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طراحی و شبیه سازی بازیابی حرارت اتلافی اگزوز موتور ایزوتای شناورGM برای تولید توان الکتریکی در محرک های انعطاف پذیر گرمایی | ||
| دوفصلنامه مهندسی شناورهای تندرو | ||
| مقاله 2، دوره 19، شماره 57، بهمن 1399، صفحه 12-25 اصل مقاله (798.29 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| نویسندگان | ||
| شهروز عباسی نژاد1؛ سیروس آقانجفی2؛ آرمان معروفی* 3؛ قاسم اکبری3 | ||
| 1دانشجوی دکتری مهندسی مکانیک، دانشگاه آزاد اسلامی، واحد قزوین، قزوین، ایران | ||
| 2استاد، دانشکده مهندسی مکانیک، دانشگاه خواجه نصیرالدین طوسی، تهران، ایران | ||
| 3استادیار، گروه مهندسی مکانیک، دانشگاه آزاد اسلامی، واحد قزوین، قزوین، ایران | ||
| تاریخ دریافت: 06 آبان 1399، تاریخ بازنگری: 26 بهمن 1399، تاریخ پذیرش: 12 اسفند 1399 | ||
| چکیده | ||
| در این مقاله، یک روش جدید برای بازیابی حرارت اتلافی اگزوز موتور ایزوتا شناورGM و تبدیل آن به الکتریسیته با استفاده از یک محرک انعطاف پذیر گرمایی ارائه خواهد شد. محرک انعطاف پذیر مورد نظر از 3 بازوی موازی شامل بازوهای گرم و سرد برای کنترل دما و تولید توان الکتریکی استفاده می کند. همچنین برای کنترل حرارت های اتلاقی از 3 عدد dimpel در کوتاه ترین بازو برای پایداری حرارتی استفاده شده است. به عبارت دیگر، هدف از مقاله حاضر توسعه‌ی یک روش انتقال حرارت غیر فعال (یا پسیو) و یک سیستم مولّد گرما به کار به منظور بازیابی حرارت اتلافی جهت تولید توان الکتریکی می باشد. طرح پیشنهادی دارای اندازه 40µm × 250µm بوده و در نرم افزار کامسول 2018 پیاده سازی و شبیه سازی شده است. نتایج شبیه سازی برای طرح پیشنهادی با ولتاژ 5 ولت و بیشینه دمای 550 کلوین در مقایسه با کارهای مشابه FOM قابل قبولی از خود ارائه میدهد و نسبت به بهترین طرح مقدار 3/2 برابر و نسبت به بدترین طرح مقدار 2700 برابر بهبود نشان می دهد. | ||
| کلیدواژه‌ها | ||
| غیر فعال؛ تولید توان؛ بازیابی حرارتی و بازوهای انعطاف پذیر | ||
| عنوان مقاله [English] | ||
| Design and simulation of heat dissipation exhaust of GM Isotta floating engine for generating electrical power in flexible thermal actuators | ||
| نویسندگان [English] | ||
| shahrooz abbasi nezhad1؛ Sirus Agha najafi2؛ Arman Maroufi3؛ Ghasem Akbari3 | ||
| 1Phd Student inmechanical engineering, Islamic Azad University, Qazvin Unit, Qazvin, Iran | ||
| 2Professor of The Faculty of Mechanical Engineering, Khajeh Nasir al-din Tusi University, Tehran, Iran | ||
| 3Assistant Professor, Mechanical Engineering Group, Islamic Azad University, Qazvin Unit, Qazvin, Iran | ||
| چکیده [English] | ||
| In this paper, a new method was presented for recovering dissipated heat in the exhaust of GM Isota floating engine and converting it to electricity using a flexible thermal anchor. The flexure uses three parallel arms including the hot and cold arms to control temperature and generate electrical power. Also, three dimples were used in the shortest arm for thermal stability in order to control the core temperatures. In other words, the purpose of the present paper was developing a passive heat transfer method and a heat generating system was employed for recovering dissipated heat to generate electrical power. Size of proposed design was equal to 40µm × 250µm, and it was implemented and simulated in COMSOL software 2018. Simulation results for proposed design with the voltage of 5V and maximum temperature of 550K presented acceptable FOM compared to similar work such that it showed the value of 2.3 times relative to the best design ,and it was 2700 times better compared to the worst design. | ||
| کلیدواژه‌ها [English] | ||
| Passive, Power generation, Heat recovery, Flexible anchors | ||
| مراجع | ||
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