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Evaluation of Coking Propensity of Aviation Lubricants Using the Single Phase Flow Technique
- Aerospace Standard
- ARP5996C
- Revised
Downloadable datasets available
Annotation ability available
Sector:
Issuing Committee:
Language:
English
Scope
This method is designed to evaluate the coking propensity of synthetic ester-based aviation lubricants under single phase flow conditions found in certain parts of gas turbine engines, for instance in bearing feed tubes. This method is applicable to lubricants with a coking propensity, as determined by this method, falling in the range 0.01 to 5.00 mg.
Rationale
The tendency of a lubricant to form deposits in an engine oil system is a critical factor that can influence engine design, performance and maintenance intervals. Therefore it is important to have an understanding of the coking propensity of the lubricant. The ARP has been revised to make the method more applicable to the use of more modern instruments and to introduce a procedure for extending the test for a further 20 hour period.
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Topic
Data Sets - Support Documents
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Issuing Committee
E-34 Propulsion Lubricants Committee
This committee encompasses lubricants for gas turbine engines, as well as aircraft gear boxes and accessories. In addition, the work of the committee encompasses lubricants for privately owned jet or turbo propeller engines that operate on synthetic lubricants.
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