SAE ARP5921
Current
The latest, up-to-date edition.
Evaluation of Coking Propensity of Aviation Lubricants in an Air-Oil Mist Environment using the Vapor Phase Coker
Hardcopy , PDF
English
03-04-2014
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1 SCOPE
2 APPLICABLE DOCUMENTS
3 WARNING
4 APPARATUS
5 REAGENTS AND/OR MATERIALS
6 PREPARATION AND ASSEMBLY
7 PROCEDURE
8 CALCULATIONS AND REPORT ITEMS
9 NOTES
APPENDIX A - PART SCHEMATICS
Estimates the coking propensity of synthetic ester-based aviation lubricants under two phase air-oil mist conditions as found in certain parts of a gas turbine engine, for instance, bearing chamber vent lines.
| DocumentType |
Standard
|
| Pages |
11
|
| PublisherName |
SAE International
|
| Status |
Current
|
This method is designed to evaluate the coking propensity of synthetic ester-based aviation lubricants under two phase air-oil mist conditions as found in certain parts of a gas turbine engine, for instance, bearing chamber vent lines. Based on the results from round robin data in 2008–2009 from four laboratories, this method is currently intended to provide a comparison between lubricants as a research tool; it is not currently a satisfactory pass/fail test. At this juncture a reference oil may improve reproducibility (precision between laboratories); a formal precision statement will be given when there is satisfactory data and an agreed on, suitable reference oil if applicable.
| SAE AS5780D | Specification for Aero and Aero-Derived Gas Turbine Engine Lubricants |
| SAE ARP5088B | Test Method for the Determination of Total Acidity in Polyol Ester and Diester Gas Turbine Lubricants by Automatic Potentiometric Titration |
| SAE AMS5567F | Steel, Corrosion Resistant, Seamless or Welded Hydraulic Tubing 19Cr - 10Ni (304) Solution Heat Treated |
| SAE AMS5560N | Steel, Corrosion Resistant, Seamless Tubing 19Cr - 10Ni (304) Solution Heat Treated |
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