Rather then driving a propeller, the Tesla turbine instead turns a Lily impeller, which pulls the boat through the water rather than pushing it along. The impeller uses a nature-inspired design ...

The BEP is the point on the curve where the pump operates most efficiently. Unique to each pump, the BEP is a product of both impeller design and several related pump curve parameters. The power to ...

Two areas in a pump particularly prone to clogging are the wear ring and the impeller leading edge. In pumps with a closed impeller, fibrous material and hygiene articles are prone to collect in the ...

“If your engine runs warm at idle or slow speed, and then it runs cooler at higher speed, that’s a sign that the impeller needs to be changed,” says Jeff Fay, owner of Fay’s Boat Yard on New Hampshire ...

This article considers only fans that have unducted inlets. In a fan + damper system, the fan impeller imparts energy to air, moving it through the system, so it is necessary to consider exactly how ...