Results 91 to 100 of about 2,450,106 (226)

Handling Qualities Flight Testing of the Stratospheric Observatory for Infrared Astronomy (SOFIA) [PDF]

, 2011
Airborne infrared astronomy has a long successful history, albeit relatively unknown outside of the astronomy community. A major problem with ground based infrared astronomy is the absorption and scatter of infrared energy by water in the atmosphere ...
Glaser, Scott T., Strovers, Brian K.
core   +1 more source

Helicopter mathematical models and control law development for handling qualities research [PDF]

Progress made in joint NASA/Army research concerning rotorcraft flight-dynamics modeling, design methodologies for rotorcraft flight-control laws, and rotorcraft parameter identification is reviewed.
Aiken, Edwin W., Chen, Robert T. N., Lebacqz, J. Victor, Tischler, Mark B.   +3 more
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Overview of NASA PTA propfan flight test program [PDF]

The progress is covered of the NASA sponsored Propfan Test Assessment (PTA) flight test program. In PTA, a 9 ft. diameter propfan was installed on the left wing of a Gulfstream GII executive jet and is undergoing extensive flight testing to evaluate ...
Graber, Edwin J.
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Advanced periodic maintenance scheduling methods for aircraft lifecycle management [PDF]

, 2013
This paper reviews existing methods and techniques addressing the problem of maintenance support throughout the life cycle for high value manufacturing products such as aircrafts.
Fedotova, Alena, Ovsyannikov, Mikhail, Taratoukhine, Victor   +2 more
core  

Application of flight systems methodologies to the validation of knowledge-based systems [PDF]

Flight and mission-critical systems are verified, qualified for flight, and validated using well-known and well-established techniques. These techniques define the validation methodology used for such systems.
Duke, Eugene L.
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Design of ice-slab input device for aeroengine

Hangkong gongcheng jinzhan
Test of aeroengine ice ingestion is a verification item that must be passed by airworthiness certification. Ice-slab ingestion is an important part of it, which is to verify the strength of aeroengine under the expected ice absorption conditions, and is ...
WANG Di, JIN Zhengyang, XU Jianlei, LI Meichuan   +3 more
doaj   +1 more source

Airworthiness Compliance Methods for Low-Cost Wet Composite Structures in General Aviation Aircraft

Aerospace
With the continuous development of new aircraft, the application of low-cost composite materials technology still encounters numerous challenges and issues. The development of low-cost composite technology, while ensuring the high reliability of aircraft
Xiuzhi Liu, Shuang Zheng, Fengtian Yang
doaj   +1 more source

Aeronautical Engineering: A special bibliography with indexes, supplement 48 [PDF]

This special bibliography lists 291 reports, articles, and other documents introduced into the NASA scientific and technical information system in August ...

core   +1 more source

A Survey of Current Rotorcraft Propulsion Health Monitoring Technologies [PDF]

A brief review is presented on the state-of-the-art in rotorcraft engine health monitoring technologies including summaries on current practices in the area of sensors, data acquisition, monitoring and analysis.
Delgado, Irebert R., Dempsey, Paula J., Simon, Donald L.   +2 more
core   +1 more source

Civil aircraft advanced avionics architectures - an insight into saras avionics, present and future perspective [PDF]

, 2009
Traditionally, the avionics architectures being implemented are of federated nature, which means that each avionics function has its own independent, dedicated fault-tolerant computing resources.
Ananda, CM
core