Numerical Study of Heat Transfer in Trefoil Buried Cable with Fluidized Thermal Backfill and Laying Parameter Optimization

Figure 7

Temperature distributions in the trefoil buried cables with NS and flat-type FTB. ( = 1500 A). (a) NS buried cables. (b) Flat-type FTB buried cables ( = 0.40 m). (c) Flat-type FTB buried cables ( = 0.45 m). (d) Flat-type FTB buried cables ( = 0.50 m).

(a)

(b)

(c)

(d)