Minimizing the climate impact of the next generation aircraft using novel climate functions for aircraft design

Conference paper (2022)

Authors

Kaushik Kaushik Radhakrishnan Institute of Air Transportation Systems
K.T. Deck Aircraft Noise and Climate Effects - Aerospace Engineering
P. Proesmans Flight Performance and Propulsion - Aerospace Engineering
Florian Linke Deutsches Zentrum für Luft- und Raumfahrt (DLR)
F. Yin Aircraft Noise and Climate Effects - Aerospace Engineering
V. Grewe Aircraft Noise and Climate Effects - Aerospace Engineering
Roelof Vos Flight Performance and Propulsion - Aerospace Engineering
Benjamin Lührs Deutsches Zentrum für Luft- und Raumfahrt (DLR)
Malte Niklaβ Deutsches Zentrum für Luft- und Raumfahrt (DLR)
I.C. Dedoussi Aircraft Noise and Climate Effects - Aerospace Engineering
Research Group
Flight Performance and Propulsion (Aerospace Engineering) (TU Delft)
Copyright: © 2022 Kaushik Radhakrishnan, K.T. Deck, P. Proesmans, Florian Linke, F. Yin, V. Grewe, Roelof Vos, Benjamin Lührs, Malte Niklaβ, I.C. Dedoussi
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Published Date

2022

Language

English

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Faculty

Aerospace Engineering

Department

Flow Physics and Technology

Research Group

Flight Performance and Propulsion

Abstract

The aircraft’s environmental performance on fleet level is so far completely decoupled from the design process. The climate impact from aviation arising from non-CO2 effects are largely independent from CO2 emissions, but rather depend on the atmospheric state. Previously complex climate-chemistry models were used to evaluate the non-CO2 emissions impact on climate. This is far too computationally demanding for a multidisciplinary design optimisation (MDO) process, requiring a multitude of climate impact evaluations. The question then is, how to efficiently design the next generation climate optimal aircraft? In this paper, a new concept for designing aircraft with minimum climate impact using Climate Functions for Aircraft Design (CFAD) is presented. The content of this paper provides an overview of the development of these innovative CFAD and demonstrates the ability to be integrated in an existing MDO framework. The mitigation potential by optimising aircraft design using CFAD is analysed with respect to different cruise conditions and by minimizing the overall climate impact. To validate the CFAD, a higher fidelity assessment is carried out. Finally, the key performance indicators, i.e. fuel consumption, flight time and operating cost, of the optimised aircraft design are compared to that of the reference aircraft.

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