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A framework for electrified propulsion architecture and operation analysis

Gokcin Cinar (Daniel Guggenheim School of Aerospace Engineering, Georgia Institute of Technology, Atlanta, Georgia, USA)
Elena Garcia (Daniel Guggenheim School of Aerospace Engineering, Georgia Institute of Technology, Atlanta, Georgia, USA)
Dimitri N. Mavris (Daniel Guggenheim School of Aerospace Engineering, Georgia Institute of Technology, Atlanta, Georgia, USA)

Aircraft Engineering and Aerospace Technology

ISSN: 0002-2667

Publication date: 19 August 2019

Abstract

Purpose

The purpose of this paper was to create a generic and flexible framework for the exploration, evaluation and side-by-side comparison of novel propulsion architectures. The intent for these evaluations was to account for varying operation strategies and to support architectural design space decisions, at the conceptual design stages, rather than single-point design solutions.

Design/methodology/approach

To this end, main propulsion subsystems were categorized into energy, power and thrust sources. Two types of matrices, namely, the property and interdependency matrices, were created to describe the relationships and power flows among these sources. These matrices were used to define various electrified propulsion architectures, including, but not limited to, turboelectric, series-parallel and distributed electric propulsion configurations.

Findings

As a case study, the matrices were used to generate and operate the distributed electric propulsion architecture of NASA’s X-57 Mod IV aircraft concept. The mission performance results were acceptably close to the data obtained from the literature. Finally, the matrices were used to simulate the changes in the operation strategy under two motor failure scenarios to demonstrate the ease of use, rapidness and automation.

Originality/value

It was seen that this new framework enables rapid and analysis-based comparisons among unconventional propulsion architectures where solutions are driven by requirements.

Keywords

Acknowledgements

The authors would like to thank Dr Evan Harrison for developing and sharing the blade element momentum theory code used in this study to create the propeller model.

Citation

Cinar, G., Garcia, E. and Mavris, D.N. (2019), "A framework for electrified propulsion architecture and operation analysis", Aircraft Engineering and Aerospace Technology, Vol. 92 No. 5, pp. 675-684. https://doi.org/10.1108/AEAT-06-2019-0118

Publisher

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Emerald Publishing Limited

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