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CABIN CONNECTORS AND CABLES, PART 4, STANDARD TEST METHODOLOGY

2020-07-13
CURRENT
ARINC800P4-1
ARINC 800 is the first industry standard intended for characterization of aviation-grade high-speed (Gbps) Ethernet links. The test methods are based on realistic representation of cabin networks. The notional cabling architecture is based on IFE seat distribution using multiple intermediate disconnects. Sequential testing is supported by building up number of connectors in the link. Test guidelines for mixed intermediate cable lengths are provided.
Standard

FIBER OPTIC TEST PROCEDURES

2019-01-28
CURRENT
ARINC805-5
This document defines general practices for testing the physical layer of a fiber optic cable system. It is the intention of this document to outline proven practices for engineers and technicians engaged in testing and supporting fiber optic cable systems in aircraft. This document defines general practices for testing the physical layer of a fiber optic cable system. It is the intention of this document to outline proven practices for engineers and technicians engaged in testing and supporting fiber optic cable systems in aircraft.
Video

Review of Updated Aerospace Recommended Practices ARP5061A, "Guidelines for Testing and Support of Aerospace, Fiber Optic, Inter-Connect Systems"

2012-03-12
In this presentation we will present a COTS solution for an ARINC 653 IMA based system. It will cover IMA concepts from an OS point of view and show how a platform can be built for application development. It will also cover DO-297, and how that can isolate applications for certification and test purposes and allow for easy configuration of multiple applications between different development teams. Presenter Alex Wilson, Wind River
SAE MOBILUS Subscription

Wiley Cyber Security Collection Add-On

2018-03-23
As an annual subscription, the Wiley Cyber Security Collection Add-On is available for purchase along with one or both of the following: Wiley Aerospace Collection Wiley Automotive Collection The titles from the Wiley Cyber Security Collection are included in the SAE MOBILUS® eBook Package. Titles: Network Forensics Penetration Testing Essentials Security in Fixed and Wireless Networks, 2nd Edition The Network Security Test Lab: A Step-by-Step Guide Risk Centric Threat Modeling: Process for Attack Simulation and Threat Analysis Applied Cryptography: Protocols, Algorithms and Source Code in C, 20th Anniversary Edition Computer Security Handbook, Set, 6th Edition Threat Modeling: Designing for Security Other available Wiley collections: Wiley SAE MOBILUS eBook Package Wiley Aerospace Collection Wiley Automotive Collection Wiley Computer Systems Collection Add-On (purchasable with the Wiley Aerospace Collection and/or the Wiley Automotive Collection)
Standard

AVIONICS APPLICATION SOFTWARE STANDARD INTERFACE PART 3A CONFORMITY TEST SPECIFICATIONS FOR ARINC 653 REQUIRED SERVICES

2019-07-18
CURRENT
ARINC653P3A-1C1
ARINC 653, Part 3A is the Compliance Test Specification for ARINC 653 Required Services presently defined in ARINC 653 Part 1. The document specifies a set of stimuli and the expected responses. Future work on the ARINC 653 document set includes an effort to define Operating System services for multi-core processor environments. The Compliance Test Specification is expected to be updated in step with ARINC 653, Part 1.
Standard

CABIN PASSENGER SEAT PRODUCTION TESTING

2019-12-18
CURRENT
ARINC648
This report defines the requirements and recommended practices for production testing of aircraft passenger seats and seat groups. Production testing is performed at the seat manufacturers' facilities prior to the shipment of the seats to the airframe manufacturers, Maintenance, Repair, and Overhaul (MRO), or airlines/operators for installation in the aircraft. Using this guidance, rework is minimized and schedules remain minimally affected.
Journal Article

Improving the Modelling of Dissociating Hydrogen Nozzles

2019-11-21
Abstract While the design of nozzles for diatomic gases is very well established and covered by published works, the case of a diatomic gas dissociating to monatomic along a nozzle is a novel subject that needs a proper mathematical description. These novel studies are relevant to the definition of nozzles for gas-core Nuclear Thermal Rockets (NTR) that are receiving increased attention for the potential advantages they may deliver versus current generation rockets. The article thus reviews the design of the nozzles of gas-core NTR that use hydrogen as the propellant. Propellant temperatures are expected to reach 9,000-15,000 K. Above 1500 K, hydrogen begins to dissociate at low pressures, and around 3000 K dissociation also occurs at high pressures. At a given temperature, the lower the gas pressure the more molecules dissociate, and H2 → H + H. The properties of the gas are a function of the mass fractions of diatomic and monatomic hydrogen x H2 and x H = 1 − x H2.
Journal Article

Critical Inlet Pressure Prediction for Inline Piston Pumps Using Multiphase Computational Fluid Dynamics Modelling

2021-02-15
Abstract Inline piston pumps are extensively used in aircraft hydraulic systems. They can be found in engine-driven large-sized hydraulic pumps and zonal electric motor-driven mid-small sized pumps. Inline piston pumps are positive displacement pumps with variable volumetric flow controls. Positive displacement pumps can provide a variable flow rate over a wide range of suction pressures. Aircraft fly at high altitudes, and therefore these pumps have to work in extreme conditions such as low atmospheric pressure, low temperature. At low inlet pressures, the pump is highly susceptible to cavitation, i.e., insufficient filling capacity. The pressure below which pump flow rate drops drastically is known as critical inlet pressure. Extensive research has been carried out to study cavitation in inline piston pumps.
Standard

Information Guide for Electric Motors which Drive Hydraulic Pumps

2016-04-25
WIP
AIR6855
This document provides an application guide for electric motors that drive aerospace hydraulic pumps. It provides details of the characteristics of electric motors powered by DC, Fixed Frequency AC, and Variable Frequency AC electrical systems. The applications include both military and commercial aircraft.
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.
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