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2 ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes

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Computerised system of research of automobile and tractor engines

Holovchuk A., Kovalyshyn S., Habriyel Yu., Zholobko V.

ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes

2015

Vol. 4, No 4

55--58

It is offered the automated complex for carrying out experimental researches automobiles and tractors engines with program realization of monitoring of a kind speed-mode on coefficient to non-uniformity of a course. In the developed installation it is automated processes definition, on dynamic modes, the expenditure of air and fuel and coefficient surplus of air and provided an opportunity of a direct estimation of quality of a transitive mode of engines.

Lubrication impact on the value of friction coefficient of coffee beans sliding ever the steel surfaces of various roughness

Kuzminskyi R., Sokolovskyi O., Lozovyi R., Sheremeta R., Zholobko V.

ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes

2014

Vol. 3, No 4

91--95

The article analyzes the influence of steel surfaces processing quality on the value of sliding friction coefficient of Robusta and Arabica coffee beans at dry and lubricated fricbica. The research obtained coffee dry and lubrication functions and parameters of sliding friction coefficients distributions and mathematical models for determining the index which depends on the roughness of steel surfaces.