Nanotechnology Now







Heifer International

Wikipedia Affiliate Button


DHgate

Home > News > Bouncing bubbles could power microturbines

November 23rd, 2007

Bouncing bubbles could power microturbines

Abstract:
Researchers have hit upon an unusual way to spin tiny propellers - set them on top of tiny bouncing bubbles. Inspired by winged seed pods, they could find use for mixing tiny amounts of liquids, or strength-testing nanostructures, researchers say.

Daniel Attinger, of Columbia University, New York, US, and colleagues hit upon the idea when investigating the way fluids move around vibrating bubbles. By heating water, the team made tiny bubbles around 40 micrometres across, the width of a few human cells, on a container's walls.

Theoretical studies have suggested that bouncing creates a vortex around bubbles, so the researchers vibrated the container with a piezoelectric "buzzer" to achieve this. They then put small pieces of plastic into the flow around them to search for signs of the vortex effect.

Source:
technology.newscientist.com

Bookmark:
Delicious Digg Newsvine Google Yahoo Reddit Magnoliacom Furl Facebook

Related News Press

Molecular Machines

Monitoring the real-time deformation of carbon nanocoils under axial loading February 18th, 2015

Stomach acid-powered micromotors get their first test in a living animal January 27th, 2015

Nanoshuttle wear and tear: It's the mileage, not the age January 26th, 2015

Mysteries of ‘Molecular Machines’ Revealed: Phenix software uses X-ray diffraction spots to produce 3-D image December 22nd, 2014

Discoveries

Enhanced Graphene Components for Next Generation Racing Yacht March 5th, 2015

American Chemical Society Presidential Symposia: nanoscience, international chemistry March 5th, 2015

Magnetic vortices in nanodisks reveal information: Researchers from Dresden and Jülich use microwaves to read out information from smallest storage devices March 4th, 2015

CiQUS researchers obtain high-quality perovskites over large areas by a chemical method March 4th, 2015

Announcements

The George Washington University Opens Science and Engineering Hall, Largest Building of Its Kind in D.C.: Building Represents Significant Investment in Research Programs and Facilities; Commitment to Solve Global Problems, Improve Lives of Millions March 5th, 2015

Anousheh Ansari Wins the National Space Society's Space Pioneer Award for "Service to the Space Community" March 5th, 2015

Enhanced Graphene Components for Next Generation Racing Yacht March 5th, 2015

Get ready for NanoDays! March 5th, 2015

NanoNews-Digest
The latest news from around the world, FREE




  Premium Products
NanoNews-Custom
Only the news you want to read!
 Learn More
NanoTech-Transfer
University Technology Transfer & Patents
 Learn More
NanoStrategies
Full-service, expert consulting
 Learn More










ASP
Nanotechnology Now Featured Books




NNN

The Hunger Project







© Copyright 1999-2015 7th Wave, Inc. All Rights Reserved PRIVACY POLICY :: CONTACT US :: STATS :: SITE MAP :: ADVERTISE