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Considerations for future more electric aircraft electric power systems

2011-05-06
WIP
AIR6198
This activity is focused on more electric and all electric type power systems for air vehicles. The scope of which includes source, distribution and user contributions to electrical power quality, failure modes, coordination, system reliabilty and robustness, impacts of being flight critical and the gaps which exist in present standards and guidance documents.
Standard

Nitrogen Absorption/Desorption (Gas Dissolution) in Aircraft Shock Absorbers

2019-04-18
WIP
AIR6942
This document outlines the current state of the art in the understanding of gas in solution in shock absorber oils in unseperated shock absorbers. A literature review, overview of Henry's law, Henry's law coefficients for known gas and oil couples, in-service operational problems, lessons learned, and potential future work will be discussed in the document.
Standard

Landing Gear Based Weight and Balance Systems

2019-04-18
WIP
AIR6941
This document outlines historical systems which have used the landing gear as a sensor or installation point for full aircraft weight and balance systems. A number of systems have been developed, installed, certified, and placed in service but few systems remain in regular use. The document will capture the history of these systems, reasons (where known) for their withdrawal from service, and lessons learned.
Standard

Runway Condition Monitoring Systems

2022-04-13
WIP
AIR6697
This report will document Runway Condition Monitoring systems that provide information intended to reduce or eliminate aircraft runway excursions or overruns that may occur as a result of poor runway conditions.
Standard

SAFE-LIFE LIMITS FOR LANDING GEAR STRUCTURES

2018-04-26
WIP
AIR6949
This document describes the approaches taken to define safe-life limits for the management of fatigue in landing gear structures, and the substantiation of those limits through full-scale fatigue testing. The safe-life scatter factors considered in a range of military and civil regulatory standards are also reviewed.
Standard

Aerospace Epoxy Technologies

2019-04-05
WIP
AIR7993
To detail the different epoxy types available for different aerospace applications which require different temperature ranges. Explain incoming/final inspection requirements and storage requirements. Examine the epoxy chemical make up with explanations of purpose in performance.
Standard

Advanced methods for Wire Selection and Sizing for Aerospace applications

2019-05-30
WIP
AIR7497
This SAE Aerospace Information Report is intended to provide advanced methods for wire selecting and sizing in aerospace application as a continuation of AIR6540, Fundamentals in Wire Selection and Sizing for Aerospace Applications. Also, it will provide valuable information for the electrical design engineer to verify the proper wire selection and validate a set of system design requirements which includes meeting environmental and installation constraints.
Standard

Aerospace Electrical Power System Stability

2018-09-10
WIP
AIR8445
EPS stability is an essential property that defines EPS ability to provide secure operation under required range of operation scenario. Power system stability is defined as “the ability of an electric power system, for a given initial operating condition, to regain a state of operating equilibrium after being subjected to a physical disturbance, with most system variables bounded so that practically the entire system remains intact”. This is applicable for AC and DC systems and has to address steady state conditions, transient conditions as well as high power loads connection / disconnection on the network.
Standard

FIBER OPTIC DESIGN GUIDELINES FOR AEROSPACE

2018-10-18
WIP
AIR8448
This document provides guidance on key areas of system design to achieve high performance and high reliability for mission critical aerospace systems and platforms. The fundamental element of a reliable, functional aerospace fiber optic application is the system design. It is the system designers’ task to define the methods, components, installation and processes supporting the transmission of the optical signal through the platform, while providing a physical layer with the necessary performance, reliability, and readiness for the application.
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