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Physiological evaluation of the WBGT index for occupational heat stress.

Authors
Ramanathan-NL; Belding-HS
Source
Am Ind Hyg Assoc J 1973 Sep; 34(9):375-383
NIOSHTIC No.
00033036
Abstract
Three fit young men were exposed for 2 hours at 2 wet bulb globe temperature levels under 4 different combinations of natural wet bulb, globe temperature, and air speed, at constant air temperature and metabolic work. Relatively higher ambient humidity resulted in higher heart rate, body core temperature, forehead temperature, and sweat loss. Under dry conditions, the strain of exposure at the two temperatures could not be differentiated. Computed heat stress index values and observed Botsford wet globe readings were better indicators of relative strain resulting from exposure than wet bulb globe temperature index.
Keywords
NIOSH-Publication; NIOSH-Grant; Grants-other; Wet-bulb-thermometers; Temperature-measurement-instrumentation; Heat-stress; Physiology; Cardiovascular-function; Sweat-rate; Body-temperature; Humidity
Contact
Occupational Health Univ of Pittsburgh Sch of PH 130 DE Soto Street Pittsburgh, PA 15213
CODEN
AIHAAP
Publication Date
19730901
Document Type
Journal Article
Funding Amount
152509.00
Funding Type
Grant
Fiscal Year
1973
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-00308
Issue of Publication
9
ISSN
0002-8894
Priority Area
Other Occupational Concerns; Grants-other
Source Name
American Industrial Hygiene Association Journal
State
PA
Performing Organization
University of Pittsburgh, Pittsburgh, Pennsylvania
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