Abstract
A viscometer is a tool used to determine the strength of a fluid to shear or tensile stress. Meanwhile, engine oils are used to reduce friction and wear during operation and often deteriorate by the dynamic process with the combined effects of working conditions, contaminations and wear conditions. Therefore, the precise characterization of viscosity is important in the analysis of numerous engineering situations that consume engine oils that associate the functionality or performance of vehicles and machinery. This work aims to investigate the Complimentary Split Ring Resonator (CSRR) as a viscometer for engine oils. The antenna using radiation path such as CSRR is commonly used to measure the dielectric property of substances. Hence, this approach is applied to identify the dielectric properties of engine oils and establish the correlation between viscosity and dielectric properties. Eight engine oils from Shell were tested based on their margins in the terms of kinematic viscosity. Each oil was tested and repeated three times before the mean values were determined along with the frequency of 1-9GHz. The findings show no convincing and solid correlation between the two variables due to the small dielectric constant variation of engine oil with different viscosity. However, future works using current resonator will be applied in other applications associated with different material properties to build a predictive model. In addition, future work can consider sweeping in low frequency that might show positive results.
Highlights
Dielectric properties of materials are the interaction between electromagnetic energy and materials and are associated with the capability for energy storage in the electric field in the material [1]
The dielectric property is denoted by the resonance frequency, S11 and the viscosity is given by kinematic viscosity, ranging from low to the high level to obtain possible correlation
The results show a different level of viscosity contributes to the shifting of S11 values at frequency ranges respectively as sample under investigation (SUI) is introduced to the antenna
Summary
Dielectric properties of materials are the interaction between electromagnetic energy and materials and are associated with the capability for energy storage in the electric field in the material [1]. Nelson [1] had carried out dielectric’s potential in quality sensing applications of the agricultural field and he has found that agricultural products such as moisture content and dielectric properties can be correlated well. These results provide new information concerning the frequency and temperature-dependent behaviour of the dielectric properties that may be useful in dielectric heating applications. The performance and functionality of the engine oils correlate with the viscosity, which characterizes as the parameter to describe the resistance of a fluid to gradual deformation by shear stress or tensile stress.
Sign-in/Register to view highlights & summary Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
