Design, integration and operation of a rotating combustor-turbine-interaction test rig within the scope of EC FP7 project FACTOR

Alexander  Krumme; Marc  Tegeler; Steffen  Gattermann

doi:10.29008/ETC2019-035

13^th European Conference on Turbomachinery Fluid dynamics & Thermodynamics

Paper ID:

ETC2019-035

Main Topic:

Experimental Technique

https://doi.org/10.29008/ETC2019-035

Authors

Alexander Krumme - German Aerospace Center DLR
Marc Tegeler - German Aerospace Center DLR
Steffen Gattermann - German Aerospace Center DLR

Abstract

Following the industrial trend of increasingly integrative design and analysis of the combustor-turbine interface, the EC FP7 project FACTOR was launched many years ago. The project ended in late 2017 after successful completion of the experimental test campaign involving blank-sheet design rotating turbine rig hardware, which was assembled, integrated and op-erated in DLR's turbine test facility NG-Turb in G¨ottingen, Germany. This paper highlights the DLR contribution to FACTOR including the 1.5 stage turbine rig's mechanical design, instrumentation and integration as well as final part assembly to a working rig. Additionally, DLR was responsible for rig operation and overall measurement campaign fulfilment including the acquisition of static pressure and temperature data as well as aerother-mal 5-hole-probe traverses in different measurement planes. The implemented combustor sim-ulator created a characteristic flow profile to and through the turbine with strongly varying flow angles and temperatures, that posed a challenge for the applied measurement techniques.