Sentences with phrase «plasma jets»
"Plasma jets" refers to streams of hot, ionized gas that are propelled at high speeds. Full definition
The study suggests that the dimensions offering the greatest energy density inside the chamber will yield the longest plasma jet.
sciencedaily.com
They routinely create hot plasma jets and gas bubbles that are thought to prevent the cooling of galaxies and regulate the formation of stars, which requires cold hydrogen gas as a building block.
«Getting the biggest bang out of plasma jets.»
«Experimental results show that the longest plasma jet length can be obtained by adjusting the geometric factors,» said Jiaming Xiong, from the Huazhong University of Science and Technology and one of the authors.
It has been known for long that some of these massive black holes eject spectacular plasma jets at a near speed - of - light that can extend far beyond the confines of their host galaxy.
Non-equilibrium atmospheric pressure plasma jets, however, are cool to the touch.
Physicists working with plasma jets, made of a stream of ionised matter, have just discovered a new phenomenon.
Did plasma jets squeezed from black holes fertilise the gas clouds that gave birth to stars?
The observations, reported online September 27 in Science, may help explain how some active galactic nuclei launch powerful plasma jets thousands of light - years into space.
We may one day use such plasma jets to ride rogue waves to distant planets.
Capillary discharge plasma jets are those that are created by a large current that passes through a low - density gas in what is called a capillary chamber.
It requires not one but both electrodes to have a high voltage to obtain an apokamp plasma jet, which typically develops from the bending point of the discharge channel.
«Novel plasma jet offshoot phenomenon explains blue atmospheric jets: Physicists identify mysterious right - angle side - jet occurring off the plasma arc in air at ambient pressure conditions.»
Researchers at Huazhong University of Science and Technology found that they could achieve the longest plasma jet by altering the dimensions to maximize the energy density within the capillary chamber.
It has been dubbed apokamp — from the Greek words for «off» and «bend», because it appears at a perpendicular angle to where plasma jets bend.
Bursts of plasma, called plasma jets, have numerous uses ranging from the development of more efficient engines, which could one day send spacecraft to Mars, to industrial uses like spraying nanomaterial coatings on 3 - D objects.
They devour whatever gases survive the supernova blowout, and in the process emit high - speed plasma jets that blast away remaining gases.
It is thought that there are magnetic fields all across the universe and they have significant impact on various cosmic phenomena including plasma jets emanating from the vicinity of supermassive black holes and evolution of baby stars.
Mirror bore coating technology is a process in which the cylinder walls are sprayed by a special plasma jet.
Using high - powered pulsed lasers based on Earth to create plasma jets on space debris could cause them to slow down slightly and to then re-enter and either burn up in the atmosphere or fall into the oceans.
«Now that we understand where the induced turbulence in atmospheric pressure plasma jets is coming from, it may be possible to better control it,» said Amanda Lietz of the University of Michigan, who is an author of a new report discussing these results, based on computer simulations, appearing as the cover article this week in the journal Applied Physics Letters, from AIP Publishing.
Astronomers observe black hole producing cold, star - making fuel from hot plasma jets and bubbles.
Additionally, they showed that increasing the cathode diameter and the cathode tip length shortens the plasma jet, because these changes reduce the energy deposited in the arc channel.
When plasma expands in the capillary chamber due to arc energy heating, plasma ejects from the capillary nozzle forming the plasma jet.
In their next study, the researchers will use combinations of different pulse discharge circuits and discharge energies to see how these factors impact the plasma jet length.
Previous studies in this area have focused on the formation of the plasma jet and numerical simulations of the capillary discharge plasma, but few researchers have looked at how the structure of the capillary influences the size of the plasma jet.
When the researchers simulated the plasma jets, they found that the electrodes in the instrument — which are needed to create the electric field that makes the plasma — generate heat.
Xiong and the group of researchers set up their capillary plasma jet under normal atmospheric pressure with a camera to photograph the plasma jet's length.
One problem is that the plasma jets can be temperamental, according to Mark J. Kushner from the University of Michigan and also one of the paper's authors.
«Capillary plasma jets have a wide range of applications and the length of the plasma jet is an important characteristic parameter.»
Astronomers using the National Science Foundation's Very Long Baseline Array (VLBA) have discovered jets of plasma blasted from the cores of distant galaxies at speeds within one - tenth of one percent of the speed of light, placing these plasma jets among the fastest objects yet seen in the Universe.
The astrophysicists used the National Science Foundation's Very Large Array (VLA) radio telescope to capture the faintest details yet seen in the plasma jets emerging from the microquasar SS 433, an object once dubbed the «enigma of the century.»
Astronomers using the National Science Foundation's Very Long Baseline Array have discovered jets of plasma blasted from the cores of distant galaxies at speeds within one - tenth of one percent of the speed of light, placing these plasma jets among the fastest objects yet seen in the Universe.
Confining a plasma jet can be stress - inducing... especially on the materials especially for shielding materials.
The ceramic coating is then applied with a plasma jet onto the bond layer.