Comprehensive analysis on thermal and daylighting performance of glazing and shading designs on office building envelope in cooling-dominant climates

Huang, Yu; Niu, Jianlei; Chung, TM

doi:10.1016/j.apenergy.2014.07.100

Cited by 117 publications

(50 citation statements)

References 57 publications

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“…The works of Carriere, et al [20], Huang, et al [11], Yang, et al [21] and Vanhoutteghem, et al [22] investigated the effectiveness of different glazing and window design systems under different climates with the aid of building simulation software. Huang, et al [11] examined the efficacy of different Sustainability 2017, 9, 731 4 of 23 energy-efficient building window designs in a cooling-dominant climate.…”

Section: Literature Reviewmentioning

confidence: 99%

“…Huang, et al [11] examined the efficacy of different Sustainability 2017, 9, 731 4 of 23 energy-efficient building window designs in a cooling-dominant climate. The results of their study indicated that low-emissivity glazing produces the best performance amongst the investigated design options; conversely, double-layer glazing gives the worst performance.…”

Section: Literature Reviewmentioning

confidence: 99%

“…They are the most common fenestration style and serve a variety of important functions in buildings, including: providing occupants with a connection to the external environment, providing thermal comfort, optimum illumination levels, air ventilation, passive solar gain and a possible avenue to exit the building in extreme scenarios [10,11]. They are a popular architectural form and the open scenery through windows in cities with high-rise buildings is a very desirable feature [11]. However, windows are responsible for a substantial proportion of wasted heat in heating-dominant climate (up to 60%) [12] and solar heat gain in cooling-dominant climates [4].…”

Section: Introductionmentioning

confidence: 99%

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Impact of Window Films on the Overall Energy Consumption of Existing UK Hotel Buildings

et al. 2017

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Abstract:Recently, considerable attention has justifiably been directed towards energy savings in buildings as they account for up to 20-40% of total energy consumption in developed countries. In the United Kingdom, studies have revealed that buildings' CO 2 emissions for account for at least 43% of total emissions. Window panels are a major component of the building fabric with considerable influence on the façade energy performance and are accountable for up to 60% of a building's overall energy loss. Therefore, the thermal performance of glazing materials is an important issue within the built environment. This work evaluates the impact of solar window films on the overall energy consumption of an existing commercial building via the use of a case study U.K. hotel and TAS dynamic simulation software. The study results demonstrated that the impact of window films on the overall energy consumption of the case study hotel is approximately 2%. However, an evaluation of various overall energy consumption components showed that the window films reduce the annual total cooling energy consumption by up to 35% along with a marginal 2% increase in the annual total heating energy consumption. They can also provide overall cost and CO 2 emissions savings of up to 3%.

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Section: Literature Reviewmentioning

confidence: 99%

Section: Literature Reviewmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Impact of Window Films on the Overall Energy Consumption of Existing UK Hotel Buildings

et al. 2017

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“…Freewan examined the effect of several types of shading devices on controlling air temperature and improving illuminance level in offices located in hot climate regions showing that all shading devices improved the thermal and visual environment in the offices [8]. Several simulation studies have been performed by Huang et al to evaluate the performance of different popular energy-efficient window designs in cooling-dominant climates showing that the comprehensive performance of overhangs is better than that of interior blinds [9]. Atzeri et al compared the performance of outdoor and indoor shading devices concerning the thermal and visual comfort of an openspace office located in Rome showing that although the use of shades always improves the thermal comfort, the energy demand could increase as an effect of particular configuration of the building [10].…”

Section: Shading Devicesmentioning

confidence: 99%

A Pareto-based multi-objective optimization algorithm to design energy-efficient shading devices

2016

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h i g h l i g h t sWe present a multi-objective optimization algorithm for shading design. We combine Harmony search and Pareto-based procedures. Thermal and daylighting performances of external shading were considered. We applied the optimization process to a residential social housing in Madrid. t r a c tIn this paper we address the problem of designing new energy-efficient static daylight devices that will surround the external windows of a residential building in Madrid. Shading devices can in fact largely influence solar gains in a building and improve thermal and lighting comforts by selectively intercepting the solar radiation and by reducing the undesirable glare. A proper shading device can therefore significantly increase the thermal performance of a building by reducing its energy demand in different climate conditions. In order to identify the set of optimal shading devices that allow a low energy consumption of the dwelling while maintaining high levels of thermal and lighting comfort for the inhabitants we derive a multi-objective optimization methodology based on Harmony Search and Pareto front approaches. The results show that the multi-objective approach here proposed is an effective procedure in designing energy efficient shading devices when a large set of conflicting objectives characterizes the performance of the proposed solutions.

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“…Yu Huang et al [38] analyzed the thermal performance and the daylight quality provided by glazing and shading designs in an office building located in dominantly cool climates. They found out that, with the increase of latitude, shading designs on the south windows perform better.…”

Section: Introductionmentioning

confidence: 99%

The Impact of Iwan as a Traditional Shading Device on the Building Energy Consumption

2017

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In this paper, the effect of an exterior shading element (Iwan) on energy consumption in four different climatic regions and for different orientations, has been investigated numerically and experimentally. By applying different materials and techniques and creating various elements and spaces, architects make hard climatic conditions more tolerable for residents. Iwan is one of the cooling elements which is used in different forms and dimensions in the Islamic architecture. In the present research, Iwan has been introduced as a climatic element in traditional and contemporary architectures and its role in reducing the energy consumption in buildings has been studied. In this respect, first, the thermal loads of a building without Iwan are computed using the EnergyPlus software. Then, four different forms of Iwan are added to the above-mentioned structure along the four principal orientations, moreover, the effect of Iwan on the reduction of thermal loads is analyzed for four different climates. Finally, the design parameters of Iwan, in terms of depth and form, which can help reduce the thermal loads in different climatic conditions are presented. The results show that the best position for using an Iwan is the south direction and the use of Iwan in temperate & humid, hot & humid, cold & mountainous and hot & dry climates could reduce the energy consumption in buildings by 32%, 26%, 14% and 29%, respectively.

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Comprehensive analysis on thermal and daylighting performance of glazing and shading designs on office building envelope in cooling-dominant climates

Cited by 117 publications

References 57 publications

Impact of Window Films on the Overall Energy Consumption of Existing UK Hotel Buildings

Impact of Window Films on the Overall Energy Consumption of Existing UK Hotel Buildings

A Pareto-based multi-objective optimization algorithm to design energy-efficient shading devices

The Impact of Iwan as a Traditional Shading Device on the Building Energy Consumption

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