This Fan Bypass map is found in the NASA Contractor Report CR-168070, figure 3. Use this map together with the Fan Core map from figure 9. 

About this fan

The fan configuration for the General Electric/NASA Energy Efficient Engine was selected following an extensive preliminary design study of alternate designs. As shown in the figure, the E³ fan configuration uses a quarter-stage booster to provide the required core supercharging. This type of design was chosen over a single-stage rotor with a higher tip speed and a more highly loaded hub because of its higher core-stream efficiency potential and its easier growth path for future engine development. The fan bypass stream also has a higher efficiency potential by reason of the lower fan speed. 

Design Data

Mass Flow [kg/s] 644
Bypass Pressure Ratio 1.65
Core Pressure Ratio 1.67
Bypass Ratio 6.8
Tip Speed [m/s] 415
Tip Diameter [m] 2.108
Inlet Radius Ratio 0.342

 

Ref.:
Energy Efficient Engine
Fan and Quarter-Stage Component Performance Report
S.J. Cline, J.T. Kutney, Jr., P.H. Halter, T.J. Sullivan
General Electric
NASA CR-168070, 1983

Figures of the measured data and the smooth map

 

Tables for use with performance programs

The map tables are available in four variants: 

Note that the file extension must be changed to MAP after downloading if you want to use the map with GasTurb. 

Additional figures from my experimental map smoothing program