Skip to Main content Skip to Navigation
Conference papers

In-flight piv for cror flight test demonstration

Abstract : Designing innovative solutions for future aircraft is one the concerns of aeronautical engineers. Among the studied technologies, Counter Rotating Open Rotor (CROR) propeller technologies are appearing as a promising, though highly challenging, alternative solution to Ultra High Bypass Ratio (UHBR) engines. Amongst these challenges, the interaction of the wake of the CROR engine pylon with the counter rotating blades, positioned downstream of the pylon (pusher configuration), are responsible for both airframe noise and vibrations that penalize aircraft certification. ‘Erasing’ the pylon wake such as to recover a strictly uniform flow upstream of the rotating blades would suppress this major source of airframe noise and vibrations. The current study is put forward in that context and is part of a project funded by the European Commission through the Cleansky/FP7/SFWA (Smart Fixed Wing Aircraft) Demonstrator program. In the first part of the project, an optimal design of the pylon, associated with advanced flow control strategies, has been proposed. The current study aims at developing an advanced experimental methodology, based on vibration-controlled stereoscopic Particle Image Velocimetry (3C-PIV), able to be flight-operated and that will serve the validation of the above mentioned active flow control system when operated on the Flying Test Bench. This article deals particularly with the characterization of the limits of the vibration spectrum acceptable by the on-board PIV subsystems and with the design of a system to lessen potentially harmful vibrations.
Document type :
Conference papers
Complete list of metadatas

Cited literature [7 references]  Display  Hide  Download
Contributor : Open Archive Toulouse Archive Ouverte (oatao) <>
Submitted on : Monday, July 16, 2018 - 2:16:40 PM
Last modification on : Wednesday, June 24, 2020 - 4:18:55 PM
Long-term archiving on: : Wednesday, October 17, 2018 - 2:52:35 PM


Files produced by the author(s)


  • HAL Id : hal-01840447, version 1
  • OATAO : 16238


Valérie Pommier-Budinger, Yannick Bury, Guilhem Michon, Gael Napias. In-flight piv for cror flight test demonstration. 32nd AIAA Aerodynamic Measurement Technology and Ground Testing Conference, AIAA AVIATION Forum, Jun 2016, Washington, United States. pp.1-11. ⟨hal-01840447⟩



Record views


Files downloads