Optimal operating conditions of PEM fuel cells in commercial aircraft

M Schröder, F Becker, J Kallo, C Gentner - International Journal of …, 2021 - Elsevier
This work investigates the integration of polymer electrolyte membrane fuel cells (PEMFC)
into recently proposed hydrogen aircraft concepts. Based on a numerical optimization of the …

Dual use of liquid hydrogen in a next-generation PEMFC-powered regional aircraft with superconducting propulsion

C Hartmann, JK Nøland, R Nilssen… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this article, we present a comprehensive model framework for a disruptive cryoelectric
propulsion system intended for a hydrogen-powered regional aircraft. The main innovation …

Improved design of a Wells turbine for higher operating range

P Halder, A Samad, D Thévenin - Renewable energy, 2017 - Elsevier
The oscillating water column (OWC), which is a wave energy extracting device, uses a
bidirectional flow turbine to generate power. The device performance largely depends on …

A proximity-based surrogate-assisted method for simulation-based design optimization of a cylinder head water jacket

A Ahrari, J Blank, K Deb, X Li - Engineering Optimization, 2021 - Taylor & Francis
Many engineering design problems are associated with computationally expensive and time-
consuming simulations for design evaluation. In such problems, each candidate design …

Structural optimization of the aircraft NACA inlet based on BP neural networks and genetic algorithms

Z Li, C Chen, H Pei, B Kong - International Journal of …, 2020 - Wiley Online Library
With the development of the increasing demand for cooling air in cabin and electronic
components on aircraft, it urges to present an energy‐efficient optimum method for the ram …

Torque and efficiency maximization for a wave energy harvesting turbine: an approach to modify multiple design variables

P Halder, A Samad - International journal of energy research, 2017 - Wiley Online Library
Multiple design variables modifications are carried out for a bidirectional flow turbine used in
an oscillating water column wave energy converter to enhance its performance by …

Design space optimisation of an unmanned aerial vehicle submerged inlet through the formulation of a data-fusion-based hybrid model

F Akram, HA Khan, TA Shams, D Mavris - The Aeronautical Journal, 2021 - cambridge.org
The research focuses on the design space optimisation of National Advisory Committee for
Aeronautics (NACA) submerged inlets through the formulation of a hybrid data fusion …

Adaptive Weighted Strategy Based Integrated Surrogate Models for Multiobjective Evolutionary Algorithm

K Bao, W Fang, Y Ding - Computational Intelligence and …, 2022 - Wiley Online Library
Although the integrated model has good convergence ability, it is difficult to solve the
multimodal problem and noisy problem due to the lack of uncertainty evaluation. Radial …

Adjoint based aerodynamic shape optimization of subsonic submerged intake

ALI AHMED - 2021 - open.metu.edu.tr
In this study the aerodynamic shape optimization of subsonic submerged intake is
performed. The total pressure at the aerodynamic interface plane and lift are employed as …

Development of a 3D CFD aerodynamic optimization tool and application to engine air intake design

G Millot, O Scholz, S Ouhamou, M Becquet… - International Journal of …, 2020 - emerald.com
Purpose The paper deals with research activities to develop optimization workflows implying
computational fluid dynamics (CFD) modelling. The purpose of this paper is to present an …