Thermal measuring and testing – Temperature measurement – Composite temperature-related paramenter
Patent
1993-07-19
1994-08-02
Gutierrez, Diego F. F.
Thermal measuring and testing
Temperature measurement
Composite temperature-related paramenter
374169, 364557, G01K 300, G01K 1300, G06F 1500
Patent
active
053339533
ABSTRACT:
The present invention provides a method and apparatus for calculating thermal sensitivity and predicted mean thermal sensitivity felt by a person in an environment. According to the apparatus of the present invention, an air temperature Ta, a clothing thermal resistance Icl, and a sensor temperature Tcr of a sensor within the environment are provided as input to an input section of the apparatus. Upon receiving these values, a set temperature calculating section of the apparatus calculates a set temperature .theta..sub.(th). A thermal energy control means supplies thermal energy information H.theta..sub.(th) to a heater so as to heat the sensor in order to maintain the sensor temperature Tcr at the calculated set temperature .theta..sub.(th). An equivalent temperature calculating section then calculates an equivalent temperature Teq.sup.* so that a predicted mean thermal sensitivity PMV.sup.* can then calculated on the basis of the obtained equivalent temperature Teq.sup.*.
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patent: 4058254 (1977-11-01), Hallgreen
patent: 4702617 (1987-10-01), Crabtree et al.
patent: 4727500 (1988-02-01), Jackson et al.
patent: 4799176 (1989-01-01), Cacciatore
patent: 4863279 (1989-09-01), Markel et al.
"Thermal Environmental Conditions for Human Occupancy", ANSI/ASHRAE Standard 55-1981 (1981).
Gutierrez Diego F. F.
Yamatake-Honeywell Co. Ltd.
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