Lecture_2.2_Thermal_Environment - AE202 Thermal Environment...

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AE202 Thermal Environment Name_________________ Section 2.2 Date__________________ Reading: MEEB (10 th Edition Chapter 4) References o Flynn – Architectural Interior Systems o Fanger – Thermal Comfort o ASHRAE Standard 55 1981 Definitions o Thermal Environment Environmental factors which effect a person’s______________________ o Thermal Comfort ___________________________________________________________ Depends on: o o o o o Activity o Duration People Heat machine with poor efficiency (i.e. most, if not all, of the energy input is turned into heat. Best at 20%) o Food o Body o Metabolism Body’s Temperature Regulation What are the modes of heat transfer? o Convection - By air movement o Conduction - Requires contact o Radiation - Continuous emission of electro-magnetic waves Hot Cold o
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