Operative temperature is defined as a uniform temperature of an imaginary black enclosure in which an occupant would exchange the same amount of heat by radiation plus convection as in the actual nonuniform environment. Some references also use the terms 'equivalent temperature" or 'effective temperature' to describe combined effects of convective and radiant heat transfer. In design, operative temperature can be defined as the average of the mean radiant and ambient air temperatures, weighted by their respective heat transfer coefficients. The instrument used for assessing environmental thermal comfort in terms of operative temperature is called a eupatheoscope and was invented by A. F. Dufton in 1929. Mathematically, operative temperature can be shown as;
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| - Température opérative (fr)
- 作用温度 (ja)
- Operative temperature (en)
- Operativ temperatur (sv)
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| - La température opérative ou température résultante sèche, est un indicateur simple du confort thermique, qui prend en compte l’effet de la convection et du rayonnement. (fr)
- 作用温度(さようおんど、英: operative temperature、OT)とは効果温度ともいい、人体に対する温熱環境を評価する指標のひとつである。 (ja)
- Operativ temperatur är ett sätt att beskriva lufttemperaturens och värmestrålningens inverkan mellan människor och ytorna i omgivningen. Med andra ord: operativ temperatur är medelvärdet av luftens temperatur och omgivande ytors temperatur. Genom att beräkna den operativa temperaturen kan man beskriva upplevelsen av temperaturen. Medelstrålningstemperaturen påverkas mer noterbart av avståndet till en kall yta. Detta sätt att räkna används av myndigheter för att fastställa regler. (sv)
- Operative temperature is defined as a uniform temperature of an imaginary black enclosure in which an occupant would exchange the same amount of heat by radiation plus convection as in the actual nonuniform environment. Some references also use the terms 'equivalent temperature" or 'effective temperature' to describe combined effects of convective and radiant heat transfer. In design, operative temperature can be defined as the average of the mean radiant and ambient air temperatures, weighted by their respective heat transfer coefficients. The instrument used for assessing environmental thermal comfort in terms of operative temperature is called a eupatheoscope and was invented by A. F. Dufton in 1929. Mathematically, operative temperature can be shown as; (en)
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| - Operative temperature is defined as a uniform temperature of an imaginary black enclosure in which an occupant would exchange the same amount of heat by radiation plus convection as in the actual nonuniform environment. Some references also use the terms 'equivalent temperature" or 'effective temperature' to describe combined effects of convective and radiant heat transfer. In design, operative temperature can be defined as the average of the mean radiant and ambient air temperatures, weighted by their respective heat transfer coefficients. The instrument used for assessing environmental thermal comfort in terms of operative temperature is called a eupatheoscope and was invented by A. F. Dufton in 1929. Mathematically, operative temperature can be shown as; where, = convective heat transfer coefficient = linear radiative heat transfer coefficient = air temperature = mean radiant temperature Or where, = air velocity and have the same meaning as above. It is also acceptable to approximate this relationship for occupants engaged in near sedentary physical activity (with metabolic rates between 1.0 met and 1.3 met), not in direct sunlight, and not exposed to air velocities greater than 0.10 m/s (20 fpm). where and have the same meaning as above. (en)
- La température opérative ou température résultante sèche, est un indicateur simple du confort thermique, qui prend en compte l’effet de la convection et du rayonnement. (fr)
- 作用温度(さようおんど、英: operative temperature、OT)とは効果温度ともいい、人体に対する温熱環境を評価する指標のひとつである。 (ja)
- Operativ temperatur är ett sätt att beskriva lufttemperaturens och värmestrålningens inverkan mellan människor och ytorna i omgivningen. Med andra ord: operativ temperatur är medelvärdet av luftens temperatur och omgivande ytors temperatur. Genom att beräkna den operativa temperaturen kan man beskriva upplevelsen av temperaturen. Medelstrålningstemperaturen påverkas mer noterbart av avståndet till en kall yta. Detta sätt att räkna används av myndigheter för att fastställa regler. (sv)
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