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دوره 12، شماره 24 - ( 10-1395 )
جلد 12 شماره 24 صفحات 101-89 |
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honaryar A, Mousavizadegan S H. Investigation on the Effect of Tail Form on Autonomous Underwater Vehicle (AUV) Maneuverability. Marine Engineering 2017; 12 (24) :89-101
URL: http://marine-eng.ir/article-1-528-fa.html
URL: http://marine-eng.ir/article-1-528-fa.html
هنریار امیر، غیاثی محمود، موسوی زادگان سید حسین. بررسی تاثیر فرم هندسی دُم بر مانورپذیری شناور زیرسطحی هوشمند. مهندسی دریا. 1395; 12 (24) :89-101
1- دانشگاه صنعتی امیرکبیر
چکیده: (6742 مشاهده)
در این مقاله به بررسی اثر فرم هندسی دُم بر روی مانورپذیری شناور زیرسطحی هوشمند پرداخته شده است. ابتدا فرم هندسی دم به کمک تابع ریاضی وابسته به دو پارامتر طول دم و زاویه مخروطی آن تعریف شده و آنگاه به بررسی تاثیر این دو پارامتر ابتدا بر روی ضرایب هیدرودینامیکی شناور و سپس مانورپذیری آن پرداخته شده است. برای محاسبه ضرایب هیدرودینامیکی بازدارنده از شبیه سازی عددی دو تست کشش مورب و بازوی چرخان در دینامیک سیالات محاسباتی به کمک حلگر سی اف ایکس و برای محاسبه ضرایب هیدرودینامیکی جرم اضافی از روش تئوری نواری استفاده شده است. استفاده ترکیبی از این دو روش برای محاسبه ضرایب هیدرودینامیکی با توجه به ماهیت متفاوت ضرایب، موجب افزایش سرعت و دقت محاسبات شده است. نتایج نشان می دهد که با افزایش طول دم، ضرایب هیدرودینامیکی بازدارنده و جرم¬اضافی، کاهش و شعاع دایره چرخش و مانورپذیری به ترتیب کاهش و افزایش می یابد و معکوس این نتایج برای زاویه مخروطی دم شناور به دست آمده است.
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