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Dissertation
Rénovation énergétique et architecturale de la Maison Strebelle
Authors: --- --- --- ---
Year: 2016 Publisher: Liège Université de Liège (ULiège)

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Abstract

La recherche d’efficacité énergétique est au centre des préoccupations de la société actuelle. Les bâtiments d’intérêt architectural de la seconde moitié du XXe siècle constituent une part importante de notre patrimoine immobilier et la question suivante émerge : comment rénover ce patrimoine bâti pour atteindre les performances énergétiques actuelles ? Les enjeux de ce travail consistent donc à proposer des solutions de rénovation pour un bâtiment d’intérêt patrimonial de l’Université de Liège : la Maison Strebelle. Pour développer ces propositions, la méthodologie utilisée se base sur deux approches complémentaires. Une section descriptive souligne l’évolution architecturale du site et de la construction. Une section analytique se base sur la réalisation d’un audit énergétique et thermographique pour créer une modélisation thermique dynamique du bâtiment. Deux scénarios de rénovation sont implémentés et comparés. Des détails constructifs, une analyse sur le confort, un dimensionnement de l’éclairage et du système de chauffage sont dressés et permettent d’estimer les coûts de rénovation des configurations retenues. Les résultats indiquent que les performances de la construction peuvent être largement améliorées et respecter les critères qui définissent un bâtiment passif aujourd’hui. La consommation en énergie primaire peut être réduite de plus de 60 [%], les performances de l’enveloppe peuvent être améliorées de près de 80 [%], pour des coûts relativement faibles. Ce travail ne fournit pas une solution univoque mais bien une méthodologie pouvant amener à une rénovation cohérente. Il est dédié aux architectes et constructeurs, recherchant des solutions pour des bâtiments semblables, construits à la même époque.


Dissertation
Energy Efficiency Design Index (EEDI) Impact on Superyacht Design
Authors: --- --- ---
Year: 2013 Publisher: Liège Université de Liège (ULiège)

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Abstract

Global environmental agencies and maritime authorities have become increasingly concerned by the environmental impact of CO2 emission. Increasing fleets of super yachts consume ever larger quantities of fossil fuel. Increasing social pressure and new legislative efforts to reduce environmental damage mean that the industry must respond accordingly. 

Current yacht design legislation has a focus on occupational safety and the environment. However the legislation surrounding environmental protection has been increasing significantly. Environmental legislation addresses both the protection of the environment in the event of an accident and also on reducing the operational environmental impact. 

EEDI or Energy Efficiency Design Index is a new standard, that was set by the IMO (the International Maritime Organization) for new ships greater than 400 GT with some exceptions that can be allowed by Administrative bodies until 2017 (regulation 19.4). The purpose behind the EEDI is to promote innovation from the initial ship design stage in order to reduce energy consumption at full load. It is applicable to many vessels: bulk carriers, tankers, container ships, general cargo ships, passenger ships, gas carriers, gen eral cargo and RO-RO vessels. Working class vessels such as offshore supply vessels, tugboats and dredgers are excluded for the present time. 

There are no conformations until this point in time whether EEDI will be implemented on yachts. Azimut-Benetti is taking an early initiative to investigate any possibilities for improvement. In such event this could become a driver for sales. As the EEDI is measurable figure, this could become a way for comparing shipyards, hence increasing competition on this field. At the conclusion of this research, Azimut-Benetti Yachts will be presented with guidelines that will assist in calculating the EEDI and selecting the most efficient technologies that optimise both cost and efficiency. Azimut-Benetti has a keen interest in the cost and potential savings over time from implementing the EEDI compared to existing technologies and offer to owner‟s efficient yachts


Dissertation
QUALITATIVE ANALYSIS OF ECO-EFFICIENT BUILDINGS PARTICIPATING IN THE GREEN SOLUTIONS AWARDS
Authors: --- --- --- ---
Year: 2021 Publisher: Liège Université de Liège (ULiège)

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Abstract

This thesis presents the journey taken in a sustainable building project and the role of renewable energy in these highly efficient buildings. The UN and other organisations/institutions have put curated and implemented strategies, plans and goals to reduce climate change, adapt and mitigate its effects. One of the ways in which the EU can achieve its energy efficiency target is through the use of energy efficient buildings such as nZEB buildings. Measures like this have acted as a catalyst for the development of cooperation and/innovation platforms such as Construction21, the organiser of the Green Solutions awards. All the case studies in this thesis are selected from Green Solutions Awards. The first step for all the building projects under consideration was to define the vision of the project, which is to decide what kind of building they wanted to achieve. The stakeholders such as the project manager, consulting firms, architect, HVAC experts and materials suppliers have to work with each other. At each stage, they were faced with different choices and had to make decisions that had a significant impact on the overall results of the building. The final choice had to be a balance between performance, budget and the wishes of the project manager or building owner, plus the advantages had to outweigh the disadvantages. In order to achieve energy efficiency, it is imperative that the systems, measures and materials put in place in the building are carefully considered and that the options which are eventually implemented match the intended building use. Though the use of RE has excellent benefits for the environment, it is not always the only way to achieve highly efficient eco buildings.


Multi
Rural energy and afforestation : case studies from Ethiopia
Author:
ISBN: 9188514404 Year: 1998 Publisher: Göteborg Göteborgs universitet. Nationalekonomiska institutionen

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