極超音速旅客機による輸送ネットワークの初期検討

概要

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The commercial success of a hypersonic airliner is discussed from a viewpoint of its operational convenience. In the hypersonic regime, a lift-to-drag ratio is generally small due to a large wave drag, which results not only in small cruising range but also in an operational inconvenience. To overcome this drawback, we propose a transportation network with multiple hypersonic airliners. The analysis of the operation diagram demonstrates that the travel time of passengers can be significantly reduced in the absence of the arrival and departure in late evening or early morning thanks to the combination of the high flight velocity and flexible network operation, even if the range of the hypersonic transport is limited to 7,330km. Consequently, the network operation will greatly enhance the potential of the hypersonic aircraft for future high-speed global transportation system.
2009-09-05