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Small Business Innovation Research/Small Business Tech Transfer

Blade Vibration Measurement System for Unducted Fans

Completed Technology Project
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Project Description

Blade Vibration Measurement System for Unducted Fans
With propulsion research programs focused on new levels of efficiency and noise, there are two emerging avenues for advanced gas turbine technology: the geared turbofan and ultra-high bypass ratio fan engines. Both of these candidates are being pursued as collaborative research projects between NASA and the engine OEMs. The high bypass concept from GE Aviation is an unducted fan which features a bypass ratio of over thirty, along with the accompanying benefits in fuel efficiency. The innovation being developed in this project is improvement is the test and measurement capabilities of the unducted fan blade dynamic response. In the course of this project, Mechanical Solutions, Inc. (MSI) will work with GE Aviation to define the requirements for fan blade measurements, to leverage MSI's radar-based system for compressor and turbine blade monitoring, and to develop, validate and deliver a non-contacting blade vibration measurement system for unducted fans. More »

Anticipated Benefits

Primary U.S. Work Locations and Key Partners

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