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Table 1 Coefficients of the Eq. (10) for three interval case production side
From: Numerical analysis of downhole heat exchanger designed for geothermal energy production
Node | A | B | C |
|---|---|---|---|
1 | a 1 + Dr1 | R perf1 + b 1 | F 1(Q tot − Q 3 − Q 2)2 + F 2(Q tot − Q 3)2 + F 3(Q tot)2 + Ac2 Q 2 + Ac3 Q 3 + Dr2 Q 22 + Dr3 Q 23 − 3G − (P e − P well(3)) |
2 | a 2 + Dr2 | R perf2 + b 2 + Ac2 | F 2(Q tot − Q 3)2 + F 3(Q tot)2 + Ac 3 Q 3 + Dr 3 Q 23 − (P e − P well(3)) − 2G |
3 | a 3 + Dr3 | R perf3 + b 3 + Ac3 | F 3(Q tot)2 − (P e − P well(3)) − G |