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Wednesday, July 29, 2020 | History

3 edition of A.S.T.M. viscosity index tables found in the catalog.

A.S.T.M. viscosity index tables

American Society for Testing and Materials.

A.S.T.M. viscosity index tables

based on and amplified from A.S.T.M. Standard method for calculating viscosity index (D567-41)

by American Society for Testing and Materials.

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Published by The Society in Philadelphia .
Written in English

    Subjects:
  • Viscosity

  • The Physical Object
    Paginationiv, 31 p.
    Number of Pages31
    ID Numbers
    Open LibraryOL16899136M

    - Kinematic Viscosity - Viscosity Index - High-Temperature High-Shear Viscosity - NOACK Volatility - Four-Ball Wear Test - Cold Crank Simulator Apparent Viscosity - Borderline Pumping Temperature - Total Base Number - Total Acid Number - Foaming Tests . In recent decades, tribology field has seen a great interest in friction and wear processes occurring at the micro- and nanoscale. This interest has led to the development of a new branch of tribology focusing on the small scale phenomena – the development of this field, it became clear that the mysteries of lubrication, friction and wear at the macroscopic level can be.

    (6) viscosity @ 25 o C ( K): CRC Handbook of Chemistry and Physics, 85th Edition, David R. Lide, ed., CRC Press, Boca Raton, FL, , except as noted. cP is the abbreviation for centipoise, a standard unit of measurement for viscosity. cs is the abbreviation for centistoke, which is a measure used in viscosity cup tests; it equals. That is the input to get L and H from ASTM D table. U is the viscosity of your oil at 40 o ie ( cst in your case) L is the VI of reference oil having VI = 0 ie(You will get this from ASTM.

    Viscosity Index Viscosity Index and Composition Compositional Methods Introduction n-d-M Method Density and Viscosity Relationships: The Viscosity-Gravity Constant Refractive Index and Density: Refractivity Intercept Refractive Index and Reciprocal of Carbon Number n-d-M Method: Development NMR Spectroscopy: Background 1 H and 13 C ApplicationsPrice: $ Viscosity Tables: Viscosity is the measurement of a fluid's internal resistance to flow. This is typically designated in units of centipoise or poise but can be expressed in other acceptable measurements as well. Some conversion factors are as follows: Centipoise = 1 Poise 1 Centipoise = 1 mPa s (Millipascal Second).


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A.S.T.M. viscosity index tables by American Society for Testing and Materials. Download PDF EPUB FB2

A.S.T.M. viscosity index tables based on and amplified from A.S.T.M. Standard method for calculating viscosity index (D) by American Society for Testing and Materia Published by The Pages:   Astm Standards on Astm Viscosity Tables for Kinematic Viscosity Conversions 4th Edition ISBN ISBN Why is ISBN important.

ISBN. This bar-code number lets you verify that you're getting exactly the right version or edition of a book. The digit and digit formats both work.

The Online Books Page A. viscosity index tables, based on and amplified from A. tentative method for calculating viscosity index (D T).

The' tables in this publication permit direct reading of the viscosity index of a petroleum product or lubricant if its kinematic viscosities at 40 and °C are known. Use of these tables eliminates the calculations which would be required to determine the viscosity Size: KB. ASTM viscosity index tables, based on and amplified from ASTM standard method for calculating viscosity index (D ).

ASTM viscosity tables for kinematic viscosity conversions and viscosity index calculations. Philadelphia, (OCoLC) Document Type: Book: All Authors / Contributors: American Society for Testing and Materials. OCLC Number: Description: 60 pages 23 cm. Series Title: ASTM special technical publication, B.

American Society for Testing Materials: A. viscosity index tables, based on and amplified from A. tentative method for calculating viscosity index (D T)(Philadelphia, Pa., American society for testing materials, [?]), also by Garland Hale Barr Davis, Ernest Woodward Dean, and Standard Oil Development Company (page images at HathiTrust).

D Viscosity Extrapolation Tables to Zero Degrees Fahrenheit (SSU) D Pictorial surface preparation standards (book) D Standard Reference Photographs D Appearance ratings (2 photos) D Cabinet used in grading cotton yarn (6 drawings); spun yarn appearance standards (6 photos) D Nomograph for reading viscosity index.

Standard practice for calculating viscosity index from kinematic viscosity at 40 and °C Calculator for viscosity index (VI) according to ASTM D and ISO   The viscosity index has formed part of many other proposals to determine the viscosity such as the viscosity slope number, the viscosity gradient, the viscosity–gravity constant and the viscosity–temperature number just to name a few, and survived to present times to become one of the key parameters of determining the lube quality as summarized in Table 1.

Equations are provided for calculating viscosity index for petroleum products having kinematic viscosities above 70 mm2/s (cSt) at °C. NOTE 2—1 cSt = 1 mm 2/s=10−6m /s. In cases where kinematic viscosity data are not avail-ableattemperaturesof40and°C,anestimatemaybemade of the viscosity index by calculating the kinematic.

Viscosity index 3 is an empirical number and is calculated from the found the variations shown in Table II. He thus found an overall difference T able II.

B.S.S. Visco- Difference, moter No. per cent. 2 + 3a 3b + 3c of per cent. Another worker arrived at a figure of per cent, when.

First, let’s talk about kinematic viscosity. It’s a measure of a fluid’s internal resistance to flow and shear under the force of gravity. It’s the most common unit of measure for viscosity and is expressed in cenistokes (cSt).

Usually, these are tested at °40 and ° Celsius and are almost always shown on product data sheets. This practice does not apply to petroleum products with kinematic viscosities less than mm²/s at °C. Table 1 given in this practice applies to petroleum products with kinematic viscosities between 2 mm²/s and 70 mm²/s at °C.

Equations are provided for calculating viscosity index for petroleum products having kinematic viscosities above 70 mm²/s at °C. The viscosity index (VI) is an arbitrary, unit-less measure of a fluid's change in viscosity relative to temperature change. It is mostly used to characterize the viscosity-temperature behavior of lubricating lower the VI, the more the viscosity is affected by changes in temperature.

Y = kinematic viscosity at °C of the oil whose viscosity index is to be calculated, mm2/s, and H = kinematic viscosity at 40 °C of an oil of viscosity index having the same kinematic viscosity at °C as the oil whose viscosity index is to be calculated, mm2/s. If U > H, calculate the viscosity index, VI, of the oil as follows.

Tables of recommended values for the viscosity of common gases as a function of temperature. Books. Download Paper. Local Download. Keywords. Dilute gas, Viscosity. Thermochemical properties. Created June 6,Updated. Chapters Table of contents (13 chapters) About About this book; Table of contents.

Search within book. Viscosity index improvers and thickeners. Stambaugh. Pages Miscellaneous additives. Crawford, A. Psaila This book aims to bring together this chemical information and present it in a practical way. It is written by. Kinematic viscosity at 40 °C and °C - low-shear viscosity - determined according to ASTM D, where the alternative method according to ASTM D delivers comparable results.

High-shear viscosity (10/s) at high temperature of °C - HSHT viscosity - determined according to ASTM D, CEC LA (ASTM D ) or ASTM DS Viscosity is determined by creating friction between the molecules from fluid movement.

The higher the intermolecular friction (longer molecular chains), the higher the viscosity. Viscosity determines film thickness and film strength in machines. It also influences other important factors such as those in the table.

This is a petroleum based oil of the lowest viscosity of all six, containing small amounts of esters as additives. Oil F is a hydrocarbon synthetic lubricant with no additives. Its viscosity is somewhat less than that of oil A. The kinematic viscosity at 40°C and at °C and the density of the six lubricants are given in Table .corresponding brackets.

For example, ISO viscosity grade 32 relates to the viscosity bracket to mm2/s, the mid point of which is mm2/s.

This is illustrated in the table below, which shows the ISO viscosity grade numbers, the mid-points of each bracket, and the viscosity limits.Viscosity Index Crude Source Typical Viscosity Index Range Pennsylvania North Sea West Texas 45 North Slope (Alaska) California Honey osity – (SSU) Antifreeze osity – (cSt) Temperature – 0F Temperature – 0C The chart below shows the viscosity index for some common crude oil sources.

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