Results 121 to 130 of about 66,978 (228)
Test Facility and Preliminary Performance of a 100 kW Class MPD Thruster [PDF]
A 260 kW magnetoplasmadynamic (MPD) thruster test facility was assembled and used to characterize thrusters at power levels up to 130 kW using argon and helium propellants.
Haag, Thomas W. +4 more
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Modeling of a non-transferred arc plasma torch
, 2019 Plasma torches are used in processing of materials and in energy industry for producing plasma, where direct currents arc torches represent the primary components of thermal plasma processes (plasma spraying, metal welding and cutting, waste treatment, biogas production, etc.).
Chinè-Polito, Bruno +2 more
openaire +2 more sources
Motion studies of high current arcs using an optical fibre array imaging system
, 2009 This paper presents an integrated portable measurement system for thestudy of high speed and high temperature unsteady plasma flows such as thosefound in the vicinity of high current switching arcs.
Cross, K. +3 more
core
Materials Research, 2012 Plasma Transferred Arc (PTA) is the only thermal spray process that results in a metallurgical bond, being frequently described as a hardfacing process. The superior properties of coatings have been related to the fine microstructures obtained, which are
Danielle Bond +1 more
doaj
Development of arcjet and ion propulsion for spacecraft stationkeeping [PDF]
Near term flight applications of arc jet and ion thruster satellite station-keeping systems as well as development activities in Europe, Japan, and the United States are reviewed. At least two arc jet and three ion propulsion flights are scheduled during
Curran, Francis M. +6 more
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Hardfacing by Plasma Transferred Arc Process [PDF]
, 2011 Díaz, Víctor Vergara +2 more
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Evaluation of candidate working fluid formulations for the electrothermal - chemical wind tunnel [PDF]
Various candidate chemical formulations are evaluated as a precursor for the working fluid to be used in the electrothermal hypersonic test facility which was under study at the NASA LaRC Hypersonic Propulsion Branch, and the formulations which would ...
Akyurtlu, Ates, Akyurtlu, Jale F.
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Heat Transfer and Thermodynamics: a Compilation [PDF]
A compilation is presented for the dissemination of information on technological developments which have potential utility outside the aerospace and nuclear communities.
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After a preliminary assessment of venusian channels, it now seems to be clear that the channels have distinctive classes, which imply a wide range of formation parameters and formation mechanisms. They include outflow channels mainly formed by mechanical
Baker, V. R., Komatsu, G.
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Laminar flow heat transfer from a gaseous plasma at elevated electron temperature in the presence of electromagnetic fields [PDF]
Electromagnetic field effects on heat transfer of two temperature gaseous ...
Bose, T. K.
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