Marine Propulsion Systems: More Than Moving Ships Through the Water

  • Dejar opinión

  • Marine Propulsion Systems: More Than Moving Ships Through the Water

    Precio : Gratis

    Publicado por : dnfsdd89

    Publicado en : 19-10-21

    Ubicación : Albacete

    Visitas : 4



    Marine Propulsion Systems: More Than Moving Ships Through the Water

    Marine Propulsion Systems

    move ships through the water, ensures a better safety standard for the  marine ecosystem

    and are cost-efficient. Worldwide goals have been set for emission reductions for the

    maritime sector.
        "The IMO is targeting a reduction in the carbon intensity of international

    shipping by at least 40% by 2030 compared with 2008 levels, and by 70% by 2050. The IMO

    took this action to support the United Nations Sustainable Development Goal 13, to take

    urgent action to combat climate change and its impacts."
        The most commonly used type of marine engine is the reciprocating diesel engine that

    has a higher efficiency compared to other models. These engines can be classified into

    three types based on their revolutions per minute (rpm).
        The three categories- slow, medium, and high speed have their own benefits based upon

    the type of ship to be powered.
        For instance, large ships require a low speed but high torque propulsion system to

    power them. For such vessels, a low output speed engine can be selected.
        The issue with using slow-speed engines is the large space they take up as compared to

    the other engines. Thus, a space-effective solution would be to install high-speed engines

    in the ship, and then reduce the torque before it reaches the propellers.
        For this, a gearbox is a very useful component that can be used to manipulate

    rotational torque transfer. It is attached to the Marine Propeller Shaft and reduces the power transmitted to the

    propeller.
        The slow speed engines pose no problem to the transfer of torque and do not require an

    additional gearbox. The gearbox in the other speed engines is attached in between the

    intermediary and propeller shafts.
        Our company produces a full range of standard and customized

    Marine Deck Equipment and winches.

    Available systems include horizontal and vertical windlasses, winches and winches for

    various applications. The available models can be constructed according to applicable

    commercial standards.
        All of our Marine

    Crane
    designs have been specially developed and improved for operation in the marine

    environment. All structures have been designed to take up heavy lateral forces and to have

    a low value of elastic deflection under load. All parts have been designed and protected

    for easy maintenance.
        Threats are posed by inputs of persistent pollutants (for example substances that are

    non-degradable or not readily degradable in water) and excessive nutrient inputs via

    rivers, as well as the widespread transport of pollutants via the atmosphere (see info:

    Environmental Status of European Seas). As a result, organic pollutants such as

    polychlorinated biphenyls (PCBs), which were formerly used as insulation, hydraulic or

    cooling fluids, can be detected in remote polar regions. Other hazards to the marine

    environment are caused by shipping (for example illegal disposal of wastes, accidents,

    problems caused by antifouling paints) and inputs of oil and pollutants from the offshore

    oil and gas industry. Marine ecosystems are also endangered by overfishing and other

    negative effects of fishing on marine species and habitats. A further threat is that of

    climate change and entailing effects such as sea level rise and shifts and changes in flora

    and fauna of certain sea areas.
        As pollution of and processes in the oceans do not stop at political borders,

    successful Marine

    Environmental Protection
    can only be achieved by means of intensive international

    cooperation at regional and global level.
        The various advantages of advanced outfitting are as discussed below:
        1. Shorter Cycle Time: Since

    Marine Outfitting Equipment
    is done in parallel to hull fabrication, the total cycle

    time, that is, from the date of contract signing to the delivery of the ship, is reduced

    considerably. Accordingly, more number of ships can also be built in a year, therefore

    giving leverage to the productivity of the shipyard.
        2. Better Working Conditions: Since outfitting in block stage is carried out in a

    workshop atmosphere, the efficiency of the work force will be more because of the improved

    lighting and better ventilation. Modern shipyards also incorporate efficient human factors

    to ensure optimum level of workshop productivity.
        One of the primary reasons for dock injuries – and in some cases fatalities – are

    Marine Mooring Equipment lines.

    Many of these incidents see what is referred to as snap back occurring, a process in which

    a sudden release of energy causes the two ends of the line to recoil or ‘snap back’ with

    high speed and force – causing individuals within the proximity to be struck by pieces of

    line.
        Throughout the years many such mooring line incidents have occurred, leaving

    individuals with serious injuries, from these accidents 14% have led to fatalities.
        Alongside this, injuries can occur from individuals being hit by parting ropes,

    equipment being old and faulty or the wash of other ships passing by causing mooring ropes

    that have not been correctly tied to snap off.
        Lifeboats are the primary

    Marine Life-saving Equipment
    used when the crew and passengers are supposed to

    ‘abandon’ the ship and need out of water support. They must be available in sufficient

    quantity and support the required capacity and size such that the total number of persons

    on board can be evacuated from either port or starboard. ( This is done so that in case the

    ship is capsizing to one side, say port, the lifeboats can be lowered from the starboard

    side and everyone on board can be saved.)


       

      Anuncios relacionados

     
    Reportar este anuncio