- Stern tube bearing damages and trends
- DNV Maritime Advisory - stern tube bearing damage case analysis – some relevant examples
- DNV updated class requirements and recommendations
- Optimize the after stern tube bearing design using the lubrication calculation function in Nauticus Machinery Shaft Alignment
About the speakers:
Wang Qifeng, Principal Project Manager, has been working in DNV since 2009, first as a software developer in Nauticus Machinery package and now taking the role of project manager. He has more than 10 years of work experience in developing and using this product. In addition, he has a strong theoretical knowledge and training experience in the strength design and verification of marine propulsion systems, such as shaft alignment, torsional vibration, shafting fatigue, ice extension strength, gear rating, strength of controllable pitch mechanism and propeller blade, etc.
Alnes Øystein, Principal Engineer, has been working in DNV since 2005. Close to 20 years’ experience working with ship propulsion systems in DNV Classification, Research and Advisory units. Hands on experience from multiple troubleshooting projects solving issues related to shaft alignment issues. Project manager for a recent DNV lead research project on Environmentally Acceptable Lubricants for stern tube applications.