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. 2021 Sep 1;206:108317. doi: 10.1016/j.buildenv.2021.108317

Table 5.

Detailed measured data about the PFM-induced facial thermal stress.

With PFM Without PFM Difference
PFM-related variables Min Max Mean Min Max Mean ΔMin ΔMax ΔMean
Facial skin temperature (oC)
  • Standing still

35.4 37.1 36.3 33.7 35.7 34.7 1.4 1.7 1.6
  • Walking on flat terrains

35.7 37.5 36.6 33.8 36.2 35.0 1.3 1.9 1.6
  • Walking on 30° stairs

36.7 38.6 37.5 34.9 36.7 35.8 1.8 2.6 2.2
Skin moisture (μS)
  • Standing still

1023 1371 1197 829 1173 1069 194 198 128
  • Walking on flat terrains

2187 2882 2535 980 1607 1167 1207 1275 1368
  • Walking on 30° stairs

3371 4207 3790 1899 2186 2042 1472 2021 1748
TEWL (gm−2h−1)
  • Standing still

14.8 19.1 17.1 20.5 27.1 23.5 −3.7 −9.7 −6.4
  • Walking on flat terrains

16.6 24.9 21.1 31.5 41.2 35.0 −7.7 −16.3 −13.9
  • Walking on 30° stairs

25.3 35.7 30.2 55.5 61.4 59.0 −25.7 −30.5 −28.8
Air temperature inside PFM (oC)
  • Standing still

34.1 35.1 34.3 31.7 32.6 32.2 2.4 2.5 2.1
  • Walking on flat terrains

34.6 35.6 34.9 32.0 33.8 32.9 1.8 2.6 2.0
  • Walking on 30° stairs

33.6 35.6 34.8 31.5 31.7 31.6 2.1 3.9 3.2
Relative humidity inside PFM (%)
  • Standing still

77.6 85.5 81.6 70.0 72.0 71.0 7.6 13.5 10.6
  • Walking on flat terrains

80.5 86.6 85.1 60.0 68.0 65.0 18.6 20.5 20.1
  • Walking on 30° stairs

89.1 95.0 91.2 68.0 70.0 69.0 21.1 25.0 22.2