Wuhan University of Technology

Toward high-efficiency photovoltaic energy harvesting: experimental validation of continuous, hybrid, and sensorless dual-axis tracking systems with fixed-tilt solar system

Solar tracking systems have gained considerable attention due to their potential to increase the energy yield of photovoltaic (PV) systems by maintaining the PV module at a favorable orientation relative to the Sun. However, conventional dual-axis trackers often rely on high-powe...

Diagnosing urban flood resilience and built-environment adaptation priorities in Henan Province, China

Purpose This study develops a multi-criteria framework to assess relative urban flood resilience, temporal change and built-environment adaptation constraints across 18 municipal-level units in Henan Province, China. Design/methodology/approach Seventeen indicators covering natur...

Research progress, challenges, and trends of sensing materials for thermal hazard monitoring in lithium-ion batteries: A review

With the widespread application of lithium-ion batteries (LIBs) in electric vehicles, energy storage stations, portable electronic devices, the safety hazards during their service life have attracted extensive social attention. Among these issues, thermal runaway (TR) has become...

An efficiency-oriented hierarchical energy management strategy for renewable electric-hydrogen systems with adaptive multi-stack PEMFC activation

Abstract The growing integration of renewable energy sources requires efficient management strategies for electric-hydrogen coupled systems. Conventional single fuel cell configurations suffer from limited power capacity and poor efficiency under dynamic conditions, while existin...

A subjective-objective composite risk perception field for AIS-based ship collision avoidance behaviour analysis in coastal waters

Coastal waters are characterised by dense traffic, constrained navigable space, heterogeneous vessel types and frequent encounters. Collision avoidance behaviour reflects not only physical collision risk but also navigators’ perceived spatial pressure, which conventional DCPA, TC...

Failure analysis of marine composite sandwich beams with syntactic foam cores under bending loads

In this work, a progressive failure analysis framework is proposed to investigate the bending failure mechanisms of composite sandwich beams with syntactic foam cores. The numerical framework incorporates the cohesive zone model to simulate interface debonding and adopts Hashin's...

Multi-Sortie UAV Inspection Route Planning in Three-Dimensional Container Yards with Static Obstacles Using a Hybrid SA–ALNS–2OPT Algorithm

To address the challenges posed by a large number of spatially distributed inspection points, dense obstacles, and limited UAV endurance in container yard inspection, this study investigates a multi-sortie route planning problem for a single unmanned aerial vehicle (UAV) operatin...

Stretchable, Wide-Temperature Gel Electrolytes Integrating Ionic Conduction and Heat Buffering for Flexible Supercapacitors

Abstract Traditional hydrogel electrolytes face multiple challenges in flexible energy storage applications, including poor mechanical properties, low ionic conductivity, and failure under extreme temperatures. Herein, this study designs and fabricates a composite gel electrolyte...

Wave Resistance of Floating Offshore Wind Turbines Based on a Viscous-Potential Flow Correction Method: Toward Efficient and Sustainable Wet-Towing Operations

Accurate prediction of towing resistance is essential for selecting tug capacity and controlling energy demand during the wet-towing of floating offshore wind turbines (FOWTs). This study established a high-precision CFD numerical wave tank to simulate the towing hydrodynamic per...

Hydrogen corrosion mechanism and multi-field coupled constitutive model for wellbore cement sheath in salt cavern hydrogen storage

Salt cavern hydrogen storage is a key technology to meet the demand for large-scale hydrogen energy storage. The long-term performance evolution of the wellbore cement sheath in a simulated salt cavern hydrogen storage conditions (55°C, 20 MPa) is directly related to the safety a...

The unique role of bromine in NaF crystallization of photo-thermo-refractive glass

Photo-thermo-refractive (PTR) glass generates a refractive-index modulation through photothermally induced NaF nanocrystallization, making it essential for volume Bragg gratings. The halide co-dopant determines how silver nanoparticle templates (Ag NPs@AgX, X = Cl, Br, I) steer N...

Empirical Ionosphere-Constrained Uncombined Model for GNSS Rapid Ambiguity Resolution in Medium-to-Long Baseline Networks

To address the issue of long ambiguity resolution (AR) time for existing medium-to-long baseline reference stations, this paper proposes a rapid ambiguity fixing method with empirical ionospheric constraints. The method directly treats the L1 and wide-lane (WL) ambiguities as unk...

Deformation characteristics and outburst mechanism of coal mass ahead of working faces under dynamic disturbance induced by roof fracturing

Abstract For working faces in soft coal seams closely (especially directly) overlain by hard rock strata, intense dynamic disturbances induced by roof fracturing not only increase the susceptibility of coal and gas outbursts, but also lower the critical gas threshold for disaster...

Integrity-aware multi-sensor health monitoring of bridges via denoising variational autoencoder

Accurate bridge health monitoring is essential for safety, yet existing methods still suffer from false alarms and limited multi-sensor integration. This study proposes DAVE-PI (Denoising Autoencoder–Variational Embedding Probabilistic Index), a unified and reliable alarming fram...

Simultaneous temperature and strain monitoring of lithium-ion battery modules using fiber Bragg grating arrays

Lithium-ion batteries are subjected to coupled electrical, thermal, and mechanical stresses during operation, which may lead to significant safety risks. Conventional battery management systems, typically operating at the module level, have difficulty achieving simultaneous cell-...

High-entropy stabilized NASICON cathode with accelerated Na+ transport for flexible aqueous sodium-ion batteries

Flexible aqueous rechargeable sodium-ion batteries (ARSIBs) have become attractive options for wearable energy-storage systems. To achieve high-performance flexible ARSIBs, addressing the structural instability and sluggish Na + transport kinetics of Na 3 V 2 (PO 4 ) 3 (NVP) cath...

Amine-rich cross-linking templates enabling toughened self-assembled monolayer for stable perovskite solar modules

As the most popular hole-selective materials in efficient p-i-n perovskite solar cells (PSCs), self-assembled monolayers (SAMs) still remain great challenges in long-term stability due to their frail construction and week bonding. To form a toughened donor-acceptor interface, her...

Effect of Dimensional Compatibility Between rGO Sheets and B4C Particles on the Microstructure and Mechanical Properties of rGO–B4C Composites

The effect of dimensional compatibility between rGO sheets and B4C particles plays a critical role in governing the microstructure evolution and mechanical performance of rGO–B4C composites. In this work, rGO–B4C composites (5 wt.% GO addition) with varied initial B4C particle si...

Breaking Barriers Toward Practicality: Critical Materials and Strategies for High‐Energy‐Density Aqueous Zinc‐Ion Batteries

ABSTRACT Driven by the demands of grid‐scale energy storage and the electrification of transport, achieving superior energy density is pivotal to establishing a more sustainable and economically resilient battery ecosystem. However, aqueous zinc‐ion batteries (ZIBs), despite thei...

Pore-scale investigation of non-isothermal liquid water transport in gas diffusion layers with temperature-dependent surface tension

A stochastic reconstruction method and the Volume of Fluid (VOF) model are combined to investigate non-isothermal liquid water transport in a Toray-060 gas diffusion layer (GDL). The equilibrium water-air surface tension is prescribed as a function of temperature, and conjugate h...