Studying the thermodynamic processes in excilamps by the pressure jump method (review)

A. A. Pikulev, V. M. Tsvetkov, E. A. Sosnin, V. A. Panarin, V. F. Tarasenko

Research output: Contribution to journalReview article

4 Citations (Scopus)

Abstract

A review of studies of thermodynamic processes in KrBr (207 nm), KrCl (222 nm), and XeBr (282 nm) barrier-discharge excilamps and XeBr (282 nm) and XeCl (222 nm) microwave-discharge excel-amps is presented. Using various pressure gauges, it was experimentally shown that a pressure jump that occurs upon excilamp switching-on (-off) contains a fast (with a characteristic time of ∼100 ms) and a slow (∼100 s) component. The fast pressure-jump component is associated with gas heating during the discharge and allows evaluation of the fraction of the discharge power that is thermalized in the gas. From the analysis of the pressure decay after the jump, it follows that the gas is heated as a result of two processes: direct gas heating during the discharge (∼100 ms) and the energy dissipation of acoustic waves in the gas (∼10 ms). The slow component of the pressure jump is caused by the general heating of the excilamp and can be used to determine the fraction of the discharge power that is converted to thermal energy and to study various excel-amp cooling modes.

Original languageEnglish
Pages (from-to)513-521
Number of pages9
JournalInstruments and Experimental Techniques
Volume55
Issue number5
DOIs
Publication statusPublished - Sep 2012
Externally publishedYes

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Thermodynamics
Gas heating
thermodynamics
Gases
Pressure gages
Thermal energy
gases
Discharge (fluid mechanics)
pressure gages
Energy dissipation
Microwaves
Acoustic waves
Cooling
thermal energy
Heating
energy dissipation
cooling
microwaves
heating
acoustics

ASJC Scopus subject areas

  • Instrumentation

Cite this

Studying the thermodynamic processes in excilamps by the pressure jump method (review). / Pikulev, A. A.; Tsvetkov, V. M.; Sosnin, E. A.; Panarin, V. A.; Tarasenko, V. F.

In: Instruments and Experimental Techniques, Vol. 55, No. 5, 09.2012, p. 513-521.

Research output: Contribution to journalReview article

Pikulev, A. A. ; Tsvetkov, V. M. ; Sosnin, E. A. ; Panarin, V. A. ; Tarasenko, V. F. / Studying the thermodynamic processes in excilamps by the pressure jump method (review). In: Instruments and Experimental Techniques. 2012 ; Vol. 55, No. 5. pp. 513-521.
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