Transformation of a university building into a zero energy building in Mediterranean climate

Mytafides, Christos K.; Dimoudi, A.; Zoras, Stamatis

doi:10.1016/j.enbuild.2017.07.083

Cited by 55 publications

(32 citation statements)

References 18 publications

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“…in the energy performance of the building by numerical or experimental methods. In these studies, it was concluded that the pros and cons of implementing this typology of walls in buildings with different climate conditions [17][18][19]. Aldawoud et al [20] investigated the effects of different design scenarios on the airflow and energy performance of an office building with a double skin facade in Dubai city.…”

Section: Introductionmentioning

confidence: 99%

Energy and economic performance analysis of different ventilated wall construction types in residential buildings

Bahadır¹,

Thomollari²,

Kalfa³

et al. 2020

JCEMI

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Due to the increasing energy consumption in the world, energy efficiency has become the most important issue in sectors with high energy use such as industry, transportation, agriculture and construction. In many countries, the energy consumed in housing composes a large part of the total energy consumption. In Turkey, about 20% of total energy consumption is utilized in residential buildings and about 60% of this energy is used for heating. The energy consumed in residence buildings can be reduced by measures to decrease the heating and cooling loads. For this purpose, the main objective of this study is to investigate the effect of ventilated walls on the energy and cost performance of buildings. The energy and cost efficiency of 27 different ventilation walls with 3 different insulation thicknesses, 3 different ventilation gap thicknesses and 3 different cladding materials were compared with the reference wall. For a family of 3, a flat with a 2 + 1 plan was chosen for investigation and the flat is located in Trabzon, which represents the moderate-humid climate region. Flat plans with different ventilated walls were modeled using DesignBuilder energy simulation software and monthly/annual heating and cooling loads were obtained. Then, life cycle cost analysis has been conducted to investigate the cost effective ventilated wall types. Although the high initial investment costs of the investigated ventilated walls increase the life cycle costs, it has been observed that they provide energy savings in buildings.

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Section: Introductionmentioning

confidence: 99%

Energy and economic performance analysis of different ventilated wall construction types in residential buildings

Bahadır¹,

Thomollari²,

Kalfa³

et al. 2020

JCEMI

View full text Add to dashboard Cite

show abstract

“…e.g. Fluent [44,115,126,187] (within ANSYS at present), ANSYS CFX [78,81], Solidworks Flow Simulation [188], and CFD Flex [189]. Table 8 provides some references for CFD model used in current Trombe wall studies.…”

Section: Cfd Modelmentioning

confidence: 99%

“…Table 8 provides some references for CFD model used in current Trombe wall studies. [33,58,142,158,189,[196][197][198][199][200][201][202][203]. It is also the calculation base for the other evaluation indexes of Trombe…”

Section: Cfd Modelmentioning

confidence: 99%

Classification, experimental assessment, modeling methods and evaluation metrics of Trombe walls

Wang

et al. 2020

Renewable and Sustainable Energy Reviews

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Solar energy building applications are attracting increasing attention from researchers, engineers, businessmen and officials due to their significant benefits in sustainable development, such as energy saving, cost reduction and environmental protection. Trombe wall, as a classical passive solar heating technique, has been studied for many years. A variety of concepts, methodologies and experiences have been developed during relevant research. Especially in recent years, numerous studies on Trombe wall have been published, which implies a rising attention to this technique. This review focuses on the classification, experimental assessment, modeling methods, and evaluation metrics for Trombe wall. In detail, nine types of Trombe walls are introduced according to their materials, structures and functions. Four experimental methods and two modeling methods of Trombe wall are discussed based on their functions, advantages, disadvantages, and applicability. Three aspects of evaluation metrics for Trombe wall are summarized in terms of technique, economy and environment. Moreover, the current and future research of Trombe wall are discussed at the end. The authors consider this article would be useful for their peers and can facilitate the technical development of Trombe wall.

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“…In [4] and [5] different costefficient retrofit scenarios are discussed for typical educational buildings built around 1960-1970, taking into account occupants' wellbeing. In [6] and [7] two Mediterranean case studies are converted into zero energy buildings while considering IEQ aspects. Ascione et al [8] implement the refurbishment of an ancient university building in Italy by means of model simulation and with the investigation of potential savings.…”

Section: Introductionmentioning

confidence: 99%

The role of the reference building in the evaluation of energy efficiency measures for large stocks of public buildings

2019

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With the last European Directive 2018/844/EU, EU Member States have to outline effective strategies for the energy renovation of existing buildings, so as to achieve the objectives set respectively for 2030, 2040 and 2050, taking advantage of new financing instruments. In this process, public buildings are identified as important drivers for energy-behavioural changes among citizens and, in addition, they can benefit from encouraging mortgages for certified energy efficient renovations. However, the problem of dealing with existing public buildings is their sample size combined with the current necessity of significant renovations. In this scenario, the reference building acquires a key role as the starting model for the evaluation of primary energy needs and of retrofit measures. In this work, a reference building selected by a previous work is further analyzed, testing selected potential retrofit interventions by means of model simulation. The implemented measures are then evaluated using a cost-optimal approach, in order to integrate their priority with respect to cost-effectiveness. The aim of the work is to test on a building centrotype selected retrofit measures, to be then extended to the other buildings similar for their main geometrical and thermophysical features.

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Transformation of a university building into a zero energy building in Mediterranean climate

Cited by 55 publications

References 18 publications

Energy and economic performance analysis of different ventilated wall construction types in residential buildings

Energy and economic performance analysis of different ventilated wall construction types in residential buildings

Classification, experimental assessment, modeling methods and evaluation metrics of Trombe walls

The role of the reference building in the evaluation of energy efficiency measures for large stocks of public buildings

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