Investigation of the main characteristics of the coolant purification module of heavy transport equipment engines

Abstract

The results of a study of a promising design of a coolant purification module for heavy transport equipment engines are presented. The developed module is a section of a large diameter pipeline (50 mm or more), which has a bypass channel with a hydrocyclone filter separator installed in it. Based on the results of computer modeling of the mock-up version of the purification module, it was decided to introduce special deflectors of a special shape into the design before the bypass channel branch in order to force the flow of liquid into the bypass branch (into the filter separator). The results of the study showed that the hydraulic resistance of the module is very insignificant (does not exceed 6 kPa at a flow rate of 600 l/min), which is a consequence of the bypass layout of the hydrocyclone filter separator relative to the main pipeline. It was also experimentally determined that the trapping capacity of the purification module during repeated passage of liquid through a hydrocyclone filter separator is almost close to 100% for test particles of about 100 microns in size at a flow rate of 500 l/min. The influence of geometric parameters of deflectors in the module channel directing the liquid flow into the hydrocyclone filter separator was also investigated by calculation and experimentally. The developed design of the cleaning module can be successfully applied to engines of heavy transport equipment - mainline tractors, diesel locomotives, river vessels, etc.