مهندسی مکانیک مدرس

مهندسی مکانیک مدرس

مطالعه تجربی، عددی و بهینه‌سازی مخازن کامپوزیتی با آستری غیرفلزی (CNG نوع چهارم)

نوع مقاله : پژوهشی اصیل

نویسندگان
گروه مهندسی مکانیک، دانشکده مهندسی برق، کامپیوتر و مکانیک، دانشگاه ایوان‌کی، ایوان‌کی، ایران
چکیده
طراحی و ایمنی مخازن گاز طبیعی با توجه به کاربرد روزافزون آنها در خودروها اهمیت بسیار بالایی دارد؛ بنابراین در این مقاله به بررسی تجربی، عددی و بهینه‌سازی این مخازن پرداخته شده است. در بخش تجربی به طراحی و ساخت دو مخزن فلزی و کامپوزیتی اقدام شده است که مورد آزمایش فشار داخلی قرار گرفته و میزان تحمل آنها مشخص شده است. در بخش عددی به کمک نرم‌افزار آباکوس ۶.۱۴، مدل‌سازی این مخازن انجام شده است. ضمن صحت‌سنجی نتایج حاصل با داده‌های آزمایش‌های تجربی، به توسعه شبیه‌سازی عددی نیز پرداخته شده است. با استفاده از نتایج حاصل از توسعه شبیه‌سازی عددی و نرم‌افزار طراح آزمایش به بهینه‌سازی پارامترها و بررسی ارتباط بین آنها و میزان تحمل فشار در این مخازن پرداخته شده است. نتایج عددی و تجربی مطابقت بسیار خوبی دارند. مخازن کامپوزیتی ضمن سبک‌بودن، مقاومت بیشتری در مقابل فشارهای داخلی دارند که در این پژوهش به کاهش حدود ۳۰درصدی وزن مخازن کامپوزیتی و کاهش ۲۰درصدی تغییر شکل، تحت فشار کاری دست یافته شد.
کلیدواژه‌ها

موضوعات


عنوان مقاله English

Experimental, numerical and Optimization study of Composite Tanks with Non-Metallic Primer (CNG Fourth Type)

نویسندگان English

S.M. Seyedi
A. Naddaf Oskouei
M. Sayah Badkhor
Mechanical Engineering Department, Electrical, Computer & Mechanical Engineering Faculty, University of Eyvanekey, Eyvanekey, Iran
چکیده English

Design and safety of natural gas tanks Due to its high use in cars, it is of great importance. Therefore, in this paper, the empirical, numerical and optimization of these reservoirs is investigated. Experimental section designed and manufactured two metal and composite tanks that have been tested for internal pressure and their strength has been determined. Modeling of these tanks has been done in the numerical section with the help of Abaqus software 6.14. In addition to validating the results with experimental data, numerical simulation has been developed. Using the results of the development of numerical simulation and experimental design software, optimization of parameters and their relationship with pressure tolerance in these tanks have been investigated. The numerical and experimental results are in good agreement. Lightweight composite tanks are more resistant to internal pressures, which resulted in a 30% reduction in the weight of composite tanks and a 20% reduction in deformation under operating pressure.

کلیدواژه‌ها English

Optimization
Tanks
Composite
ABAQUS
Natural gas
CNG
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