Numerical Simulation and Optimization of Wind Effects of Porous Parapets on Low-Rise Buildings with Flat Roofs

Figure 11

Contours of mean pressure coefficients and mean suction profiles on flat roofs with optimal parapet porosities, for different relative parapet height cases. (a) h_p/H = 0.01 (ϕ = 52.3%). (b) h_p/H = 0.03 (ϕ = 47.7%). (c) h_p/H = 0.05 (ϕ = 38.2%). (d) h_p/H = 0.07 (ϕ = 15.5%).

(a)

(b)

(c)

(d)