Scientists at the Fraunhofer Institute for Wind Energy and Energy System Technology IWES in Kassel are testing the complex control system of wind turbines under real conditions in the laboratory before they are built into ...
Energy & Green Tech
Feb 14, 2013
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Machines that are confined inside a cage or casing exhibit interesting properties by converting input energy into programmed functions. One such system is the mechanical gyroscope or gyrotop, a fascinating toy that amuses ...
Materials Science
Jan 18, 2022
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Wind turbines have a design life of 20 years. The rotor blades must be regularly inspected at least once every four years to verify their structural integrity. This type of work is performed by industrial climbers. But the ...
Engineering
Dec 1, 2017
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As more and more wind turbines (WTs) are installed in the course of the energy transition and distance regulations to human settlements are tightened, suitable locations are becoming increasingly difficult to find. As a result, ...
Ecology
Jul 20, 2022
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(PhysOrg.com) -- Spirit experienced a wheel stall with the right-rear wheel during the second step of a two-step drive on Sol 2092 (Saturday, Nov. 21). This is not the same wheel that stalled on Sol 1899 (May 6), the left-middle ...
Space Exploration
Nov 23, 2009
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The rotor and mast of a wind turbine can oscillate even in normal operation. The analysis of these oscillations plays an important role when the equipment is being developed and maintained. Up to now, this analysis has ...
Energy & Green Tech
Feb 10, 2014
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German scientists have developed a new class of molecular motors that rotate unidirectionally at speeds of up to 1 kHz when exposed to sunlight at room temperature. This unique combination of features opens up novel applications ...
Nanophysics
Sep 29, 2015
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10
The construction of wind turbines as a cornerstone for the production of climate-friendly electricity is rapidly increasing all over the world—and everywhere this results in major challenges for bats, which die directly ...
Ecology
Apr 10, 2024
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1
Six structures exhibited by the rotating sodium ion pump were reconstructed in 3D using cryo-electron microscopy. This analysis revealed that the rotor exhibits non-uniform rotation behavior due to partial structural interference ...
Cell & Microbiology
Jul 28, 2023
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30
Obtaining structural information about a sample on an atomistic or molecular level under conditions that mimic natural conditions underground, in the deep ocean, and in chemical reactors is now possible, thanks to an innovative ...
Materials Science
Nov 5, 2015
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