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Normal vortex interaction with a loaded symmetrical blade

Doolan, C.J.; Coton, F.N.; Galbraith, R.A.McD. (1999)

Active vibration control for the Kazan Ansat

Kindereit, B.; Bachmeyer, P.; Bondoux, A.; Swanson, D.; Bushuev, A. (2018)

This paper presents a high-level overview of the implementation and the results of LORD�s OMNI Active Vibration Control System (AVCS) on Russian Helicopter�s Ansat helicopter platform as well as a brief description of ...

Development of a civil light helicopter flight simulator for pilot training

Kazenmaier, U.; Gerboni, C.A.; Geluardi, S.; Olivari, M.; Richter, T.; Fichter, W.; Bülthoff, H.H. (2018)

This paper aims at defining the necessary characteristics to develop a reliable and cheap helicopter flight simulator that could be used in flight schools for pilot training. The main contribution is the definition of ...

Initial progress in developing a predictive simulation tool to inform helicopter ship operations

Memon, W.A.; White, M.D.; Owen, I. (2018)

The study presented in this paper is part of the project underway at the University of Liverpool (UoL) to develop a high-fidelity simulation tool that has a predictive capability to inform and support Ship Helicopter ...

Cabin safety sensitivity to the mechanical parameters of the main crashworthy stages

Astori, P.; Ramachandran, T. (2018)

Crashworthy helicopters have energy absorbing concepts introduced into seats, subfloor and landing gears. These stages are always passive systems, usually triggered by a load level, and develop pre-set responses independently ...

Embedding intelligent image processing algorithms: The new safety enhancer for helicopters missions

Zoppitelli, P.; Mavromatis, S.; Sequeira, J.; Anoufla, G.; Belanger, N.; Filias, F.X. (2018)

Over the last two decades, image processing technologies rapidly emerged from the shadows to become one of the most important field of interest in computer science. Although image analysis is a hot topic in the automobile ...

SkyFlight Mobile: A service to enhance the Leonardo flying experience

De Bernardi, S.M.; Ferroni, M. (2018)

In recent years, the usage of Electronical Flight Bags (EFBs) has significantly increased to assist pilots in their operations. While initially used as a means of storing, updating and consulting the Aircraft Manuals and ...

The elevated helipads � Study of wind and rotor wash influence for most common configuration types

Dziubi?ski, A.; Sieradzki, A.; Żurawski, R. (2018)

Problem of lack of possible places to build new buildings is well known in modern cities. When it concerns helipads, which need large area to be placed and also it have to be carefully checked, how surroundings is influencing ...

An Objective Assessment Tool (gOAT) of helicopter pilot�s performance

Kopyt, A.; Bibik, P.; Świętoń, G. (2018)

In this research an Objective Assessment Tool (gOAT) is presented. The main idea of the system is to develop a tool that provides more detailed information about the pilots� performance. The gOAT system bases on the Mission ...

Unsteady aerodynamic interaction between rotor and ground obstacle

Jian Feng Tan; Yi Ming Sun; Tian Yi Zhou; Barakos, G.N.; Green, R.B. (2018)

The mutual aerodynamic interaction between rotor wake and surrounding obstacles is complex, and generates high compensatory workload for pilots, degradation of the handling qualities and performance,and unsteady force on ...

Research on vision system for degraded visual environment

Funabiki, K.; Tsuda, H.; Tawada, K.; Hasebe, K. (2018)

JAXA (Japan Aerospace Exploration Agency) has been conducting a research project named SAVERH (Situation Awareness and Visual Enhancer for Rescue Helicopter) since 2008. SAVERH aims at inventing a method of presenting ...

Model predictive motion cueing for a helicopter hover task on an 8-dof serial robot simulator

Drop, F.M.; Olivari, M.; Geluardi, S.; Katliar, M.; Bülthoff, H.H. (2018)

Motion cueing for helicopter hover is difficult: small simulators require considerable attenuation, rendering motion cues not useful for stabilization, and large simulators are typically not cost effective. Industrial ...

Predictive maintenance for helicopter from usage data: Application to main gear box

Daouayry, N.; Maisonneuve, P-L; Mechouche, A.; Scuturici, V-M.; Petit, J-M. (2018)

The Main Gear Box (MGB) is a central mechanical unit of the helicopter and is a very highly monitored system. For years, optimizing the maintenance of a MGB is a challenging problem. In this paper we develop a visual method ...

Wind turbine wakes and helicopter operations - An overview of the GARTEUR HC-AG23 activities

Bakker, R.; Visingardi, A.; Wall, B.G. van der; Voutsinas, S.; Basset, P.-M.; Compagnolo, F.; Pavel, M.; Barakos, G.; White, M. (2018)

The effects of a wind turbine wake on General Aviation and the behaviour of helicopters in the tip vortex of large fixed-wing aircraft has been topic of research in the past years, but less is known about the interactions ...

Experimental investigation of the effects of different helicopter rotor tip geometries on aerodynamic performance and tip vortex characteristics

Uluocak, S.; Hazaveh, H.A.; Percin, M.; Akpolat, M.T.; Uzol, O (2018)

In this study, the effects of different tip geometries (rectangular, anhedral, swept-tapered and swept-tapered-anhedral) on the rotor hover performance and tip vortex characteristics are investigated experimentally. A ...

Evaluation of rotor blade models for rotor outwash

Rovere, F.; Morelli, U.; Steijl, R.; Barakos, G.N.; Vigevano, L. (2018)

In this work Computational Fluid Dynamics is used as a tool for rotor outwash evaluation. The paper concentrates on the validation of the method, presents different modelling approaches and concludes with suggestions on ...

Experimental and numerical investigation of near-field rotor aeroacoustics

Stepanov, R.; Pakhov, V.; Bozhenko, A.; Batrakov, A.; Kusyumov, A.; Mikhailov, S.; Barakos, G.N. (2018)

This work presents comparisons between experimental and numerical estimates of near-field rotor aeroacoustics in hover. The experiments took place at the Kazan National Research Technical University named after A. N. Tupolev ...

An examination of hydrogen fuel cells and lithium-ion batteries for electric vertical take-off and landing (EVTOL) aircraft

Ng, W.; Datta, A. (2018)

The primary drawback of electric vertical take-off and landing (eVTOL) aircraft is their poor range and endurance with practical payloads. The objective of this paper is to examine the use of hydrogen fuel cells to overcome ...

Determining a safe-distance guideline for helicopters near a wind turbine and wind park

Bakker, R.; Geest, P. van der (2018)

The Netherlands Aerospace Centre (NLR) was tasked to support the (former) Netherlands Ministry of Infrastructure and Environment to define a safe distance guideline for helicopters with respect to wind turbine parks. In ...

Investigation of optic flow, time-to-intercept, and pilot workload during aggressive approach to hover maneuvers

Bachelder, E.; Godfroy-Cooper, M.; Aponso, B.; Blanken, C.; Berger, T. (2018)

This work proposes a novel relationship between pilot workload and optic flow during visual approach-to-land maneuvers. A simulation experiment was conducted at NASA Ames Vertical Motion Simulator (VMS) to evaluate the ...

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