Fountom Marine Engineering & Design
Propeller Strength Calculation
<p>Propeller strength calculation verifies safety of ship propulsion.</p>
Description
Propeller strength calculation is a must-do process after propeller design to avoid possible blade damage or fractures.
It's complicated calculation methods to consider all propeller parameters, the calculation result gives simple answer of YES/No. Here's the basic required data (sample) for propeller strength calculation.
Data List For Propeller Strength Calculation (sample)
General Particulars
REQUIRED DATA
Specifications
| Name of ship: | New Titanic |
|---|---|
| LOA: | 47.00 m |
| LBP: | 40.50 m |
| BREADTH: | 9.40 m |
| DEPTH: | 4.00 m |
| SUMMER DRAFT: | 2.80 m |
| TYPE: | Double hull, Oil tanker |
| CLASS: | PRS |
| GT: | 532.189 |
| NT: | 457.5 |
| IMO NO.: | 9769582 |
| PROPELLER TYPE: | Fixed pitch propeller |
| MATERIAL OF PROPELLER: | Cu3 Ni-Al Bronze |
| NO. OF PROPELLERS: | 2 |
| NUMBER OF BLADES: | 4 |
| WAKE FRICTION: | 0.243 |
| THRUST DEDUCTION: | 0.171 |
| BREAK POWER: | 565 HP |
| SHAFT EFFIECENCY: | 75% |
| RPM OF PROPELLER: | 408 |
| DRAFT: | 2.8 m |
| SUBMERGE OF PROPELLER: | 1.50 M "Height of Water Above The Upper Tip" |
| BLOCK COFFIECENT: | 0.749 |
| SPECIFIC WEIGHT OF SEA WATER: | 1.025 t/m3 |
| CAVITATION TYPE: | bubble cavitation |
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