Thermal Environmental Conditions: Personal Factors - correct answer
✔Activity
Clothing
Do we design for when the occupancy is less than 15 minutes - correct
answer ✔No
Define: Thermal Comfort - correct answer ✔The condition of the mind which
expresses satisfaction with the thermal environment
Thermal Comfort Factors - correct answer ✔Metabolic Rate
Clothing Insulation
Air Temperature
Radiant Temperate
Air Speed
Humidity
, Steady State - correct answer ✔The effect of prior exposure to different
environmental conditions or activities may affect comfort perception for
approximately one hour
What are the three groups that do not have significant information regarding
comfort requirements? - correct answer ✔Children
The Disabled
The Infirmed
Formula for Operative Temperature - correct answer ✔T_op = A * T_a + (1-
A) * T_r
T_op = Operative Temperature
T_a = Air Temperature
T_r = Mean Radiant Temperature
Relative Air Speed (V_r) vs. A - correct answer ✔V_r A
<0.2m/s (40fpm) 0.5
0.2 - 0.6 m/s (40 - 120 fpm) 0.6
0.6 - 1.0 m/s (120 - 200 fpm) 0.7
Assuming T_op = T_a... - correct answer ✔No radiant or radiant panel for
heating or cooling
Average U-Value for the outside window/wall (U<15.8/t_d,i - t_d,e)
Window solar heat gain coefficients (SHGC< 0.25)
There is no major heat generating equipment in the space
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