fa بررسی عددی تأثیر دامنه و فرکانس بر نیروی پیشران یک نمونه زیرسطحی با الگوگیری از سفره ماهی طراحي، هیدروديناميك و ساخت زيرسطحي Submarine Hydrodynamic & Design مقاله پژوهشي Research Paper <table align="right" class="MsoTableGrid" dir="rtl" style="width:680px; border-collapse:collapse; border:none" width="680"> <tbody> <tr> <td style="border-bottom:1px solid black; width:463px; padding:6px 0in 6px 0in; border-top:1px solid black; border-right:none; border-left:none" valign="top"><span style="font-size:12pt"><span style="direction:rtl"><span style="unicode-bidi:embed"><span new="" roman="" style="font-family:" times=""><span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">در</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">چند</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">دهه&shy;ی</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">گذشته</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">ایده</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">استفاده</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">از</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">وسایل</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">نقلیه&shy;ی</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">زیر</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">آبی</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">با</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">الهام&shy;گیری</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">از</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">طبیعت،</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">توجه قابل</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">توجهی</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">در</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">این</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">حوز&shy;ه&shy;ها</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">ایجاد</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">نموده</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">است</span></span><span dir="LTR" style="font-size:11.0pt">.</span><span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:"> این جذابیت ها</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">ناشی</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">از</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">مزایای</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">بالقوه&shy;ی</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">شیوه&shy;ی</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">حرکتی</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">آنها نسبت</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">به</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">روش&shy;های</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">مرسوم</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">است</span></span><span dir="LTR" style="font-size:11.0pt">.</span><span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:"> این مزایا شامل</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">افزایش</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">سرعت،</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">بهبود</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">مصرف</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">انرژی،</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">بازده</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">بالای</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">سیستم</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">رانش، افزایش</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">مانورپذیری،</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">پایداری</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">بیشتر،</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">عملکرد</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">هیدرودینامیکی</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">مناسب</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">و</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">بهینه</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">در</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">راستای</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">افزایش</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">بازده</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">وآشفتگی</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">حداقل</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">آب</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">اطراف</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">آن</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">می</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">باشد</span></span><span dir="LTR" style="font-size:11.0pt">.</span><span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:"> امروزه ربات&shy;های زیرسطحی که از سفره&shy;ماهی الگوگیری می&shy;شوند، شهباد نامیده می&shy;شوند که به عنوان ربات&shy;های نظامی برای شناسایی و خنثی کردن مین&shy;های دریایی استفاده می&shy;شوند. استفاده از این ربات&shy;ها صرفه&shy;ی اقتصادی خیلی زیادی نسبت به زیردریایی&shy;ها دارد.</span></span></span></span></span></span><br> <span style="font-size:12pt"><span style="direction:rtl"><span style="unicode-bidi:embed"><span new="" roman="" style="font-family:" times=""><span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">هدف</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">از</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">این</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">تحقیق،</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">ارائه&shy;ی</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">مدلی</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">با</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">الهام</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">از</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">نمونه واقعی</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">یک</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">سفره&shy;ماهی</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">مانتاری</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">و</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">بررسی دینامیکی آن می&shy;باشد. در</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">این</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">تحقیق ابتدا</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">مدلسازی حرکت</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">باله&shy;ی</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">نوسانی</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">سفره&shy;ماهی</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">به</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">کمک روش عددی براساس</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">مدل اولیه</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">و</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">معادلات</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">حرکت استخراجی،</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">بررسی</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">شده</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">است.</span></span> <span lang="AR-SA" style="font-size:11.0pt"><span b="" nazanin="" style="font-family:">پس از آن نمونه&shy;ی آزمایشگاهی ربات ماهی ساخته شده و نتایج شبیه سازی عددی با نتایج تجربی مقایسه شده است. </span></span><span lang="FA" style="font-size:11.0pt"><span style="font-family:"B Nazanin""></span></span></span></span></span></span></td> </tr> </tbody> </table> <table class="MsoTableGrid" style="width:680px; border-collapse:collapse; border:none" width="680"> <tbody> <tr> <td style="border-bottom:none; width:47px; padding:6px 0in 6px 0in; border-top:none; border-right:none; border-left:none" valign="top"><span style="font-size:12pt"><span style="unicode-bidi:embed"><span new="" roman="" style="font-family:" times=""><span style="font-size:10.0pt"></span></span></span></span></td> <td style="border-bottom:1px solid black; width:463px; padding:6px 0in 6px 0in; border-top:1px solid black; border-right:none; border-left:none" valign="top"><span style="font-size:12pt"><span style="text-justify:kashida"><span style="text-kashida:0%"><span style="unicode-bidi:embed"><span new="" roman="" style="font-family:" times=""><span style="font-size:10.0pt">Over the past few decades, the idea of using underwater vehicles with inspiration from nature has created a significant interest in these areas. This interest is due to the potential benefits of swimming as compared to conventional methods</span><span dir="RTL" lang="AR-SA" style="font-size:10.0pt"><span arabic="" style="font-family:" traditional="">.</span></span><span style="font-size:10.0pt"></span></span></span></span></span></span><br> <span style="font-size:12pt"><span style="text-justify:kashida"><span style="text-kashida:0%"><span style="unicode-bidi:embed"><span new="" roman="" style="font-family:" times=""><span style="font-size:10.0pt">Advantages include increased speed, improved energy consumption, high efficiency of the driveline system, increased maneuverability, greater stability, optimized hydrodynamic performance in order to increase the efficiency and dispersion of the surrounding water. Today, subsurface robots modeled from the aquarium are called Shahbad, which are used as military robots to identify and neutralize offshore mines. The use of these robots has a lot of economic savings over submarines</span><span dir="RTL" lang="AR-SA" style="font-size:10.0pt"><span arabic="" style="font-family:" traditional="">.</span></span><span style="font-size:10.0pt"></span></span></span></span></span></span><br> <span style="font-size:12pt"><span style="text-justify:kashida"><span style="text-kashida:0%"><span style="unicode-bidi:embed"><span new="" roman="" style="font-family:" times=""><span style="font-size:10.0pt">The purpose of this research is to first provide a model inspired by the actual sample of a mantle clay and its hydrodynamic survey. In this research, the hydrodynamic dynamics of the fluctuating fin flange with the help of computational fluid dynamics (Anise Fluent, in 3D) based on the initial model and extraction motion equations are investigated. After that, a laboratory robot model is made and the numerical simulation results are compared with experimental results.</span></span></span></span></span></span></td> </tr> </tbody> </table> ,سفره ماهی مانتاری,شبیه‌سازی,ضرایب هیدرودینامیک ,Mantaray flounder,Simulation,Hydrodynamic coefficients 97 112 http://marine-eng.ir/browse.php?a_code=A-10-1206-3&slc_lang=fa&sid=1 Ramin Haji hashemi رامین حاج هاشمی najafii.sharif@yahoo.com 10031947532846005526 10031947532846005526 Yes Imam Hossein University دانشگاه امام حسین (ع) Amin Najafi امین نجفی najafi.sharif@yahoo.com 10031947532846005527 10031947532846005527 No دانشگاه امام حسین (ع) hadi safari هادی صفری 10031947532846005528 10031947532846005528 No دانشگاه صنعتی شریف Mohamadreza Negahdari محمدرضا نگهداری m.r.negahdari@gmail.com 10031947532846005529 10031947532846005529 No Chabahar Maritime University دانشگاه دریانوردی و علوم دریایی چابهار