Treatment of the Time Dependent Residual Layer and Its Effects in Calibration Procedures of Liquids and Gases Inside a Volume Prover

Anderson Ilha, Mauro M Doria, Valter Yoshihiko Aibe

Abstract

In order to minimize the uncertainty arising from measurements of volume provers, we consider the thin liquid films that form inside the prover's inner surfaces, such as the interior walls of standard tanks and bell provers. These thin films adhere to the surface and may carry a given amount of mass and volume which can impact on the prover-side measurement uncertainties.

Keywords

thin films, surface physics, prover calibration

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IMEKO TC

TC9 - Flow Measurement

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