Thesis

INTELLIGENT AND ADAPTIVE FAÇADE SYSTEM: THE IMPACT OF INTELLIGENT AND ADAPTIVE FAÇADE ON THE PERFORMANCE AND ENERGY EFFICIENCY OF BUILDINGS

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Abstract

The integration of nature and technology always represents a rich combination of developed and innovative elements to serve the environment. Building performance depends not only on the operation of individual elements in the building but also on how they behave as integrated systems to satisfy the user demands. In architecture, usually projects are consist of different stages of design process, and several factors need to be considered among this cycle, such as climate, building shape, comfort levels, materials and systems, occupant health and security. Therefore, advanced technologies became a significant discourse that caught the interest of many professional fields. The building envelope is particularly important, as it is the starting point of energy efficiency measures, and the main determinant of the amount of energy required for heating, cooling and ventilation. In order to be able to deal with the different energy saving alternatives, a strong foundation of knowledge need to be addressed to the architects and engineers. Hence, understanding the nature of a specific system in the ecosystem can provide us with intelligent solutions that could fulfill the multipurpose functions. The study focuses on the dynamic kinetics and adaptive facades system, and its impact on the quality of the interior environment, as well as the whole building energy efficiency and performance in the worm humid climate. Investigation was carried through fabric gain energy modeled box of 4ft x 4ft x 4ft in Autodesk ecotect, and for various dynamic shading devices (horizontal, vertical, and grid) for a south facing façade. Also, Physical models experiments with the same settings were conducted as part of this study to validate the outcomes from the simulation runs. In the first case analysis, representations have shown for HVAC energy consumption and temperature changing average during a course of a day – hourly basis – with overall KWh consumption for each hour on June 19th – 20th. The outcomes revealed that the use of smart shading comparing the to the non-shaded condition results in energy saving of about 34% – 40%.

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... Previous studies have contributed numerous research findings in this field [5]. The study of the intelligent interior environment control system is based on green buildings and the thermal comfort index (PMV) [6]. The system is intended to outperform conventional air conditioning systems regarding comfort and energy efficiency. ...
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... Energy frame helps to solve the fundamental functions of facade.. Intelligent facades have been used to incorporate received solar energy for building operations. Upadhyay and Ansari (2017) stated that solar energy can be used fully to operate the building.All the external forces of climate acting on building skin are changeable therefore to achieve comfort and energy efficiency designing of building envelope plays major role. ...
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A responsive facade system is considered a major component of high-performance building envelope that is capable of responding to environmental stimuli and aims to improve occupants’ comforts and energy consumption. While building design-related research have addressed the technical and design aspects of responsive facades, very limited historical studies have been conducted on the evolution of such systems. This paper investigates and classifies in a chronological manner the historical factors involved in the evolution of design and development of responsive facade systems. The influential factors are classified into a set of sociocultural, technological, political, environmental and economic factors originating from revolutionary changes in art, technology and building construction since late nineteenth century. The historical timeline presented is intended to serve as a helpful resource for researchers and educators in research and teaching activities. The formulated timeline can be utilized to track the pattern of current developments and predict what might be expected in the future. While the focus of the paper is on individual architecture, the trend of the recent facade developments as presented in the timeline suggests that responsive facades will be possibly implemented for urban-scaled development of smart neighborhoods and/or cities in the future.
Conference Paper
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با پیشرفت تکنولوژی و با جایگزین شدن روش¬های غیرفعال سرمایش و گرمایش توسط سیستم¬های مکانیکی، میزان مصرف انرژی تدریجا افزایش یافته است. از این رو، ایجاد ساختمان¬های سبز و پایدار به منظور کاهش مصرف انرژی و مشکلات زیست¬محیطی ضرورت می¬یابد. تلفیق طبیعت و تکنولوژی در معماری به طراحی عناصر پیشرفته¬ای منجر شده است که نه تنها کارایی مستقل اجزا را افزایش می¬دهد، بلکه در افزایش بازده سیستم نقش مهمی ایفا کرده است. در میان اجزای ساختمان، پوشش آن از اهمیت ویژه¬ای در تعیین مقدار انرژی لازم برای گرمایش، سرمایش و تهویه برخوردار می-باشد. در این مقاله به دنبال آشنایی با راهکارهایی هستیم که با تغییر الگوهای طراحی نما و سایبان¬ها عملکرد ساختمان را بهبود بخشیده و مصرف انرژی را کاهش دهیم. سایبان¬های ثابت اگرچه گاها کارایی مناسبی در دوره¬های زمانی نیاز به سایه دارند، لیکن اغلب در سایر بازه¬های زمانی ساختمان را با مساله سایه¬اندازی بیش از حد و در نتیجه نیاز به گرمایش اضافی مواجه می¬سازند. از آن جا که مسیر حرکت خورشید دائما در حال تغییر است، یکی از راهکارهای مناسب برای بهره-گیری از نور روز و کاهش مصرف انرژی تلفیق سایبان¬ها با ویژگی¬های هوشمند می¬باشد؛ به طوری که سایبان هوشمند با توجه به حرکت خورشید و تغییرات شرایط محیطی تغییر وضعیت می¬دهد، با محیط سازگار شده و از فضای داخلی در برابر تابش نامطلوب خورشید محافظت می¬کند. در اینجا هوشمند بودن بدین معناست که سیستم قابلیت سازگاری با محیط را به صورت خودکار دارا باشد. با این وجود امکان اعمال تنظیمات به صورت دستی که ترجیح کاربر را نیز درنظر می¬گیرد از مزیت¬های سیستم به شمار خواهد آمد. سایبان¬های هوشمند می¬توانند در قالب نماهای متحرک و هوشمند اجرا شوند و تاثیر به سزایی در بهبود روشنایی فضای داخلی و کاهش مصرف انرژی داشته باشند. عملکرد این نماها بایستی از طریق مدل¬سازی مورد بررسی قرار گیرد.
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