Down-Hole Heat Exchangers: Modelling of a Low-Enthalpy Geothermal System for District Heating

Table 2

Output values.

Output
Re	34543
𝑇𝑚,fluid	30
𝑇wall	31
𝑇film	45.5
𝑇out	45
ℎ𝑖0	4269
𝐽ℎ	137.61
ℎ𝑒0	146
𝑈𝐷	138
𝐴	11.65
Δ𝑇LM	27.31
𝑄	43386