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Records 311 to 315 of 733

Title: Analysis of Dissipation of Gaseous Extinguisher Agents in Ventilated Compartments
Author: Thor I. Eklund
Abstract: A perfect stirrer model was used to analyze the concentration decay of extinguisher agents in ventilated compartments. The exponential decay curves were integrated over time to yield dosages. In this way, extinguisher agent weights, compartment volumes, and ventilation rates were matched against allowable agent doses to yield selection nomographs for halon 1211, halon 1301, and carbon dioxide. The model predictions were compared with experimental data, and the concept of an effective air-change time was developed for practical application.
Report: DOT/FAA/CT-83/1 Pages: 28 Size: 924 KB
Title: Crashworthiness: An Illustrated Commentary On Occupant Survial In General Aviation Accidents
Author: William R. Kirkham, S. Marlene Wicks, Donald Lee Lowrey
Abstract: As the title implies, this is an illustrated commentary on crash survival in general aviation aircraft. Photographs, drawings, and discussion present some basic concepts of crash forces; mechanisms of injury to occupants; and the role of shoulder harnesses, lapbelts, and seats in attenuating crash forces. Findings in a number of accidents relate seats and restraints to the fate of the occupants.

This report is designed to inform the reader of the value of good restraints in crashes of general aviation aircraft. Also it will serve to orient Federal Aviation Administration (FAA) personnel and others to a set of projection slides that may be used wholly or in part in safety presentations to pilots and aviation. groups. The projection slides, duplicates of the photographs and. drawings in this report, are available from the Aeromedical Education Branch of the FAA Civil Aeromedical Institute.
Report: FAA-AM-83-8 Pages: 40 Size: 12.6 MB
Title: An Assessment of Coorelations Between Laboratory and Full-Scale Experiments for the FAA Aircraft Fire Safety Program, part 6: Reduced-Scale Modeling of Compartments at Atmospheric Pressure
Author: W.J. Parker
Abstract: The temperature, heat fluxes, air velocities, and times to flashover were compared between a number of previously reported full � and � reduced-scale room fire tests. The model tests were usually similar but somewhat less severe than their full-scale counterparts. A simplified analysis is presented to account for the lower temperatures observed in the models. Some recommendations are made with regard to physical modeling of the aircraft postcrash fires.
Report: NBSIR-82-2598 Pages: 57 Size: 2.10 MB
Title: Fire Containment Characteristics Of Aircraft Class D cargo Compartments
Author: David R. Blake, Richard G. Hill
Abstract: Eighteen tests were conducted in a 640-cubic foot simulated class D cargo compartment test article. Various ceiling lining materials, cargo loading configuration, air leakage rates, and fire sources were examined in a effort to determine the conditions in this project passed the requirements of FAR 25.853 and 25.855 (vertical and forty-five degree Bunsen burner lab tests); however, they did not always successfully contain the cargo fires. The major conclusion of this study is that FAR 25.853 and 25.855 do not insure adequate burn-through resistance of class D cargo liners subjected to realistic fires.
Report: DOT/FAA/82-156 Pages: 36 Size: 817 KB
Title: High Temperature Surface Ignition Test Apparatus For Fluids
Author: Leo Parts, Richard Olt
Abstract: A high temperature surface ignition test apparatus has been designed, fabricated, and performance-tested. It was designed to determine ignition temperatures and to observe flame propagation character tics of aircraft fluids at temperature ranging up to 1649 degree C (3000F). A resistance-heated graphite element functions as the hot surface. Its temperature is controlled by electrical power input. The graphite heater simulates graphite composite brake surfaces in high performance aircraft. Results of ignition composite brake surfaces in high performance aircraft. Results of ignition tests with presently used and developmental fluids are presented.
Report: FSR-0128 Pages: 40 Size: 2.89 MB

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