کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
7216517 1470203 2016 14 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Investigation on the Reduction of Center of Mass Oscillations of Flexible Flapping Fins
ترجمه فارسی عنوان
بررسی کاهش مرکز نوسانات جرمی فیدهای انعطاف پذیر
کلمات کلیدی
فلاش پین، تعامل مایع ساختار بهینه سازی، همبستگی تصویر دیجیتال،
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی پزشکی
چکیده انگلیسی
Nature has been a source of inspiration for developing advanced autonomous aerial and underwater vehicles. The bodies with flapping appendages produce Center of Mass (COM) oscillations as the flapping fins generate forces oscillatory in nature. The vehicles with larger COM oscillations pose the problems of control and maneuverability and this paper discusses the effect of flexibility and other operating parameters such as heaving, pitching amplitudes and operating frequency on COM oscillations. A detailed theoretical investigation has been carried out to predict the optimal operating parameters along with the fin stiffness to reduce the COM oscillations for a given Self-Propelled Speed (SPS). Experiments have been performed to validate the theoretical results. It has been observed that the flexible fins operating at larger frequencies produce lower COM oscillations compared to stiffer fins operating at lower frequencies for a given mean thrust/SPS, and that the trailing edge amplitude along with the deformation pattern play a role in the generation of COM oscillations.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Bionic Engineering - Volume 13, Issue 4, October 2016, Pages 544-557
نویسندگان
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