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Keywords
(9)
Heat Conduction
Heat Flux
Heat Loss
Steady State
Temperature Dependence
Temperature Distribution
Temperature Effect
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Temperature Distribution Dependence on Refractory Anode Thickness in a Vacuum Arc: Theory
Temperature Distribution Dependence on Refractory Anode Thickness in a Vacuum Arc: Theory,10.1109/TPS.2011.2118768,IEEE Transactions on Plasma Science
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Temperature Distribution Dependence on Refractory Anode Thickness in a Vacuum Arc: Theory
(
Citations: 1
)
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Isak I. Beilis
,
Yosef Koulik
,
Raymond L. Boxman
Anode heating by plasma
heat flux
in a vacuum arc was modeled. The model included the nonlinear 2D heat conduc tion equation with temperaturedependent thermophysical ma terial properties and heat losses by StefanBoltzmann radiation from the anode surfaces. The
heat conduction
equation was solved numerically for 32mmdiameter tungsten cylindrical anodes with different anode thicknesses and arc currents. The timedependent
heat flux
to the tungsten anode was determined using measured anode temperatures. The timedependent effective anode voltage Uef was found to decrease from an initial to a steadystate value, e.g., from 11.4 to 7.05 V, for 175 A, anode thickness d =3 0mm, and electrode gap h =1 0mm. It was shown that Uef increases with d at t =0 and in the transient period, while at steady state, Uef slightly decreases with d and h.
Journal:
IEEE Transactions on Plasma Science  IEEE TRANS PLASMA SCI
, vol. 39, no. 6, pp. 13071310, 2011
DOI:
10.1109/TPS.2011.2118768
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References
(5)
Metallic film deposition using a vacuum arc plasma source with a refractory anode
(
Citations: 6
)
Isak I. Beilis
,
Raymond L. Boxman
Journal:
Surface & Coatings Technology  SURF COAT TECH
, vol. 204, no. 6, pp. 865871, 2009
Temperature Distribution Dependence on Refractory Anode Thickness in a Vacuum Arc: Experiment
(
Citations: 1
)
Isak I. Beilis
,
Yosef Koulik
,
Raymond L. Boxman
Journal:
IEEE Transactions on Plasma Science  IEEE TRANS PLASMA SCI
, vol. 39, no. 6, pp. 13031306, 2011
Twodimensional thermal model of a refractory anode in a vacuum arc
(
Citations: 1
)
Isak I. Beilis
,
Andrey Nemirovsky
,
S. Goldsmith
,
R. L. Boxman
Journal:
IEEE Transactions on Plasma Science  IEEE TRANS PLASMA SCI
, vol. 31, no. 5, pp. 958962, 2003
Thermal radiation heat transfer
(
Citations: 1342
)
Robert Siegel
,
John R. Howell
Published in 1992.
Thermophysical Properties of Matter
(
Citations: 606
)
Y. S. Touloukian
,
E. H. Buyco
Published in 1970.
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Citations
(1)
Temperature Distribution Dependence on Refractory Anode Thickness in a Vacuum Arc: Experiment
(
Citations: 1
)
Isak I. Beilis
,
Yosef Koulik
,
Raymond L. Boxman
Journal:
IEEE Transactions on Plasma Science  IEEE TRANS PLASMA SCI
, vol. 39, no. 6, pp. 13031306, 2011