Table 1 The detailed parameters of THTHE.
From: Enhancement of thermofluid characteristics via a triple-helical tube heat exchanger
Test specimen | di,o (mm) | dim,o (mm) | do,o (mm) | (mm) | L (mm) | \(d_{{hy}} = d_{{im,i}} - d_{{i,o}}\)(mm) | \(\delta = d_{{hy}} /2R\) | b (mm) | N |
|---|---|---|---|---|---|---|---|---|---|
A | 7.92 | 15.9 | 22.2 | 150 | 4430 | 6.2 | 0.020 | 29.5 | 4.20 |
B | 7.92 | 15.9 | 22.2 | 125 | 4080 | 6.2 | 0.024 | 29.5 | 5 |
C | 7.92 | 15.9 | 22.2 | 90 | 4120 | 6.2 | 0.034 | 29.5 | 6.55 |
D | 7.92 | 19 | 28.6 | 90 | 4230 | 9.38 | 0.052 | 29.5 | 6.83 |
E | 7.92 | 22.2 | 28.6 | 90 | 4320 | 11.28 | 0.062 | 29.5 | 6.95 |
