Andrey E. Aslanyan
FSUE “VNIIFTRI”, Mendeleevo, Moscow region, Russia
andrey_aslanyan@vniiftri.ru, SPIN-code: 7477-5076, ORCID: 0000-0003-0239-3138
Al’manac of Modern Metrology № 4 (44) 2025, pages 96–102
The page of the article in Russian
Original article
Abstract. The results of model calculations of the effective areas of piston pairs for ultrahigh pressures are presented. The under-piston pressures ranged from 0,1 to 1,6 GPa. The effective areas of piston pairs with different working fluids differ from each other. The differences obtained have been compared with the error limits of the working standards of class 0,003 and 0,005.
Keywords: high pressure piston cylinder unit, counter-pressure, effective area, working liquid
For citation: Aslanyan A.E. Estimation of the dependence of the effective area of the counterpressure piston-cylinder unit on the applied liquid. Almanac of Modern Metrology. 44 (4), 96–102 (2025).
Funding. The work on writing the article was carried out on an initiative basis.
Contribution of the author. The author has performed all calculations and analyzed the results.
Conflict of interests. The author declares that he has no potential conflict of interest related to the research presented in this article.
Acknowledgments. The author thanks to S.M. Gavrilkin for discussing the results of the work.
The article was submitted 24.09.2025; approved after reviewing 24.09.2025; accepted for publication 26.09.2025.
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