Conceptual Design
of a
3-Shaft Turbofan Engine
Embedded Files
Turbofan engine
Turbofan engine
The turbofan is a type of jet engine that is widely used in aircraft propulsion. The word "turbofan" is a portmanteau of "turbine" and "fan"
Did you Know?
A plane like a Boeing 747 uses approximately about 4 liters of fuel every second. Over the course of a 10-hour flight, it might burn 1,50,000 liters. According to Boeing's Web site, the 747 burns approximately 12 liters per kilometer.
That's like a lot!
Present Situation
Present Situation
Most engine manufacturers employ a 2-spool design, where a fan and low-pressure compressor is driven by a low-pressure turbine, with a high-pressure compressor driven by a high-pressure turbine.
The Changes
The Changes
In this design, what used to be the low-pressure compressor and turbine is now designated as the intermediate-pressure compressor and turbine, and the fan the driven by a low-pressure turbine.
Results
Results
The core of the An increment in fan diameter, BPR, OPR, and TIT resulted in 7.3% and 3.8% increase in propulsive and thermal efficiencies, respectively, and 11% reduction in SFC compared to the baseline engine.
The drawback was an increase of 2.2% in engine length.
Conclusion
Conclusion
The core of the engine was kept the same as in a baseline engine with characteristics from EIS 2010, and the design of a new system was accomplished with minimizing specific fuel consumption.
Questions?
Questions?
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