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Safety Helmet-Head Interaction Study Using High-Speed Cineradiography.

PB277289

Publication Date	1977
Personal Author	Stalnaker, R. L.; Bender, M.; Melvin, J. W.
Page Count	42
Abstract	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 cinematography, 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.
Keywords	Helmets Protective clothing Crash tests Impact tests Design criteria Requirements Protection Injuries Accident prevention Headgear Safety engineering Mechanical properties Dynamic tests Radiography Industrial hygiene Human factors engineering Occupational safety and health
Source Agency	National Institute for Occupational Safety and Health Highway Safety Research Institute University of Michigan
NTIS Subject Category	95D - Human Factors Engineering 57U - Public Health & Industrial Medicine 94H - Industrial Safety Engineering
Corporate Authors	Michigan Univ., Ann Arbor. Highway Safety Research Inst.; National Inst. for Occupational Safety and Health, Morgantown, W. Va.
Document Type	Technical Report
Title Note	Final rept. 29 Aug-31 Oct 77.
NTIS Issue Number	197811
Contract Number	PHS-77-12122

Safety Helmet-Head Interaction Study Using High-Speed Cineradiography.

Safety Helmet-Head Interaction Study Using High-Speed Cineradiography.
PB277289

Publication Date	1977
Personal Author	Stalnaker, R. L.; Bender, M.; Melvin, J. W.
Page Count	42
Abstract	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 cinematography, 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.
Keywords	Helmets Protective clothing Crash tests Impact tests Design criteria Requirements Protection Injuries Accident prevention Headgear Safety engineering Mechanical properties Dynamic tests Radiography Industrial hygiene Human factors engineering Occupational safety and health
Source Agency	National Institute for Occupational Safety and Health Highway Safety Research Institute University of Michigan
NTIS Subject Category	95D - Human Factors Engineering 57U - Public Health & Industrial Medicine 94H - Industrial Safety Engineering
Corporate Authors	Michigan Univ., Ann Arbor. Highway Safety Research Inst.; National Inst. for Occupational Safety and Health, Morgantown, W. Va.
Document Type	Technical Report
Title Note	Final rept. 29 Aug-31 Oct 77.
NTIS Issue Number	197811
Contract Number	PHS-77-12122