Table 5 Comprehensive evaluation results of scheme 1, 2 and 3.

From: Optimization of the heat recovery performance of enhanced geothermal system based on PSO-GA-BP neural networks and analytic hierarchy process

Scheme

d (m)

q (kg/s)

t (℃)

kf (m2)

df (m)

\(T_{50}\)

\(R\)

\(I_{R}\)

\(W_{e}\)

\(\eta_{th}\)

Score

1

400

30

50

1 × 10–10

100

0.161

0.562

0.849

0.563

0.838

0.708

2

500

29

54

1 × 10–10

100

0.399

0.515

0.855

0.629

0.884

0.754

3

600

27

58

1 × 10–10

100

0.574

0.429

0.860

0.634

0.916

0.770

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