SAFETY HELMET-HEAD INTERACTION STUDY USING HIGH-SPEED CINDERADIOGRAPHY

Six specimen industrial safety helmets supplied by NIOSH were subjected to impact force by an 8 lb. spherical mass, dropped from a vertical height of 5 ft., while worn on the head of a seated HSRI dummy. The purpose of these tests was to evaluate helmet-head dynamic performance by means of information obtained from 1000-frame-per-second x-ray cine-matography, and impactor and dummy head acceleration instrumentation. Peak and average forces, force durations, component and average resultant head accelerations are reported for each helmet type. Analysis and discussion include a defined helmet-head stiffness parameter, and consideration of the data on the basis of the Mean Strain Criterion Head Injury Model. All six specimen helmets were found to function properly under the test conditions. /HSRI/

• Supplemental Notes:
  • Sponsored by the National Institute for Occupatonal Safety and Health.
• Corporate Authors:

  Highway Safety Research Institute

  Huron Parkway and Baxter Road
  Ann Arbor, MI  United States  48109
• Authors:
  • STALNAKER, R L
  • Bender, M
  • Melvin, J W
• Publication Date: 1977-10-31

Media Info

• Pagination: 42 p.

Subject/Index Terms

• TRT Terms: Dummies; Head; Helmets; High speed photography; Impact studies; Injuries; Mathematical models; Safety; Testing; X rays
• Uncontrolled Terms: Models
• Subject Areas: Highways; Safety and Human Factors;

Filing Info

• Accession Number: 00178241
• Record Type: Publication
• Source Agency: Urban Mass Transportation Administration
• Report/Paper Numbers: UM-HSRI-77-48 Final Rpt., 015624
• Contract Numbers: 77-12122
• Files: TRIS, USDOT
• Created Date: Aug 19 1978 12:00AM