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dboozer
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Homework Statement
The brake fuel conversion efficiency of an egine is 0.3. The mechanical efficiency is 0.8. The combustion efficiency is 0.94. The heat losses to the coolant and oil are 60 kW. The fuel chemical energy entering the engine per unit time, (m_f * Q_HV), is 190 kW. What percentage of this energy becomes
Brake work
Friction work
Heat losses
Exhaust chemical energy
Exhaust sensible energy
Homework Equations
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The Attempt at a Solution
I don't know how to start this problem.