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glazed façade of a bank tower project in Budapest, Hungary had to be optimized to avoid summer overheating and glare effect. Multiple façade variants were tested by assessing the thermal and visual comfort, as well as the energy demand with thermal

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-west oriented high-rise office building cases, based on complex dynamic thermal simulations to achieve thermal and visual comfort and low energy consumption. 2 Methodology This study aims to investigate the geometrical design parameters of the fenestration and

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Abstract

The reduction of energy consumption is a major issue nowadays that should be considered during the design process. High-rise buildings represent a building type with significantly high energy consumption. They serve typically as offices with fully glazed façades, generating considerable energy demand. This study aims to optimize the envelope and the shading systems of a high-rise office building (Middle Europe). For this purpose, multiple façade variants were tested by assessing the thermal and visual comfort, as well as energy demand. The IDA ICE 4.8 building energy simulation program was used for thermal and lighting modeling and to carry out building physics calculations. Results revealed the best performing, optimized façade configuration in terms of comfort and energy efficiency.

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Abstract:

This paper proposes the application of energy efficient, low tech (passive) building design strategies and concepts in an industrial facility case study, in order to create a building with high efficiency and comfort within the boundaries of a tight investment cost. The planning process is supported by dynamic thermal and daylight simulations. Two versions were considered, a conventional industry building and a low tech one with climate zone based space organization. According to the evaluation of thermal and visual comfort as well as energy demand the selected version with the innovative passive concept delivered considerably better performance. According to the constructor’s concept, the reference building had to be placed by minimal adaptation on the new site. After considering and calling this concept into question, a new ‘energy design’ concept was elaborated at the sketch planning level. The new concept was compared with the reference building and a quantified, simulation assisted evaluation was provided about the cases. Since there was an essential improvement in comfort and energy level and, in addition, at architectural standard, the constructor could have been convinced to accept the new concept.

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winter, and radiation loads in summer into account. 3 Results and discussion (Case studies) The cases shown in Table I have already been investigated [ 10 ] at thermal and visual comfort performance, hence actual energy consumption cases have been

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Pollack Periodica
Authors:
Mohammad Reza Ganjali Bonjar
,
Kristóf Roland Horváth
,
Bálint Baranyai
, and
István Kistelegdi

), hence an evaluation should enable to find the most beneficial orientation dependent WWR in the performance combination of thermal and visual comforts, as well as heating, cooling and lighting energy consumption. 3 Results and discussion The comfort

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mass with special regard to thermal and visual comfort performance. 2 Methodology During the tests, zonal modeling was used, which measures data in a given central node in a zone on an annual basis, in hourly resolution. The energy and climate dynamic

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equation of the overall satisfaction levels of museum visitors. Other independent variables, including thermal and visual comfort, were removed by stepwise regression because P > 0.100. Table 3. Regression of visitors' satisfaction with technical elements

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