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Measurement of Dynamic Reactions in Passenger Seat Legs
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English
Abstract
The dynamic impact test of a section of passenger airplane fuselage provided an opportunity to measure the loads transferred to an airplane floor by the passenger seat legs. Since placement of a force transducer between the seat legs and the aircraft floor could not be done without adversely affecting the validity of the measurements, it was necessary to develop an alternative instrumentation technique. The method chosen was to install strain gages on the legs of the seats and to calibrate the strain gage output in terms of forces transmitted to the floor of a rigid test fixture during sled tests of each seat. The instrumentation methods, the acquired data, and an analysis of the results of the calibration procedure are presented in this paper.
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Authors
Topic
Citation
Gowdy, V. and Chandler, R., "Measurement of Dynamic Reactions in Passenger Seat Legs," SAE Technical Paper 881376, 1988, https://doi.org/10.4271/881376.Also In
References
- Chandler R.F. Gowdy R.V. “Data for the Development of Criteria for General Aviation Seat and Restraint System Performance” SAE 850851 Society of Automotive Engineering, Inc. Warrendale, Pennsylvania 1985
- Chandler R.F. Gowdy R.V. “Loads Measured During Passenger Seat Tests” Memorandum Number AAC-119-81-8A Protection and Survival Laboratory, FAA Civil Aeromedical Institute Oklahoma City, Oklahoma March 1985
- Gowdy R.V. “Comparative Dynamic Impact Tests of the ARA and Norton-Simula Crewseat for the U.S. Army UH-60A Black Hawk Helicopter” Memorandum Number AAC-119-83-8 Protection and Survival Laboratory, FAA Civil Aeromedical Institute Oklahoma City, Oklahoma September 1983
- Johnson R. Wade B. “Longitudinal Impact Test of a Transport Airframe Section” Report DOT/FAA/CT-87/26 FAA Technical Center Atlantic City International Airport, New Jersey July 1988
- SAE Recommended Practice J211b “Instrumentation for Dynamic Impact Tests” Society of Automotive Engineers Warrendale, Pennsylvania December 1974.