Table 1
Chronological review of explicit relations available for optimum design of trapezoidal channels
| Models | Equation no. | Relations |
|---|---|---|
| Swamee et al. (2000) | (7) |  |
| (8) |  | |
| (9) |  | |
| Aksoy & Altan-Sakarya (2006) – First model | (10) |  |
| (11) |  | |
| (12) |  | |
| Aksoy & Altan-Sakarya (2006) – Second model | (13) |  |
| (14) |  | |
| (15) |  | |
| Niazkar & Afzali (2015) | (16) |  |
| (17) |  | |
| (18) |  |
| Models | Equation no. | Relations |
|---|---|---|
| Swamee et al. (2000) | (7) | |
| (8) | | |
| (9) | | |
| Aksoy & Altan-Sakarya (2006) – First model | (10) | |
| (11) | | |
| (12) | | |
| Aksoy & Altan-Sakarya (2006) – Second model | (13) | |
| (14) | | |
| (15) | | |
| Niazkar & Afzali (2015) | (16) | |
| (17) | | |
| (18) | |