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Air Injection Technology
Power Augmentation of the United Technology FT4 Gas Turbine
with Air Injection
Predicted Power Augmentation of UT FT4 gas turbine with HAI and DAI
(Sea Level, 95F, 60% RH )
| CASE | Power (MW) |
Heat Rate (Btu/kWhr) |
Power Change |
Heat Rate Change |
| FT4 at 95 F Ambient | 23.6 | 12860 | - | - |
| FT4 HAI with 5% Injected Moisture and 7% Injected Air | 31.7 | 10844 | 8.1 | -2016 |
| FT4 HAI with 10% Injected Moisture and 5% Injected Air | 38.0 | 9545 | 14.4 | -3315 |
| FT4 DAI with 10% Injected Air | 26.0 | 12643 | 2.4 | -217 |
| FT4 DAI with 10% Injected Air | 27.2 | 12527 | 3.6 | -333 |
FT4 Gas Turbine Engine with Humid Air Injection (10% Moisture and 5% Air)
FT4 Gas Turbine Engine with Dry Air Injection (15% of Inlet AIr Flow)
FT4 Gas Turbine Engine with no AI at 95 F Ambient
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