Simulating of the process of destructing cover by water-ice jet when cleaning machine components
Keywords:
modeling, destruction, cleaning of surfaces, water ice streemAbstract
Contaminations of different composition, features, and adhesion to components surface strength form on external and internal surfaces during machine components operating. These contaminations decrease components resistance to corrosion, increase wear, and decrease service life.
When performing repairing contaminations decrease labor capacity, decrease components control and faults control effectiveness, decrease repairing quality and repaired components and machines service life.
Present article includes classification of the contaminations, most often on machine components surfaces after long-term operation. This article describes and analyzes known methods
of surfaces cleaning.
Article includes description of machine components surfaces cleaning from contaminations by means of water-ice jet with preliminary prepared particles, as well, as it describes water-ice jet forming process. Following advantages of this method are described: low self-cost, wastelessness, increasing treated surface quality and environmental friendliness, significantly distinguishing this method from previously known ones.
This document presents scheme of ice particle interaction with cover, being the basis for generating thermo-physical model of contamination destruction by water-ice jet. Thermo-physical model allows scientifically reasoned choosing of treating modes and water-ice jet parameters.
Conclusion includes dependences of ice particle friction on obstacle (contamination), ice particle size changing during cleaning and quantity of heat, transferred into the ice particle.
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