بهبود عملکرد انرژی در محدوده آسایش گرمایی از طریق بهینه سازی مواد تغییر فاز دهنده
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بهبود عملکرد انرژی در محدوده آسایش گرمایی از طریق بهینه سازی مواد تغییر فاز دهنده

عنوان فارسی مقاله: بهینه سازی مواد تغییر فاز دهنده برای بهبود عملکرد انرژی در محدوده آسایش گرمایی در آب و هوای کره جنوبی
عنوان انگلیسی مقاله: Optimization of phase change materials to improve energy performance within thermal comfort range in the South Korean climate
مجله/کنفرانس: انرژی و ساختمان ها - Energy and Buildings
رشته های تحصیلی مرتبط: مهندسی انرژی
گرایش های تحصیلی مرتبط: فناوری های انرژی، سیستم های انرژی
کلمات کلیدی فارسی: بهینه سازی، مواد تغییر فاز دهنده، ذخیره انرژی حرارتی، عملکرد انرژی، شبیه سازی انرژی ساختمان، آسایش حرارتی
کلمات کلیدی انگلیسی: Optimization، Phase change material، Thermal energy storage، Energy performance، Building energy simulation، Thermal comfort
نوع نگارش مقاله: مقاله پژوهشی (Research Article)
نمایه: Scopus - Master Journals List - JCR
شناسه دیجیتال (DOI): https://doi.org/10.1016/j.enbuild.2018.12.013
دانشگاه: Department of Architecture and Architectural Engineering, Yonsei University, Seoul 03722, Republic of Korea
ناشر: الزویر - Elsevier
نوع ارائه مقاله: ژورنال
نوع مقاله: ISI
سال انتشار مقاله: 2019
ایمپکت فاکتور: 5/031 در سال 2018
شاخص H_index: 147 در سال 2019
شاخص SJR: 1/934 در سال 2018
شناسه ISSN: 0378-7788
شاخص Quartile (چارک): Q1 در سال 2018
فرمت مقاله انگلیسی: PDF
تعداد صفحات مقاله انگلیسی: 63
وضعیت ترجمه: ترجمه نشده است
قیمت مقاله انگلیسی: رایگان
آیا این مقاله بیس است: خیر
آیا این مقاله مدل مفهومی دارد: ندارد
آیا این مقاله پرسشنامه دارد: ندارد
آیا این مقاله متغیر دارد: ندارد
کد محصول: E11488
رفرنس: دارای رفرنس در داخل متن و انتهای مقاله
فهرست انگلیسی مطالب

Abstract


1- Introduction


2- Experimental


3- Analysis of the thermal properties for PCMs


4- Optimized PCM application


5- Energy simulation analysis


6- Conclusion


References

نمونه متن انگلیسی مقاله

Abstract


Worldwide growth and the pursuit of comfort in buildings have led to significant increase in energy consumption, which is considered a current issue. Phase change material (PCM), a thermal energy storage (TES) material, is considered an effective and promising material to reduce energy consumption. In recent years, research on the application of PCM to provide higher comfort for occupants has been growing rapidly. Studies show that it is necessary to consider the optimized phase change temperature of PCMs within the comfort temperature and specific climate conditions. Thus, the objective of this study is to investigate the best optimized PCM under thermal comfort range in the climate conditions of South Korea, and analyze the energy savings of PCMs, using DesignBuilder. The prepared PCMs were n-octadecane (OT), n-heptadecane (HT), and n-hexadecane (HX), which phase change temperatures were close to the thermal comfort range. The results of the circulation water bath test showed that the phase change temperature of the mixed PCMs by OT and HT was (22–23) °C, within the thermal comfort range. According to the various mixing ratios of OT to HT, the phase change temperatures of PCMs for OH91, OH73, OH55, OH37, and OH19 appeared at ((24–26), (23–24), (22–23), (21–23), and (20–22)) °C, respectively. For energy simulation, gypsum boards with OT, OHs, and HT were prepared, and analyzed by replacing conventional gypsum board of the standard residential construction house model in South Korea. As a result, the maximum energy savings were shown by OH73 in cooling, and OH19 in heating. Consequently, the maximum total energy savings were achieved for OH73, which means that the best optimized PCM for South Korea demonstrated a phase change temperature of (23–24) °C.


Introduction


The significant increase in energy consumption due to population growth and rapid economic growth worldwide over the past few decades is considered a current issue, especially in the building sector [1]. Furthermore, the pursuit of comfort in buildings has led to accelerating building energy consumption [2]. Thus, it is necessary to reduce the environmental load by improving energy efficiency and reducing energy consumption in the building sector. In recent years, many studies on the Thermal Energy Storage (TES) system, one of the most efficient technologies for saving energy resources, have been actively performed for the reduction of energy consumption [3]. TES systems provide superior system performance, energy efficiency, low CO2 emissions, etc. [4], and are classified into thermochemical [5], sensible [6], and latent heat energy storage. As one of the preferred TES methods, Phase change materials (PCMs) are thermal storage materials that use latent heat energy storage (LHES), which is considered to be the most effective and most promising system to store and discharge thermal energy [7]. The LHES of PCM depends on the phase change process storing and releasing thermal energy at a constant temperature [8, 9].

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