption in buildings and to achieve the EU’s fossil fuel saving targets for 2020 and beyond 2050, the energy efficient retrofitting strategies are critically important and need to be implemented effectively. This paper presents a dynamic numerical investigation of the energy performance of an innovative façade integrate-able energy efficient ventilation system (E2VENT) that incorporates a smart modular heat recovery unit (SMHRU) and a latent heat thermal energy system (LHTES). A number of component simulation models, including SMHRU, LHTES, Cladding and Building Energy Management System (BEMS), were developed and then integrated using the TRNSYS software which is an advanced building energy performance simulation tool. On this basis, sizing, optimisation and characterisation of the system elements including the HVAC system and insulation layer thickness were carried out. The overall energy efficiency of the E2VENT system and its impact on the energy performance of a post-retrofit building were then investigated. In particular, the heating and cooling energy performance of the E2VENT façade module was numerically studied at five different climatic conditions in Europe. Furthermore, the innovative E2VENT retrofitting was compared with traditional retrofittings in terms of the energy efficiency and primary energy savings. It was found that the innovative E2VENT solution can achieve 16.5 to 23.5 % building primary energy saving and compared to the traditional retrofitting, the E2VENT solution can achieve two times less primary energy consumption.

Citation

Diallo, T., Zhao, X., Dugué, A., Bonnamy, P., Miguel, F., Martinez, A., …Brown, N. (2017). Numerical investigation of the energy performance of an Opaque Ventilated Façade system employing a smart modular heat recovery unit and a latent heat thermal energy system. Applied energy, 205, 130-152. https://doi.org/10.1016/j.apenergy.2017.07.042

Journal Article Type Article
Acceptance Date Jul 15, 2017
Online Publication Date Aug 2, 2017
Publication Date Nov 1, 2017
Deposit Date Aug 2, 2017
Publicly Available Date Aug 6, 2018
Journal Applied energy
Print ISSN 0306-2619
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 205
Pages 130-152
DOI https://doi.org/10.1016/j.apenergy.2017.07.042
Keywords Opaque ventilated facade; Energy simulation; Smart modular heat recovery unit; Latent heat thermal energy system; Building energy management system (BEMS)
Public URL https://hull-repository.worktribe.com/output/453856
Publisher URL http://www.sciencedirect.com/science/article/pii/S0306261917309169
Copyright Statement ©2017. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
Additional Information This article is maintained by: Elsevier; Article Title: Numerical investigation of the energy performance of an Opaque Ventilated Façade system employing a smart modular heat recovery unit and a latent heat thermal energy system; Journal Title: Applied Energy; CrossRef DOI link to publisher maintained version: http://dx.doi.org/10.1016/j.apenergy.2017.07.042; Content Type: article; Copyright: © 2017 Elsevier Ltd. All rights reserved.

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Publisher Licence URL
https://creativecommons.org/licenses/by-nc-nd/4.0/

Copyright Statement
©2017. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/



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