نشریه مهندسی مکانیک امیرکبیر

نشریه مهندسی مکانیک امیرکبیر

بهینه‌سازی عددی نسبت فاصله در پروانه حلقه‌بسته دریایی با استفاده از CFD و الگوریتم ژنتیک و مقایسه با پروانه مرجع KP505

نوع مقاله : مقاله پژوهشی

نویسندگان
گروه پژوهشی انرژی‌های دریاپایه، دانشگاه صنعتی نوشیروانی بابل، بابل، ایران،
چکیده
در این پژوهش اثر تغییر در نسبت فاصله بر عملکرد یک پروانه حلقه بسته به صورت عددی بررسی و نسبت فاصله‌ی بهینه طی یک فرایند بهینه‌سازی تعیین شد. شبیه‌سازی‌های عددی در محیط نرم‌افزار +STAR-CCM و بهینه‌سازی نیز با الگوریتم ژنتیک انجام شد. پروانه‌های حلقه‌بسته با روشی نوآورانه، برپایه‌ی پروانه‌ی KP505 تولید شدند. شبیه‌سازی‌های عددی در 6 نسبت فاصله‌ انجام شد. به‌منظور ارزیابی نتایج و بهینه‌سازی، ضرایب تراست، گشتاور و بازدهی به‌عنوان توابع هدف درنظر گرفته شدند. نتایج نشان داد ضریب تراست با افزایش نسبت فاصله، در ضرایب پیشروی پایین رفتاری نزولی، در ضرایب پیشروی میانی رفتاری غیر خطی و در ضرایب پیشروی بالا رفتاری صعودی داشت. بررسی مقایسه‌ای نشان داد، ضریب تراست پروانه‌ی حلقه‌بسته، پیش از بهینه‌سازی و در بهترین حالت، در ضریب پیشروی 0/8، 15 درصد نسبت به پروانه‌ی KP505 بیشتر بود. نسبت فاصله بهینه پس بهینه‌سازی معادل 0/2641 به‌دست آمد که بازدهی بیشینه‌ی پروانه حلقه بسته در این نسبت فاصله‌ی برابر با %45/35 بود. مقایسه عملکرد پروانه حلقه بسته بهینه با پروانه KP505 نشان داد، پروانه حلقه‌بسته‌ی بهینه قابلیت افزایش تراست تا 26 درصد (ضریب پیشروی 0/8) نسبت به پروانه KP505 دارد و بازدهی آن نیز در ضریب پیشروی1/0 به میزان 7/84 درصد افزایش می‌یابد. تحلیل جریان نیز نشان داد افزایش سرعت پشت پروانه و بهبود الگوی فشار در پروانه حلقه‌بسته بهینه، افزایش تراست و کاهش احتمال کاویتاسیون را نشان می‌دهد.
کلیدواژه‌ها
موضوعات

عنوان مقاله English

Numerical Optimization of the Spacing Ratio in a Marine Toroidal Propeller Using CFD and Genetic Algorithm with Comparison to the KP505 Reference Propeller

نویسندگان English

MohammadHasan Ahmadi
Rouzbeh Shafaghat
Mohsen Zamani
Behrad Alizadeh Kharkeshi
Sea-Based Energy research group, Babol Noshirvani University of Technology
چکیده English

Numerical simulations were performed using STAR-CCM+ software, and optimization was carried out with a genetic algorithm. The ducted propellers were innovatively designed based on the KP505 propeller. Simulations were conducted at six pitch ratios. To evaluate the results and perform optimization, thrust, torque, and efficiency coefficients were considered as objective functions. The results showed that the thrust coefficient exhibited a decreasing trend at low advance ratios, a non-linear behavior at medium advance ratios, and an increasing trend at high advance ratios as the pitch ratio increased. A comparative analysis revealed that before optimization, the ducted propeller's thrust coefficient was at best 15% higher than that of the KP505 propeller at an advance ratio of 0.8. The optimal pitch ratio obtained after optimization was 0.2641, corresponding to a maximum efficiency of 45.35% for the ducted propeller. Performance comparison between the optimized ducted propeller and the KP505 propeller showed that the optimized ducted propeller could increase thrust by up to 26% (at an advance ratio of 0.8) and improve efficiency by 7.84% at an advance ratio of 1.0. Flow analysis also indicated that increased velocity behind the propeller and an improved pressure pattern in the optimized ducted propeller contribute to higher thrust and reduced cavitation risk.

کلیدواژه‌ها English

Numerical Study
Toroidal Propeller
Spacing Ratio
Optimization
KP505 Propeller
[1] M. Beykani, R. Shafaghat, a. Yousefi, M. Yousefifard, Experimental study of scale effect and immersion ratio on the performance characteristics of a surface piercing propeller, Marine Engineering, 18(35) (2022) 129-140.
[2] M. Barzegar Rahimi, Barzegar Rahimi, Y., and Salari, M., "Investigation of the effect of creating a vertical groove on the blade surface of a surface-piercing propeller," Amirkabir Journal of Mechanical Engineering, vol. 56, pp. 765-790, 2024. (In Persian).
[3] M.N. H. Sirousi, Numerical study and hydrodynamic analysis of Sharrow propeller, Journal of Marine Engineering, 20(44) (2024) (in Persin).
[4] H. Jansen, Impact of toroidal propeller design on unmanned aerial vehicle acoustic signature and aerodynamic performance, Int. J. Aerosp. Eng.(IJASE), 2 (2024) 1-11.
[5] I. Gabriel, I. Simion, Performance of 3D printed conventional and toroidal propeller for small multirotor drones, Journal of Industrial Design and Engineering Graphics, 18(1) (2023) 27-32.
[6] M. Chirita, A. Ieta, Toroidal counter electrode for ionic propulsion, Scientific Reports, 12(1) (2022) 19002.
[7] А.В. Месропян, Ю.А. Шабельник, О способах повышения эффективности водоходных движителей, Вестник Дагестанского государственного технического университета. Технические науки, 48(3) (2021) 39-51.
[8] Y. Liyu, W. Chao, S. Cong, G. Chunyu, Mathematical expression method for geometric shape of toroidal propeller, Chinese Journal of Ship Research, 19(3) (2024) 224-233.
[9] A. Attar, S.M. Deshmukh, A. Shinde, Advancements in Marine Propulsion: Design, Development, and Testing of a Bionic-Toroidal Propeller.
[10] А.В. Месропян, Ю.А. Шабельник, К вопросу об эффективности рабочего процесса петлевидных гребных винтов, Омский научный вестник. Серия «Авиационно-ракетное и энергетическое машиностроение», 7(2) (2023) 15-21.
[11] E.M.K. E.V. Georgiev, E.N. Tanase, INVESTIGATING THE APPLICATION OF A TOROIDAL PROPELLER IN VESSELS THROUGH FLUID DYNAMICS SIMULATION, PROCEEDINGS OF UNIVERSITY OF RUSE, 62 (2023).
[12] C. Wang, S. Liu, K. Xia, C. Wang, L. Ye, Numerical research on hydrodynamic performance of toroidal propeller under the influence of geometric parameters, Ocean Engineering, 314 (2024) 119704.
[13] Z. Tang, W. He, Z. Li, Research on the Open-Water Performance and Tip-Vortex of Toroidal Propeller, in:  ISOPE International Ocean and Polar Engineering Conference, ISOPE, 2024, pp. ISOPE-I-24-582.
[14] H. Sirousi, M. Negahdari, Numerical study and hydrodynamic analysis of Sharrow propeller, Journal Of Marine Engineering, 20(44) (2024) 24-39.
[15] H.M. C. Grover, J. Lewis, J. Lin, S. Lupica-Tondo, ENHANCING MARINE PROPULSION EFFICIENCY: DESIGN, SIMULATION, AND TESTING OF A HIGH-EFFICIENCY TOROIDAL PROPELLER FOR SOLAR SPLASH COMPETITION, Advanced Mechanical Design, University of Rochester,  (2024).
[16] P. Xu, Y. Guo, L. Ye, K. Song, Hydrodynamic Performance of Toroidal Propeller Based on Detached Eddy Simulation Method, Journal of Marine Science and Engineering, 12(12) (2024) 2132.
[17] J. Wu, Q. Wang, H. Deasy, J. Hang, A Study on the Effect of Toroidal Propeller Parameters on Efficiency and Thrust, Energies, 17(23) (2024) 5938.
[18] A. Nadery, H. Bahrami, A. Najafi, H. Ghassemi, M. Aminzadeh, G. He, Numerical investigation of toroidal propeller: hydrodynamic and hydroacoustic study, Ships and Offshore Structures,  (2025) 1-16.
[19] J. Masud, J. Rafique, A. Kazmi, M.M. Safdar, A Study on Converting a Conventional Marine Propellor to Its Toroidal Equivalent and Evaluating Its Performance, in:  AIAA SCITECH 2025 Forum, 2025, pp. 1885.
[20] J. Bai, Y. Li, X. Liu, H. Zhang, L. Ren, Hydrodynamic Performance and Vortex Structure Analysis of a Toroidal Propeller, Journal of Marine Science and Engineering, 13(6) (2025) 1046.
[21] L.S. L. Peng, Design of a new parametric method for low-noise toroidal propeller and its hydrodynamic noise study, Chinese Journal of Ship Research, 21 (2025).
[22] A. Lungu, Numerical simulation of the cavitating KP505 propeller working in open water conditions, in:  IOP Conference Series: Materials Science and Engineering, IOP Publishing, 2018, pp. 042035.
[23] H. Haimov, J. Vicario, J. Del Corral, RANSE code application for ducted and endplate propellers in open water, in:  Proceedings of the Second International Symposium on Marine Propulsors, 2011, pp. 1-9.
[24] M. Zamani, R. Shafaghat, B. Alizadeh Kharkeshi, Numerical study of the hydrodynamic behavior of an archimedes screw turbine by experimental data in order to optimize turbine performance: The genetic algorithm, Journal of Applied and Computational Mechanics, 9(4) (2023) 1060-1075.
[25] S.H. Rhee, S. Joshi, CFD validation for a marine propeller using an unstructured mesh based RANS method, in:  Fluids Engineering Division Summer Meeting, 2003, pp. 1157-1163.
[26] A. Lungu, Energy-saving devices in ship propulsion: effects of nozzles placed in front of propellers, Journal of Marine Science and Engineering, 9(2) (2021) 125.
[27] R. Farhangi, R. Shafaghat, M. Zamani, B. Alizadeh Kharkeshi, Experimental Investigation of the Effects of Distance Ratio and Diameter Ratio on the Hydrodynamic Coefficients of the Tandem Canard Configuration of the KP505 Propeller, International Journal of Engineering, 39(9) (2026) 2309-2325.
[28] M. Zamani, R. Shafaghat, B. Alizadeh Kharkeshi, Enhancing Performance Evaluation of Archimedes Screw Turbines under Optimal Conditions: A Focus on Flow Rate Analysis, Empirical Equations, and Comparative Scaling Methods, Iranica Journal of Energy & Environment, 15(2) (2024) 123-134.
[29] B.A. Kharkeshi, R. Shafaghat, O. Jahanian, R. Alamian, K. Rezanejad, Experimental study of an oscillating water column converter to optimize nonlinear PTO using genetic algorithm, Energy, 260 (2022) 124925.
[30] J. FUJISAWA, Y. UKON, K. KUME, Local velocity field measurements around the KCS model (SRI MS No. 631) in the SRI 400 m towing tank: ship performance division report: 00-003-02, Sl]: Ship Research Institute, 2000.