| Symbol | KA |
|---|---|
| Unit | - |
| Attribute-ID | dnv2003 application factor K_A |
| Numeric ID | 1233 |
| Value Type | PMDouble |
Here, the calculation is always performed according to Det Norske Veritas (DNV) 2012. The only difference between DNV 2003 and 2012 is the correction of the calculation of the helix angle factor Zβ (also see DNV 'Classification Notes - No. 41.2, May 2012' page 3 'Changes').
All input attributes identified with "DNV 2003" remain valid.
The application factor KA takes into account dynamic overloads which are introduced into the gearbox from outside. A distinction is made between constantly repeating overloads (taken into account by KA) and occasionally occurring overloads (taken into account by the peak overload factor KAP).
Source: Det Norske Veritas (DNV): Calculation of Gear Rating for Marine Transmissions, Classification Notes 41.2 - 2003/2012 edition