Table 1 Base case and operating parameters
From: Numerical evaluation of laminar heat transfer enhancement in nanofluid flow in coiled square tubes
Parameter | Value | Unit |
|---|---|---|
c p,np,Al2O3 | 765 | J · kg-1 · K |
c p,np, CuO | 540 | J · kg-1 · K |
d np, Al2O3 | 59 × 10-9 | m |
d np, CuO | 29 × 10-9 | m |
k np, Al2O3 | 36 | W · m-1 · K-1 |
k np, CuO | 18 | W · m-1 · K-1 |
| 5 × 104 | ? |
? | 1.381 × 10-23 | J · K-1 |
? np, Al2O3 | 3600 | kg · m-3 |
? np, CuO | 6510 | kg · m-3 |
| 9 × 10-3 | kg · s-1 |
p out | 101325 | Pa |
T 0 | 298.15 | K |
T in | 298.15 | K |
T wall | 323.15 | K |
| 2.8217 × 10-2 | ? |
| 3.917 × 10-3 | ? |
| -3.0669 × 10-2 | ? |
| -3.91123 × 10-3 | ? |
| 0.9830 | ? |
| 12.959 | ? |
| 0.9197 | ? |
| 22.8539 | ? |
ß1 (Al2O3) | 8.4407 | ? |
ß2 (Al2O3) | -1.07304 | ? |
ß1 (CuO) | 9.881 | ? |
?2 (CuO) | -0.9446 | ? |
(Al2O3)
(Al2O3)