News tagged with heat engine

Controlling heat flow with atomic-level precision

Through a combination of atomic-scale materials design and ultrafast measurements, researchers at the University of Illinois have revealed new insights about how heat flows across an interface between two ...

Nanotechnology / Nanomaterials

created Apr 22, 2012 | popularity 5 / 5 (8) | comments 0 | with audio podcast

Carbon nanotubes: The weird world of 'remote Joule heating'

(Phys.org) -- A team of University of Maryland scientists have discovered that when electric current is run through carbon nanotubes, objects nearby heat up while the nanotubes themselves stay cool, like a ...

Nanotechnology / Nanophysics

created Apr 10, 2012 | popularity 4.4 / 5 (38) | comments 14 | with audio podcast

Keeping electronics cool: Findings on modified form of graphene could have impacts in managing heat dissipation

A University of California, Riverside engineering professor and a team of researchers have made a breakthrough discovery with graphene, a material that could play a major role in keeping laptops and other electronic devices ...

Nanotechnology / Nanomaterials

created Jan 09, 2012 | popularity 5 / 5 (7) | comments 1 | with audio podcast

The world's smallest steam engine measures a few micrometers

What would be a case for the repair shop for a car engine is completely normal for a micro engine. If it sputters, this is caused by the thermal motions of the smallest particles, which interfere with its ...

Physics / General Physics

created Dec 11, 2011 | popularity 4.6 / 5 (8) | comments 13 | with audio podcast

Waste heat slashes fuel consumption

A minor modification to your car could reduce fuel consumption by over seven per cent.

Technology / Engineering

created Jun 07, 2011 | popularity not rated yet | comments 10 | with audio podcast

3D-Model mimics volcanic explosions

(PhysOrg.com) -- A 3-D model of a volcanic explosion, based on the 1980 eruption of Mount St. Helens in Washington state, may enhance our understanding of how some volcanic explosions occur and help identify ...

Space & Earth / Earth Sciences

created Jun 01, 2011 | popularity not rated yet | comments 0 | with audio podcast

Advance in microchannel manufacturing opens new industry applications

Engineers at Oregon State University have invented a new way to use surface-mount adhesives in the production of low-temperature, microchannel heat exchangers - an advance that will make this promising technology ...

Technology / Engineering

created Apr 01, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Tiny heat engine may be world's smallest

(PhysOrg.com) -- Steam engines, combustion engines, and diesel engines are all different types of heat engines, which operate by converting heat energy into mechanical work. Although heat engines have existed ...

Physics / General Physics

created Feb 02, 2011 | popularity 4.7 / 5 (29) | comments 10 | with audio podcast feature

Maxwell's demon demonstration turns information into energy

(PhysOrg.com) -- Scientists in Japan are the first to have succeeded in converting information into free energy in an experiment that verifies the "Maxwell demon" thought experiment devised in 1867.

Physics / General Physics

created Nov 15, 2010 | popularity 4.6 / 5 (47) | comments 23 | with audio podcast report

Engineers design, build major component for hydrogen cars

(PhysOrg.com) -- Researchers have completed work on a crucial component for an experimental hydrogen storage system for cars, part of efforts to reduce pollution and the use of fossil fuels in transportation.

Technology / Engineering

created Feb 24, 2010 | popularity 4.2 / 5 (14) | comments 1 | with audio podcast

Breaking the Planck's law, at the nanoscale

(PhysOrg.com) -- A well-established physical law describes the transfer of heat between two objects, but some physicists have long predicted that the law should break down when the objects are very close together. ...

Physics / General Physics

created Jul 29, 2009 | popularity 4.9 / 5 (26) | comments 11

Researchers study salt's potential to store energy

(PhysOrg.com) -- When the wind blows, it blows — sometimes to a fault. The same is true for the sun: It can beat down relentlessly, scorching everything — and everyone-beneath its intense rays.

Physics / Condensed Matter

created Jun 02, 2009 | popularity 4.3 / 5 (7) | comments 1

Achieving optimal efficiencies for nanoengines

(PhysOrg.com) -- "There's a lot of recent interest in understanding the functioning and optimal performance of small systems," Katja Lindenberg tells PhysOrg.com. Lindenberg is a scientist in the Department of Chemistry and Bi ...

Physics / General Physics

created Apr 29, 2009 | popularity 3.6 / 5 (10) | comments 1 feature

Researchers develop new test method to measure stored heat in firefighter suits

For decades, researchers have evaluated the thermal performance of protective clothing worn by firefighters. A particular area of current interest is how to address the burns received by firefighters when they are not directly ...

Technology / Engineering

created Apr 14, 2009 | popularity 5 / 5 (1) | comments 0