Model of Airflow Process Through Throttling Sections of Automated Deadweight Absolute Pressure Measurement System

  • A. MarkovEmail author
Conference paper
Part of the Lecture Notes in Mechanical Engineering book series (LNME)


The aim of the work is to develop a mathematical flow of air with constant pressure drops through the throttling areas of the non-compacted piston of the automated cargo-piston absolute pressure measurement system. Research methods include the theory of automatic control and simulation of systems, as well as the basic laws and regulations of gas dynamics. The results of theoretical studies of the processes of airflow with constant pressure drops through the throttling areas of the non-compacted piston are presented in a mathematical model, the main parameters of gas-dynamic processes occurring in a closed volume, in which the absolute air pressure is set. The connection between the value of the pressure drop and the airflow through the throttling areas of the non-compacted piston is established. The proposed mathematical model allows conducting theoretical studies and computer experiments, as a result of which the optimal values of the constant pressure drop can be selected, allowing to provide the necessary dynamic and precision characteristics of the automated cargo-piston system of absolute pressure measurement. The mathematical model is brought to the calculated level and can be used to solve the problems of designing automated cargo-piston systems of absolute pressure measurement as a precision tool for quality control.


Pressure measurement Pressure setting Automated control Quality control Unpacked piston Pressure sensor 


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© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Baltic State Technical University “VOENMEH” Named After D. F. UstinovSaint PetersburgRussia

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