DETERMINATION OF GAS DENSITY BY THE METHOD OF EFFUSION DETECTION
Measurement of gas density is currently carried out in such important industries as oil and gas production, oil refining, petrochemistry, chemistry, metallurgy and others. In addition, for laboratory control, pycnometric (weight) and effusion (based on the effect of gas outflow from the turbulent choke) are mainly used to analyze the density of the gas.Variants of measurement of density of gases are considered. It is shown that an effusion analyzer with decreasing flow pressure can be used to measure the density of gases, in which a high - precision piezoresistive pressure transducer is used to measure the pressure, and a computer can be used to process its signal, which allows, with the help of a specially developed program, to provide the possibility of almost complete automation of the process of measuring and calculating the density of gases. An important feature of the analyzer is that it does not require special calibration, since the gas density measurement is carried out relative to the dried air.