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Old 04-16-2012, 11:14 AM   #12 (permalink)
Master EcoModder
Join Date: Dec 2011
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I could see water injection helping in 3 ways.
1. Reducing pumping losses. Add enough hot water/steam, and vacuum should be less, leading directly to less pumping losses.
2. More power. Add enough water, and the water turning to steam increases cylinder pressures after combustion, giving more power for a given amount of fuel.
3. You could add more compression, directly leading to more efficiency.
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