Results 291 to 300 of about 1,064,749 (319)
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US Army Composite Repair Standardization
Proceedings of the Vertical Flight Society 72nd Annual Forum, 2016This paper explores the need for the US Army to standardize repair of composite aircraft structure. The paper includes a discussion of the needs for standardization as well as historical attempts and current plans.
D. Stone, K. Marshall, Nbsp
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Proceedings of the Vertical Flight Society 72nd Annual Forum, 2016
In this paper, the best actuation schedules exploiting various waveform types are sought taking advantage of the global search algorithm for the reduction of the power required and/or hub vibration of a rotor in high speed forward flight.
Y. You, Sung-Ryng Jung, Nbsp
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In this paper, the best actuation schedules exploiting various waveform types are sought taking advantage of the global search algorithm for the reduction of the power required and/or hub vibration of a rotor in high speed forward flight.
Y. You, Sung-Ryng Jung, Nbsp
semanticscholar +1 more source
Closing the Gap between Capability and Affordability for System Upgrades and Major-Modifications
Proceedings of the Vertical Flight Society 72nd Annual Forum, 2016The helicopter community and the US Army are constantly looking to expand the horizon of capability for future fleet. The Future Vertical Lift (FVL) program looks to use new technology, advanced materials, and designs to deliver a system that can fly ...
S. Ashok +3 more
semanticscholar +1 more source
Standardization of Rotorcraft Guidelines for Quantitative Risk Assessment
Proceedings of the Vertical Flight Society 72nd Annual Forum, 2016Sikorsky Aircraft Corporation (SAC) uses Quantitative Risk Assessment (QRA) to accurately predict future risk by first analyzing the risk without corrective action (uncorrected risk), and then analyzing the risk with specific mitigating actions ...
Gary D. Braman, J. Hewitt, Nbsp
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Development of an Active Spinal Support System for Reducing Lumbar Loading from Body Borne Equipment
Proceedings of the Vertical Flight Society 72nd Annual Forum, 2016The weight of equipment bearing on the upper torso of soldiers and aviators has increased substantially over the past several decades. This increased weight of torso-supported equipment can significantly increase the chances of acute injuries during ...
Nbsp +5 more
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A Space-Time Accurate Finite-State Inflow Model for Aeroelastic Applications
Proceedings of the Vertical Flight Society 72nd Annual Forum, 2016Dynamic wake inflow modelling is one of the main issues in the development of efficient and high-fidelity simulation tools for design of new generation rotorcraft.
M. Gennaretti +5 more
semanticscholar +1 more source
Contactless Rotor Flapping Sensor Design, Implementation and Testing
Proceedings of the Vertical Flight Society 72nd Annual Forum, 2016The present contribution aims at providing a comprehensive illustration of a structured approach to the design, implementation and testing of a new rotor state measurement system for rotorcraft applications.
A. Cigada +16 more
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Overview of RCAS Capabilities, Validations, and Rotorcraft Applications
Proceedings of the Vertical Flight Society 71st Annual Forum, 2015This paper presents an overview of the Rotorcraft Comprehensive Analysis System (RCAS) capabilities, recent enhancements, and validations and also demonstrates RCAS' application to practical rotorcraft problems.
H. Saberi +5 more
semanticscholar +1 more source
Proceedings of the Vertical Flight Society 71st Annual Forum, 2015
Modern aerodynamic analysis tools such as free wake models and CFD-based techniques, include fewer theoretical limitations and approximations than classical-simplified schemes, and represent the state-of-the-art in rotorcraft aerodynamic modeling ...
O. Rand +6 more
semanticscholar +1 more source
Modern aerodynamic analysis tools such as free wake models and CFD-based techniques, include fewer theoretical limitations and approximations than classical-simplified schemes, and represent the state-of-the-art in rotorcraft aerodynamic modeling ...
O. Rand +6 more
semanticscholar +1 more source
Proceedings of the Vertical Flight Society 74th Annual Forum, 2018
The primary purpose of the paper is to describe the safety considerations used to define the airworthiness requirements incorporated into the AW609 certification basis and how this forms the basis for airworthiness standards for a new powered-lift ...
W. Fraser +5 more
semanticscholar +1 more source
The primary purpose of the paper is to describe the safety considerations used to define the airworthiness requirements incorporated into the AW609 certification basis and how this forms the basis for airworthiness standards for a new powered-lift ...
W. Fraser +5 more
semanticscholar +1 more source