نشریه مهندسی مکانیک ایران

نشریه مهندسی مکانیک ایران

بیشینه سازی راندمان آیرودینامیکی نسبت به دامنه امواج دریا با استفاده از تلفیق نتایج عددی و شبکه عصبی

نوع مقاله : مقاله علمی پژوهشی

نویسندگان
1 دانشجوی دکتری، دانشکده فنی و مهندسی، گروه مهندسی هوافضا، واحد علوم و تحقیقات، دانشگاه آزاد اسلامی، تهران، ایران
2 دانشیار، دانشکده فنی مهندسی، گروه مهندسی هوافضا، دانشگاه آزاد واحد علوم و تحقیقات، تهران
3 استادیار، دانشکده فنی و مهندسی، گروه مهندسی هوافضا، واحد علوم و تحقیقات، دانشگاه آزاد اسلامی، تهران، ایران
چکیده
هدف از این مقاله با توجه به گسترش روز افزون استفاده از هواپیماهای اثرسطحی و پرواز این نوع وسیله بر روی آب ‌های آزاد به واسطه استفاده از پدیده اثر سطح، بررسی تاثیر امواج دریا بر روی ضرایب آیرودینامیک هواپیما به منظور بیشینه سازی راندمان آیرودینامیکی می باشد. جهت انجام این کار، شبیه سازی سه بعدی هواپیمای کامل در شرایط پروازی عبور از امواج دریا توسط دینامیک سیالات محاسباتی انجام گرفت و بر اساس نتایج حاصل از آن مدلسازی شبکه عصبی برای ماکزیمم راندمان آیرودینامیکی نسبت به دامنه امواج دریا صورت پذیرفته است. تلفیق دینامیک سیالات محاسباتی و شبکه عصبی نشان می دهد که هواپیما جهت پرواز در مجاورت سطح دریا با دامنه امواج مختلف بایستی در سرعت خاصی پرواز کرده تا به ماکزیمم راندمان آیرودینامیکی برسد. این نتایج می تواند به عنوان یکی از ورودی های سیستم کنترلی جهت استفاده در خلبان خودکار هواپیما مورد استفاده قرار گیرد.
کلیدواژه‌ها

موضوعات


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  • تاریخ دریافت 02 شهریور 1402
  • تاریخ بازنگری 15 آذر 1402
  • تاریخ پذیرش 27 آذر 1402