Design and electrical characteristics of a modular plasma torch

Spencer P. Kuo; Edward Koretzky; Lester Orlick

doi:10.1109/27.774679

Design and electrical characteristics of a modular plasma torch

Spencer P. Kuo, Edward Koretzky, Lester Orlick

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

A modular system for constructing an atmospheric pressure plasma source is presented and studied. The design and construction of the plasma torch module by modifying and reassembling the structural components of two different models of spark plugs are first described. Each module can produce a torch plasma of 1 cm radius and 6 cm height and having a peak density exceeding 10¹³ cm^-3. A set of modules, each connected in series with a ballasting capacitor in the circuit, can be operated as an array sharing a common power source to produce a dense and large-volume plasma. The electrical characteristics of the module are studied for the case of a single module and two capacitively coupled modules. The discharge can be maintained, with the aid of ballasting capacitors, in a stable diffuse arc. Furthermore, the coupled discharges in an array of modules are operated with the maximum power efficiency as indicated by a near one power factor seen by the power line.

Original language	English (US)
Pages (from-to)	752-758
Number of pages	7
Journal	IEEE Transactions on Plasma Science
Volume	27
Issue number	3
DOIs	https://doi.org/10.1109/27.774679
State	Published - 1999

ASJC Scopus subject areas

Nuclear and High Energy Physics
Condensed Matter Physics

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10.1109/27.774679

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title = "Design and electrical characteristics of a modular plasma torch",

abstract = "A modular system for constructing an atmospheric pressure plasma source is presented and studied. The design and construction of the plasma torch module by modifying and reassembling the structural components of two different models of spark plugs are first described. Each module can produce a torch plasma of 1 cm radius and 6 cm height and having a peak density exceeding 1013 cm-3. A set of modules, each connected in series with a ballasting capacitor in the circuit, can be operated as an array sharing a common power source to produce a dense and large-volume plasma. The electrical characteristics of the module are studied for the case of a single module and two capacitively coupled modules. The discharge can be maintained, with the aid of ballasting capacitors, in a stable diffuse arc. Furthermore, the coupled discharges in an array of modules are operated with the maximum power efficiency as indicated by a near one power factor seen by the power line.",

author = "Kuo, {Spencer P.} and Edward Koretzky and Lester Orlick",

note = "Funding Information: Manuscript received September 29, 1998; revised January 5, 1999 and March 1, 1999. This work was primarily supported by the Air Force Office of Scientific Research (AFOSR) Grant AFOSR-F49620-97-1-0294 in cooperation with the DDR&E Air Plasma Ramparts MURI Program.",

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AU - Kuo, Spencer P.

AU - Koretzky, Edward

AU - Orlick, Lester

N1 - Funding Information: Manuscript received September 29, 1998; revised January 5, 1999 and March 1, 1999. This work was primarily supported by the Air Force Office of Scientific Research (AFOSR) Grant AFOSR-F49620-97-1-0294 in cooperation with the DDR&E Air Plasma Ramparts MURI Program.

PY - 1999

Y1 - 1999

N2 - A modular system for constructing an atmospheric pressure plasma source is presented and studied. The design and construction of the plasma torch module by modifying and reassembling the structural components of two different models of spark plugs are first described. Each module can produce a torch plasma of 1 cm radius and 6 cm height and having a peak density exceeding 1013 cm-3. A set of modules, each connected in series with a ballasting capacitor in the circuit, can be operated as an array sharing a common power source to produce a dense and large-volume plasma. The electrical characteristics of the module are studied for the case of a single module and two capacitively coupled modules. The discharge can be maintained, with the aid of ballasting capacitors, in a stable diffuse arc. Furthermore, the coupled discharges in an array of modules are operated with the maximum power efficiency as indicated by a near one power factor seen by the power line.

AB - A modular system for constructing an atmospheric pressure plasma source is presented and studied. The design and construction of the plasma torch module by modifying and reassembling the structural components of two different models of spark plugs are first described. Each module can produce a torch plasma of 1 cm radius and 6 cm height and having a peak density exceeding 1013 cm-3. A set of modules, each connected in series with a ballasting capacitor in the circuit, can be operated as an array sharing a common power source to produce a dense and large-volume plasma. The electrical characteristics of the module are studied for the case of a single module and two capacitively coupled modules. The discharge can be maintained, with the aid of ballasting capacitors, in a stable diffuse arc. Furthermore, the coupled discharges in an array of modules are operated with the maximum power efficiency as indicated by a near one power factor seen by the power line.

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Design and electrical characteristics of a modular plasma torch

Abstract

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