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Guodong Zhang, Changjiang Wang, Shuzhan Bai, Guoxiang Li, Ke Sun and Hao Cheng
To further improve the performance of the Proton Exchange Membrane Fuel Cell (PEMFC), in this paper, we designed a blocked flow channel with trapezoidal baffles, and geometric parameters of the baffle were optimized based on CFD simulation, Artificial Ne...
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Dmitriy Gvozdyakov and Andrey Zenkov
This work presents a review of modern devices for spraying coal?water fuels. The efficiency of their operation was analyzed according to several criteria: the simplicity of their design (A), the fuel channel?s predisposition to clogging (B), durability i...
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Houreya Aldarrai, Dhabya Alsuwaidi, Beenish Khan, Haoyang Xu and Elham Tolouei
As part of the United Arab Emirates? and the world?s aviation goal of reaching net-zero greenhouse gas emissions by 2050, this paper studied the potential of successfully implementing both biofuel ?drop-in? alternatives and aerodynamically efficient conf...
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Saiaf Bin Rayhan and Xue Pu
Over the past two decades, aircraft crashworthiness has seen major developments, mainly with modern computing systems and commercial finite element (FE) codes. The structure and the material have been designed to absorb more kinetic energy to ensure enou...
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Keigo Hatai and Taiichi Nagata
As a candidate for a green hypergolic bipropellant, the combination of highly concentrated hydrogen peroxide and fuel with dissolved sodium borohydride has been widely studied. In this study, a drop test using such a green hypergolic bipropellant was con...
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Jin Zhang, Qilin Zhou, Xudong Zhao, Yuguang Jiang and Wei Fan
Regenerative cooling is considered promising in the thermal protection of hypersonic propulsion devices such as SCRamjet. However, the heat transfer deterioration (HTD) of hydrocarbon fuel is a severe threat to the thermal structure safety, especially un...
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Nicolas Moebs, Dominik Eisenhut, Evert Windels, Jenny van der Pols and Andreas Strohmayer
In the wake of many climate-friendly initiatives, the aviation sector must become more sustainable. A potential path for regional airliners could be the installation of hybrid-electric powertrains. In this work, a conceptual study design of various power...
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Stephan Sundermeier, Maximilian Passmann, Stefan aus der Wiesche and Eugeny Y. Kenig
In numerous turbomachinery applications, e.g., in aero-engines with regenerators for improving specific fuel consumption (SFC), heat exchangers with low-pressure loss are required. Pil low-plate heat exchangers (PPHE) are a novel exchanger type and promi...
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Radoslaw Przysowa, Bartosz Gawron, Tomasz Bialecki, Anna Legowik, Jerzy Merkisz and Remigiusz Jasinski
Alternative fuels containing biocomponents produced in various technologies are introduced in aviation to reduce its carbon footprint but there is little data describing their impact on the performance and emissions of engines. The purpose of the work is...
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Jasem Alqallaf and Joao A. Teixeira
Degradation of compressors is a common concern for operators of gas turbine engines (GTEs). Surface roughness, due to erosion or fouling, is considered one of the major factors of the degradation phenomenon in compressors that can negatively affect the d...
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