Transcript Intodction
Sultanah II Sultan Qaboos University Muscat, Sultanate of Oman June, 2013 Outline • Introduction - Team List • Hull • Steering System • Propulsion System - Gearbox - Propeller - Shaft • Monitoring System • Testing The Team Members • • • • • • • Eyad Al Belushi Hamza Al Mahruqi Mohammed Al Mahrouqi Nawaf Al Belushi Rashid Al Shabibi Said Al Jabri Salim Al Mamari Supervisors • Dr. Jamil Abdo • Dr. Nasser Al Azri Naming Named after the first Omani ship Sultanah that visited the United States in 1840 during the reign of Sayyid Said bin Sultan. Sultana I Participated in ISR 11 Problems • Weight: 250 Ib • Steering: high friction • Shape • Gearbox: high Gear Ratio Hull Hull Consists of three layers: 1. Fiber glass 2. Carbon fiber 3. Plastic fiber resin Hull weight: 60 Ib Seat Steering System Aim Design and build an effective control system to direct the submarine in two directions: • Up/down, pitch angle • Right/left, yaw angle Design Constrains • Easily operated • Light weight • Low friction Steering System (Cont’d) Final Design • • • • Fully mechanical steering system Two Push/Pull cables Two control joysticks Two levers fixed with the fins Propulsion System Pedals Propeller Propulsion System Shaft Gearbox Propulsion System (Cont’d) Gearbox Option I • 1:4.5 gear ratio • Using Chain. Option II • 1:3 gear ratio • Direct connection Propulsion System (Cont’d) Propeller Software used: Java Prop Propulsion System (Cont’d) Propeller manufacturing • 4 axis CNC machine Propulsion System (Cont’d) Shaft design Autodesk Inventor Software Diameter: 25 mm Applied Torque: 30 N.m Safety Factor: 7 Monitoring System Mathematical Analysis Monitoring System (Cont’d) Circuit Monitoring System (Cont’d) Sensors positions Monitoring System (Cont’d) Challenges • Finding waterproof sensors • Casing the circuit and its connections • Visibility of LCD screen underwater Testing • Open water diving license • Swimming pool SQU sports hall - depth: 2 m - length: 50 m Royal Gurd Oman technical collage - depth: 4 m - length: 25 m Introduction Two teams worked on Sultana II 1st team (6 Students) • • Hull design General setup 2nd team (7 Students) Detailed design • Assembly • Testing • Participating on International Submarine Race, June 2013