Combustion engines can develop high frequency oscillations, leading to structural damage to the engines and unsafe operating conditions. A detailed understanding of the physical mechanism that causes these oscillations is ...
Condensed Matter
Jun 15, 2021
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14
The theoretical notion of a 'quantum heat engine' has been around for several decades. It was first introduced around sixty years ago by Scovil and Schulz-DuBois, two physicists at Bell Labs who drew an analogy between three-level ...
Researchers from Centrum Wiskunde & Informatica (CWI), the national research institute for mathematics and computer science in the Netherlands, discovered how large fluctuations in solar and wind energy, combined with the ...
General Physics
Jun 22, 2018
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20
Abrupt changes of wind power generation output are a source of severe damage to power systems. Researchers at Kyoto University developed a stochastic modeling method that enables to evaluate the impact of such phenomena. ...
Engineering
Jun 20, 2018
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10
Audio and video recordings are important sources of evidence in criminal investigations, especially as more electronic devices are in use now than ever before. However, for recordings to be admissible, investigators often ...
Engineering
Feb 14, 2018
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20
The use of renewables like the sun and wind can cause fluctuations in power grids. But what impact do these fluctuations have on security of supply? To answer this question, scientists from Juelich and Goettingen worked together ...
Energy & Green Tech
Jan 10, 2018
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13
The transition to a new energy mix is making the power grid more dynamic. Siemens is coordinating a major research project designed to determine the extent to which existing control center technology can accommodate additional ...
Energy & Green Tech
Sep 26, 2017
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5
The amount of energy generated by renewables fluctuates depending on the natural variability of resources at any given time. The sun isn't always shining, nor is the wind always blowing, so traditional power plants must be ...
General Physics
Jan 2, 2017
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21
A team trying to fly a solar-powered plane around the world said Wednesday it is suspending the journey in Hawaii after the plane suffered battery damage during its record-breaking flight to the islands.
Energy & Green Tech
Jul 15, 2015
1
28
A severe solar storm slammed Earth on Monday afternoon, increasing the chances of fluctuations in the power grid and GPS. It also pushes shimmering polar auroras to places where more people can possibly see them.
Space Exploration
Jun 22, 2015
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