گلجام، جلد ۲، شماره ۳، صفحات ۹۱-۱۰۴

عنوان فارسی
چکیده فارسی مقاله
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عنوان انگلیسی Silk Persian Carpet under Loading in Different Environmental Conditions
چکیده انگلیسی مقاله In this research, an apparatus was designed and constructed in order to simulate the storage behavior of hand-woven carpet under different environmental conditions. Silk hand-woven carpet ("Gom") with 115×75 cm dimensions and 102×97 knot per 10 cm was selected and then inserted into the packing simulator with two different laying configurations including flat and folded. The environmental conditions was adjusted at 3 different conditions including 25 ± 5% r.h and 30 ± 2°c (July-Tehran-Dry), 65 ± 5% r.h and 6 ± 2°c (February-Tehran-humid), 40 ± 5% r.h and 19 ± 2°c (October -Tehran-mild). The carpet sample was compressed under constant loads of 135 and 150 kg. The variation of carpet thickness with time in different parts of carpet was continuously measured using data acquisition system. The result of experiment shows that the carpet thickness is suddenly decreased at a short period of time and then reached to a stable condition. The variation trend of carpet thickness with time is accordance with a logarithm equation(y=a×Ln(t)-b) which is highly in agreement with Eyring model proposed in creep theory . But at the dry conditions, the variation of carpet thickness at the folded point follow a non-linear power equation (y=a×(t)^b) with a low correlation coefficient. However, the variation of carpet thickness at the non-folded point and flat configuration is very low. Generally, at the humidity condition, maximum carpet thickness variation occurred at folded point with folded configuration. On the other hand, carpet thickness variations at dry condition are less those of at humidity and mild conditions. In addition, carpet thickness at dry condition more quickly reached to stable condition than those of at humidity and mild conditions.
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نویسندگان مقاله سید علی مجابی | s ali mojabi
textiles section, faculty of engineering, science and research branch of tehran, islamic azad university, tehran, iran

سازمان اصلی تایید شده: دانشگاه آزاد اسلامی علوم و تحقیقات (Islamic azad university science and research branch)

سعید شیخ زاده نجار | saeed shaikhzadeh najar
aut, ph.d. unsw


شاهرخ حسینی هاشمی | shahrokh hosseini hashemi
dept. of mechanical engineering iran university of science and technology

سازمان اصلی تایید شده: دانشگاه علم و صنعت ایران (Iran university of science and technology)

a رشیدی | a rashidi
textiles section, faculty of engineering, science and research branch of tehran, islamic azad university, tehran, iran

سازمان اصلی تایید شده: دانشگاه آزاد اسلامی علوم و تحقیقات (Islamic azad university science and research branch)

سید جواد بصام | s j bassam
institute of technical and vocational higher education, ministry of jahad agriculture, tehran,iran



نشانی اینترنتی http://goljaam.icsa.ir/browse.php?a_code=A-10-61-3&slc_lang=fa&sid=fa
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/1535/article-1535-573921.pdf
کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده رنگرزی و مواد اولیه
نوع مقاله منتشر شده علمی - پژوهشی
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