Results 41 to 50 of about 13,476 (51)
The thermal management of next-generation hybrid electric regional aircrafts poses critical challenges due to extreme heat loads, which could reach more than 2 MW and must be dissipated.
Safa Sabet +6 more
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This paper presents the results of a testbench regarding the effects of liquid water content in the turbine stage of a fuel-cell charging system. The testbench simulates the exhaust conditions of a PEM fuel cell to evaluate erosion potential in a single ...
Georgios Karakasis +3 more
doaj +1 more source
How Life Cycle Assessment Supports Sustainability Reporting: Example from Clean Aviation
The aim of this work is to present how the Life Cycle Assessment (LCA) tool can support sustainability reporting. A comprehensive analysis enables organizations to generate precise and quantitative data, e.g., on resource consumption, thus aligning with ...
Ana Claudia Nioac de Salles +1 more
doaj +1 more source
Use of Cabin Sidewall for Thermal Management Applications
With increased electrification of new aircraft designs, cooling becomes more challenging. The most straightforward solution is to activate yet unused heat sinks available in the aircraft.
Victor Norrefeldt, Gerhard Riedl
doaj +1 more source
Rocket Engine Vacuum Nozzle 3D Printing: Manufacturing, Weight, and Cost Savings
Metallic materials additive manufacturing is extremely challenging nowadays, while aircraft manufacturers are trying to adapt the newly developed technology to produce parts of complex geometry with minimum materials losses.
Nikolaos D. Alexopoulos +10 more
doaj +1 more source
Comparison of Energy Sources for an Electric Powertrain in a Tilt-Rotor Urban Air Mobility Vehicle
Electric vertical take-off and landing vehicles introduce challenges in powertrain design with short but high peak loads and low-load phases over longer periods of time during wing-borne flight. In this paper, three powertrain topologies are analyzed for
Jonas Ludowicy +2 more
doaj +1 more source
When the vapour–gas mixture flow heats the cold walls of a heat exchanger, condensed phase (solid and liquid) precipitation can occur on their surfaces. This study aims to improve a model of thermohydraulic processes in a heat exchanger during condensed ...
Illia Petukhov +3 more
doaj +1 more source
Towards the Development of an Eco-Design Approach for Aircraft Components
This paper presents a comprehensive approach aimed at optimizing the design of aircraft components from a cradle-to-grave sustainability perspective. Central to this approach is a rigorous sustainability assessment, which evaluates environmental, cost ...
Aikaterini Anagnostopoulou +3 more
doaj +1 more source
Evaluation of an On-Ground Regional Passenger Cabin Demonstrator
The comparatively environmentally friendly turboprop aircraft should be used more often, but still need some improvements, especially regarding noise. To facilitate research into these improvements, an On-Ground Regional Passenger Cabin Demonstrator was ...
Anna Reichherzer +9 more
doaj +1 more source
A Virtual Demonstration of an Electrical Environmental Control System
This study presents a virtual demonstration of the electrical environmental control system (eECS) in its relevant environment, showcasing a novel collaborative approach based on extensive model exchange between partners.
Gülberg Celikel +9 more
doaj +1 more source

