A Physical Model of the Electric Discharge With Cold Electrodes in a Supersonic Seeded Plasma

Rittenhouse, L. E.; Whoric, J. M.

doi:10.2514/6.1965-1033

Cited by 3 publications

(1 citation statement)

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“…Alkali salt seeding was therefore introduced into the plasma jet in order to achieve the same level of conductivity at a considerably lower temperature. 3 Extensive experimentation with different seed materials and gases appeared in the literature [69][70][71][72][73][74][75][76][77][78][79][80] through the end of the 1960's, with co orted were usually on the order of 1 atm. At higher pressures (e.g., 10 atm), electron attachment by positive oxygen atoms significantly reduces σ.…”

Section: Conductivitymentioning

confidence: 99%

A Critical Review of Electric and Electromagnetic Flow Control Research Applied to Aerodynamics

Braun

Lu²,

Wilson³

2008

39th Plasmadynamics and Lasers Conference

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Fifty years ago, publications began to discuss the possibilities of electromagnetic flow control (EMFC) to improve aerodynamic performance. This led to an era of research that focused on coupling the fundamentals of magnetohydrodynamics (MHD) with propulsion, control, and power generation systems. Unfortunately, very few designs made it past an experimental phase as, among other issues, power consumption was unreasonably high. Recent proposed advancements in technology like the MARIAH hypersonic wind tunnel and the AJAX scramjet engine have led to a new phase of MHD research in the aerospace industry, with many interdisciplinary applications. Aside from propulsion systems and channel flow accelerators, electromagnetic flow control concepts applied to control surface aerodynamics have not seen the same level of advancement that may eventually produce a device that can be integrated with an aircraft or missile. Therefore, the purpose of this paper is to review the overall feasibility of the different electric and electromagnetic flow control concepts. Emphasis is placed on EMFC and experimental work.

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