Kozin V. The generalised model of working process of the liquid-ring compressor machine

Object of research – working process of the one-stage liquid-ring compressor machine of simple action which works in a vacuum or compressor mode. The purpose of dissertational work is working out of the generalized model of working process of liquid-ring vacuum pumps and compressors, reception of account both power characteristics and definition of ways of increase of an overall performance of liquid-ring machines in vacuum and compressor modes. At the decision of tasks in view such methods, as were used: the analysis of the scientific and technical information, mathematical modeling, physical experiment. Scientific value of results of work consists in creation of the new concept of consideration of working process of the liquid-ring compressor machine as thermomechanical system of open type and in an experimental research of a compressor operating mode of the water ring machine with definition of an indicator of a polytrack of process of compression and temperature fields in its working cavity. Practical value of the received results consists in working out to an engineering design procedure of regime and power parametres of the liquid-ring machine. It can be used by working out new and modernizations of existing one-stage machines of simple action, and allows to expand a scope of machines of this type. Scientific novelty of the received results: – consideration of working process of the liquid-ring machine on the basis of its representation in the form of thermomechanical system of open type is scientifically proved and created an engineering technique of definition of account and power parametres of the machine into which techniques have entered: calculation of overflowings of gas through face backlashes of the machine; definitions of radius-vector of the form of an internal interface of working environments; definitions of change of thermal parametres of the liquid-ring compressor machine on a corner of turn of the driving wheel; – in an experimental part temperature distribution in a working cavity of the water ring compressor machine for its different geometry and frequencies of rotation, including with use of infra-red imaging is established, and influence of cinematic, geometrical and thermal parametres on an indicator of a polytrack of process of compression is defined. Results of dissertational work are introduced Open Society «RPOS ASRIkompressormash» for calculation of liquid-ring vacuum pumps and compressors, and also in educational process of the Sumy state university. The results received in dissertational work are recommended for use at designing of liquid-ring vacuum pumps and compressors.