Business Aircraft Turbofan Technology Progress in the 1970’s, Challenges in the 1980’s 800601

Turbofan engines for use in business aircraft service have achieved a high level of productivity. Technology developed during the past 10 years has contributed to the good fuel consumption, low noise and emissions, and growth in thrust levels shown in these engines. Recent progress in materials, aerodynamics, and acoustic technology are reviewed, including the Garrett/NASA Quiet Clean General Aviation Turbofan (QCGAT) Program. New technologies are projected which can be developed in the 1980’s in response to changing worldwide conditions. These new technologies must provide further increases in efficiency and productivity, as well as to allow for use of alternate fuels and materials.


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