Table 2 Scheme of different insertion spacings and insertion depths of HPs.

From: Influence of heat pipe layout parameters on the cooling effect of spontaneous combustion coal gangue dumps

Case

Insertion spacings

Insertion depths

1

S = 3 m

D = 5 m

2

S = 4 m

3

S = 5 m

4

S = 6 m

5

S = 5 m

D = 4 m

6

D = 5 m

7

D = 6 m

8

D = 7 m

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