Operation and protection of DC shipboard power system

Satpathi, Kuntal

doi:10.32657/10220/48562

Cited by 1 publication

(2 citation statements)

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“…The calculation of the amount of power generated by each paddle wheel blade that is immersed in water can be generated from the multiplication of the water density of the shipping route, the coefficient of discharge, the area of the paddle wheel blades that are immersed in the water while rotating, and the relative speed which can be seen in the following formula [9,10]: F is the force on a paddle wheel blade, is the density of water, Cd is the coefficient of discharge, A is the area of the blade submerged in water, and Vr is the relative velocity. Relative speed is the speed that occurs in some conditions.…”

Section: Paddle Wheel Designmentioning

confidence: 99%

“…Based on Formula 4 and Formula 5, Vr is the relative velocity resulting from subtracting the values of Vc and Vb. Vc is the value of the velocity approach on the blade with an angle of less than 90o or is not in a position perpendicular to the waterfront [9,10,11], The value of Vc is obtained from the multiplication of the ship's speed value and the sin value from the reduction of the 90o angle and the angle of the paddle wheel blade to the waterfront. While Vb is the speed of the blade/blade resulting from the multiplication of the ship's speed and the constant "p," as stated by Antoine Parent in 1740 [12,13], Formulas 4 and 5 are used to obtain the components of the calculation of the force generated by the paddle wheel using Formula 3, which is presented in Table 1.…”

Section: Paddle Wheel Designmentioning

confidence: 99%

See 1 more Smart Citation

Design, Construction And Operational Plans Of An Electric Paddle Wheel For A Laminated Bamboo Slats River Cruise Boat

Supomo

Djatmiko

Nugroho

et al. 2023

Kapal

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River cruise tourism in Indonesia has a moderately high potential as there are so many rivers in Indonesia that offer beautiful natural and urban views. However, majority of river cruiser boats still use outboard engines, both two-stroke and four-stroke combustion engines. The working system of the outboard engine is to carry out the combustion process of the fuel oil. This combustion process usually has a loud sound, leading to noise pollutants that can harm the environment and make passengers uncomfortable. Burning fossil fuels also causes the residual compounds that increases environmental pollution, especially carbon emissions. In this paper, an analysis will be carried out on the operational costs of a river cruise ship with electric paddle wheel propulsion. With a boat design with an LOA size of 5.4 m, breadth of 1.4 m, height of 0.8 m, draft of 0.3 m, and CB of 0.68, the paddle wheel diameter is 70 cm, blade width of 30cm, and 6 blades. The motor used to drive the paddle wheel has a power of 672.69 watts, with a battery capacity of 100 Ah. According to operational planning, benefits will be obtained, including zero carbon emissions, no noise and operational benefits can be up to 90% greater when compared to the out-board engine drive.

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Section: Paddle Wheel Designmentioning

confidence: 99%