اندازه گيري عملكرد حرارتي ديوار خارجي داراي عايق آيروژلي هوشمند شبيه سازي شده در مقايسه با ديوار مشابه فاقد عايق

Measurement of the thermal performance in external wall with simulated smart Aerogel insulation compared to the same wall without insulation

در ده‌هاي اخير اثرات مخرب مصرف بي رويه سوخت‌هاي تجديد ناپذير و كم توجهي به مفهوم پايداري، صدمات قابل توجه‌اي را به محيط زيست وارد كرده است. طبق آمار مراكز معتبر پژوهشي حدود چهل درصد از انرژي مصرفي بشر در بخش ساختماني به مصرف مي‌رسد، بنابراين توجه به بخش ساختمان از اهميت بالايي برخوردار است. از اصول معماري پايدار مصرف بهينه انرژي و كاهش تلفات حرارتي و بهره گيري از انرژي‌هاي تجديد پذير مي‌باشند. ديوار خارجي داراي عايق آيروژلي هوشمند (هوشمندي عايق به صورت دستي اعمال شد)، برنامه اصلي اين پژوهش تجربي و نوآورانه مي‌باشد. آزمون‌ها بصورت تجربي بر روي دو اتاق آزمون و كنترل صورت گرفت و نتايج مورد مقايسه واقع شد. علت بكار گيري عايق آيروژلي نخست به دليل ممتاز بودن خاصيت عايق گرمايي اين ماده بود و ديگر اينكه طبق نظر متخصصين دانشكده شيمي دانشگاه تهران امكان ساخت آيروژل با خاصيت عايقي هوشمند، نسبت به محرك‌هاي محيطي امكان پذير مي‌باشد. نتايج حاصل از پژوهش فوق نشان داد كه با فرض مشخصات اتاقك ها؛ اتاق آزمون داراي ديواري با دو لايه عايق آيروژلي هوشمند، نسبت به اتاق كنترل كاملا مشابه اما فاقد عايق؛ در طول 24 ساعت 0/9 ± 28/8 كيلو ژول انرژي بيشتري را به داخل اتاقك آزمون انتقال مي دهد.

In recent decades, the destructive effects of excessive consumption of non-renewable fuels and lack of attention to the concept of sustainability have caused significant damage to the environment. Eliminating natural resources and making destructive climate change is a direct impact of human effort on achieving modernity, an endeavor which has a positive purpose but destructive manner. The problems created, including rising ground temperatures and many of the problems raised, have attracted the attention of the people of all countries. According to reliable reports of research centers, about 40% of energy consumed by human is consumed in the building sector, so attention to the building sector is very important. From the principles of sustainable architecture are optimum energy consumption and reduced thermal losses and the use of renewable energy. Today, modern technologies of the word "intelligence" is very important. In fact, it could be argued, that in the near future an important part of modern technologies, will be related to intelligence. These changes will happen in the building industry and even today it is visible start. The purpose of this study was the comparison check of the thermal conductivity coefficient of a particular type of an external wall with smart Aerogel insulation compared with the thermal conductivity coefficient of the same type of wall but without insulation. In the studies, a similar sample of this case was not observed, this research is innovation and unique. Two test chambers one to test and the other to control were constructed for the purpose of the research. The southern walls of the two test chambers (the main wall) were designed to make changes to independent variables. The purpose of the research is to use smart Aerogel in external building covers, and because of the intelligence or controllability has not yet been made, the intelligence function is performed by simulation ( the function of the smart Aerogel is simulated by hand) and its results will be investigated.The external wall with smart Aerogel insulation (intelligence is manually applied) is the main program of this experimental and innovative research and the results of the tests were compared to the control chamber, which was completely similar and just without insulation. The first reason for the use of the Aerogel insulation was due to the excellent insulation properties of the material (the Aerogel is the best insulation in the world which has been ever discovered), and the second reason was because of according to the some research institutes in the science of materials (Department of Chemistry in the University of Tehran) the possibility of making smart Aerogel insulation is possible which they response to environmental stimuli. . The results of this study proved the positive effect of the external wall with two layers of the smart Aerogel insulation compare to the same type of wall but without insulation and The research showed that the test chamber with the smart Aerogel insulation, considering all test conditions compared to the same control chamber without insulation Transmits more than 28.8 ± 0.9 KJ into the test chamber during the 24 hours.