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Full Fairing Rotor Head Aerodynamic Design Optimization

Total Cost €


EC-Contrib. €






Project "FURADO" data sheet

The following table provides information about the project.


Organization address
address: Arcisstrasse 21
postcode: 80333

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Germany [DE]
 Project website
 Total cost 399˙000 €
 EC max contribution 399˙000 € (100%)
 Programme 1. H2020-EU. (IADP Fast Rotorcraft)
 Code Call H2020-CS2-CFP01-2014-01
 Funding Scheme CS2-IA
 Starting year 2016
 Duration (year-month-day) from 2016-03-01   to  2020-02-29


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

The project is aimed on the numerical design optimization and flow analysis of a semi-watertight full fairing rotor head with respect to drag reduction of a compound helicopter configuration, namely the Low Impact, Fast and Efficient Rotorcraft (LifeRCraft) demonstrator. It has been shown that fully fairing the structural components of the rotor head as a whole provides significant drag reduction potential. The project first phase concentrates on the method development for all consecutive steps. This includes enhancing the existing CFD and optimizer software to be able to automatically optimize the fairing geometries. The software functionality is demonstrated by performing computations of the rotor head blade sleeve fairings, the full-fairing beanie and the pylon fairing for a series of simplified flow conditions. The second phase of the project is dedicated to pre-development of potential rotor head full fairing configurations. A special focus is on preliminary optimisations of the blade sleeves, beanie and hub fairing for forward flight conditions with a non-spinning rotor head. The following development phase addresses two tasks. The first task comprises a refined aerodynamic optimization of promising full fairing configurations under the effect of rotor rotation. Flow conditions inside the fairing are also thermically analyzed to avoid any overheating of components. The second task is on wake flow analysis of the drag-reducing full fairing geometries performing high precision aerodynamic simulations. Strong unsteady airloads on the empennage due to the rotor head wake must be avoided to ensure proper flight dynamics and structural integrity. Consequently, the project results in a seamless integration of the developed software tools into the topic leaders work flow. The complex, CPU-intensive CFD simulations establish a sound data base for full fairing rotor head design and analysis which is not available today.


List of deliverables.
Project webpage accessible to the public Websites, patent fillings, videos etc. 2019-05-30 13:57:56

Take a look to the deliverables list in detail:  detailed list of FURADO deliverables.


year authors and title journal last update
List of publications.
2018 P. Pölzlbauer, D. Desvigne, C. Breitsamter
Performance improvement of a compound helicopter rotor head by aerodynamic shape optimization
published pages: , ISSN: , DOI:
31st Congress of the International Council of the Aeronautical Sciences Every two years 2019-05-22
2019 P. Pölzlbauer, C. Breitsamter, D. Desvigne
Performance improvement of a compound helicopter rotor head by aerodynamic design optimisation of a blade-sleeve fairing
published pages: 1-20, ISSN: 0001-9240, DOI: 10.1017/aer.2018.172
The Aeronautical Journal 2019-05-22
2018 P. Pölzlbauer, D. Desvigne, C. Breitsamter
Aerodynamic design optimization of a helicopter rotor blade-sleeve fairing
published pages: , ISSN: 1869-5582, DOI: 10.1007/s13272-018-0341-0
CEAS Aeronautical Journal 2019-05-22

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The information about "FURADO" are provided by the European Opendata Portal: CORDIS opendata.

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