june, 2013 sultanah ii sultan qaboos university muscat, sultanate of oman
TRANSCRIPT
June, 2013
Sultanah IISultan Qaboos University
Muscat, Sultanate of Oman
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 MamariSupervisors•Dr. Jamil Abdo•Dr. Nasser Al Azri
NamingNamed after the first Omani ship Sultanah that visited the United States in 1840 during the reign of Sayyid Said bin Sultan.
Sultana I
11 Participated in ISRProblems•Weight: 250 Ib•Steering: high friction •Shape•Gearbox: high Gear Ratio
Hull
Consists of three
layers:1. Fiber glass
2. Carbon fiber
3. Plastic fiber resin
Hull weight: 60 Ib
Hull
Seat
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
Propulsion System (Cont’d)Gearbox
Option IIOption I
• 1:4.5 gear ratio• Using Chain.
• 1:3 gear ratio• Direct connection
Propulsion System (Cont’d)
PropellerSoftware used: Java Prop
Propulsion System (Cont’d)
Propeller manufacturing• 4 axis CNC machine
Shaft designAutodesk Inventor SoftwareDiameter: 25 mmApplied Torque: 30 N.mSafety Factor: 7
Propulsion System (Cont’d)
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 Omantechnical collage- depth: 4 m- length: 25 m
QUESTIONS ?
IntroductionTwo teams worked on Sultana II1st team (6 Students)• Hull design• General setup
2nd team (7 Students)Detailed design• Assembly• Testing• Participating on International Submarine Race, June
2013