Calculation of
PMV and PPD
M (W/m2),
Metabolic energy production (58 to 232 W/m2)
W (W/m2), Rate of mechanical work, (normally 0)
Ta (C), Ambient air temperature (10-30)
Tr (C), Mean radiant temperature (often close to
ambient air temperature)
v (m/s), Relative air
velocity (0.1 to 1 m/s)
rh (%),
Relative humidity
Icl (clo),
basic clothing insulation (1 clo = 0.155 W/m2K)
PMV and PPD
PMV -3 cold to +3 hot
PPD (%)
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