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原文传递 Performance Prediction of the Strong Company's Soft Ground Arrestor System Using a Numerical Analysis.

题名：	Performance Prediction of the Strong Company's Soft Ground Arrestor System Using a Numerical Analysis.
作者：	E. Heymsfield;
关键词：	numerical analysis,airports,aircraft,ground arrestor system,strong company,engineered material arrestor system (emas),soft ground arrestor system;design requirements, full scale testing, sensitivity analysis, figures, tables (data), deceleration, performa
摘要：	Air transportation has an outstanding safety record; however, accidents do occur. Aircraft accidents can occur while the aircraft is at cruise altitude or during land movements: taxiing, takeoff, and landing. Overruns occur when an aircraft is unable to stop within the design runway length during landing or an aborted takeoff. In response, the Federal Aviation Administration (FAA) requires airfields to have a 1000-ft runway safety area (RSA) beyond the design runway length to provide additional runway length for an aircraft to stop during an overrun. However, some airports are unable to comply with this requirement due to either natural or man-made barriers that prohibit runway lengthening. In these cases, the FAA allows airport operators an alternative solution, a shorter runway safety area with a properly installed engineered material arrestor system (EMAS). A sensitivity analysis is presented in this report showing the sensitivity of aircraft stopping distance to aircraft type, EMAS material, and EMAS configuration. A single bed configuration using an ideal low-density concrete material is used as a basis for the sensitivity study. Four aircraft types are considered in this study: B737-900ER, B747- 400ER, B757-300, and the B767-400ER. A worse case scenario of zero reverse thrust with minimal tire-pavement friction is assumed. During the study, the development of the computer code, SGAS, was warranted in order to analyze the considered aircraft types. A methodology is also presented to develop aircraft parameters warranted in a stopping distance analysis using SGAS. / Supplementary Notes: Sponsored by Mack-Blackwell Transportation Center, Fayetteville, AR. / Availability Note: Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5301 Shawnee Road, Alexandria, VA, 22312, USA.
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