Ryze business networking

Buy Ethereum and Bitcoin
Get started with Cryptocurrency investing

Home

Apply for Membership

About Ryze

Innovation Network

[This Network is not currently active and cannot accept new posts] | | Topics

More Efficient Fan Blades Mimic Humpback Fins

Nov 14, 2009 2:23 am

re: More Efficient Fan Blades Mimic Humpback Fins

Thomas Holford

> After US scientists discovered that the tubercles -- the little bumps on humpback fins -- result in 32 percent less drag and an 8 percent rise in lift when compared to a smooth fin. That means a fan blade that "makes the fan quieter, more efficient, and better at pushing down the air,"

Interesting.

When I was in the Navy, the aircraft that my squadron operated (C2A's) had horrendously noisy four blade propellers.

The Navy spent a big chunk of money for engineering updates to replace the props with a different design that was quieter (although still pretty noisy).

If these "tubercles" could make an aircraft propeller quieter and more efficient, the Navy and a lot of commercial airlines would be interested.

T. Holford

Private Reply to Thomas Holford (new win)

Ryze Admin - Support | About Ryze