A Lube System Diagnostic Monitor With Deaeration Capability PUBLIC ACCESS

[+] Author Affiliations
T. Tauber, S. D’Ambrosia, F. Rudbarg

TEDECO, Glenolden, PA

Paper No. 82-GT-79, pp. V002T02A008; 6 pages
  • ASME 1982 International Gas Turbine Conference and Exhibit
  • Volume 2: Aircraft Engine; Marine; Microturbines and Small Turbomachinery
  • London, England, April 18–22, 1982
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7957-3
  • Copyright © 1982 by ASME


A high-performance, full-flow oil debris monitor with deaeration capability has been developed for the GTEC TPE331-14 and -15R turboprop engines. In an effort to systematically investigate the performance of the unit over a range of operating conditions, it was subsequently tested at flow rates from 5 to 15 gpm oil, aeration ratios of 1:1 to 1:4 and temperatures from ambient to 300° F. The effects of varying the inlet and air outlet nozzle diameters were also investigated. The air separation efficiency of the unit exceeds 99 percent. Oil separation is better than 90 percent over the range of flows and exceeds 98 percent at 10 gpm oil flow and aeration ratios of 3 and 4. At the same time, the debris capture efficiency of the unit is practically 100 percent for particle sizes of 250 microns and above at engine operating temperatures. The pressure drop for the unit is approximately 13 psi. It is demonstrated that an increase in the inlet nozzle diameter reduces the pressure drop to 10 psi or below with only negligible loss in debris capture efficiency.

Copyright © 1982 by ASME
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