Accession Number : ADA257953


Title :   Methods for Improved Airbag Performance for Airdrop


Descriptive Note : Final technical rept. Oct 1989-Sep 1991


Corporate Author : ARMY NATICK RESEARCH DEVELOPMENT AND ENGINEERING CENTER MA


Personal Author(s) : Lee, Calvin K


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a257953.pdf


Report Date : Oct 1992


Pagination or Media Count : 118


Abstract : Airbags are currently being investigated as a ground impact energy absorber for U.S. Army airdrops. Simple airbags with constant vent areas have been studied previously by numerous investigators. In this research effort, a method of controlling the vent area and a method of injecting gas into a simple airbag to improve its performance, i.e., to decrease its peak C force, were analytically and experimentally investigated. In addition, augmented simple airbags using paper honeycomb as an auxiliary energy absorber were also experimentally investigated. Complex airbags using vent-control and gas- injection and augmented airbags were found to decrease the peak G forces of simple airbags by 30%. Results of these investigations are presented in this report. Test and evaluation, Airbags, Impact attenuation, Energy absorbers, Soft landing, Airdrop Operations, Ground impact.


Descriptors :   *AIR DROP OPERATIONS , ACCELERATION , ADDITION , ARMY , ATTENUATION , AUXILIARY , CONSTANTS , CONTROL , ENERGY , ENERGY ABSORBERS , IMPACT , INJECTION , LANDING , OPERATION , PAPER , SOFT LANDINGS , TEST AND EVALUATION


Subject Categories : Logistics, Military Facilities and Supplies


Distribution Statement : APPROVED FOR PUBLIC RELEASE