Nanjing University of Aeronautics and Astronautics

Effect of inlet rotation angle on lean ignition and blowout limits of an integrated afterburner

This study investigates the effects of inlet rotation angle on the lean ignition and blowout characteristics of an integrated afterburner under high-temperature rotating inflow conditions. Ignition and blowout experiments are conducted in an integrated afterburner with a single s...

An investigation on the flame characteristics of sustainable aviation fuels and their blends near lean ignition limit

With the increasing adoption of SAFs in aero-engines, ignition performance and flame stability are critical for achieving reliable combustion over a wide operating range. This study investigates the transient flame evolution of RP-3, HEFA-SPK, and their equal-volume blend near th...

Uniaxial Compression Constitutive Behavior of Mixed Recycled Brick-Aggregate Concrete After Carbonation

Mixed recycled brick-aggregate concrete (MRBAC), produced by substituting natural coarse aggregates with crushed waste bricks and waste concrete, serves as a promising approach for the resource utilization of construction solid waste and boasts broad engineering application prosp...

Multi-modal knowledge graph reasoning and applications: A comprehensive survey

With the rapid growth of multi-modal data, multi-modal knowledge graphs (MMKGs) have emerged as an important research focus in intelligent reasoning by integrating structured knowledge with information from diverse modalities, such as text, images, and audio. This paper provides...

Synergetic Dopant and Additive Engineering of Hole Transporter for Outdoor‐Stable Perovskite Solar Modules

ABSTRACT The spiro‐OMeTAD hole‐transport layer (HTL) underpins high‐performance n–i–p perovskite solar cells (PSCs), but conventional hygroscopic lithium dopants and volatile additives undermine operational stability and complicate module fabrication. Here we introduce a synergis...

Numerical study on noise reduction for eVTOL aircraft based on phase synchronisation method

With the rapid development of electric vertical take-off and landing (eVTOL) aircraft for urban air mobility (UAM), rotor noise has become a major barrier to their large-scale deployment. To reduce the cruise noise of tiltrotor eVTOL aircraft, this study develops a medium-to high...

Thermal regulation of monocrystalline and polycrystalline photovoltaic panels using phase change material for high temperature applications

Thermal regulation of photovoltaic (PV) panels is essential, as electrical efficiency decreases with increasing operating temperature. However, the electrical efficiency of these panels still no reach to maximum level, and authors have investigated various fluids and materials fo...

Templated growth of phase-pure two-dimensional perovskite for durable solar cells

Abstract The impure phase in typical solution-processed two-dimensional/three-dimensional (2D/3D) perovskite heterostructures limit the performance and stability of perovskite solar cells. We overcome this limitation through a templated growth strategy utilizing excess lead iodid...

On-Chip Measurement Circuit for Single-Event Transient Sensitivity and Propagation in 130 nm Flash-Based FPGAs

This paper proposes an on-chip time-to-digital converter (TDC) named pulse delay and capture circuit (PDCC), dedicated to single-event transient (SET) pulse measurement for radiation characterization of flash-based FPGAs. To address the inherent trade-offs of mainstream vernier d...

Cooperative Control for Multiple UAVs‐Suspended Transport Systems Under Cable Tension Limitations: A Flexible Performance Approach

ABSTRACT Unmanned aerial vehicles (UAVs) have achieved remarkable advancements in the realm of intelligent transportation, while the collaboration of multiple UAVs is emerging as a pivotal area of research. In this work, the flexible performance‐based cooperative control approach...

Cascaded Energy Transfer in Supramolecular Assemblies Enables Amplified and Photoswitchable Circularly Polarized Luminescence

ABSTRACT Photoresponsive circularly polarized luminescence (CPL) materials are promising for optical information processing and anti‐counterfeiting. However, integrating high luminescence dissymmetry factor ( g lum ) with high‐contrast reversible switching within a single system...

Cascaded Energy Transfer in Supramolecular Assemblies Enables Amplified and Photoswitchable Circularly Polarized Luminescence

ABSTRACT Photoresponsive circularly polarized luminescence (CPL) materials are promising for optical information processing and anti‐counterfeiting. However, integrating high luminescence dissymmetry factor ( g lum ) with high‐contrast reversible switching within a single system...

A Defect Detection Method for Rail Ultrasonic B-Scan Images Based on a Multi-Scale Dense Attention Network

Rail internal defects pose significant threats to railway operational safety, and ultrasonic B-scan imaging provides an effective nondestructive testing approach for visualizing subsurface rail conditions. However, manual interpretation of B-scan images is time-consuming and depe...

Plasmonic-enhanced lanthanide nanotransducers for mid-infrared detection

Advanced mid-infrared (MIR) detection underpins a wide range of applications from chemical sensing to thermal imaging. Conventional MIR photodetectors rely on narrow-bandgap semiconductors that typically require cryogenic cooling, whereas uncooled alternatives suffer from inheren...

High‐Temperature Alloys in Aeroengines: Damage and Fracture Insights From Micromechanical Modeling

ABSTRACT High‐temperature alloys are the cornerstone of aeroengine hot‐section components, where extreme thermomechanical conditions give rise to intricate damage and fracture behaviors that critically limit the structural integrity of whole aeroengines. Generally, Ni‐based super...

A Periodic Long-Time Boltzmann–Grad Limit in Every Fixed Dimension d ≥ 4 via Two-Landing-Root Packets

We prove a long-time Boltzmann–Grad limit for hard spheres on the periodic torus in every fixed spatial dimension d ≥ 4. The componentwise long-bond estimate used in dimensions two and three does not provide the power required in higher dimensions. We replace it by a joint two-su...

Robot-assisted biopsy a bibliometric analysis of global trends, hotspots, and emerging frontiers (2000–2025)

Robot-assisted biopsy techniques achieve precise minimally invasive sampling of deep-seated and anatomically complex lesions through stable robotic manipulation, intelligent path planning, and multimodal imaging fusion. These techniques have accumulated substantial evidence in ur...

Performance analysis of a rotary inner wavy cylindrical surface in a small-scale rotating detonation engine at the early starting stage

This study parametrically investigates the effects of corrugation configuration, corrugation inclination to the axis, and wave number on the motion of a rotary inner wavy cylindrical surface in a small-scalerotating detonation engine at the early starting stage. A quasi-two-dimen...

Data-Driven Evolutionary Belief Rule Base Modelling for Explainable Arctic Navigation Safety Assessment

The Arctic Northeast Passage is of growing economic and strategic importance, while its harsh and highly variable navigation environment poses substantial challenges for vessel operation. Existing assessment approaches often rely on predefined structural assumptions or sacrifice...

Adaptive matching of electrical parameters in gas metal arc welding based on audio sensing

In Gas Metal Arc Welding (GMAW) of non-standard products, the welding electrical parameters (welding current and arc voltage) require frequent adjustment and matching according to varying workpiece conditions. This parameter matching process is cumbersome, time-consuming, and sig...