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    The working principle of marine propeller [14/12/2017]

    The working principle of marine propeller The working principle of marine propeller can be explained from two different points of view, one is the change of momentum, the other is the change of pressure. In terms of the change in momentum, in short, it is …

    The application of propeller [14/12/2017]

    The application of propeller 1.Species There are many types of ship propellers, according to different principle,there are propellers, water propulsion and special propulsion. Propeller is the hub and a number of radial fixed to the hub of the composition of the propeller, commonly known as the …

    Propeller design [14/12/2017]

     Propeller design Propeller design and speed forecast, the propeller design is an important part of the design of the ship. After the preliminary design of the ship profile is completed, the effective horsepower curve of the ship is obtained by …

    Coating technology for ship propeller [12/12/2017]

    Coating technology for ship propeller Propeller is a key component of the ship’s propulsion system. In the course of use, it is not only faced with cavitation corrosion caused by high-speed operation, but also by sea water corrosion and sea …

    Cavitation phenomenon of marine propeller [11/12/2017]

    Cavitation phenomenon of marine propeller 1. Vortex cavitation Vortex cavitation occurs in the tip and hub. The instability of the free vortex sheet that appears in the blade along the edge of the blade, the two large vortices are rolled …

    Analysis of cause of failure of Marine propeller [11/12/2017]

    Analysis of cause of failure of Marine propeller Marine propeller is transmitted the thrust to the ship itself, it is a component that converts the torque of an engine into kinetic energy. If the propeller break down, the normal process of …

    Abnormal Noises Analyzing When Engine Running [13/01/2014]

    When the diesel engine in operation, there is not a normal phenomenon, generally will issue abnormal sound, usually a diesel engine “auscultation” will know that diesel is not the failure, if you hear unusual noises, shut down immediately to check …

    Engine Maintenance [13/01/2014]

    1.1   Lubriation System 1.1.1          Oil Change Cycle First time oil change should around 50 working hours for new engine or engine be overhauled, oil change cycle afterwards should decide according to engine using condition and oil quality, diesel oil change …

    The Technology Features Introduction of Deutz Engine [13/01/2014]

    1. The cylinder body USES German standard of high strength and gray cast iron material, and the overall noise reduction damping design, and similar products compare noise reduction 3 dB, cylinder body when the design mature to repair and maintenance …

    Maintanence Guide of Cummins Engine in Winter [13/01/2014]

    As winter comes, the maintenance of Cummins engine becomes very important for these countries located in cold area, so here we brief some methods of maintenance, which will help you so much. 1, It must pay attention to weather changes …

    Analysis of Agricultural Engine Overheating [13/01/2014]

    Phenomenon The engine overheating means the engine temperature exceed the normal max. temperature (80-90℃), even the water in the radiator will be boiling. The analysis of causes Engine overheating, generally it is the cooling water temperature in the engine body …

    Maintanence Guide of Cummins Engine in Winter [13/01/2014]

    As winter comes, the maintenance of Cummins engine becomes very important for these countries located in cold area, so here we brief some methods of maintenance, which will help you so much. 1, It must pay attention to weather changes …


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