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531 Results Found

  • Review
  • Open Access
2 Citations
2,722 Views
31 Pages

Detonation Waves on Enhancing Aerospace Propulsion Systems Performances: A Review

  • Bogdan-Cătălin Năvligu,
  • Grigore Cican,
  • Răzvan Edmond Nicoară and
  • Theodor-Mihnea Sîrbu

Detonation-based combustion has re-emerged as a promising pathway for enhancing the efficiency and compactness of future aerospace propulsion systems, motivated by the intrinsic pressure-gain characteristics of detonative heat release. This review pr...

(This article belongs to the Special Issue Space Propulsion: Advances and Challenges (4th Edition))
  • Article
  • Open Access
10 Citations
5,031 Views
21 Pages

Holistic Characterization of MgO-Al2O3, MgO-CaZrO3, and Y2O3-ZrO2 Ceramic Composites for Aerospace Propulsion Systems

  • Kateryna O. Shvydyuk,
  • João Nunes-Pereira,
  • Frederico F. Rodrigues,
  • José C. Páscoa,
  • Senentxu Lanceros-Mendez and
  • Abílio P. Silva

2 March 2024

Aerospace propulsion systems are among the driving forces for the development of advanced ceramics with increased performance efficiency in severe operation conditions. The conducted research focused on the mechanical (Young’s and shear moduli,...

(This article belongs to the Special Issue Advances in Ceramics, 2nd Edition)
  • Review
  • Open Access
11 Citations
6,041 Views
36 Pages

30 November 2023

As humans continue to explore the aerospace field, higher demands have been placed on new types of propulsion systems. Meanwhile, active secondary flow has been applied to various aspects of engines over the past seventy years, significantly enhancin...

(This article belongs to the Special Issue High Speed Flows, 2nd Edition)
  • Review
  • Open Access
2 Citations
890 Views
32 Pages

26 July 2026

Sustainable aviation fuel is among the most practical near-term routes for aviation decarbonization because it can be used in existing aircraft, engines, and airport fuel systems with limited infrastructure changes while minimizing disruption to the...

(This article belongs to the Special Issue Challenges and Opportunities of Sustainable Aviation Fuel in Future Aerospace Propulsion Systems)
  • Article
  • Open Access
1,291 Views
21 Pages

Design of a Modular Testing Facility for Sustainable Fuels Obtained from Plastic Waste Pyrolysis for Aerospace Engines

  • Alexa-Andreea Crisan,
  • Radu Eugen Kuncser,
  • Simona-Nicoleta Danescu,
  • Vlad Stefan Buzetelu,
  • Madalina Botu and
  • Daniel-Eugeniu Crunteanu

The transition toward sustainable aviation fuels requires dedicated experimental platforms capable of evaluating alternative fuels under realistic propulsion conditions. This study presents the development and laboratory experimental validation of a...

(This article belongs to the Section Inventions and Innovation in Energy and Thermal/Fluidic Science)
  • Article
  • Open Access
1,479 Views
29 Pages

8 April 2026

In the aviation sector, there is a growing demand for high-specific-power electrical machines to realize More Electric Aircraft (MEA). The goals for these machines were set by the National Aeronautics and Space Administration (NASA) as 1 MW power, &g...

(This article belongs to the Special Issue Advanced Estimation, Control, and Optimization Techniques for Synchronous Machines in Next-Generation Electrified Systems)
  • Review
  • Open Access
8 Citations
3,100 Views
41 Pages

From Processing to Performance: Innovations and Challenges in Ceramic-Based Materials

  • Sachin Kumar Sharma,
  • Sandra Gajević,
  • Lokesh Kumar Sharma,
  • Yogesh Sharma,
  • Mohit Sharma,
  • Saša Milojević,
  • Slobodan Savić and
  • Blaža Stojanović

25 January 2026

In aerospace, defense, and energy systems, ceramic matrix composites (CMCs) are smart structural materials designed to function continuously in harsh mechanical, thermal, and oxidative conditions. Using high-strength fiber reinforcements and tailored...

  • Review
  • Open Access
141 Views
43 Pages

A Critical Review on High-Energy-Density Liquid Fuels: Synthesis Strategies, Performance Enhancement, and Plasma-Assisted Modification Prospects

  • Liping Shi,
  • Yiqing Liu,
  • Tingting Zhang,
  • Jiaqi Ma,
  • Zeqi Jiang,
  • Xinhong Liu,
  • Qiying Liu and
  • Changhui Zhu

12 October 2026

High-energy-density liquid fuels are critical energy materials for aerospace, advanced military equipment, and high-power propulsion systems. They offer notable advantages, including high energy density and controllable combustion characteristics. Th...

(This article belongs to the Special Issue Catalytic Biomass Conversions into Fuels and Materials—Sustainable Technologies and Applications, 2nd Edition)
  • Article
  • Open Access
3 Citations
1,360 Views
26 Pages

Winglet Geometries Applied to Rotor Blades of a Hydraulic Axial Turbine Used as a Turbopump: A Parametric Analysis

  • Daniel da Silva Tonon,
  • Jesuino Takachi Tomita,
  • Ezio Castejon Garcia,
  • Cleverson Bringhenti,
  • Luiz Eduardo Nunes de Almeida,
  • Jayanta Kapat and
  • Ladislav Vesely

18 April 2025

Turbines are rotating machines that generate power by the expansion of a fluid; due to their characteristics, these turbomachines are widely applied in aerospace propulsion systems. Due to the clearance between the rotor blade tip and casing, there i...

(This article belongs to the Section A: Sustainable Energy)
  • Article
  • Open Access
3 Citations
4,370 Views
17 Pages

26 January 2023

Electric space propulsion is a technology which is employed on a continuously increasing number of spacecrafts. While the current focus of their application area is on telecommunication satellites and on space exploration missions, several new ideas...

(This article belongs to the Special Issue Space Propulsion: Advances and Challenges)
  • Article
  • Open Access
2 Citations
1,980 Views
10 Pages

Theoretical Research on the Combustion Characteristics of Ammonium Dinitramide-Based Non-Toxic Aerospace Propellant

  • Jianhui Han,
  • Ming Wen,
  • Yanji Hong,
  • Baosheng Du,
  • Luyun Jiang,
  • Haichao Cui,
  • Gaoping Feng and
  • Junling Song

Propellants play a crucial role in the propulsion systems of aerospace vehicles, and their combustion characteristics are susceptible to external environmental conditions. This study systematically investigated the impact of various initial condition...

(This article belongs to the Special Issue Green Propellants for In-Space Propulsion)
  • Article
  • Open Access
16 Citations
9,226 Views
19 Pages

Pulse Detonation Assessment for Alternative Fuels

  • Muhammad Hanafi Azami and
  • Mark Savill

15 March 2017

The higher thermodynamic efficiency inherent in a detonation combustion based engine has already led to considerable interest in the development of wave rotor, pulse detonation, and rotating detonation engine configurations as alternative technologie...

(This article belongs to the Special Issue Combustion and Propulsion)
  • Article
  • Open Access
14 Citations
8,950 Views
14 Pages

19 January 2023

Atmosphere-breathing electric propulsion (ABEP) is a type of electric propulsion system that uses the atmosphere as a propellant source instead of a stored reservoir. This technology is still in its early stages, but holds the promise of providing a...

(This article belongs to the Special Issue Aerospace Combustion Engineering)
  • Article
  • Open Access
11 Citations
4,328 Views
14 Pages

Development of a Global Model for the Analysis of Plasma in an Atmosphere-Breathing Cathode-Less Thruster

  • Simone Dalle Fabbriche,
  • Nabil Souhair,
  • Mirko Magarotto,
  • Raoul Andriulli,
  • Enrico Corti and
  • Fabrizio Ponti

This study investigates the preliminary propulsive performances of a cathode-less plasma thruster with air as its propellant. The analysis is carried out through a global model and simulates a thruster over a power range of 0 to 50 W. The developed c...

(This article belongs to the Special Issue Numerical Simulations in Electric Propulsion)
  • Article
  • Open Access
16 Citations
5,937 Views
23 Pages

Theoretical Modeling and Parameter Analysis of Micro-Pulsed Plasma Thruster

  • Yang Ou,
  • Jianjun Wu,
  • Yu Zhang,
  • Jian Li and
  • Sheng Tan

4 May 2018

In this paper, a new numerical modeling method that combines a modified electromechanical model with a Teflon ablation model is proposed to simulate the working process of micro-pulsed plasma thruster (μPPT). The ablation mass accumulation during...

  • Review
  • Open Access
4 Citations
3,983 Views
18 Pages

9 December 2025

Hydrogen energy is a pivotal alternative to lithium-ion batteries for low-altitude aircraft, offering a pathway to sustainable aviation with its zero emissions and high energy density. Nevertheless, its broader application is hindered by challenges i...

(This article belongs to the Special Issue Advances in Hydrogen Production, Storage, and Utilization)
  • Review
  • Open Access
42 Citations
8,896 Views
27 Pages

A Review of Research on the Vacuum Plume

  • Guobiao Cai,
  • Lihui Liu,
  • Bijiao He,
  • Guilong Ling,
  • Huiyan Weng and
  • Weizong Wang

11 November 2022

Chemical and electrical thrusters are generally utilized to control the attitude and orbit of spacecraft in aerospace. When they are firing, the exhaust expands into the vacuum environment, known as the vacuum plume. The plume flow can collide with s...

(This article belongs to the Special Issue Latest Advancements in Aeronautics and Astronautics: Celebrating the 70th Anniversary of Beihang University)
  • Article
  • Open Access
3 Citations
2,902 Views
25 Pages

7 June 2024

The trapped-vortex combustor (TVC) is an alternative combustor design to conventional aeroengine combustors. The separate fuel and air injection of this combustor and its compact design make it a perfect candidate for conventional fuel usage. Moreove...

  • Article
  • Open Access
34 Citations
9,015 Views
11 Pages

A Novel Self-Deployable Solar Sail System Activated by Shape Memory Alloys

  • Gianluigi Bovesecchi,
  • Sandra Corasaniti,
  • Girolamo Costanza and
  • Maria Elisa Tata

This work deals with the feasibility and reliability about the use of shape memory alloys (SMAs) as mechanical actuators for solar sail self-deployment instead of heavy and bulky mechanical booms. Solar sails exploit radiation pressure a as propulsio...

  • Article
  • Open Access
5 Citations
4,891 Views
9 Pages

Deployment of Solar Sails by Joule Effect: Thermal Analysis and Experimental Results

  • Gianluigi Bovesecchi,
  • Sandra Corasaniti,
  • Girolamo Costanza,
  • Fabrizio Paolo Piferi and
  • Maria Elisa Tata

16 December 2020

Space vehicles may be propelled by solar sails exploiting the radiation pressure coming from the sun and applied on their surfaces. This work deals with the adoption of Nickel-Titanium Shape Memory Alloy (SMA) elements in the sail deployment mechanis...

(This article belongs to the Special Issue Advances in Aerospace Sciences and Technology)
  • Article
  • Open Access
1,731 Views
15 Pages

8 September 2025

This study presents a flame detection model that is based on real experimental data that were collected during turbopump hot-fire tests of a liquid rocket engine. In these tests, a MEMRECAM ACS-1 M40 high-speed camera—serving as an optical sens...

(This article belongs to the Special Issue Sensors and Advanced Sensing Techniques for Computer Vision Applications: Second Edition)
  • Conference Report
  • Open Access
118 Views
46 Pages

8 October 2026

The 1st International Online Conference on Aerospace (IOCAE 2026) was held virtually on 16–17 April 2026, providing an international forum for researchers and aerospace professionals to present and discuss recent advances across aeronautics and...

(This article belongs to the Proceedings of The 1st International Online Conference on Aerospace)
  • Article
  • Open Access
3 Citations
2,307 Views
19 Pages

19 March 2024

The advent of space exploration missions, especially those aimed at establishing a sustainable presence on the Moon and beyond, necessitates the development of efficient propulsion and mission planning techniques. This study presents a comprehensive...

(This article belongs to the Special Issue Modeling and Simulation in Engineering, 3rd Edition)
  • Review
  • Open Access
2 Citations
2,370 Views
23 Pages

A Review of Intelligent Trajectory Planning and Optimization for Aerospace Vehicles

  • Guanjie Hu,
  • Linxin Li,
  • Yingmin Yi,
  • Lecheng Liang,
  • Zongyi Guo,
  • Jianguo Guo and
  • Jing Chang

Aerospace vehicles operate across a wide flight envelope, traversing dense atmospheric layers from near-space to low Earth orbit. Trajectory planning and optimization in a large spatial domain and wide speed range present severe challenges to traditi...

(This article belongs to the Special Issue Guidance and Control Systems of Aerospace Vehicles)
  • Review
  • Open Access
3 Citations
2,423 Views
25 Pages

Hybrid Gas–Magnetic Bearings (HGMBs) are an emerging technology ready to completely change high-speed oil-free rotor support in aerospace electric motors. Because HGMBs combine the stiffness and load capacity of gas bearings with the active con...

  • Review
  • Open Access
2 Citations
4,312 Views
28 Pages

A Review on Liquid Pulsed Laser Propulsion

  • Sai Li,
  • Baosheng Du,
  • Qianqian Cui,
  • Jifei Ye,
  • Haichao Cui,
  • Heyan Gao,
  • Ying Wang,
  • Yongzan Zheng and
  • Jianhui Han

Laser propulsion is a new conceptual technology that drives spacecraft and possesses advantages such as high specific impulse, large payload ratio, and low launch cost. It has potential applications in diverse areas, such as space debris mitigation a...

(This article belongs to the Special Issue Laser Propulsion Science and Technology (2nd Edition))
  • Review
  • Open Access
318 Citations
43,391 Views
35 Pages

29 November 2019

Metal additive manufacturing (AM) has matured from its infancy in the research stage to the fabrication of a wide range of commercial functional applications. In particular, at present, metal AM is now popular in the aerospace industry to build and r...

(This article belongs to the Special Issue Additive Manufacturing of Metals with Lasers)
  • Article
  • Open Access
336 Views
15 Pages

22 June 2026

The acceleration and deceleration of high-speed gas flow within a pipeline, induced by the action of flow-restriction devices, frequently result in the emergence of unsteady flow phenomena. Consequently, the generated excitation forces provoke intens...

(This article belongs to the Section Chemical Processes and Systems)
  • Article
  • Open Access
13 Citations
4,045 Views
13 Pages

29 September 2023

Fused deposition technology (FDM), as an additive manufacturing (AM) technology, holds immense potential in the field of solid grain manufacturing. It can accomplish complex grain shaping with ultra-low-pressure ratios, which are challenging to achie...

(This article belongs to the Special Issue Combustion Evaluation and Control of Solid Rocket Motors)
  • Article
  • Open Access
4 Citations
1,004 Views
17 Pages

Numerical Investigation on Tensile and Compressive Properties of 3D Four-Directional Braided Composites

  • Longcan Chen,
  • Feilong Dou,
  • Jun Wang,
  • Guangxi Li,
  • Binchao Li,
  • Jin Zhou,
  • Yong Xue,
  • Shenghao Zhang and
  • Di Zhang

12 December 2025

This study investigates the influence of braiding angles on the mechanical behavior and damage mechanisms of three-dimensional (3D) braided composites under uniaxial compressive and tensile loading. By integrating uniaxial compression and tension tes...

(This article belongs to the Section Advanced Composites)
  • Article
  • Open Access
262 Views
20 Pages

15 September 2026

Achieving low-frequency vibration attenuation in lightweight cylindrical lattices is critical for aerospace applications. This study proposes a multi-layered cylindrical lattice integrating five independent fluid cavities with locally resonant unit c...

(This article belongs to the Special Issue Vibration Damping, 2nd Edition: Response Mitigation of Structural and Rotating Systems—Smart, Nonlinear and Hybrid Solutions)
  • Proceeding Paper
  • Open Access
1 Citations
1,558 Views
8 Pages

Predicting the NACA0012-IK30 Airfoil Propulsive Capabilities with a Panel Method

  • Emanuel A. R. Camacho,
  • Flávio D. Marques and
  • André R. R. Silva

7 November 2023

Unsteady airfoils play a pivotal role in comprehending diverse aerospace applications, being one of those flapping propulsions. The present paper studies this topic by bringing back an old unsteady panel method to juxtapose its results against CFD da...

(This article belongs to the Proceedings of The 4th International Electronic Conference on Applied Sciences)
  • Review
  • Open Access
40 Citations
15,236 Views
17 Pages

Hybrid Propulsion Systems for Remotely Piloted Aircraft Systems

  • Mithun Abdul Sathar Eqbal,
  • Nuwantha Fernando,
  • Matthew Marino and
  • Graham Wild

The development of more efficient propulsion systems for aerospace vehicles is essential to achieve key objectives. These objectives are to increase efficiency while reducing the amount of carbon-based emissions. Hybrid electric propulsion (HEP) is a...

  • Article
  • Open Access
7 Citations
4,674 Views
15 Pages

CFD-Based Investigation of Turbine Tonal Noise Induced by Steady Hot Streaks †

  • Axel Holewa,
  • Sergey Lesnik,
  • Graham Ashcroft and
  • Sébastien Guérin

The interaction of steady hot streaks from an annular ring of combustion chambers with turbine rotating blades can potentially generate tonal noise. The relevance of this source mechanism in aeroengine noise is controversially discussed in the litera...

  • Article
  • Open Access
7 Citations
9,488 Views
23 Pages

Drone Electric Propulsion System with Hybrid Power Source

  • Jenica-Ileana Corcau,
  • Liviu Dinca,
  • Andra-Adelina Cucu and
  • Dmitrii Condrea

11 April 2025

Unmanned aerial vehicles, known today as drones, in the beginning, were small-dimension research models powered by small electric motors fed from electrical batteries. The propulsion system for these drones had to be adapted to the specific applicati...

(This article belongs to the Special Issue Electric-Powered and Hybrid-Powered Unmanned Aerial Vehicle Technology and Applications of Low-Altitude Aviation)
  • Review
  • Open Access
47 Citations
6,426 Views
17 Pages

Aerospace Environmental Challenges for Electrical Insulation and Recent Developments for Electrified Aircraft

  • Maricela Lizcano,
  • Tiffany S. Williams,
  • Euy-Sik E. Shin,
  • Diana Santiago and
  • Baochau Nguyen

16 November 2022

The growing trend towards high voltage electrical assets and propulsion in the aeronautics and space industry pose new challenges in electrical insulation materials that cannot be overlooked. Transition to new high voltage electrified systems with un...

(This article belongs to the Special Issue Advances in Electric Insulating Materials and Applications)
  • Feature Paper
  • Article
  • Open Access
2 Citations
11,405 Views
24 Pages

Preliminary Design Tool for Medium-Low-Power Gridded Ion Thrusters

  • Filippo Alifano,
  • Mario Panelli and
  • Francesco Battista

1 May 2023

Gridded ion thrusters (GITs) are an established technology that, by covering a wide range of power class, allows one to accomplish a lot of space mission types. Many analysis tools and analytical models describing the physics of GITs are present in t...

(This article belongs to the Special Issue Recent Advances in Space Propulsion Technology)
  • Review
  • Open Access
13 Citations
4,911 Views
21 Pages

Impact of Cryogenics on Cavitation through an Orifice: A Review

  • Claudia Esposito,
  • Johan Steelant and
  • Maria Rosaria Vetrano

10 December 2021

Cryogenic cavitation affects the operation of liquid propulsion systems during the first phase of a launch. Its effects within orifices or turbopumps can range from mild instabilities to catastrophic damages to the structures, jeopardizing the launch...

  • Article
  • Open Access
1 Citations
687 Views
28 Pages

18 March 2026

Due to the complex mesostructure of calcareous sand, accurately predicting the mechanical response of Asphalt-Bonded Calcareous Sand (ABCS) is extremely challenging. This study pioneers the development of a mesoscale model for ABCS that explicitly in...

(This article belongs to the Special Issue Material Characterization, Design and Modeling of Asphalt Pavements)
  • Review
  • Open Access
105 Citations
12,440 Views
16 Pages

Overview on Digital Twin for Autonomous Electrical Vehicles Propulsion Drive System

  • Mahmoud Ibrahim,
  • Anton Rassõlkin,
  • Toomas Vaimann and
  • Ants Kallaste

6 January 2022

The significant progress in the electric automotive industry brought a higher need for new technological innovations. Digital Twin (DT) is one of the hottest trends of the fourth industrial revolution. It allows representing physical assets under var...

(This article belongs to the Special Issue Mechatronics Technology and Transportation Sustainability)
  • Article
  • Open Access
2 Citations
2,179 Views
24 Pages

Despite considerable research effort in the past 60 years, the occurrence of combustion instabilities in rocket engines is still not fully understood. While the physical mechanisms involved have been studied separately and are well understood in a co...

(This article belongs to the Special Issue Space Propulsion: Advances and Challenges (2nd Edition))
  • Article
  • Open Access
5 Citations
3,931 Views
18 Pages

During the operation of a solid rocket motor, the nozzle, which is a key component, is subjected to extreme conditions, including high temperatures, high-speed gas flow, and discrete-phase particles. For composite nozzles incorporating a carbon/carbo...

  • Article
  • Open Access
13 Citations
4,798 Views
20 Pages

Shock Wave and Aeroelastic Coupling in Overexpanded Nozzle

  • Haifeng Hu,
  • Xinni Gao,
  • Yushan Gao and
  • Jianwen Yang

7 October 2024

The growing demand for increasing the engine power of a liquid rocket is driving the development of high-power De-Laval nozzles, which is primarily achieved by increasing the expansion ratio. A high-expansion-ratio for De-Laval nozzles can cause flow...

(This article belongs to the Section Aeronautics)
  • Article
  • Open Access
4 Citations
3,191 Views
27 Pages

Research on Oil–Gas Two-Phase Flow Characteristics and Improvement of Aero-Engine Bearing Chamber

  • Guozhe Ren,
  • Yanpeng Li,
  • Huan Zhao,
  • Yang Yan,
  • Wenfeng Xu and
  • Dan Sun

In order to study the oil–gas two-phase flow characteristics of an aero-engine bearing chamber and improve the scavenge effect of lubricating oil, the two-phase flow solution model of a bearing chamber based on the Euler–Euler method was...

(This article belongs to the Special Issue Wear Prediction in Aeroengine Rotor System)
  • Article
  • Open Access
5 Citations
1,597 Views
20 Pages

Uneven inter-stage pressure drops of the common two-stage brush seal (CBS) lead to a problem that the second stage bristles bear excessive pressure load, and this problem leads to the premature failure of the brush seal. In this paper, a novel two-st...

  • Article
  • Open Access
31 Citations
5,832 Views
12 Pages

30 July 2017

Experimental studies have been performed to investigate the effects of hydrogen addition on the combustion characteristics of Chinese No.3 jet fuel (RP-3 kerosene/air premixed flames. Experiments were carried out in a constant volume chamber and the...

(This article belongs to the Section I: Energy Fundamentals and Conversion)
  • Article
  • Open Access
5 Citations
4,280 Views
14 Pages

Experimental Investigation of Flame Anchoring Behavior in a LOX/LNG Rocket Combustor

  • Jan Martin,
  • Michael Börner,
  • Justin Hardi,
  • Dmitry Suslov and
  • Michael Oschwald

Hot fire tests of a multi-injector research combustor were performed with liquid-oxygen and liquefied-natural-gas (LOX/LNG) propellants at chamber pressures from 30 up to 67 bar, hence at conditions similar to an upper stage rocket engine. Within the...

(This article belongs to the Special Issue Liquid Rocket Engines)
  • Article
  • Open Access
15 Citations
3,784 Views
16 Pages

Flame Characteristics and Response of a High-Pressure LOX/CNG Rocket Combustor with Large Optical Access

  • Jan Martin,
  • Wolfgang Armbruster,
  • Dmitry Suslov,
  • Robert Stützer,
  • Justin S. Hardi and
  • Michael Oschwald

Hot-fire tests were performed with a single-injector research combustor featuring a large optical access (255 × 38 mm) for flame imaging. These tests were conducted with the propellant combination of liquid oxygen and compressed natural gas (LO...

(This article belongs to the Special Issue Liquid Rocket Engines)

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