Presentation Profile
Precise Determination of Dynamic and Kinematic Viscosity in Industrial Petroleum Products for Machinery Applications
Currently Scheduled: 10/11/2023 - 12:20 PM - 12:40 PM
Main Author
Raj Shah - Koehler Instrument Company, Inc.
- Vincent Colantuoni - Koehler Instrument Company Inc.
- Gabriele Gentile - Department of Chemistry, Stony Brook University, Stony Brook
- William Streiber - Koehler Instrument Company Inc.
Abstract:
Accurate measurement of dynamic and kinematic viscosity plays a vital role in assessing the quality and suitability of petroleum products intended for a wide range of industrial applications. Capillary viscometers, which exploit the gravitational force acting on fluids, enable the determination of kinematic viscosity by measuring flow time and capillary constant in a U-shaped tube, providing an intrinsic measure of a fluid's viscosity without external forces. In addition, ASTM D445 provides mathematical equations for converting kinematic viscosity values into dynamic viscosity. To ensure the precise and efficient viscosity testing of industrial petroleum products, the Koehler Instrument Company's K23900 Kinematic Viscosity Bath, in accordance with ASTM D445 and related specifications, is employed. This instrument accommodates seven capillary viscometers within a temperature-controlled bath, enabling reliable and standardized viscosity measurements.
This poster elucidates the methodology for determining viscosity in accordance with industry standards, contributing to the understanding of fluid properties for optimal machinery performance. The capillary viscometer method is employed for kinematic viscosity measurements, particularly suitable for fluids exhibiting Newtonian behavior. However, for non-Newtonian fluids, additional tests are required to determine dynamic viscosity, which can exhibit varying viscosity responses under different shear forces.
By employing the Koehler K23900 Kinematic Viscosity Bath and adhering to industry standards, precise and consistent viscosity measurements can be obtained, facilitating informed decision-making regarding the selection and application of petroleum products in machinery operations.
