Among petroleum products, viscosity constitutes a critically important characteristic of lubricating engine oils. ASTM's petroleum standards are instrumental in the evaluation and assessment of the physical, mechanical, rheological, thermal, and chemical properties of crude oils, lubricating grease, automobile and aviation gasoline, hydrocarbons, and other naturally occurring energy resources used for various industrial applications. Crude oil is a complex mixture of various components. This created, by the middle of the 20th Century, ASTM standards for the viscosity of petroleum products (Johnson & Auth, 1951).
The viscosity of the gas saturated oil is found as a function of dead oil viscosity and solution gas-oil ratio (GOR). Figs. 1.1 This practice covers kinematic viscosity-temperature charts (see Figs. Procedure A is applicable to petroleum products of viscosity index up to and including 100. Petroleum and Derivates Viscosity Understanding the physical properties of fluids used in various applications within the oil and gas industry is important. Viscosity, in particular, has … Depending on its geographic origin, … Taking into account the range of applications for petroleum products, from gasoline to heavy residue, viscosity / resistance to flow became important quantities in usage.
Petroleum products — Calculation of viscosity index from kinematic viscosity 1 Scope This International Standard describes two procedures for calculating the viscosity index (VI) of petroleum products and related materials, such as lubricating oils, from their kinematic viscosities at 40 °C and 100 °C.
3 and 4 summarize all of the dead oil viscosity correlations described in Tables 2 and 3. Viscosity of liquids is usually measured in terms of kinematic viscosity, which is defined as the ratio of absolute (dynamic) viscosity to absolute density (ν = μ/ρ). 1 and 2), which are a convenient means to ascertain the kinematic viscosity of a petroleum oil or liquid hydrocarbon at any temperature within a limited range, provided that the kinematic viscosities at two temperatures are known. 749 viscosity of petroleum products products are offered for sale by suppliers on Alibaba.com A wide variety of viscosity of petroleum products options are available to you, There are 744 suppliers who sells viscosity of petroleum products on Alibaba.com, mainly located in Asia. Undersaturated oil viscosity is determined as a function of gas saturated oil viscosity and pressure above saturation pressure. ISO 2909:2002 describes two procedures for calculating the viscosity index (VI) of petroleum products and related materials, such as lubricating oils, from their kinematic viscosities at 40 °C and 100 °C.
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