Solving the Problem of Multiple-Criteria Building Design Decisions with respect to the Fire Safety of Occupants: An Approach Based on Probabilistic Modelling
Table 3
Probability distributions of the random variables used for the computer fire simulation in the hospital building considered in a MCDM problem.
Variable
Symbol
Mean
Coeff. of var.
Distribution
The fluctuation of the oil fire HRR around the mean value (Figure 10)
The fluctuation of the flue fire HRR around the mean value at (Figure 11)
0 kW
0.07
Lognormal
The fluctuation of the cupboard fire HRR around the mean value at (Figure 12)
0 kW
0.05
Lognormal
The temperature of wind glass breaking
250°C
0.05
Normal
The fraction of the broken glass area
0.222
0.354
Beta
HRR: heat release rate. The variables and () are assumed to be correlated with the correlation coefficients calculated by (10). Beta distribution with the parameters 6 and 21 and the mode of 0.2.