Table 2 Torque and power extracted from the flue gases
From: Kinetic Energy Recovery from the Chimney Flue Gases Using Ducted Turbine System
Blade profile | Parameters | Diffuser angle | |||||
|---|---|---|---|---|---|---|---|
6° | 8° | 10° | 12° | 14° | 16° | ||
NACA4412 | Avg. exit velocity (m/s) | 20.04 | 19.87 | 19.89 | 19.0 | 18.79 | 17.05 |
Torque (N•m) | 333.540 | 333.600 | 333.781 | 333.440 | 333.213 | 332.425 | |
Power (kW) | 34.90763 | 34.98010 | 34.99145 | 34.98065 | 34.77809 | 34.60025 | |
Efficiency (%) | 18.18 | 18.22 | 18.25 | 18.23 | 18.12 | 18.02 | |
NACA4416 | Avg. exit velocity (m/s) | 22.9 | 22.45 | 20.75 | 19.79 | 19.54 | 16.25 |
Torque (N•m) | 330.455 | 330.590 | 333.595 | 333.750 | 331.891 | 330.425 | |
Power (kW) | 34.55821 | 34.58472 | 34.82405 | 34.75190 | 34.51729 | 34.15620 | |
Efficiency (%) | 18.00 | 18.01 | 18.14 | 18.11 | 17.98 | 17.79 | |