In turbofan engine, the bypass ratio is the ratio of?
A. total mass flow rate of exhaust stream to the mass flow rate of stream from turbine exhaust
B. total mass flow rate of exhaust stream to the mass flow rate of stream from fan exhaust
C. the mass flow rate of stream from turbine exhaust to the mass flow rate of stream from fan exhaust
D. the mass flow rate of stream from fan exhaust to the mass flow rate of stream from turbine exhaust
Answer:D
In turbofan engine, the bypass ratio is the ratio of?
A. total mass flow rate of exhaust stream to the mass flow rate of stream from turbine exhaust B. total mass flow rate of exhaust stream to the mass flow rate of stream from fan exhaust C. the mass flow rate of stream from turbine exhaust to the mass flow rate of stream from fan exhaust D. the mass flow rate of stream from fan exhaust to the mass flow rate of stream from turbine exhaust