Method and apparatus for calculating predicted mean thermal sensitivity
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United States of America Patent
Stats
-
Jul 25, 1995
Issued Date -
N/A
app pub date -
Sep 22, 1994
filing date -
Sep 21, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
According to a method and apparatus for calculating predicted mean thermal sensitivity which is used to control an air conditioning or heating unit, an operative temperature T.sub.0 is calculated on the basis of a radiant temperature Tr, an air temperature Ta, an air velocity Vair, coefficients b.sub.1 and b.sub.2, and a coefficient n according to the following equation: ##EQU1## Predicted mean thermal sensitivity PMV* is calculated on the basis of the operative temperature T0, the air temperature Ta, a relative humidity RH, a saturated water vapor pressure Pa*, a clothing thermal resistance Icl, a variable h.sub.0 (h.sub.0 =b.sub.1 +b.sub.2 .multidot.Vair.sup.n), and coefficients a.sub.1 to a6 according to the following equation: ##EQU2##
First Claim
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