Temperature Field and Optimal Design of Duct-Ventilated Tower Foundation in Permafrost Regions

Figure 14

Temperature distribution along the footing centreline. (a) Effect of the ventilation duct diameters on the annual mean temperature. (b) Effect of the ventilation duct buried depths on the annual mean temperature. (c) Effect of the ventilated-duct tower foundation diameters on the annual mean temperature. (d) Season-dependent temperature distribution.

(a)

(b)

(c)

(d)