Nonelectrical method of pumping solid-state lasers

Шмелев, В. М.; Margolin, A. D.; Vasilik, N. Ya.; Крупкин, В. Г.; Волов, В. Т.; Volov, D. B.

doi:10.1134/1.1259133

Cited by 2 publications

(2 citation statements)

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“…The efficiency of compression in a heat-insulated system may be raised in a process involving an increase in entropy, for example, in compression with simultaneous transfer of gas from one volume into another via transfer opening. The process may be arranged in a plurality of successive stages such as multicascade compression [1,[3][4][5][6][7]. Each compression stage is separated from the subsequent stage by the irreversible process of transfer of gas into a lower-pressure volume or into a vacuum.…”

Section: Introductionmentioning

confidence: 99%

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Investigation of two-stage compression of gas

et al. 2008

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A numerical investigation is performed of two-stage compression of gas with different modes of transfer of gas between the chambers of a free-piston ballistic facility. The calculation results demonstrate that the temperature of two-stage compression with isobaric transfer flow is approximately 20% higher than the temperature of compression with isochoric transfer flow and up to 40% higher than the temperature of two-stage compression with a permanently open opening in the range of maximal values of compression pressure up to 60 atm. An experimental investigation is performed of the process in a ballistic facility with the working volume divided into two chambers. A simple method is demonstrated of realizing two-stage compression with isobaric transfer flow using a cone end piece located at the front end of the piston. The experimental results confirm theoretical analysis.

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Section: Introductionmentioning

confidence: 99%

“…This heating of gas may be realized in ballistic facilities with one or two free pistons [1,[3][4][5][6][7].…”

Section: Introductionmentioning

confidence: 99%