Nanjing Institute of Technology

Multi-timescale voltage optimization and control for distribution networks based on regional priority evaluation and deep reinforcement learning

Abstract With the increasing penetration of distributed photovoltaic (PV) generation, energy storage systems, and other flexible resources in distribution networks, conventional voltage regulation methods struggle to address both overvoltage and undervoltage violations and to coo...

Brønsted Acid-Catalyzed Nitroso-Diels–Alder Reaction of 2-Trifluoroacetamido-1,3-dienes

Abstract The nitroso-Diels–Alder (NDA) reaction represents a powerful strategy for the assembly of 3,6-dihydro-1,2-oxazines for nearly a century, owing to its efficiency and broad utility in synthesizing natural products and bioactive molecules. Despite these advancements, tradit...

Climate-Risk-Aware Offshore Wind Farm Layout Optimization Under Non-Stationary Wind Resources

Offshore wind farms are typically optimized using a stationary historical wind rose, although development and operation span decades. This study presents CRA-WLO, a scenario-based screening framework coupling a piecewise-smooth engineering wake model, four stylized climate-resour...

Distributive effects of climate change: How does rising temperatures affect energy allocation between cities?

The impact of rising temperatures on cities is heterogeneous, leading to a reallocation of energy between cities. However, whether this redistribution is detrimental remains unclear. Based on panel data of 261 cities in China from 2006 to 2021, this study examines how rising temp...

Pressure load fluctuations of sector plates in a tri-sector rotary air preheater

A tri-sector rotary air preheater installed in a 350 MW generating unit was investigated to clarify the fluctuating pressure loads acting on the sector plates and their influence on sealing performance. A three-dimensional transient computational fluid dynamics model was develope...

Chemical Looping Reforming of Methane Coupled with CO2 Splitting Using a Sol–Gel-Derived LaFe0.4Co0.6O3 Oxygen Carrier

Abstract Chemical looping reforming of CH4 coupled with CO2 splitting (CLRCS) is an attractive technology that enables covalorization of CO2 and CH4 to high- value syngas. In CLRCS, oxygen carriers shuttle oxygen from CO2 to CH4, enabling selective methane partial oxidation and C...

A hierarchical collision free path planning method for multi line spatial distributed welding of non standard workpieces

This paper presents a hierarchical path planning method for automatic generation of collision-free welding paths for non-standard workpieces with complex spatial weld distributions. Weld seam information is interactively extracted from CAD models using OpenCASCADE. Path nodes are...

Influence of glaze-iced insulators on force and motion characteristics of charged water droplets under DC voltage and natural icing test validation

Glaze ice exhibits high density and strong adhesion, readily forming ice bridges that impair insulator performance. While previous studies have primarily concentrated on macroscopic icing behavior under AC or DC fields, the role of icicles in affecting the motion of charged water...

Architected Spatially Deterministic Multiscale Phase Segregation in Block Copolymer Composites for Augmented Radiative Cooling

ABSTRACT Passive radiative cooling, which reflects solar irradiation while emitting heat through the atmospheric window, provides a sustainable solution for zero‐energy thermal management. Simultaneously achieving high solar reflectivity and infrared emissivity remains challengin...

Li-TFA modulated Li-Sb dual-cation synergy enables efficient and mechanically stable flexible CZTSSe Solar Cells

Flexible kesterite Cu 2 ZnSn(S,Se) 4 (CZTSSe) thin film solar cells inherently suffer from defect-dominated carrier recombination and poor mechanical flexibility durability. Herein, a Li-TFA-assisted Li-Sb co-doping strategy is proposed for the regulation of various defects. Sb p...

Effect of Heat Treatment on Tribological Behavior of Cr12Mo1V1Co Steel

Relationships among processing, microstructure, and properties of Cr12Mo1V1Co steel under various quenching and tempering conditions were systematically investigated, with particular emphasis on tribological behavior. The microstructural evolution during heat treatment was charac...

Spatiotemporal Evolution of Interfacial pH and H2 Level During Degradation of Mg-Al-Y-Zn-Gd Alloys in Hanks’ Balanced Salt Solution

Understanding the dynamic interfacial microenvironment of degrading Mg alloys is critical for elucidating the evolution of localized corrosion under physiological conditions. Here, spatially resolved microsensors were used to characterize the local pH and H2 concentration at the...

Electropulsing-driven rapid reversible phase transformations in Al-Mg-Si-Cu alloys

The electrical free-energy term, ΔGe, has been widely used to rationalize electropulsing-driven ultrafast precipitation and homogenization in age-hardenable alloys. However, its quantitative contribution relative to enhanced kinetics to phase transformation remains unclear. Here,...

Antisolvent Engineering Enabled Stretchable and Transparent Thermogalvanic Hydrogels with High Thermoelectric Properties

ABSTRACT Ionic thermogalvanic hydrogels with high ionic thermopower are promising for wearable power supply. However, due to the presence of solid network, their ionic conductivities are still low, limiting their power densities. Herein, a facile and effective enhancement strateg...

Machine Learning-Assisted Nanozyme–Porphyrin Dual-Channel Sensor Array for Glycosaminoglycan Pattern Recognition

Abstract Selective discrimination of glycosaminoglycans (GAGs) is crucial for drug safety and quality control but remains challenging because GAGs share similar disaccharide repeating units and overlapping polyanionic features. Nanozyme-based sensor arrays offer a cross-reactive...

Ultra-Local Model-Based Finite-Time Sliding Mode Control Using Neural Network Observer for Quadrotor Position and Attitude

In this paper, an ultra-local model-based finite-time sliding mode control (ULM-FTSMC) method is developed for tracking quadrotor position and attitude in the presence of uncertainties and external disturbances. Based on an ultra-local model technique, the proposed ULM-FTSMC sche...

Four-Wheel Independent Steering Stability Control Based on VSR-ANMPC

To address the problems of poor steering smoothness and handling stability for four-wheel independent steering (4WIS) vehicles, this paper presents an adaptive nonlinear model predictive control (ANMPC) strategy based on variable steering ratio (VSR). First, a two-degree-of-freed...

Estimates for Linear Wave Equation with Scale-Invariant Damping

This study is devoted to deriving precise pointwise estimates for the linear Cauchy problem of the wave equation with scale-invariant damping. The proof relies on representing the solution via Fourier integral operators and employing techniques from microlocal analysis. As an app...

Mechanistic insights into the divergent pathways of Bayer and Sintered red mud additives in synergistic NO/SO2 conversion during coal co-combustion

As a large amount of solid waste residue generated from alumina industry, the resource utilization of red mud (RM) in fluidized bed is of great significance for achieving pollutant reduction. In this paper, the synergistic conversion mechanisms of NO and SO2 during coal co-combus...

Speckle-Assisted Binocular 3D Reconstruction of Asphalt Pavement with a Multi-Scale Adaptive Feature Fusion Algorithm

To address the challenges of unreliable feature matching, high mismatch rates, and limited reconstruction accuracy in binocular stereo vision applied to asphalt pavement with inherent weak texture features, this paper proposes a speckle-assisted binocular 3D reconstruction method...