Overview
ULB-ATM adapted its current test benches for lubrication equipment to the new requirements imposed by the CROR application. The lubrication equipment to be tested were lubrication pumping units (one at a time or several together), oil tanks, heat exchangers and various associated components as filters, valves and other accessories like sensors or monitoring devices.
All tests will be performed with the double objective of validating the design of the lubrication components as well as characterising their performance with the qualification requirements in mind.
ULB-ATM has already obtained the qualification of its test benches from Techspace Aero for his "clean oil" lubrication test bench and his "polluted oil" test bench.
Funding
Results
Executive Summary:
The global objective of LuBest was to upgrade the aero-engine lubrication test bench ATM-01 of ULB to an oil pressure of 27 bar and an oil temperature of at least 200°C with a standard engine oil Jet Oil Type II or an upgraded oil called HTS (High Thermal Stability). This should first be done for pure oil flow conditions but also, after that, for air-oil (2-phase) flow conditions that are representative of real lubrication systems of new and future turbofans and turboprops (as the Open Rotor Engines, UHBPR or Geared Turbofans GTF). This upgrade of the ULB lubrication test bench must be validated with tests of oil pumps in test conditions that are representative of modern and future aero-engines.
Phase 1 of the project was with pure lubrication oil and must be validated through characterisation and endurance testing of typical aero-engine lubrication feed pumps in unpreceded working conditions (for oil pressure, temperature, and mass flow rate).
Phase 2 of the project was with two-phase flow conditions (oil and air in various mixture ratios) and must be validated through characterization and endurance testing of typical aero-engine oil scavenge pumps. Innovative oil pump configurations must also be tested in the frame of this LuBest project.