A NEW PHYSIOLOGICAL VARIABLE ASSOCIATED WITH SENSIBLE AND INSENSIBLE PERSPIRATION

Abstract
A variable (w[mu]) was defined, which described the effectively moist surface present on the skin of the body. For a turbulent air motion of 8.65 cm. per sec., the maximum value of (w[mu]) for the body surface was found to be 28.5 kgm. calories per sq. m. per cm. of Hg vapor pressure; its minimum value, 2.9. For operative temps. below 31[degree] C, (w[mu]) remained relatively constant at a value of 3.81. These values represented definite physiological constants, regardless of the interpretation and magnitudes applied to w and [mu], individually. A useful interpretation of w and [mu] was one such that w was unity, when the extent of moisture surface was at its greatest, and when [mu] assumed the value of 28.5.

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