METROLOGICAL ANALYSIS OF DIFFERENT TECHNIQUES FOR MEASURING INTERFACE TENSION BETWEEN TWO FLUIDS BASED ON SPINNING DROP METHOD


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 analysis

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Published : 2016-08-08


Kisil, I., Barna, O., & Kuchirka, Y. (2016). METROLOGICAL ANALYSIS OF DIFFERENT TECHNIQUES FOR MEASURING INTERFACE TENSION BETWEEN TWO FLUIDS BASED ON SPINNING DROP METHOD. Informatyka, Automatyka, Pomiary W Gospodarce I Ochronie Środowiska, 6(3), 40-42. https://doi.org/10.5604/20830157.1212265

Igor Kisil  zarichna@nung.edu.ua
Ivano-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