News tagged with heat flow
Cosmic entropy could be 100 times greater than previously thought
(PhysOrg.com) -- A new analysis of supermassive black holes has discovered the entropy of the universe is much greater than previously thought, which means it may also be very slightly closer to ultimate heat death.
Oct 06, 2009 |
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Changes in net flow of ocean heat correlate with past climate anomalies
Physicists at the University of Rochester have combed through data from satellites and ocean buoys and found evidence that in the last 50 years, the net flow of heat into and out of the oceans has changed ...
Aug 14, 2009 |
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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
Apr 22, 2012 |
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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 ...
Apr 29, 2009 |
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1,000m underground central heating system planned
(PhysOrg.com) -- A pioneering scheme to build a giant central heating system that will harness heat from deep underground is being developed by university scientists.
Space & Earth / Earth Sciences
Jan 12, 2010 |
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Jumping droplets take a lot of heat
Microscopic water droplets jumping from one surface to another may hold the key to a wide array of more energy efficient products, ranging from large solar panels to compact laptop computers.
Dec 12, 2011 |
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NASA's proposed 'InSight' lander would peer to the center of Mars in 2016
A Phoenix-like lander that would mine the deepest hole yet into Mars- to a depth of 5 meters – and unveil the nature of the mysterious deep interior and central core of the Red Planet is under consideration ...
Space & Earth / Space Exploration
Mar 02, 2012 |
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Mining for heat
Underground mining is a sweaty job, and not just because of the hard work it takes to haul ore: Mining tunnels fill with heat naturally emitted from the surrounding rock. A group of researchers from McGill University in Canada ...
Technology / Energy & Green Tech
May 02, 2012 |
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Study finds failure points in firefighter protective equipment
(PhysOrg.com) -- In fire experiments conducted in uniformly furnished, but vacant Chicago-area townhouses, National Institute of Standards and Technology (NIST) researchers uncovered temperature and heat-flow ...
Dec 07, 2011 |
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Energy-autonomous sensors for aircraft
Aircraft maintenance will be easier in future, with sensors monitoring the aircraft skin. If they discover any dents or cracks they will send a radio message to a monitoring unit. The energy needed for this ...
Oct 01, 2009 |
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