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Aerospace, Volume 12, Issue 1

January 2025 - 72 articles

Cover Story: This study compares hydrogen fuel cells and combustion systems for medium- to long-range commercial aircraft for more sustainable aviation by 2050 featuring advanced airframe and propulsion technologies. Aircraft performance benefits include the effects of such technologies as laminar flow control, new load alleviation techniques, new materials, ultra-high bypass ratio engines, superconducting motors, and improved fuel cell systems. Results show fuel cell aircraft have 30% higher operating costs and 22–30% greater fuel consumption than combustion systems but offer up to 24% lower in-flight emissions for long-range flights. The study highlights the need for significant technological advancements and green hydrogen production to enable sustainable aviation solutions for such aircraft. View this paper
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Articles (72)

  • Article
  • Open Access
2 Citations
1,582 Views
14 Pages

14 January 2025

The multiple working modes, complex working conditions, frequent changes in external heat flux, and high-power consumption of satellites all pose great difficulties to their thermal design. In this paper, the material MB15 magnesium alloy was used, w...

  • Article
  • Open Access
1 Citations
1,620 Views
25 Pages

13 January 2025

Society awareness and environmental goals are forcing the aerospace industry to develop new sustainable system architectures. The components in the new system have to meet new functional requirements using alternative technologies and design solution...

  • Article
  • Open Access
1,261 Views
43 Pages

13 January 2025

This paper investigates three-dimensional pursuit problems in noncooperative stochastic differential games. By introducing a novel polynomial value function capable of addressing high-dimensional dynamic systems, the forward–backward stochastic...

  • Article
  • Open Access
1 Citations
1,980 Views
20 Pages

Rheology and Stability of Hydrocarbon-Based Gelled Fuels for Airbreathing Applications

  • Simone Dell’Acqua,
  • Francesco Morando,
  • Stefania Carlotti and
  • Filippo Maggi

13 January 2025

Gelled fuels are rheologically complex, non-Newtonian fluids. They combine the benefits of both liquid and solid states, reducing risks of leakage, spilling, and sloshing during storage while maintaining the ability to be sprayed inside a combustion...

  • Review
  • Open Access
1 Citations
3,897 Views
45 Pages

Autogiros: Review and Classification

  • Tsvetomir Gechev,
  • Krasimir Nedelchev and
  • Ivan Kralov

13 January 2025

The article reviews autogiros, concentrating on their flight history, development, application, flight principle, components, and advantages over other aircraft. Firstly, the history of autogiros is presented, focusing on breakthrough inventions and...

  • Article
  • Open Access
1,225 Views
13 Pages

13 January 2025

Currently, research on the rotational modulation of dual-axis inertial navigation for isolated carrier motion does not provide sufficient solutions for the compensation of the gyroscope scale factor error caused by the Earth’s rotation. Moreove...

  • Review
  • Open Access
9 Citations
4,710 Views
50 Pages

12 January 2025

Solid propellants play a crucial role in various civil, scientific, and defence-related aerospace propulsion applications due to their efficient energy release, high energy density, low fabrication cost, and ease of operation. Ammonium dinitramide (A...

  • Article
  • Open Access
3 Citations
2,327 Views
27 Pages

Robust Onboard Orbit Determination Through Error Kalman Filtering

  • Michele Ceresoli,
  • Andrea Colagrossi,
  • Stefano Silvestrini and
  • Michèle Lavagna

12 January 2025

Accurate and robust on-board orbit determination is essential for enabling autonomous spacecraft operations, particularly in scenarios where ground control is limited or unavailable. This paper presents a novel method for achieving robust on-board or...

  • Article
  • Open Access
1 Citations
1,245 Views
18 Pages

11 January 2025

Numerical investigations were conducted to analyze the coupling effects of pulsed H2 jets and nanosecond-pulsed actuation (NS-SDBD) in a supersonic crossflow. The FVM was employed to solve the multi-component 2D URANS equations with the SST k-omega t...

  • Article
  • Open Access
1 Citations
2,551 Views
20 Pages

11 January 2025

Hypersonic flight in the atmosphere is associated with high thermal flux impacting the vehicle surface. The nose, leading edges, and some elements of the engine typically require the implementation of highly refractory materials or an active thermal...

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Aerospace - ISSN 2226-4310