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Introduction:

SOLAR BOAT MODEL BY PEDDIREDDY DHEERAJ BOYININE ROHITH S SANTOSH REDDY. Introduction:.

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Introduction:

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  1. SOLAR BOAT MODEL BY PEDDIREDDY DHEERAJ BOYININE ROHITH S SANTOSH REDDY

  2. Introduction: • A boat which is solar powered is called as a solar boat. • The solar boat doesn’t use chemical energy instead it uses solar energy to run the boat. • Now-a-days fossil fuels are running out and its our responsibility to find an alternative to fossil fuels and the solution is to use SOLAR BOAT.

  3. Construction: • The solar boat requires the following components: • solar panel • Motor • Hull • A propeller

  4. Solar panel: • A solar panel is a packaged, connected assembly of photo Voltaic cells. • Solar panels use light from the sun to generate electricity through photovoltaic effect. • The graph shows the solar panel output power vs. volts at various sun levels

  5. Motor: • The motor used in solar boat is essentially driven by magnetic attraction and repulsion between the permanent magnets in the motor stator and the rotor which is an electromagnet powered by solar panel. • The motor RPM varies directly with voltage. • Torque varies directly with current. Matching the motor load to the available panel output is critical for best performance.

  6. HULL: • Hull is the watertightbody of ship or boat. • The line where the hull meets water surface is called waterline. • The structure if hull varies depending on vessel type. The basic considerations are: • Must float and requires to carry motor and solar cells. • Must be constructed from water resistant materials. • Must be stable and not roll over.

  7. PROPELLER: • A propeller is a type of fan that transmits power by converting rotational motion into thrust. • A conventional water propeller is the most commonly used type of propeller. • The propeller must transfer all the solar panel power to the water to drive the boat. • Keep the shaft angle low to maximize forward thrust component and minimize the vertical thrust component. • The figure shows the variation of thrust with shaft angle.

  8. COUPLING: • Connecting the motor to the propeller is essential if the boat is to function. • This area has the potential for high power loss if not done properly. • Figure shows motor and propeller mounted in holder.

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