Research Article
Improving Heat Exchange Performance of Massive Concrete Using Annular Finned Cooling Pipes
Table 3
Design geometric and thermal parameters of the concrete and pipe.
| | Properties | Concrete | AFCP | CP |
| | Geometric sizes (m) | hc = 1.3 | D = 5.0 × 10−2 | | | = 5.0 × 10−3 | D = 5.0 × 10−2 | | lc = 2.3 | = 5.0 × 10−3 | = 5.0 × 10−3 | | = 1.0 × 10−1 | lp = 2.3 | | dc = 1.3 | lp = 2.3 | lf = 2.1 | | lf = 2.1 | |
| | Adiabatic temperature (K) | T(t) = 52.9 × (1 − e-t) | — | — | | Specific heat (J/kgK) | 970 | 871 | 871 | | Thermal conductivity (w/mK) | 1.28 | 202.4 | 202.4 |
|
|
