SIMULATION OF THE PROCESS OF MEASURING THE FLOW RATE OF A PULSATING LIQUID FLOW THROUGH AN EXPANDING DEVICE

The article presents the results of modeling a differential pressure flowmeter with a flow transducer in the form of an expanding device that measures the flow rate of a pulsating liquid. The article describes a method for obtaining basic modified equations for describing models and presents the structure of the flow transducer. A conical diffuser is used as an expanding flow transducer in operation. In this article, a model of such a flow meter is obtained and the factors influencing the process of measuring the pulsating flow rate of a liquid are investigated. An estimation of the uncertainty of measuring results of the pulsating flow rate using such a transducer is given. The factors influencing the accuracy of flow measurement are investigated.