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A Conservative Solid-Gas Coupling Scheme with Overlapping Meshes for Combustion Simulation of Propellants with Voids Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-03-15 Shuo Yang, Jiangliu Huang, Lipo Wang, Shengjie Yin, Yongxing Shen
A conservative coupling scheme with overlapping meshes for the combustion simulation of propellants with voids is established. The two main ingredients of this scheme are the conservative calculati...
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Optimizing Chemical Reaction Mechanisms: Evaluating Parameter-Free Metaheuristic Algorithms and Gradient-Based Optimization Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-03-14 Pabitra Badhuk, Nikhil Verma, R. V. Ravikrishna
In the present work, we compare the performance of four different metaheuristic algorithms in reaction mechanism optimization problems. Mechanism optimization is an essential step to develop detail...
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Determination of Coal Spontaneous Combustion Zone in Overlaying Multilayer Goaf and Its Control Technology of Thickened Slurry Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-03-13 Xiaoying Wu, Yi Lu, Wangxin Gu, Shunbo Xing, Jingjing Li, Xin Guo, Jianfeng Peng
In order to study the law of coal spontaneous combustion and prevention methods in the overlying multilayer goaf, this study combined the situation of 378 working face and overlying multilayer goaf...
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Emission and Heat Release Characterization of Propane/Syngas Mixture Diffusion Flame Under Oxygen-Enhanced Combustion and Preheated-Air Combustion Conditions Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-03-13 Bigeud Bouhentala, Amar Hadef, Aouachria Zeroual, Abdelbaki Mameri
In this study, the emission and heat release characterization of propane/syngas opposed jet diffusion flame under oxygen-enhanced and preheated-air combustion conditions was conducted. The impacts ...
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Features of the Mechanism of Gas-phase Ignition of Wood Biomass Particles Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-03-13 G. V. Kuznetsov, S. V. Syrodoy, Zh. A. Kostoreva, A. A. Kostoreva, M. V. Purin, N. A. Nigay, R. R. Zamaltdinov
Use of woody biomass instead of coal as fuel for thermal power plants (TPP) is considered a promising direction for reducing emissions of anthropogenic substances during the operation of coal-fired...
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In-Situ Flame-Synthesized Carbon Nanomaterials via an Impinging Swirl Flow with an N-Butanol Pool Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-03-13 Hao-Lin Hsu, Wei-Chieh Hu, Chia-Ming Hsu, Ta-Hui Lin, Pratyusha Das, Sumanta Bera, Shuhn-Shyurng Hou
This study aims to investigate the impact of flow rotation and oxygen concentration on the synthesis of carbon nanomaterials using n-butanol diffusion flames in a rotating stagnation flow with a li...
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The Influence of Ozone on the Flame Propagation Behavior of n-Heptane/air and i-Octane/air Premixed Flame in an Engine-Relevant Environment Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-03-13 Akira Kuramochi, Eiichi Takahashi, Makihito Nishioka
The promotional effect of ozone on lean premixed spherical flame propagation in an engine-relevant, high-temperature, high-pressure environment was investigated using an optically accessible rapid ...
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Effects of Aqueous Solution and Immersion Duration on Spontaneous Combustion Characteristics of Weakly Caking Coal Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-03-11 Yang Xiao, Yong-Tao Guo, Yi-Ke Huang, Lan Yin, Kai-Qi Zhong
Coal spontaneous combustion (CSC) severely affects the development of the coal industry and threatens the safety of coal miners. This study investigated how immersing coal in aqueous solution affec...
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Modelling of the Flame Surface Density Transport During Flame-Wall Interaction of Premixed Flames within Turbulent Boundary Layers Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-03-10 Sanjeev Kumar Ghai, Umair Ahmed, Nilanjan Chakraborty
A priori Direct Numerical Simulation (DNS) analysis of the modelling of the generalised flame surface density (FSD) transport equation in the framework of Reynolds Averaged Navier-Stokes (RANS) sim...
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Experimental Study on the Micro-Structure of Lignite and Its Explosive Solid Residue Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-03-06 Chao Peng, Baisheng Nie, Jie Gong, Wanrong Liu
Lignite reserves in the world’s various coal reserves in the first place. To take a qualitative and quantitative analysis on the change characteristics of the microstructure of lignite before and a...
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Study on the Mechanical Degradation and Destruction Characteristics of Coal Oxidation Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-03-07 Shuang Liu, Jiangkun Chao, Rongkun Pan, Maosheng Yang, YingFeng Yuan, Liang Wang
Deep coal bodies are often in high stress and high temperature environments. To study the effects of stress and temperature on the mechanical degradation and failure characteristics of coal samples...
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Experimental Study on Effects of Moisture Content and Tree Height on Crown Fire Behaviors of Live Cypress Trees Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-03-05 Eryuan Wang, Huaxian Wan, Albert Simeoni, Chunjie Mou, Yuchun Zhang
Once a fire occurs in urban green belts, the live foliage of some tree and shrub species with larger moisture content than dead fuel can support fire spread, which poses a great threat to the wildl...
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Effects of Ramp-Induced Incident Shock Impingement Under Various Slope Angle Configurations in a Strut-Based/Cavity-Assisted Supersonic Combustor Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-03-04 Phuong-Nam Nguyen, Quang-Sang Vo, Duc-Huy Ta, Van-Minh Le
The present study conducts a numerical investigation into the effects of ramp-induced shock impingement with different opening angles on the global flow-field and combustion behaviors within a stru...
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Effect of Volatile-Char Interaction on Biochar Containing N/O-Functional Group During Reburning Denitrification Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-03-05 Rui Ma, Hai Zhang, Weidong Fan
The influence of functional groups such as N/O and microcrystalline structure in biochar on NO reduction is critical. The interaction between volatile and char can significantly alter the activity ...
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Knock Prediction Improvement with Application to the Analysis of Knock Mitigation with Targeted Water Injection in SI Engines Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-03-04 Feifan Ji, Shuo Meng, Zhiyu Han
Knock is a crucial limiting factor for improving the thermal efficiency of spark-ignition gasoline engines. However, effective suppression of knock in an engine and accurate prediction of knock occ...
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PLIF Flame Study on the Qualitative and Quantitative Measurement of OH Species for Conventional and Alternative Jet Fuels; Experimental and Theoretical Investigations Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-03-04 Hossein S. Saraee, Kevin J. Hughes, Si Shi, Mohamed Pourkashanian
The hydroxyl molecule is one of the most important intermediate species in the chemistry of combustion processes and plays an important role in the chemical reactions of a hydrocarbon-air flame. Ho...
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Numerical Investigation of Hydrogen Combustion in a Chamber with Guide Ring and Double Jets Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-02-29 Xiangting Sun, Zhuoxiong Zeng, Ruibing Wu
To investigate the turbulent flow in a combustor with double jets and guide ring, the simulated cases include different guide ring angles of 95°, 105°, 115°, 125° and 135°. The distributions of vel...
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Development of Curcumin Composite Gel Inhibitor for Preventing Spontaneous Combustion of Coal Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-02-29 Zhian Huang, Yongrui Yang, Zhengqing Zhou, Yinghua Zhang, Hao Ding, Jinyang Li, Yukun Gao, Danish Jameel, Pengfei Wang
To improve their whole-stage inhibition effects on the spontaneous combustion of coal, curcumin (CCM) and chitosan (CTS) were grafted, and the natural nanomaterial montmorillonite (MMT) was used fo...
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Computational Study on Compressor-Combustor Interactions for Improved Matching of a Micro Gas Turbine Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-02-29 Jingke Su, Anxiong Liu, Kun Luo, Kai Liu, Yuzhou Cheng, Jianren Fan
Understanding complex aerodynamics/combustion interactions across major components of aeroengines, including the compressor, combustor and turbine is demanded for the improved performance of advanc...
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Study on Pressure Relief, Pre-Splitting, Softening and Gas Extraction in Highly Tough and Extra-Thick Outburst Coal Seams with Hard Roofs: A Case Study Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-02-28 Shangkun Shen, Haifeng Wang, Kun Zhao, Zhengyang Xin
With Yushutian Coal Mine as the engineering background, the feasibility of pressure relief, pre-splitting and softening (PPS) by adjacent seam mining and its impact on top coal caving and gas extra...
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Study on the Influence of Porous Gel on Coal Pyrolysis Performance Based on Experiments and Molecular Simulation Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-02-26 Du Haigang, Song Yuanyuan, Dong Xuechao, Zhang Qian, Lu Wei, Hu Xiangming
Studying the kinetics of pyrolysis in pure coals and mixed coals (coals treated with porous gel) holds immense significance in effectively preventing and controlling the spontaneous combustion occu...
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Study on the Inhibition Effect and Mechanism of Ferrocene/NaHCO3 Composite Powder on Oil Shale Dust Explosion Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-02-26 Xiangbao Meng, Li Liu, Jihe Chen, Yang Liu, Tong Wang
In order to increase the dispersibility of sodium bicarbonate and improve its inhibitory effect on oil shale dust explosion, this paper uses dry mechanical ball milling method to mix it with differ...
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Study on the Influence of Different Gas Concentrations on Coal Spontaneous Combustion Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-02-22 Tong-Shuang Liu, Wei-le Chen, Yong-Jun He, Jun Deng, Cai-Ping Wang, Hao-Jia Li
The coexistence of gas and spontaneous coal combustion poses a serious threat to mine production safety. Therefore, studying the compound disaster of gas and spontaneous coal combustion and reveali...
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Measurement of Gas Temperature Around a Burning Droplet: Thin Filament and Soot Pyrometry Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-02-22 S. Jiménez
A common setup for the study of liquid fuel combustion involves hanging a droplet from one or several tiny fibers. This paper explores the capabilities and limitations of thin filament pyrometry (T...
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Simulation Study on the Influence of Chimney Structure on the Efficiency of Gravity Heat Pipes for Controlling Spontaneous Combustion in Coal Waste Rock Piles Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-02-22 Aihao Xie, Bailin Zhang, Xinghua Zhang, Yanxin Zhang, Zekun Cao
Heat pipe is an efficient heat transfer element. Using heat pipes to control spontaneous combustion of coal gangue piles is a simple and effective method. However, the heat conducted by the heat pi...
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Lean Biogas-Air Mixture Combustion on Porous Burner with a Flamethrower Ignition System Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-02-22 Rafael Magalhães Siqueira, Welkson Carneiro Araújo, Gabryel Ferreira Alves, João Victor Teixeira Alves, William Magalhães Barcellos
Combustion in a porous medium burner is an effective technology that deals with low heat capacity fuels, producing low emissions of pollutant gases. Experimental investigations of filtration combus...
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Large Eddy Simulation Combined with System Identification Method to Analyze Non-Premixed Flame Transfer Function Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-02-20 Ziyang Zhang, Chenzhen Ji, Deng Pan, Chao Zong, Jinrong Bao, Biao Deng, Tong Zhu
The heat release response (HRR) of the flame is a pivotal aspect of combustion instability investigation, commonly characterized by the Flame Transfer Function (FTF). This study employed a combinat...
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Design Optimization of an Improved Mud Cookstove Using Computational Fluid Dynamics Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-02-20 Saurabh Dhakare, Roshan Wathore, Hemant Bherwani, Ankit Gupta, Ashwinkumar S Dhoble, Nitin Labhasetwar
The present study focuses on optimizing the design and performance of natural draft mud-based cookstove (MBC) using the CFD tool ANSYS Fluent. The study simulates the performance of the MBC over di...
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FTIR Characterization and Thermal Decomposition Kinetics of AN/AP-Based Composite Solid Propellants Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-02-19 Prabhat Dattakumar Phondekar, Shelly Biswas
Solid Rockets are one of the most efficient and reliable rockets, but production of chlorine gases in the exhausts of these rockets is a major drawback. The toxic exhaust is due to the presence of ...
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Combustion Behavior of Fuel Droplets with Metallic, Non-Metallic and Organo-Metallic Boron Additives Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-02-15 Rıdvan Küçükosman, Hüseyin Değirmenci, Ahmet Alper Yontar, Kasim Ocakoglu
There is considerable interest in the utilization of fuels derived from boron materials, with their high calorific value, in various applications ranging from propellants to pyrotechnics. Conversel...
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Effect of Impingement Angle on Flame Stability in a Non-Premixed Methane/Oxygen Diffusion Flame Burner Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-02-12 M. L. L. Ianuzzi, J. M. Hollingshead, A. C. Risha, J. D. Moore, G. A. Risha
The focus of this research was understanding the effect of varying the secondary flow impingement angle of a single coaxial injector in an experimental non-premixed flame burner on flame stability....
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Effect of Porous Wall on Detonation Propagation Velocity in Hydrogen-Oxygen Mixtures Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-02-12 Ao Peng, Weikang Liu, Xuxu Sun, Rongqin Luo, Junyu Pan, Xianfeng Chen, Gang Zhang, Xiankai Zhang, Jihao Shi
In this paper, the effect of flexible and rigid porous wall on the detonation propagation velocity in hydrogen-oxygen mixtures is investigated systematically. The roles of hydrogen concentration, i...
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Transition Process of Mach Reflection for Premixed Mixtures with Different Stability Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-02-08 Zhao Huanjuan, Liu Jing, Pang Lei
Shock wave reflection on the wedge has garnered wide application. This paper investigated transition process of the Mach reflection of cellular detonation for premixed mixtures with different stabi...
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Spontaneous Coal Combustion, Direct and Indirect Impact on Mining in China: A Prospective Review and Proposal of a Five-Level Comprehensive Mine Safety Management Structure (5L-CMSMS) Coupled with Hazard Zoning and Barrier Systems Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-02-05 Amartey Ernest Nii Laryea, Ren Wanxing, Guo Qing, Kang Zenghui
To prevent, predict, control, and reduce the catastrophe caused by spontaneous coal combustion (SCC), and the subsequent direct and indirect adverse impact on the environment and health, this revie...
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Evaluating the Temperature Profile in a Branched Tunnel Fire with Various Ramp Slopes: An Experimental Study Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-01-24 Jiaxin Li, Yanfeng Li, Junmei Li, Desheng Xu
This study conduct a set of small-scale experiments to examine the combined impact of ramp slopes and bifurcation angles on the longitudinal temperature profile beneath the ceiling of a model of br...
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Single Room Fire Traceability and Prediction Models Based on Deep Learning Methods Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-01-22 Zhiyuan Cao, Linxiang Hu, Manjiang Yang, Fangzheng Wu, Xiaoping Liu
When a fire occurs, fast recognition on key information of the fire based on limited data available and predict fire smoke motion trends from limited fire information is desirable to develop effect...
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Flame Deflector Modification for Improved Combustion Efficiency in Domestic Gas Ovens Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-01-22 Ahmet Ilyas Kodal, Efe Can Yilmaz, Sule Kapkin
This research aimed to examine the effect of port placements in the flame deflector on the combustion efficiency of the grill burner within a domestic gas oven. Six different configurations of the ...
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Study on the Inhibition Effect of C6F12O on Charged Particles in the Flame of Transformer Oil Discharge Gas Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-01-19 Shuang S. Tian, Zhe Li, Chen Y. Li, Xiao X. Zhang
The accidental combustion of insulating oil poses a significant risk in the event of transformer failure. The charged particles generated through the combustion ionization reaction exert considerab...
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Ignition Probability of Turbulent Non-Premixed Swirling Flames in a Double-Swirl Burner Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-01-18 Hamidreza Tajik, Sadegh Tabejamaat, Alireza Fazlollahi-Ghomshi, Masoud EidiAttarzade
In this paper, the effect of swirl number on mixing structure and ignition probability in turbulent non-premixed natural gas/air flame has been investigated. The flames are visualized by a digital ...
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Development of a Compact Skeletal Mechanism for Thermally Cracked Hydrocarbon Fuels Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-01-13 Dingrui Zhang, Jian Liu, Fanli Shan, Lingyun Hou
The construction of a compact kinetic mechanism for thermally cracked hydrocarbon fuels holds great importance for developing advanced engine with regenerative cooling. In the present study, a skel...
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Assessment of Agent Avoidance Behavior in the Face of Fire Hazards Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-01-11 Tao Wang, Chengao Wang, Yanfu Wang
An assessment approach is proposed to assess the injury consequences of evacuation in the face of fire hazards, taking into account the spatial-temporal distribution of fire hazards and the time-va...
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Experimental Observation of Flame Propagation Behavior of Hydrogen Enriched Flames Upstream of a Flame Arrester Housing with Parallel Plates as the Arrester Element Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-01-10 Manuel A. Kiony Nzinga, Marcos Dall Agnol, Maria E. Pereira Pintos, Andrés Z. Mendiburu
The phenomenon of flame propagation in closed and semi-open ducts that have no obstacles is of interest due to the need to include alternative fuels into the energetic matrix. Tulip flames can deve...
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Research on the Effect of Wind Direction and Speed on the Distribution of Coal Temperature Field Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-01-09 Liu Zhongyu, Guo Qing, Ren Wanxing
Insufficient handling of spontaneous combustion in coal piles arises from the influence of natural wind during the piling process, resulting in the displacement of the heat source. To investigate t...
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Prediction of Flame Type and Liftoff Height of Fuel Jets in Turbulent Hot Coflow Using Machine Learning Methods Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-01-08 Jiayue Liu, Guijun Liu, Jiahao Wu, Guihua Zhang, Yuxin Wu
Precise predictions of flame types and autoignition locations of jet flames in hot turbulent coflow are crucial for the stable and efficient operations of many advanced combustors. In order to achi...
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Inorganic-Organic Antioxidant Gel for Preventing the Spread of Forest Fires Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-01-08 Zhengqing Zhou, Yulong Zhang, Ciai Tang, Ruoxin Cong, Qiang Zhang, Zhiming Bai, Wenbo Yuan, Jinguo Sang, Wei Tian
It is easier and cheaper to prevent forest fires than to extinguish them, therefore, the development of long-lasting and environmentally friendly fire-retarding materials is highly desirable to pre...
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The Primary Breakup and Atomization Characteristics of Liquid Jet in Crossflow at the Fixed Momentum Ratio and Weber Number Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-01-04 Meng Shao, Zhixia He, Qian Wang
The primary breakup behaviors of injected fuel were investigated by high fidelity simulation. The influence of various parameters on the breakup and atomization was analyzed at the fixed momentum r...
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The Combustion and Mechanical Properties of Guanidine Phosphate-Boron Compound-Silica Sol Composite Flame Retardant on Wooden Structure Building Components Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-01-05 Xinli Zhao, Shanyang Wei, Yunyun Chu, Cong Li, Hongyu Yang
In order to develop a kind of wood with excellent flame retardancy properties, guanidine phosphate, boron compounds and silica sol were used as the main materials to formulate flame retardant solut...
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DFT Study on the Behavior of 3-Butenamide During Pyrolysis: Formation of NOx Precursors and Cyclization Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-01-04 Xuesong Liu, Jun Shen, Ziqi Wang
The nitrogen component in kitchen waste is converted into amines/amides during pyrolysis, which are then converted into nitriles and heterocycles, accompanied by the formation of nitrogen oxides pr...
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Facile Grinding Method for Preparing Nano-Cu-Cr-Fe Composite Metal Oxides with Enhanced Catalytic Activity for Thermal Decomposition of Ammonium Perchlorate Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-01-03 Jiahao Yu, Yong Kou, Peng Luo, Yiwen Hu, Hongxu Gao, Fengqi Zhao, Wei Jiang, Lei Xiao, Gazi Hao
Ammonium perchlorate (AP) is a commonly used oxidant for solid propellants, and improving the thermal decomposition performance of AP has been the focus of research, as its thermal decomposition pe...
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Study on the Properties of Proanthocyanidins Modified Temperature Sensitive Gel Composite Inhibitor for Inhibiting Coal Spontaneous Combustion Combust. Sci. Technol. (IF 1.9) Pub Date : 2024-01-02 Zhian Huang, Ziwei Ling, Hongsheng Wang, Hao Ding, Qianming Liu, Xiaoce Di, Yinghua Zhang, Danish Jameel, Jiaze Ren, Pengfei Wang
To address the disadvantages of the single inhibition effect, poor inhibition effect and short inhibition life of the inhibitors used in coal mining, a temperature-sensitive gel composite inhibitor...
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A Prediction Model for Ceiling Temperature in the Ultra-Wide Road Tunnel Fire with Lateral Smoke Exhaust Combust. Sci. Technol. (IF 1.9) Pub Date : 2023-12-29 Jing Wang, Yuanlong Zhou, Haiquan Bi, Bo Lei, Qingxun Zeng
Ultra-wide road tunnel plays an important role in relieving traffic pressure. The lateral smoke exhaust system was used to control the fire smoke in the ultra-wide road tunnel. This study conducted...
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Investigation of Ash Deposition Characteristics in Full-Scale Circulating Fluidized Bed Boiler Burning Zhundong Coal Combust. Sci. Technol. (IF 1.9) Pub Date : 2023-12-29 Kunpeng Liu, Bo Wei, Jianjiang Wang, Jinrong Ma, Jiayi Lu, Jianfei Ma, Feng Wang, Houzhang Tan, Yibin Wang, Yaxin Zhang
Due to the high content of alkali and alkaline earth metals (AAEMs) in Zhundong coal, serious ash-related problems such as slagging and fouling occurred in the process of utilization, which has att...
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Rare Earth Metal (La, Ce, Nd, Eu) Doped Cu/Zr-PILC Catalysts for the Efficient NH3-SCR at Low Temperature Combust. Sci. Technol. (IF 1.9) Pub Date : 2023-12-29 Wenyi Liu, Xinpeng Wang, Chao Qu, Fanwei Meng, Fan Yang, Xin Zhang, Qing Ye
A series of RE-3Cu/Zr-PILC (RE = La, Ce, Nd, Eu) catalysts were prepared via an impregnation method and activities for NH3-SCR were evaluated. The physicochemical properties of each catalyst were e...
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Experimental Study on OH* Chemiluminescence and Emissions in the Single-Element Lean Direct Injection Combustor Combust. Sci. Technol. (IF 1.9) Pub Date : 2023-12-28 Qiandong Li, Jianqin Suo, Hongxia Liang, Yafeng Wu
OH* chemiluminescence and emissions of the convergent swirler module and the Venturi swirler module are studied in a single-element lean direct injection combustor. The OH* chemiluminescence images...
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Effects of Central Split Bluff Body on Combustion Characteristics and NOx Emission with Non-Premixed H2/Air Flames Combust. Sci. Technol. (IF 1.9) Pub Date : 2023-12-25 Qiaomai Liu, Song He, Jiarui Wang, Juan Xiao, Simin Wang
Considering the safety and flashback problems of hydrogen-fueled micro power generation using premixed combustion for thermophotovoltaic applications, we focused on non-premixed hydrogen/air combus...
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Research on the Explosion Venting Effect and Influencing Factors of Gas Explosion in Urban Shallow Pipe Trenches Combust. Sci. Technol. (IF 1.9) Pub Date : 2023-12-25 Ya Yang, Shigang Yang, Qin Fang, Xin Liu, Guolin Xu, Wensheng Sun
In this study, two groups of gas explosion venting tests were conducted based on a large-scale pipe trench test system (30 m length), and the numerical model of pipe trench was established through ...
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Ethanol Inhomogeneous Lean Combustion Under Different Ambient Temperatures and Pressures with Hydrogen Enrichment Combust. Sci. Technol. (IF 1.9) Pub Date : 2023-12-22 Ruihan Ge, Erjiang Hu, Xin Lv, Chenglong Tang, Zuohua Huang
The effects of different ambient temperatures and pressures on the combustion of hydrogen-enriched liquid ethanol spray were studied in a constant-volume vessel, using experimental and numerical me...
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Effects of Secondary Fuel Injectors Position and Angle on the Performance of a Miniature Trapped Vortex Combustor Combust. Sci. Technol. (IF 1.9) Pub Date : 2023-12-20 Qi Yuan, Yuan Li, Zhiping Guo, Yanfeng Zhang
This paper investigates the impact of different positions and angles of secondary fuel injector on the flow field characteristics, fuel-air mixing, and combustion performance of a miniature trapped...
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Reducing Persistently High NOx Emissions and the Risk of Hopper’s Thermal-Fatigue in a 600-MWe low-NOx Down-Fired Boiler Furnace with a Staged Arch-Firing Framework: Effect of the Primary-Burner Location Combust. Sci. Technol. (IF 1.9) Pub Date : 2023-12-19 Yiping Zhao, Min Kuang, Sheng Liu, Xiaoyang Wu, Shuting Cheng
To address high NOx emissions and the hopper’s overheating environment of a 600-MWe low-NOx down-fired boiler furnace, a staged arch-firing framework (SAF) was implemented. This included an enhance...
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Effect of Kaolin Addition on Combustion Behavior of Zhundong Coal Pellet Using Flame Emission Spectroscopy Combust. Sci. Technol. (IF 1.9) Pub Date : 2023-12-18 Yang Pu, Haofan Wang, Li Guo, Chun Lou
Kaolin, as an adsorbent, has been proven to be effective in inhibiting sodium release during high alkali coal combustion thereby alleviating severe slagging and fouling problems. Understanding the ...