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Static Analysis of 4-Blade Marine Propeller



Ships and underwater vehicles like submarine and torpedoes use propeller for propulsion. In general, propellers are used as propulsions and they are also used to progress significant plunge to propel the vehicle at its operational speed and RPM. Much has been said and published on the development of the marine propeller from the time of antiquity to the present age, but there is more to be done. This paper describes the design procedure of four bladed marine propellers with specific interest on engines with 85 Bhp and ship moving at a speed of 30 knots. Static analysis was carried out on aluminum, composite propeller which is a combination of R Glass, S2 glass and CFRP (Carbon Fiber Reinforced Plastics) materials. Here different sections are considered to create single blade using HYDRO PROCAD and using section coordinate data 3D 4 blade propeller modeled in CATIA V5R20 and analysis are performed using FLUENT and ANSYS software. Material results are compared and the stresses obtained are well within the safe limits of elastic property of the materials. Keywords: R Glass, S2 glass, CFRP, propeller, ANSYS, CFD

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eISSN: 2231-038X