Simulation of the Centrifugal Compressor Flow Part of the Internal Combustion Engine to Determine Areas of Non-Evaporated Moisture Effective Discharge during Charge Air Evaporative Cooling

Abstract

The article presents the results of modeling the operating parameters of an engine pressurization assembly centrifugal compressor at evaporative air cooling. A step-by-step method for calculating a centrifugal compressor is described in order to evaluate the effect of evaporative cooling and air humidity on the temperature behind a centrifugal compressor. The proposed method for calculating the operating parameters of an engine pressurization assembly centrifugal compressor of an internal combustion engine with evaporative air cooling is used to evaluate the effect of humidity on the operation of a turbo compressor using an author program (certificate of state registration of the computer program № 2016611761). A series of calculations of a centrifugal compressor parameters was carried out with finely dispersed water in front of the compressor, which allowed the air humidity to be maintained at 100% with changes in temperature and pressure during the compression process. Analysis of the results showed areas in which it is advisable to organize the separation and removal of excess moisture. The presented research results are necessary for choosing the methods for separating moisture during evaporative cooling of charge air in turbocharged internal combustion engines.