Engineering Proceedings, Volume 133, 2026

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In submitting conference proceedings to Engineering Proceedings, the Volume Editors of the proceedings would like to certify to the publisher that all papers published in this volume have been subjected to peer review by the designated expert referee...

The 15th EASN International Conference on “Innovation in Aviation & Space towards sustainability today & tomorrow” was successfully held at the Universidad Politécnica de Madrid (UPM), Spain, from October 14th to 17th, 2025...

Small Remotely Piloted Aircraft Systems (RPAS) are increasingly being developed with non-conventional geometries to enhance their performance, often drawing inspiration from nature. Among the most promising bio-inspired concepts are the wing geometri...

Despite the popularity of multidirectional laminates in many fatigue-prone design applications, there is still little understanding of how the adjacent plies’ fibre orientation affects interfacial crack (delamination) fatigue propagation. To ex...

In contrast to the development of conventional civil aircraft propulsion systems, novel propulsion technology or non-standard energy sources disclose a lack of flexibility in the current aviation certification framework. Additionally, aircraft certif...

The aviation industry is adopting liquid hydrogen (LH₂) for sustainable flight, requiring robust safety systems. This work is an example of adaptation of a Micro-Electro-Mechanical Systems (MEMS)-based structural health monitoring (SHM) system for LH...

This work examines a complex-valued data partition within the improved Loewner Framework to enhance the efficiency of modal parameter identification for aerospace structures. The method is applied to the General Dynamics F-16 Ground Vibration Test da...

A numerical design study is carried out to support the setup of a wind tunnel experiment for the flap cover seal, which will serve as a benchmarking reference database for Fluid–Structure Interaction (FSI) in aeronautics. To this end, 3-D scale...

This study investigates the integration of hybrid-electric distributed propulsion (DEP) systems in aviation to improve environmental sustainability. It aims to develop practical and integrated aircraft solutions by addressing the architectural comple...

Designing an aircraft requires multidisciplinary analysis and data processing abilities, which are often spread over various partners. Effective collaboration across organisational boundaries is difficult, but essential. As the aerospace industry bec...

Hydrogen fuel cells offer strong potential for decarbonizing aviation, yet their megawatt-scale integration is limited by thermal management system (TMS) challenges. In low-temperature Proton Exchange Membrane Fuel Cell (PEMFC) systems, the heat exch...

This paper presents a concise modeling and simulation study of a turboelectric distributed propulsion (TeDP) system for a hybrid wing body (HWB) aircraft. A whole-system 0D model has been implemented in PROOSIS that includes the thermodynamic model o...

The orbital space ecosystem is undergoing significant change, with numerous initiatives focused on in-orbit services, assembly, and manufacturing. These initiatives are being developed globally, with ongoing studies in America, Asia, and Europe. As t...

This study extends a research program exploring innovative rotorcraft design methods, drawing on recent parametric modeling work at the Military University of Technology. Its goal is to assess the feasibility of a rotorcraft capable of operating on M...

A numerical study was conducted to investigate the effect of embedded piezoelectric actuators integrated into the skin of a model-scale BO105 rotor blade on its torsional behaviour. The analysis was performed for blades with different combinations of...

Modern flight decks incorporate advanced automation and real-time data systems to improve safety and efficiency. However, maintaining situational awareness under a high workload remains a critical challenge, particularly when attentional resources ar...

Polycarbonate is a thermoplastic material well known for its high impact resistance and thermal stability, making it a strong candidate for non-structural aerospace applications. Within the framework of the LIDER project for the techno brick BUS, the...

Turbine engine discs operate at high speeds with heavy loads. Any failure may result in the engine stopping or being destroyed. Therefore, it is necessary to check the normal modes and determine the rotational speeds at which they may occur. The aim...

The increasing severity of global wildfires requires advanced suppression strategies to mitigate impacts on the environment and human life. This work investigates the applicability of Multi-Agent Reinforcement Learning (MARL) to aerial wildfire suppr...

Cooperation between satellite and mobile network operators enables the integration of non-terrestrial satellite networks (NTNs) with terrestrial networks (TNs), allowing users to seamlessly switch from Mobile Network Operators (MNOs) to Satellite Net...

The rapid expansion of Unmanned Aircraft System (UAS) operations has created an urgent need for scalable strategic conflict resolution methods within the U-space framework. When requested 4D flight plans overlap with previously authorised ones, the F...

Arc-based directed energy deposition (DED-Arc) processes represent a promising choice for developing flexible and eco-friendly manufacturing strategies for titanium components within the aerospace sector. Previous work has predominantly focused on us...

This research focuses on developing, manufacturing and testing a V-band single-chip transmit and receive front-end integrating an LNA, PA and switching functions for ISL terminals. A comparison is made between two technologies: a 60 nm GaN/Si HEMT fr...

In the context of digital system development, characterized by the utilization of digital methods and tools such as Model-based Systems Engineering (MBSE) and artificial intelligence (AI), the automated extraction of requirements from text-based docu...

The utilization of boundary layer ingestion in combination with a turbofan engine with an ultra-high bypass ratio is regarded as one of the possible solutions to increase the energy efficiency of the aircraft as a complete system. However, this conce...

Safety is the most critical asset in the aerospace industry, and emerging technology domains like hybrid-electric distribution systems present new challenges. In this context, digitalization plays a crucial role in analyzing and managing different sa...

This paper presents a novel modular assembly concept for large-volume Carbon Fiber Reinforced Plastics (CFRP) hydrogen tanks, supporting the aviation sector’s transition toward sustainable propulsion. Adhering to VDI 2221 and 2222 design method...

One of the fundamental aspects of achieving sustainability in aviation is reducing aircraft emissions. While the effects of CO₂ have been studied extensively, it is crucial to also consider non-CO₂ emissions. This paper presents the fundamental ideas...

Recent aerospace safety requirements have increased the demand for reliable structural damage detection. This work presents an output-only operational modal analysis approach that combines the Natural Excitation Technique (NExT) with the Fast and Rel...

Cold spray is a solid-state deposition technology with great potential for coating and repair applications. This study examines the compliance of the cold spray repair process with a qualification and testing framework based on the requirements set b...

In electric propulsion for space applications, searching for alternative propellants is increasingly important due to limited resources and economic considerations. Among the candidates, iodine has emerged as promising thanks to its favorable chemica...

Low and Medium Earth Orbit (LEO/MEO) satellite constellations have emerged as a compelling architectural paradigm for delivering multipurpose services. In this study, we investigate the joint optimization of communication and positioning performance...

The increasing use of Unmanned Aerial Systems (UAS) in civil applications has accelerated the development of new Air Traffic Management (ATM) frameworks to ensure the safe and efficient operation. Onboard technology, such as Detect and Avoid (DAA) sy...

This paper presents a web-based visual analytics framework for robust multi-objective aircraft wing design. Aerodynamic and structural simulation data are generated for a redesigned CRM wing, with aspect ratio and skin root thickness as key variables...

The fuel-cell (FC) technology currently being considered to reduce aircraft greenhouse gas emissions may require large and heavy cooling systems. The paper introduces the two-phase (2$\mathsf{\Phi }$) Mechanically Pumped Loop (MPL) for FC cooling and compares i...

The aviation sector is accelerating the transition toward low-carbon propulsion, and Sustainable Aviation Fuels (SAFs) represent a key leverage to reduce lifecycle emissions without modifying existing turbine architectures. Microturbines offer an eff...

After establishing a lunar settlement, developing resilient infrastructure becomes essential. Transporting prefabricated materials from Earth is costly and logistically challenging, making lunar regolith a promising in situ alternative. Its natural p...

Hydrogen has the potential to revolutionize the aviation industry by transitioning aviation into a zero-carbon industry. However, realizing this vision requires overcoming significant technological challenges, particularly in hydrogen storage, distri...

Achieving climate-neutral aviation requires propulsion systems capable of reducing emissions and noise while maintaining high aerodynamic efficiency. Distributed Electric Propulsion (DEP) represents a promising solution; however, accurately predictin...

Collaborative Research Centres (CRCs) are research institutions in which researchers from several German universities work together within a multidisciplinary research programme. A large number of projects led by one or several researchers from the p...

Hydrogen-propelled aircraft can enable net-zero CO₂ emissions in aviation, which is the goal of the International Civil Aviation Organization (ICAO) for 2050. One drawback of onboard hydrogen storage in aircraft is the necessity for relatively large,...

The integration of artificial intelligence (AI), particularly deep reinforcement learning (DRL), promises to enhance the autonomy and adaptability of drones in complex environments. This research explores the implementation of a cooperative counter-d...

This study presents a system-of-systems simulation framework to evaluate the integration of advanced air mobility (AAM) into intermodal transport. It models door-to-door journeys from Munich to Cres Island via Rijeka, combining intercity modes with i...

In the frame of the final analysis of the HERFUSE activities a life cycle assessment (LCA) has been planned to support the performance evaluation of the new Clean Aviation (CA) architectural concepts. The HERFUSE project is focused on designing innov...

Fast and Relaxed Vector Fitting (FRVF) is a frequency domain system identification method widely used in electrical network modelling, but its application to mechanical systems remains limited. This study adapts FRVF to identify modal parameters of a...

The increasing complexity of technical aeronautical systems requires novel and consistent methods to manage a wide range of dependencies and disciplines. Model-based systems engineering addresses this need by providing a systematic, model-based appro...

The reduction of the overall emissions of the aviation sector require the improvement of the overall aircraft efficiency. In the current aircraft design, the airframe and the propulsion system are designed separately and expected to reach limits for...

Efficient communication infrastructure is essential for Unmanned Aircraft Systems (UASs) operating beyond visual line of sight (BVLOS). Both terrestrial and non-terrestrial networks struggle with coverage gaps and are susceptible to disruptions. This...

Integrating a heat exchanger (HEX) into the cooling duct of a high-power fuel-cell-based aircraft presents a critical trade-off between thermal performance and aerodynamic penalties. The present study addresses this challenge through the design and s...