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Propeller is external (outboard motor on a boat)

Impeller is internal (vehicle water pump).

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10y ago

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What is the difference between impeller and propeller vanes?

An impeller is a rotor inside a pump through which the liquid flows to create a pressure gradient.A propeller is used to propel a vessel.In pump impeller liquid moves i.e. pump is stationary. In a vessel propeller the vessel moves through a liquid or gas!@ please iwant to know the physical meaning of NPSHNet Positive Suction Head


What is the difference betwee impeller and propeler?

An impeller is a rotor used to increase the pressure and flow of a fluid whereas a propeller is a type of fan that produces thrust by moving air or water. In general, impellers are found in pumps and compressors, while propellers are commonly used in boats and aircraft.


Explain how energy hydroelectric is harnessed from flowing water?

Water is allowed to flow through an impeller. This drives the impeller around. A mechanical shaft from the impeller is connector to the rotor of a dynamo/alternator. Since the rotor (a coil of wires) is revolving inside a magnet , this generates electricity in the dynamo/alternator. The mechanical shaft is the same to a steam turbine in a thermal/nuclear power station, thereby the process is the same. NB An 'Impellor' is the same as a propeller , the difference being that an impeller rotates because of flowing water through it, whereas a propeller is rotated by mechanical mean to make the object flow through water.


Why does my fluval 404 make propeller noises now after I cleanded it?

The propeller noises in your Fluval 404 after cleaning could be due to air trapped in the impeller chamber, which can cause cavitation or irregular operation. Additionally, if the impeller or its housing was not reassembled correctly, it might be misaligned or not seated properly, leading to unusual sounds. Lastly, ensure that the impeller itself is clean and free of debris, as any obstruction can also cause noise.


Where is the impeller on a sand pump?

An impeller in a pump is the part that the motor spins that actually does the work of moving the water. Due to it's design when it spins it creates a vacuum that pulls the water in the middle of an opening on the front of the impeller and throws it to the outside where it is then channeled to the output of the pump.


Difference between compressor and pump rotor?

The only one difference in b/w compressor and pump rotor is impeller shroud width.Fluid is incompressible so impeller shroud width is not change and gas is compressible so impellers are tends to thin in width to the discharge side.


How does a propeller vehicle use air resistance?

A propeller vehicle uses air resistance to generate forward thrust. As the propeller spins, it creates a pressure difference between the front and back of the propeller, causing the vehicle to move forward. The air resistance acts against the motion of the propeller, helping to propel the vehicle forward.


What is the Difference between agitator and impeller in a washing machine?

The primary difference between an agitator and an impeller in a washing machine lies in their design and movement. An agitator is typically a central post with fins that moves clothes through a swirling motion, creating friction for better cleaning. In contrast, an impeller is a low-profile disc that spins to create a gentle current, allowing clothes to rub against each other without the aggressive action of an agitator. This results in less wear on garments, making impeller machines often more gentle and efficient.


How does a propeller move a object?

A propeller moves an object by generating thrust through the rotation of its blades. As the blades spin, they create a pressure difference between the front and back of the propeller, pushing air or water in one direction and creating a force that propels the object forward.


What is the relationship between pump impeller diameter and pump horsepower?

The brake horsepower varies as a cube of the impeller diameter.


What is the difference between volute centrifugal pump and turbine centrifugal pump?

voloute convord the pressure into volicity and the mixtur of propallere and impeller is called turbine pump


Explain the effect of cavitation on propeller blades?

The BLADES ON THE IMPELLER GATHER BUBBLES AND POP. THE POP OF THE BUBBLES BREAK AND INDENT THE IMPELLER AND GUIDEVANE THAT HELPS THE WATER OR FLUID GO FROM THE MIDDLE OF THE IMPELLER TO THE LEADING EDGE OF THE IMPELLER. THE SOUND OF CAVITATION IS LIKE PUMPING GRAVEL THROUGH THE VOLUTE OR CASE. IF THE PUMP IS CAVITATING YOU CAN SLOWING CLOSE A BALL VALVE ON THE DISCHARGE SIDE OF THE PUMP ON A CENTRIFUGAL PUMP AND THE GRAVEL NOISE WILL GO AWAY AND YOU KNOW THE PUMP IS CAVITATING. CAVATION WILL DESTROY AN IMPELLER VERY FAST BY IMPLODING BUBBLES ON THE METAL OR PLASTIC UNTILL THE PUMP WILL NOT RUN.