Session: 01-02: Conceptual Design and Optimization I

Submission Number: 178966

A Multi-Objective Optimization Framework for Engine Design Space Exploration in Supersonic Civil Transport Applications 

The growing interest in civil high-speed propulsion applications is driving the development of propulsion system technologies and architectures that can meet the stringent requirements related to performance, efficiency and integration needs across very different flight segments. Unlike the subsonic counterpart, supersonic engine configurations must deliver high specific thrust at multiple points throughout the mission profile, while also maintaining competitive fuel consumption and complying with strict noise regulations during take-off and landing operations.

This paper presents a methodology for systematic exploration of the supersonic engine design space, addressing these challenges in a structured manner. The study focuses on a mixed flow turbofan configuration with a low-to-moderate bypass ratio, selected as one of the possible promising candidates for future civil high speed propulsion applications. The technology levels assumed are representative of a future entry into service year, and account for improvements in material properties and component efficiencies.

The approach integrates a multi-point synthesis matching scheme with a Multi-Objective Optimization Framework, enabling simultaneous evaluation of the on-design and off-design operating conditions, while considering multiple performance requirements and technological constraints. The multi objective framework will be employed to map out the possible combinations of main cycle design parameters, covering consistently the feasible design space

Trade studies will be performed to investigate the interactions between key performance parameters, cycle efficiencies and fuel consumption metrics, providing insights and trade-off consideration during the engine preliminary design phase.

Presenting Author: Lorenzo Carrea Mälardalen Univeristy

Presenting Author Biography: Mr. Lorenzo Carrea is a third year PhD candidate in Energy Engineering in the department of Economy, Society and Engineering and a member of the Future Energy Center at Mälardalen University, Västerås, Sweden.
Mr. Carrea holds a Bachelor's degree in Mechanical Engineering from University of Genoa, Genoa, Italy, and a Master's degree in Mechanical Engineering with a specialization in Turbomachinery and renewable energy systems from University of Genoa, Genoa, Italy.
Mr. Carrea's research explores the conceptual design and optimization of propulsion systems for high-speed propulsion aircraft and supersonic transport, with focus on hybrid electric configurations and advanced cycles.

Authors:

Lorenzo Carrea Mälardalen Univeristy
Konstantinos Kyprianidis Mälardalen University