Forced Convection Correlations: zukauskas_cylinder
Nusselt number correlation constants for forced convection heat transfer. Covers external cross-flow over cylinders (Hilpert circular, noncircular shapes, Zukauskas), tube bank arrays (C1/m constants and C2 row correction factors), and fully developed laminar internal flow in noncircular ducts. Each record provides C and m coefficients for power-law Nu correlations, valid Reynolds number range, and source reference. 51 records from Incropera Chapter 7 (Tables 7.2-7.6) and Chapter 8 (Table 8.1).
| correlation type | correlation subtype | C (dimensionless) | Nu correlation text | Re max (dimensionless) | Re min (dimensionless) | conditions | geometry description | m (dimensionless) | n Pr (dimensionless) |
|---|---|---|---|---|---|---|---|---|---|
| zukauskas_cylinder | Re_D_range_1 | 0.75 | Nu = C * Re_D^m * Pr^0.36 * (Pr/Pr_s)^(1/4) | 40 | 1 | Properties at T_inf; Pr_s at T_s; 0.7 <= Pr <= 500 | External cross-flow circular cylinder (Zukauskas) | 0.4 | 0.36 |
| zukauskas_cylinder | Re_D_range_2 | 0.51 | Nu = C * Re_D^m * Pr^0.36 * (Pr/Pr_s)^(1/4) | 1,000 | 40 | Properties at T_inf; Pr_s at T_s; 0.7 <= Pr <= 500 | External cross-flow circular cylinder (Zukauskas) | 0.5 | 0.36 |
| zukauskas_cylinder | Re_D_range_3 | 0.26 | Nu = C * Re_D^m * Pr^0.36 * (Pr/Pr_s)^(1/4) | 200,000 | 1,000 | Properties at T_inf; Pr_s at T_s; 0.7 <= Pr <= 500 | External cross-flow circular cylinder (Zukauskas) | 0.6 | 0.36 |
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