Essays about: "Ships"

Showing result 16 - 20 of 234 essays containing the word Ships.

  1. 16. INVESTIGATING THE TOXIC AND ACIDIFYING EFFECT OF SCRUBBER EFFLUENT ON STRONGYLOCENTROTUS DROEBACHIENSIS LARVAE

    University essay from Göteborgs universitet / Instiutionen för biologi och miljövetenskap

    Author : Ida Vartia; [2022-09-28]
    Keywords : ;

    Abstract : To meet the new environmental requirements of reduced sulfur emissions from ships, many shipowners have installed an open-loop scrubber to clean the exhaust. In this scrubbing process, seawater is pumped from the ocean and combined with the emission gas, creating an acidic and toxic effluent that is directly discharged into the ocean, potentially damaging the marine environment. READ MORE

  3. 17. Modeling for survey priority and extended CATZOC classifications of Swedish territorial waters in the Baltic Sea

    University essay from Göteborgs universitet/Institutionen för geovetenskaper

    Author : Tilda Karström Hettman; [2022-09-01]
    Keywords : ;

    Abstract : Hydrographic measurements and producing of sea charts are a vital part of safe navigations for vessels and ships. A request by the SMA in Norrkoping was made to extend CATZOC classifications in Swedish territorial waters by creating a model which could predict how fast the bathymetry would change at different locations. READ MORE

  4. 18. Cybersecurity of Maritime Communication Systems : Spoofing attacks against AIS and DSC

    University essay from Linköpings universitet/Databas och informationsteknik

    Author : Joakim Forsberg; [2022]
    Keywords : Cybersecurity; AIS; DSC; Spoofing; Software Defined Radios;

    Abstract : For a long time, ships have relied on navigators that could figure out their course andlocation based on seeing objects around them. However, this approach is limited to thenavigators’ ability, and with the increasing number of ships, this job becomes harder andharder. READ MORE

  5. 19. Study of stability improvement measures meeting the effects of new use of a secondhand cement carrier vessel

    University essay from KTH/Lättkonstruktioner, marina system, flyg- och rymdteknik, rörelsemekanik

    Author : Jansen Novri; [2022]
    Keywords : ship modification; cargo type; stability code; center of gravity; center of buoyancy; fartygsmodifiering; lasttyp; stabilitetskod; tyngdpunkt; flytkraftscentrum;

    Abstract : Secondhand ship is an option to improve marine business competitiveness. It provides a way for ship owners to integrate customer market rapidly without spending many resources on producing new ships. However, secondhand ships that perfectly suit owner's requirements becomes unavoidable challenge. READ MORE

  6. 20. Real-time Optimal Braking for Marine Vessels with Rotating Thrusters

    University essay from KTH/Matematik (Avd.)

    Author : Sigurlaug Rún Jónsdóttir; [2022]
    Keywords : Nonlinear optimization; nonlinear optimal control; numerical optimal control; real-time solution; optimal braking; receding horizon; modeling; ship model; propeller forces; rudder forces; direct multiple shooting method; discretization;

    Abstract : Collision avoidance is an essential component of autonomous shipping. As ships begin to advance towards autonomy, developing an advisory system is one of the first steps. An advisory system with a strong collision avoidance component can help the crew act more quickly and accurately in dangerous situations. READ MORE