METROLOGICAL ANALYSIS OF DIFFERENT TECHNIQUES FOR MEASURING INTERFACE TENSION BETWEEN TWO FLUIDS BASED ON SPINNING DROP METHOD
Igor Kisil
zarichna@nung.edu.uaIvano-Frankivsk National Technical University of Oil and Gas, Department of Methods and Devices of Quality Control and Product Certification (Poland)
Olga Barna
Ivano-Frankivsk National Technical University of Oil and Gas, Department of Methods and Devices of Quality Control and Product Certification (Poland)
Yuriy Kuchirka
Ivano-Frankivsk National Technical University of Oil and Gas, Department of Methods and Devices of Quality Control and Product Certification (Poland)
Abstract
The spinning drop method foundations of measuring interface tension between two immiscible liquids are considered. Different techniques of the spinning drop method and their metrology evaluation are compared. The dimensionless parameters of spinning drop are calculated using the fourth-order Runge–Kutta procedure and they are approximated by the seventh-order polynomial dependence. The relative errors of the different techniques and the approximate dependence are obtained.
Keywords:
interface tension, spinning drop method, metrology, error analysisReferences
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Authors
Igor Kisilzarichna@nung.edu.ua
Ivano-Frankivsk National Technical University of Oil and Gas, Department of Methods and Devices of Quality Control and Product Certification Poland
Authors
Olga BarnaIvano-Frankivsk National Technical University of Oil and Gas, Department of Methods and Devices of Quality Control and Product Certification Poland
Authors
Yuriy KuchirkaIvano-Frankivsk National Technical University of Oil and Gas, Department of Methods and Devices of Quality Control and Product Certification Poland
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