انطباق الگوریتم حرکتی سایبان هوشمند نمای ساختمان با الگوی رفتاری گیاه اگزالیس در راستای کنترل نور روز (نمونه‌موردی: شهر شیراز)
محورهای موضوعی : انرژی و معماری
زهرا یارمحمودی
1
,
طاهره نصر
2
,
حامد مضطرزاده
3
1 - دانشجوی دکترای معماری، گروه معماری، دانشکده هنر و معماری، واحد شیراز، دانشگاه آزاد اسلامی، شیراز، ایران
2 - دانشیار شهرسازی، گروه معماری، دانشکده هنر و معماری، واحد شیراز، دانشگاه آزاد اسلامی، شیراز، ایران.
3 - گروه معماری، دانشکده هنر و معماری، واحد شیراز، دانشگاه آزاد اسلامی، شیراز، ایران.
کلید واژه: سایبان هوشمند, انرژی تابشی, نور روز, شدت روشنایی, گیاه اگزالیس, شیراز.,
چکیده مقاله :
با گسترش تکنولوژی، مصرف انرژی به خصوص در بخش ساختمان افزایش یافته است. وجود سایبان هوشمند در ساختمان می‌تواند باعث کاهش مصرف انرژی شود. با وجود این، طراحی بهترین سیستم‌های مدیریتی مبتنی‌بر قوانین که به‌طور هم‌زمان قرار گرفتن در معرض نور خورشید، گرمای بیش از حد و مصرف انرژی را بتواند به حداقل برساند، همواره موضوعی چالش برانگیز برای طراحان به‌شمار می‌آید. باتوجه به اینکه طبیعت همیشه منبع الهام انسان بوده است، از این‌رو، گیاهان به‌عنوان منبع الهام جهت طراحی سایبان هوشمند در پژوهش حاضر انتخاب شده‌اند. گیاهان، مانند ساختمان با ریشه در جای خود ثابت هستند، اما نسبت به تغییرات محیط پیرامون خود واکنش نشان می‌دهند. بنابراین دارای عملکرد رفتاری مشابه ساختمان هستند. هدف از انجام پژوهش حاضر، طراحی سایبان هوشمند نمای ساختمان با الهام از الگوی رفتاری گیاه اگزالیس در طول شبانه‌روز جهت کنترل ورود نور خورشید به فضای داخلی ساختمان در اقلیم گرم و نیمه‌خشک و فصل تابستان است. روش پژوهش حاضر مدلسازی-شبیه‌سازی است. از نرم‌افزار راینو6 و پلاگین گرس‌هاپر جهت مدلسازی سایبان و از افزونه‌ی لیدی‌باگ و هانی‌بی جهت تحلیل انرژی تابشی و آنالیز نور روز استفاده شده است. نتایج حاصله حاکی از آن است که حرکت سایبان هوشمند در اقلیم شیراز متناسب با مسیر حرکت خورشید می‌تواند در حالت سایبان با پنل‌های بسته، نیمه باز و باز به ترتیب: 30%، 50% و 80% انرژی تابشی جذب شده توسط سطح شفاف نمای جنوبی، نور روز وارد شده به فضای داخلی و شدت روشنایی را کاهش دهد. این نشان دهنده‌ی عملکرد مطلوب سایبان هوشمند نمای ساختمان متناسب با اقلیم شیراز است. در نهایت پیشنهاداتی جهت طراحی کاربردی‌تر سایبان نما ارائه شده که شامل: طراحی سایبان به صورت مدولار، گسترش پذیر، سازگار با محیط پیرامون و طراحی به روش دیجیتال جهت تولید دقیق‌تر محصول است.
With the advancement of technology, energy consumption, particularly in the building sector, has significantly increased. Nowadays, designing smart facade shades is considered one of the proposed solutions in this field. However, designing optimal rule-based management systems that simultaneously minimize sunlight exposure, overheating, and energy consumption remains a challenging task for designers. To design a smart shade, it is necessary to first develop an appropriate and responsive motion pattern for the chosen performance. Considering that nature has always been a source of inspiration for humans and has sustainably operated over time, plants were selected as the inspiration source for designing the smart shade in this study. Plants, like buildings, are rooted and stationary yet respond to changes in their surrounding environment. Hence, they exhibit behavioral functions similar to building facades. This similarity arises from the fact that building facades, like plant skins, must protect the internal environment from external environmental changes. This highlights the importance of exploring plant-inspired sources to achieve desirable motion and form patterns. Additionally, Shiraz, characterized by a hot and semi-arid climate, was chosen as the case study due to its hot summers and intense sunlight on southern building facades, which necessitates the use of facade shades. The findings indicate that the movement of the smart facade shade in Shiraz’s climate, aligned with the sun’s path, can result in a 30% reduction in absorbed solar radiation on the transparent facade surface, as well as decreased daylight penetration and lighting intensity when the shade panels are fully closed. For shades with semi-open and open panels, the reductions were 50% and 80%, respectively. Furthermore, the lighting intensity in all shade states remained within standard ranges, demonstrating the efficient performance of the smart facade shade in Shiraz's climate. Finally, recommendations were made to enhance the practicality of facade shade design, including modular and expandable designs, adaptability to the surrounding environment, and digital methods for more precise product manufacturing.
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