Ship Design and Construction, Volume II
Dedicated to the design of individual ship types, this volume provides historical development and and general arrangement plans of tankers, bulk carriers, fishing vessels, dredgers, and more.
TABLE OF CONTENTS Ship Design and Construction, Volume II
Chapter 41: Fishing Vessels
Jakob Pinkster
41.1 NOMENCLATURE
| a.c. | Alternating electrical current | |
| B | Beam | |
| Bp | Taylor propeller coefficient | |
| D | Propeller diameter (m) | |
| d.c. | Direct electrical current | |
| E | Static head due to immersion at the propeller shaft (N/m 2) | |
| Fn | Froude number | |
| FRP | Fiber reinforced plastic | |
| G | Gravitational acceleration | |
| GM t | Transverse metacentric height (m) | |
| GM L | Longitudinal metacentric height (m) | |
| GRT | Gross registered tonnage | |
| GZ | Static stability righting arm (m) | |
| h | Head above propeller axis (m) | |
| IMO | International Maritime Organization | |
| km | Kilometer | |
| kW | Kilowatt | |
| LWL | Length on design load waterline (m) | |
| LBP | Length between perpendiculars (m) | |
| LCB | Longitudinal center of buoyancy (m) | |
| m | meter | |
| N | Propeller revolutions per minute | |
| N ? | 0.98 N rpm corrected for wake fraction | |
| NT | Net tonnage | |
| p | Atmospheric pressure (N/m 2) | |
| P | Propeller pitch (m) | |
| P D | Delivered horsepower (hp) (= kW/0.746) | |
| P/D | Propeller pitch ratio | |
| RPM | Revolutions per minute | |
| rps | Revolutions per second | |
| T | Draft (m) | |
| THP | Thrust horsepower (hp) | |
| 0.8R ? | Velocity pressure head at 0.8 radius N/m 2 | |
| V A | Speed of advance of propeller (m/s), wake speed | |
| V K | Speed of ship (knots) | |
| ? e | Angle of entrance of the Lwl (degrees) | |
| ? | N'D/V A Taylor advance coefficient | |
| ? 0 | Propeller open efficiency | |
| ? R | Relative rotative efficiency |
41.2 DESCRIPTION...
Copyright The Society of Naval Architects and Marine Engineers 2004 under license agreement with Books24x7
