Accession Number:

AD0259074

Title:

The Measurement of Bioclimatological Heat Exchange

Descriptive Note:

Rept. no. 24

Corporate Author:

NAVAL AIR DEVELOPMENT CENTER WARMINSTER PA AVIATION MEDICAL ACCELERATION LAB

Personal Author(s):

Report Date:

1961-04-19

Pagination or Media Count:

35.0

Abstract:

Investigation was undertaken to measure heat exchange between man and his environment.. The radiant temperatures of both man and his surroundings and of any incident solar radiation were observed. The most recent instruments developed specifically to meet these needs are the wide range Thermistor Radiometer and the Panradiometer. The Thermistor Radiometer measures a wide range of environmental radiant temperature in extremes of normal occurring ambient temperature as well as skin temperature. The instrument is capable of an accuracy of or - 0.05 C and has been used in ambients of -50 C to 30 C for the measurement of radiant temperatures within or - 135 C of the ambient. The Panradiometer is constructed to measure the net heat exchange between man and his environment together with a description of the environment in terms of solar radiation, average radiant temperature of the surroundings in sun and in shade, and wind temperature and velocity, all in absolute physical units suitable for computations of the heat load on the individual. The design of this instrument is advantageous in that about 99 of the solar radiation lies at wavelengths less than 3 microns and about the same proportion of the radiation from man to his surroundings at wave-lengths longer than 4 microns.

Subject Categories:

  • Thermodynamics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE