Stress measurements in bias-constructed parachute canopies during inflation and at steady state

William L Garrard, Thomas A. Konicke

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

This paper describes the results of an experimental study of canopy stresses in bias-constructed, solid-flat parachutes. Stresses were measured in the warp and fill directions during inflation and at steady state for different values of dynamic pressure. Omega sensors were used to measure stress. These sensors were mounted along the gore centerlines so that the warp and fill stress distributions could be determined as a function of distance from the vent. It was found that stresses in the fill direction were substantially larger than stresses in the warp direction.

Original languageEnglish (US)
Pages (from-to)881-886
Number of pages6
JournalJournal of Aircraft
Volume18
Issue number10
DOIs
StatePublished - Oct 1981

Bibliographical note

Funding Information:
The research reported in this paper was supported by Sandia Laboratories under Contract No. 07-4328. Ap-preciation is given to the late Dr. H. G. Heinrich of the University of Minnesota who developed the Omega sensor and pioneered stress measurements in parachutes. Thanks are also due to D. Carey, D. Reynolds, and T. Weber, students at the University of Minnesota, who participated in this research.

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