Research Bulletin

1. Introducing the principle of "zero discharge" in offshore development
2. Operation assessment of filtering equipment for sea pollution prevention
3. Prevention of marine ecosystem pollution with ship ballast water: problems and solutions
4. Ship energy audit as a method of continuous energy result improvement in the energy management system
5. Development issues concerning requirements contained in normative documents
6. Design of the ship taking into account destruction processes and regeneration
7. Conceptual design development of a restricted-draft oil tanker with a power saving cavity for year-round oil export from the Baltic ports
8. Operational risks of non-ice-resistant platforms in waters with unstable ice environment
9. Reliability assessment of residual thickness measurement data during fault detection in hull structures
10. Fatigue requirement development for hull structures
11. Concept of onboard software on dynamic stability estimate of damaged marine vehicle
12. Comparison of different methods to estimate the fracture toughness of metal of welded structure operated in Arctic conditions
13. Assessment of ship propulsion effectiveness changes when changing the diameter propeller
14. Conceptual experience of designing sea-going ships with alternative propulsion plant, equipped with a dual-mode counter-propeller
15. The role of light climate in solving maritime safety problems