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- W2315341623 abstract "This paper provides a methodology to identify, for current technology levels (TRL), a airliner configuration capable of flying over the anti podal range Brussels -Sydney (~ 18000 km) in about 2 hours at Mach 8. This work is performed within the LAPCAT 2 European project, whose mission requirements are: 300 passengers, 18,728 km of range, un-refueled, Mach 8 as nominal speed at cruise, hydrogen as fuel and an airbreathing propulsion system. Critical parameters for sizing of such vehicles are identified by means of a sensitivity analysis to the structural index (Istr), the payload weight (Wpay), the propulsion system and the engine thrust to weight (ETW). This analysis shows that for a fuel-dominated aircraft, such as this, TOGW and vehicle scaling are driven primarily by fuel weight and volume: in fact, the fuel weight and volume requirements in conjunction with the emergency take-off (TO) and landing wing area requirements are among the primary drivers for these aircrafts. Structural and payload weights are of secondary order in comparison: thus, a conservative structural technology level may be selected without a dramatic impact on vehicle size. This is true if the propulsion system is not a critical point. In fact, above an ETW 4.5, the vehicle weights and volumes decrease slightly, while below this value, the solution has a drastic increase in weights leading to a solution divergence. This means that attention must be posed on the engines technology level." @default.
- W2315341623 created "2016-06-24" @default.
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- W2315341623 date "2009-08-02" @default.
- W2315341623 modified "2023-09-24" @default.
- W2315341623 title "Sizing of TBCC Hypersonic Airbreathing Vehicles" @default.
- W2315341623 cites W4210692327 @default.
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- W2315341623 doi "https://doi.org/10.2514/6.2009-5186" @default.
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