ASTM D341 PDF

Based on ASTM D equation: [(v+)=(T+)] Fuel Oil data from CIMAC ; Ignition Index from BS MA (log is base 10), In the. ASTM D Standard Practice for Viscosity-Temperature Charts for Liquid Petroleum Products. standard by ASTM International, 07/01/. Scope ASTM Adjuncts: The kinematic viscosity-temperature charts (see Figs. 1 Adjunct D , Viscosity-Temperature Charts 1–73 and 2) covered by this .

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ASTM D / Viscosity-temperature extrapolation :: Anton Paar Wiki

By joining you are opting in to receive e-mail. Easier for you to build but not as pretty when you’re done. Size px x x x x Experimental data taken below the cloud point or temperature of crystal growth will generally not be of reliable repeatability for interpolation or extrapolation on the charts. Seven charts are available as follows: I’m remembering now given two sets of T,v you can solve the constants and plot a curve in the T,v plane which is not a straight line and read off any value you want.

The charts here presented provide a significant improvement in linearity over the charts previously available under Method D — I’m trying to basically make my own plot We are a non-profit group that run this website to share documents. Reliable data can be usefully plotted in the high temperature region even if it does exhibit some curvature.

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ASTM D341.pdf

You could take out all auto-generated gridlines and tickmarks and build your own vertical gridlines using extra series with constant values of T and your own horizontal gridlines with constant values of v. Last previous edition approved in as D —93 Reasons such as off-topic, duplicates, flames, illegal, vulgar, or adtm posting their homework.

A number in parentheses indicates the year of last reapproval. The Eng-Tips staff will check this out and take appropriate action. Please fill this form, we will try to respond as soon as possible. This form can also be used to calculate the temperature associated with a desired kinematic viscosity.

Kinematic viscosities or temperatures for other points can then astn readily calculated. Red Flag This Post Please let us know here why this post is inappropriate.

It should also be emphasized that fluids other than hydrocarbons will usually not plot as a straight line on these charts.

Qstm latter charts are not recommended for use where the most accurate interpolations or extrapolations are desired. The only problem is the axes are not v and T.

ASTM D – 17 Standard Practice for Viscosity-Temperature Charts for Liquid Petroleum Products

And while I could download the graph An American National Standard Designation: Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.

This increases the reliability of extrapolation to higher temperatures. Are you an Engineering professional? Then to read the scale you wouldn’t look at each gridline and then at the legend to figure out the values associated with the gridlines.

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We need your help! If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below. Join your peers on the Internet’s largest technical atm professional community. The constant was allowed to vary in charts published after I am beginning to think the brute force approach is going to be needed These are necessary when calculations involve kinematic viscosities smaller than 2. This test method details the standard procedure for plotting viscosity-temperature charts that 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.

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The ASTM d chart uses this scale. The ASTM Slope was originally obtained by physically measuring the slope of the kinematic viscositytemperature data plotted on the older charts given in Test Method D — The constants A and B can be evaluated for a xstm from two data points.