A Digital Deformation Vacuum Gauge with an LC-Generator

The design of a sylphon bellows sensor and the basic circuits of an LC-generator and of a microprocessor unit are presented. An analytical pressure–frequency conversion function and a special method of adjusting the sensor ensure an error of less than 0.05%. The dynamic range is up to 10⁵. The instruments developed cover the ranges 10³, 10⁴, and 10⁵ Pa.     

Simulation of Signals Transmitted in a Multichannel Information Speed System and Experimental Check of the Results

Characteristics of pulse signals transmitted in a multichannel information speed system widely used in physical setups of the State Research Center Institute of High-Energy Physics on a 70-GeV accelerator are studied. The simulation is carried out for various configurations of the system, taking into account special design features of the modules. The characteristics of the pulses and values of correcting (damping) components are determined, and the calculated and experimental results are compared.     

Numerical solution of the forward one-dimensional problem of critical flow in nozzles

The principles of an algorithm are formulated for a numerical solution of problems of one-dimensional flow in nozzles with passage through a singularity. The results of calculations are compared with experimental data.