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Fusion Science and Technology
Latest News
Commercial nuclear innovation "new space" age
In early 2006, a start-up company launched a small rocket from a tiny island in the Pacific. It exploded, showering the island with debris. A year later, a second launch attempt sent a rocket to space but failed to make orbit, burning up in the atmosphere. Another year brought a third attempt—and a third failure. The following month, in September 2008, the company used the last of its funds to launch a fourth rocket. It reached orbit, making history as the first privately funded liquid-fueled rocket to do so.
Timofeev A.V., Tupikov S.E.
Fusion Science and Technology | Volume 35 | Number 1 | January 1999 | Pages 253-257
Oral Presentations | doi.org/10.13182/FST99-A11963862
Articles are hosted by Taylor and Francis Online.
The influence of a non-uniform electrical field, perpendicular magnetic on drift instability was studied by Sanuki et al.1,2 They have shown, that the drift instability is stabilized at a rather large gradient of an electrical field. This result was received by means of the analysis of an integral wave equation, which describes the plasma oscillations with Gaussian profile of density and linear profile of an electrical field at arbitrary Larmour radius of charged particles.
We describe the drift oscillation by the differential wave equation. This equation can be used at any profiles of plasma density and electrical field, if Larmour radius of the charged particles is rather small. In case of linear profile of an electrical field, our results confirm those received in 1,2. We have also shown, that the drift instability is transformed to Kelvin-Helmholtz instability in case of an electrical field profile with an inflexion point (smooth step profile).
