Please refer to the Pure Component Property Regression Tutorial for further information about the equation forms. The parameters for the equations have been fitted to experimental data from the Dortmund Data Bank and are not those delivered by DIPPR or PPDS. Heat of vaporization calculation by the PPDS12 equation.
Surface tension calculation by the DIPPR 106 equation.Liquid dynamic viscosity calculation by the Vogel equation.Liquid density calculation by the DIPPR 105 equation.Vapor pressure calculation by the Antoine equation.The current implementation of the online-calculation presents separate pages for each of the following properties in a new window: For the future we are considering to optimize and extend this service to make it more applicable to practical engineering problems.Īs we will not be able to extend the scope of components on a cost-free basis, we are evaluating ways to provide this extended service on a pre-paid basis for registered customers. It is currently limited to five common temperature dependent properties and the components that come with the Explorer Version. A Wright Method and the Chart Blending Method Provides Cold-Cranking Simulator (CCS) and Mini- Rotary Viscometer (MRV) viscosity calculations Calculates conversions between centistokes and Saybolt or Krebs units Enables VI calculations from kinematic viscosity measurements at any two temperatures Generates kinematic viscosity interpolation reports, and displays SAE and ISO VG Lubricant Specifications tables Provides an interface for analysis of Cold-Cranking Simulator and Mini-Rotary Viscometer data Provides temperature probe constant calculations.The online calculation service on this website was started with the aim to test the potential of this kind of web tool and to retrieve some user feedback. Performs oil blending calculations using the W. The version 2 release of VISDISK has added a graphing capability and an NBS “best-fit” computation that analyzes multiple kinematic viscosity data points and selects the optimum viscosity curve for the sample data provided. Test data can also be used to generate a complete interpolation report at temperature increments specified by the user. An interpolation component calculates viscosity at any specified temperature or temperature at a desired viscosity. VISDISK facilitates calculation/verification of kinematic viscosity by providing a data table for input, and then performing complex viscosity and density calculations. VISDISK also provides supporting data analysis capability for several equipment items manufactured by CANNON, including the PolyVISC, Cold-Cranking Simulator (CCS), Bending-Beam Rheometer, and the CANNON Mini-Rotary Viscometer (CMRV). The VISDISK program brings computerized solutions to many difficult computational problems associated with kinematic viscosity determination.
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