Jinhua Wang
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View article: Exploring the potential of ammonia as a fuel: Advances in combustion understanding and large-scale furnace applications
Exploring the potential of ammonia as a fuel: Advances in combustion understanding and large-scale furnace applications Open
View article: A 4-MA linear transformer driver for X-ray generation
A 4-MA linear transformer driver for X-ray generation Open
We have designed, assembled, and tested a 4-MA, 60-ns fast linear transformer driver (LTD), which is the first operating generator featuring multiple LTD modules connected in parallel. The LTD-based accelerator comprises six modules in par…
View article: Microscopic characteristics and weathering mechanism of pigment layers in Huashan Rock Art, Guangxi, China
Microscopic characteristics and weathering mechanism of pigment layers in Huashan Rock Art, Guangxi, China Open
View article: Effect of Steel Fiber Content on the Electrical, Electrothermal, and Thermal Conductivity Properties of Iron Tailings-Based UHPC
Effect of Steel Fiber Content on the Electrical, Electrothermal, and Thermal Conductivity Properties of Iron Tailings-Based UHPC Open
Iron tailings-based ultra-high-performance concrete (UHPC) was developed using iron tailings as aggregates, with steel fiber incorporation ranging from 0% to 2.5%. This study investigates the effects of steel fiber dosage and curing age on…
View article: Attempt of generating dual x-ray pulses for flash radiography on a 4-MV IVA accelerator
Attempt of generating dual x-ray pulses for flash radiography on a 4-MV IVA accelerator Open
The 4-MV four-stage induction voltage adder of the Jianguang-II flash x-ray accelerator was reconfigured to produce dual megavolt-level pulses (1–2 MV) with multi-ten kiloampere currents (20–50 kA), enabling adjustable interpulse intervals…
View article: Optimization of a Time-of-Arrival-Ridge Estimation Iterative Model for Ultra-Wideband Positioning in a Long Linear Area
Optimization of a Time-of-Arrival-Ridge Estimation Iterative Model for Ultra-Wideband Positioning in a Long Linear Area Open
Ultra-wideband (UWB) technology is widely used for high-precision indoor positioning due to its adaptability to various environments. However, in long linear areas, such as tunnels or corridors, the near-linear deployment of base stations …
View article: In Situ Nitrogen-Doped Carbon-Coated Nickel Nanoparticles Derived from Hofmann Metal-Organic Frameworks for Efficient Bond-Hydrogenation and Cleavage of C-O Linkages
In Situ Nitrogen-Doped Carbon-Coated Nickel Nanoparticles Derived from Hofmann Metal-Organic Frameworks for Efficient Bond-Hydrogenation and Cleavage of C-O Linkages Open
View article: Turbulent Flame Structures of Premixed Prevaporized N-Heptane/Air in Thin and Broken Reaction Zone Regimes
Turbulent Flame Structures of Premixed Prevaporized N-Heptane/Air in Thin and Broken Reaction Zone Regimes Open
View article: Fracture and Pore Structure Evolution in Acid-Treated Basalt: Insights into Co2 Reservoir Conditioning
Fracture and Pore Structure Evolution in Acid-Treated Basalt: Insights into Co2 Reservoir Conditioning Open
View article: Multi-Functional Ionic Liquid Containing Allyl Imidazole Exhibits Bactericidal, Slime Dispersion and Corrosion Inhibition Properties
Multi-Functional Ionic Liquid Containing Allyl Imidazole Exhibits Bactericidal, Slime Dispersion and Corrosion Inhibition Properties Open
View article: Preparation of egg-structured ceramsites from molybdenum tailings with improved properties
Preparation of egg-structured ceramsites from molybdenum tailings with improved properties Open
Conversion of solid waste tailings into building materials is an effective way to turn waste into resources as well as resolve the problems of their accumulation and pollution. Herein, in this paper, light-weight and high strength molybden…
View article: Flame morphology and laminar flame assessments affected by flames interaction using multi-ignition sources of NH3/H2-air flames
Flame morphology and laminar flame assessments affected by flames interaction using multi-ignition sources of NH3/H2-air flames Open
A detailed assessment of flame–flame interaction and laminar flame evolution using multi-ignition sources is experimentally studied. To understand the flame interaction, the centrally ignited flame is measured and calculated for comparison…
View article: Large Eddy Simulation of the Effect of Hydrogen Ratio on the Flame Stabilization and Blow-Off Dynamics of a Lean CH4/H2/Air Bluff-Body Flame
Large Eddy Simulation of the Effect of Hydrogen Ratio on the Flame Stabilization and Blow-Off Dynamics of a Lean CH4/H2/Air Bluff-Body Flame Open
This study investigated the flame structure and dynamics of a bluff-body flame when numerically close to blow-off conditions. This includes the impact of the hydrogen ratio on lean CH4/H2/air flame stabilization and blow-off characteristic…
View article: Effects of Combustor Wall Temperature on the Outer Recirculation Zone Combustion Modes Transition in Lean Premixed Dme/Air Swirl Flames
Effects of Combustor Wall Temperature on the Outer Recirculation Zone Combustion Modes Transition in Lean Premixed Dme/Air Swirl Flames Open
View article: Hyphae and organic acids of Aspergillus Niger promote uranium recovery by destroying the ore surface and increasing the porosity and permeability of ores
Hyphae and organic acids of Aspergillus Niger promote uranium recovery by destroying the ore surface and increasing the porosity and permeability of ores Open
To elucidate the mechanism of damage caused by hyphae and organic acids produced by Aspergillus Niger on the surface and internal structure of uranium ore, direct uranium leaching, indirect uranium leaching and semi-direct uranium leaching…
View article: Effects of temperature and composition inhomogeneity on the ignition characteristics of NH3/H2 co-firing fuels under HCCI operating conditions
Effects of temperature and composition inhomogeneity on the ignition characteristics of NH3/H2 co-firing fuels under HCCI operating conditions Open
The application of ammonia (NH3) in combustion devices, such as internal combustion engines (ICEs), is expected to largely reduce the greenhouse gas (CO2) emission. NH3/H2 cofiring fuels in homogeneous charge compression ignition (HCCI) en…
View article: Large-eddy simulation of the Darmstadt multi-regime turbulent flame using flamelet-generated manifolds
Large-eddy simulation of the Darmstadt multi-regime turbulent flame using flamelet-generated manifolds Open
View article: Effects of chamber geometry, hydrogen ratio and EGR ratio on the combustion process and knocking characters of a HCNG engine at the stoichiometric condition
Effects of chamber geometry, hydrogen ratio and EGR ratio on the combustion process and knocking characters of a HCNG engine at the stoichiometric condition Open
Stoichiometric operation natural gas engine can achieve low emissions and high-power output by combining EGR and three-way catalytic converter. However, under high load conditions, engine performance will be deteriorated due to the knockin…
View article: Mechanism of no-wear super-slip design of tribo-pair in load lifting and friction reduction
Mechanism of no-wear super-slip design of tribo-pair in load lifting and friction reduction Open
The concept of “super-slip design” is used to investigate the influence of multiple factors on the opening and frictional forces of a tribo-pair with microscale grooves. The results demonstrate that significantly improving the load-carryin…
View article: A novel fusion denoising algorithm of spectral subtraction and Wiener filtering for MEMS magnetic signal in PDR positioning
A novel fusion denoising algorithm of spectral subtraction and Wiener filtering for MEMS magnetic signal in PDR positioning Open
PDR positioning is currently the core issue of autonomous positioning, there is a problem of high noise and interference in dynamic measurement using PDR (Pedestrian Dead Reckoning) MEMS (Micro-Electro-Mechanical System) device, which is o…
View article: Experimental study on burning velocity, structure, and NOx emission of premixed laminar and swirl NH3/H2/air flames assisted by non-thermal plasma
Experimental study on burning velocity, structure, and NOx emission of premixed laminar and swirl NH3/H2/air flames assisted by non-thermal plasma Open
This paper investigates the effect of dielectric barrier discharge (DBD) plasma on premixed laminar and swirl NH3/H2 flames by applying a coaxial DBD to the unburned gas mixture. We focused on analyzing the flame structure, burning velocit…
View article: Experimental Study on the Effect of Hydrogen Addition on the Laminar Burning Velocity of Methane/Ammonia–Air Flames
Experimental Study on the Effect of Hydrogen Addition on the Laminar Burning Velocity of Methane/Ammonia–Air Flames Open
Variations in methane–ammonia blends with hydrogen enrichment can modify premixed flame behavior and play a crucial role in achieving ultra-low carbon emissions and sustainable energy consumption. Current combustion units may co-fire ammon…
View article: A Study on Combustion Characteristics of Insensitive Triple-Base Propellant
A Study on Combustion Characteristics of Insensitive Triple-Base Propellant Open
Research on combustion characteristics can provide basic information and theoretical support for the design of insensitive propellant. This work aims to investigate the combustion characteristics of insensitive triple-base propellant. All …
View article: Analysis of Pressure Effect on Three-Dimensional Flame Surface Density Estimation
Analysis of Pressure Effect on Three-Dimensional Flame Surface Density Estimation Open
In experiments, flame surface density (FSD), defined as flame area per volume, is usually approximated by its two-dimensional (2D) value, as flame length per area. However, this approximation may underestimate the flame wrinkle due to the …
View article: Modelling Intermediate Species in Partially Premixed Turbulent Combustion Based on the LES-FGM Method
Modelling Intermediate Species in Partially Premixed Turbulent Combustion Based on the LES-FGM Method Open
The LES of partially premixed turbulent flame MRB in TU Darmstadt was conducted based on the flamelet-tabulated combustion model FGM, and effects of premixed and partially premixed tabulations on the modelling results were studied. The res…
View article: CFD SIMULATION OF A SCALED MODEL OF THE STORAGE WELL IN SPENT FUEL DRY-STORAGE SYSTEM OF HTR-PM600
CFD SIMULATION OF A SCALED MODEL OF THE STORAGE WELL IN SPENT FUEL DRY-STORAGE SYSTEM OF HTR-PM600 Open
The spent fuel dry-storage system of the HTR-PM600 in China is consist of six regions, with each composed of multiple wells. The spent fuel canisters are located vertically in the well. To accurately describe the flow resistance characteri…
View article: Propagation and Burning Velocity of Iron-Methane-Oxygen-Nitrogen Turbulent Expanding Flames
Propagation and Burning Velocity of Iron-Methane-Oxygen-Nitrogen Turbulent Expanding Flames Open
View article: Characteristics and adjustment strategies of reservoir agglomeration driving state in narrow channel sand body
Characteristics and adjustment strategies of reservoir agglomeration driving state in narrow channel sand body Open
With the continuous growth of economy, we are more and more aware of the importance of energy and its preciousness. In the production of crude oil, the narrow channel is the best location for oil storage, and the underlying sand body often…
View article: Planar Laser Induced Fluorescence of OH for Thermometry in a Flow Field Based on Two Temperature Point Calibration Method
Planar Laser Induced Fluorescence of OH for Thermometry in a Flow Field Based on Two Temperature Point Calibration Method Open
In view of the uncertainty in the calibration process of two-color plane laser-induced fluorescence (PLIF) temperature measurement, a new calibration method is proposed, in which the influence of fluorescence yield is considered. The calib…
View article: Convergence rate of the relaxed CQ algorithm under Hölderian type error bound property
Convergence rate of the relaxed CQ algorithm under Hölderian type error bound property Open
The relaxed CQ algorithm is one of the most important algorithms for solving the split feasibility problem. We study the issue of strong convergence of the relaxed CQ algorithm in Hilbert spaces together with estimates on the convergence r…