San Francisco : Architect and Engineer, Inc · leaf 405
ed may be any-thing from zero to the quantity required to satu-rate the air at that temperature. It is convenient todescribe conditions which are intermediate be-tween dryness and saturation in terms of a quan-tity known as relative humidity. One pound of airat, say 55° F. is saturated if it… … phically. Fig. 4 is a repetition of Fig. 3 with theaddition of curves of moisture content for severalrelative humidities, taken at 20% increments.Under this system of notation, dry air has a rela-tive humidity of 0% and saturated air has a rela-tive humidity of 100%. Any quantity of water vapor at…
Architecture · Building
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