Open Access

Table 2

Choice of parameters and the way they vary.

DoE coding Parameter Way of variation Min Max
P1 Indoor temperature setpoint (K) Addition −1 +1
P2 Ventilation rate (m3/h) Rate 100 200
P3 Airtightness (m3/h m2) Average airtightness multiplication coefficient 0.5 2
P4 Glass solar transmittance Multiplicative coefficient 1.2 0.8
P5 Wall air gap thermal resistance (m2K/W) Value 0.23 0.11
P6 Roof insulation conduction coefficient (W/m2K) Multiplicative coefficient 1.2 0.5
P7 Plug loads (W) Multiplicative coefficient 2 1
P8 Occupancy (employee presence) Multiplicative coefficient 2 1
P9 Windows conduction coefficient (W/m2K) Value 4.2 3.2
P10 Linear conduction coefficient (W/mK) Multiplicative coefficient 1.2 0.8
P11 Floor concrete thichness (m) Value 0.3 0.2
P12 Albedo Value 0.4 0.1
P13 Ground temperature (K) Addition −3 +3

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