Nose-to-tail analysis of an airbreathing hypersonic vehicle using an in-house simplified tool

Piscitelli, Filomena; Cutrone, Luigi; Pezzella, Giuseppe; Roncioni, Pietro; Marini, Marco

doi:10.1016/j.actaastro.2017.03.007

Cited by 16 publications

(8 citation statements)

References 21 publications

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“…EcosimPro schemes was verified with performance parameters of LAPCAT-II MR 2.4 aircraft. The new 1D propulsion tool was verified by comparing pressure rise along the engine duct with numerical study by Piscitelli et al [19,20] at cruise speed of Mach 8 conditions. The pressure curve obtained in the simulation of the propulsion tool was drawn from the intake of the combustor since aerodynamic data of intake and isolator obtained by the CFD simulations was imposed to the tool.…”

Section: Verification Of Engine Schemesmentioning

confidence: 96%

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Analysis of a combined cycle propulsion system for STRATOFLY hypersonic vehicle over an extended trajectory

2019

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Hypersonic civil aviation is an important enabler for extremely shorter flight durations for long-haul routes and using unexploited flight altitudes. Combined cycle engine concepts providing extended flight capabilities, i.e. propelling the aircraft from take-off to hypersonic speeds, are proposed to achieve high-speed civil air transportation. STRATOFLY project is a continuation of former European efforts in hypersonic research and aims at developing a commercial reusablevehicle for cruise speed of Mach 8 at stratospheric altitudes as high as 35 km above ground level. The propulsion plant of STRATOFLY aircraft consists of combination of two different type of engines: an array of air turbo rockets and a dualmode ramjet/scramjet. In the present study, 1D transient thermodynamic simulations for this combined cycle propulsion plant have been conducted between Mach 0 to 8 by utilizing 1D inviscid flow transport relations, numerical tools availablein EcosimPro software platform and the European Space Propulsion System Simulation libraries. The optimized engine parameters are achieved by coupling EcosimPro software with Computer Aided Design Optimization which is a differential evolution algorithm developed at the von Karman Institute.

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Section: Verification Of Engine Schemesmentioning

confidence: 96%

“…Data for the engine performance in supersonic and hypersonic flight regimes are available in literature [4,19]. EcosimPro schemes was verified with performance parameters of LAPCAT-II MR 2.4 aircraft.…”

Section: Verification Of Engine Schemesmentioning

confidence: 99%

Analysis of a combined cycle propulsion system for STRATOFLY hypersonic vehicle over an extended trajectory

2019

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“…For what concerns the engineering modeling of the MR3 vehicle's DMR engine (by means of EcoSimPro), CIRA has provided VKI with the flow conditions at the intake and isolator calculated by the SPREAD code [10], in the Mach number range from 4.5 to 8, see the sketch of Fig. 12.…”

Section: More Efficient and Greener Propulsion Systemsmentioning

confidence: 99%

Main Challenges and Goals of the H2020 STRATOFLY Project

Viola

Fusaro

Saracoglu

et al. 2021

Aerotec. Missili Spaz.

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As eluded in previous studies, with special reference to those carried out in the European framework, some innovative high-speed aircraft configurations have now the potential to assure an economically viable high-speed aircraft fleet. They make use of unexploited flight routes in the stratosphere, offering a solution to the presently congested flight paths while ensuring a minimum environmental impact in terms of emitted noise and green-house gasses, particularly during stratospheric cruise. Only a dedicated multi-disciplinary integrated design approach could realize this, by considering airframe architectures embedding the propulsion systems as well as meticulously integrating crucial subsystems. In this context, starting from an in-depth investigation of the current status of the activities, the STRATOFLY project has been funded by the European Commission, under the framework of Horizon 2020 plan, with the aim of assessing the potential of this type of high-speed transport vehicle to reach Technology Readiness Level (TRL) 6 by 2035, with respect to key technological, societal and economical aspects. Main issues are related to thermal and structural integrity, low-emissions combined propulsion cycles, subsystems design and integration, including smart energy management, environmental aspects impacting climate change, noise emissions and social acceptance, and economic viability accounting for safety and human factors. This paper aims at summarizing the main challenges and goals of the STRATOFLY project, highlighting the steps forward with respect to the past European Projects and underlying the next planned goals.

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“…The modeling of the AHV dynamics is a challenging task due to various reasons [11,12]. First, the strong coupling between propulsive and aerodynamic forces results from the location of the scramjet engine.…”

Section: Introductionmentioning

confidence: 99%

Stochastic Control-Oriented Modeling of Flexible Air-Breathing Hypersonic Vehicle

Yan-rui

Yang²,

2018

Mathematical Problems in Engineering

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The flexible dynamics of commonly used air-breathing hypersonic vehicle model are not tractable for control design and the inevitable stochastic perturbations are usually neglected. Aiming at these deficiencies, reduced flexible dynamics are deducted in this paper and a stochastic control-oriented vehicle model is established accordingly. The responses of the original system to the deterministic and the stochastic part of the generalized force, which is treated as the input of the flexible dynamic system, are analyzed. After that, the simplified flexible dynamics is deduced to approximate the responses. The reduced flexible dynamics, which are tractable for control design since they greatly reduce the complexity of the original dynamics, are comprised of a simple function of the determined generalized force and an Ornstein-Uhlenbeck colored noise. Finally, the longitudinal dynamics in parametric strict feedback form are obtained by substituting the reduced flexible dynamics into the original model. The applicability of the simplified flexible dynamics is validated through the numerical simulations.

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Nose-to-tail analysis of an airbreathing hypersonic vehicle using an in-house simplified tool

Cited by 16 publications

References 21 publications

Analysis of a combined cycle propulsion system for STRATOFLY hypersonic vehicle over an extended trajectory

Analysis of a combined cycle propulsion system for STRATOFLY hypersonic vehicle over an extended trajectory

Main Challenges and Goals of the H2020 STRATOFLY Project

Stochastic Control-Oriented Modeling of Flexible Air-Breathing Hypersonic Vehicle

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