نتایج جستجو برای: plasma arc
تعداد نتایج: 388705 فیلتر نتایج به سال:
Temporal flow control of a jet has been widely studied in the past to enhance jet mixing or reduce jet noise. Most of this research, however, has been done using small diameter low Reynolds number jets that often have little resemblance to the much larger jets common in real world applications because the flow actuators available lacked either the power or bandwidth to sufficiently impact these...
The article describes the application of plasma in production industrial pigments. Plasmatrons, or cooled electrodes, have found practical use chemical, petrochemical, metallurgical, and other industries. Plasma-chemical methods with plasmatrons yielding high-quality pigments, e.g. titanium dioxide. disadvantage is dilution outgoing chlorine inert gases, which reduces service life plasmatrons. ...
[1] We report the first observations of E region neutral wind fields and their interaction with auroral arcs at mesoscale spatial resolution during geomagnetically quiet conditions at Mawson, Antarctica. This was achieved by using a scanning Doppler imager, which can observe thermospheric neutral line‐of‐sight winds and temperatures simultaneously over a wide field of view. In two cases, the ba...
Wave-like substorm arc features in the aurora and Pi2 magnetic disturbances observed in the near-Earth plasma sheet are frequently, and sometimes simultaneously, observed around the substorm onset time. We perform statistical analyses of the THEMIS ASI auroral observations that show wave-like bright spot structure along the arc prior to substorm onset. The azimuthal mode number values of the wa...
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