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Central Reference Aircraft data System (CeRAS) for research community

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Abstract

This paper gives an overview and presents the results of the project CeRAS, which stands for “Central Reference Aircraft data System”. CeRAS is intended to serve as an open platform hosting reference aircraft data and methods that can be used by a research community in aeronautic research projects. The technical topics of the addressed user group lie in the field of overall aircraft design as well as technology integration and evaluation on aircraft level. To enable the communication within the research community the CeRAS homepage has been created (http://ceras.ilr.rwth-aachen.de/) and filled with a first short-range reference aircraft dataset. The research community can contribute to and communicate via the CeRAS homepage that is intended to serve as living “open source” platform. The first reference aircraft is called CSR-01 and has been designed with the ILR aircraft design platform MICADO. The aircraft design characteristics are presented and discussed within this paper. Furthermore, common standards for monetary assessment methodologies are presented that have already been established and agreed within the CeRAS research community.

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Notes

  1. Multidisciplinary and Integrated Conceptual Aircraft Design and Optimisation.

  2. The bucket curve shows the thrust-specific fuel consumption (TSFC) as a function of thrust with varying low-pressure spool speed. The bucket point is reached at the minimum of the curve.

  3. Flugzeug der nächsten Generation.

  4. Polars are trimmed at cruise conditions using an all-movable stabiliser (trim incidence angle \(i_{\rm stab,trim}=-0.1^{\circ }\)) such that \(C_{\rm M}=0\) at \(C_{\rm L,cruise}\). No additional trim deflections are used. The pitch up influence of engine thrust on \(C_{\rm M}\) is neglected.

  5. A detailed description of the underlying model is given by Anton [2].

  6. The emission index (EI) is defined as the mass ratio of the emission species to fuel.

  7. As XML (Extensible Markup Language) standard the DLR CPACS format has been chosen (cf. Sect. 4).

  8. Common Parametric Aircraft Configuration Schema.

  9. The comparison of a .stp and a CPACS XML file can be done using the DLR TiGL viewer (http://software.dlr.de/p/tigl).

  10. http://trac.edgewall.org/.

Abbreviations

ASK:

Available seat kilometre

CeRAS:

Central Reference Aircraft data System

CPACS:

Common Parametric Aircraft Configuration Schema

DOC:

Direct operating costs

EI:

Emission index

FNG:

Flugzeug der nächsten Generation

ICA:

Initial cruise altitude

MICADO:

Multidisciplinary Integrated Conceptual Aircraft Design and Optimization

MTOW:

Maximum take-off weight

NRC:

Non-recurring costs

OWE:

Operating weight empty

RC:

Recurring costs

SAR:

Specific air range

SLST:

Sea-level static thrust

SPP:

Standard passenger payload

TLARs:

Top-level aircraft requirements

TSFC:

Thrust-specific fuel consumption

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Risse, K., Schäfer, K., Schültke, F. et al. Central Reference Aircraft data System (CeRAS) for research community. CEAS Aeronaut J 7, 121–133 (2016). https://doi.org/10.1007/s13272-015-0177-9

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