LPT Inject - Reduction of Tip Leakage Losses of Low Pressure Turbines by Applying Passive Flow Injection

Project: Research project

Project Details

Description

Two university institutes as well as an Austrian supplier of the aeronautics industry join their
forces to achieve the objectives of the proposed project LPT-INJECT. Passive blade tipinjection,
recently developed by the Institute of Energy Systems and Thermodynamics, is a
novel innovative method to reduce tip-leakage losses in uncooled axial turbine blade rows.
The proposed project should answer the question, if passive blade tip-injection can be
applied successfully to high speed low-pressure turbines for geared turbofans. Preliminary
investigations have already been performed in the project MICROSHROUD. It is the main
objective to achieve a weight reduction of the low-pressure turbine blade shrouds without any
efficiency penalty due to increased tip-leakage losses.
StatusFinished
Effective start/end date1/04/1431/03/15