Modification of Existing Laboratory Sensor Rig to Accommodate Debris Sensors


  1. KarisAllen, K.J.
Corporate Authors
Defence R&D Canada - Atlantic, Dartmouth NS (CAN);FACTS Engineering Inc., Halifax, NS (CAN)
DRDC Atlantic has embarked on a program for the evaluation of existing technologies, as well as the development of new technologies, for application in platform specific health monitoring systems. The current study is focused on the integration and evaluation of sensors capable of detecting ferrous and non-ferrous wear debris entrained within engine lubricant streams using the DRDC oil condition monitoring test system. A sliding wear debris generator has been designed and incorporated into the laboratory based oil sensor evaluation system to provide particle morphologies consistent with that expected from field applications for the technology. A computer based software suite has been developed for controlling the hardware, displaying the real-time sensor data, and data storage. Preliminary tests were conducted to verify the functionality of the oil condition simulator and wear debris generator systems. Several wear cartridge tip configurations were tested to determine the particle size distribution associated with the designs. Test results indicate proper functionality of the mechanical, electronic, and software systems designed and integrated into the oil sensor evaluation system. The slotted, round bevelled tip wear cartridges generated approximately 300-500 particles over a two hour test period, with particle size distribution ranging between 100 and 850 microns. This was consistent with the target particle generation rate and size distribution required.

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Report Number
DRDC-ATLANTIC-CR-2009-113 — Contractor Report
Date of publication
01 Sep 2009
Number of Pages
Electronic Document(PDF)

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