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Publications (686)
Paraffin, which is often used as an additive in a variety of products, poses a substantial fire risk. Two strategies can be used to mitigate this risk: adhering to proper fire safety guidelines during use, and enhancing the flame-retardant properties of paraffin. Phosphorus-containing ionic liquids (ILs) offer potential advantages in improving the...
Distillation is widely used for separating liquid mixtures, but its high heating demand poses challenges for achieving net‐zero emissions. This study presents an innovative approach to electrifying distillation for load adaptability and flexible operation, aligning with dynamic electricity markets driven by renewables. The approach integrates flash...
Halogenated hydantoin is a fungicide and disinfectant employed in industrial and domestic environments, which divides 1,3-dichloro-5,5-dimethyl hydantoin, 1,3-dibromo-5,5-dimethyl hydantoin, and 1-bromo-3-chloro-5,5-dimethyl hydantoin based on different product types. Nevertheless, several thermal runaway incidents have occurred during applications...
In recent years, mine conveyor belt fire accidents have occurred frequently, and an enormous amounts of toxic smoke generated during fire accidents seriously threaten the lives and safety of miners. To evaluate the smoke toxicity from mining conveyor belt fires and determine the characteristic gases for early warning of the fire, the combustion per...
To investigate the comprehensive effects of the blocking ratio and the relative position of obstacles on the continuous explosion characteristics of the methane-air mixture, a series of explosion experiments were conducted in a 1.2 m long experimental tube. Methane concentration in the two connecting tubes was maintained at 10–12 vol.%, with obstac...
This study examined the fire suppression properties of flake black lead (FBL) and its improved version, FBL-ZB, which includes zinc borate (ZB). We created FBL-ZB by combining 68.0 mass% FBL with 17.0 mass% ZB. This combination underwent a rigorous preparation process that included stirring, filtration, and drying. The comparative analysis conducte...
The development of lithium-ion batteries (LIBs) has progressed from liquid to gel and further to solid-state electrolytes. Various parameters, such as ion conductivity, viscosity, dielectric constant, and ion transfer number, are desirable regardless of the battery type. The ionic conductivity of the electrolyte should be above 10−3 S cm−1. Organic...
Coal spontaneous combustion (CSC) events pose hazards to miners, infrastructure, and the environment. To mitigate some of the risk of CSC, this study explored the influence of airflow rate (AFR), oxygen concentration (OxyC), and heating rate (HR) on CSC. A temperature programmed experiment was used to examine a coal sample under different AFRs, Oxy...
This paper studied the minimum ignition temperature of the dust layer (MITL) of oil-immersed coal and the heat effect and apparent activation energy (Ea) of raw coal and oil-immersed coal. Based upon the results, the addition of crude oil to coal could reduce the MITL, ameliorate the ignition sensitivity, and increase the heat effect of coal dust....
This study presents an astrophysics-inspired transit search optimization (TSO) algorithm based on exoplanet search divided into five phases: galaxy phase, star phase, transit phase, neighbor phase and exploitation phase for effective parameter estimation of fractional Hammerstein control autoregressive (Fr-HCAR) systems. Various physical phenomena...
Wood is a primary building tool for ancient buildings and structures, but for those that survive to date, naturally aged wood may pose a noteworthy fire hazard. There are potential risks to health, safety, and substantial cultural loss if fire risks in such buildings are not mitigated. We obtained several samples of aged wood commonly used in ancie...
Kai Li Mingqi Bai Jing Dang- [...]
Yi Liu
Foaming agents are widely used in the processing of polymer materials. The p-toluenesulfonyl hydrazide (TSH), as a foaming agent, generates foams that are fine and uniform. However, the extensive heat produced during the thermal decomposition of foaming agents greatly increases the risk throughout the process. Accidents involving TSH have caused se...
Lubricating oil (LO) is an extensively applied fuel in industrial processes, often operating under high temperature and high-pressure conditions, which makes it prone to hot surface ignition. Hot surface ignition of LO is one of the potential sources of fire incidents in industrial processes and automotive lubrication systems. Taking LO as the obje...
A fire dynamics simulator (FDS) and Smokeview 3D (SMV) were used to recreate a fire disaster that occurred in Chiayi City, Taiwan, on May 02, 2012. The two buildings involved were traditional wooden constructions; however, one was repaired, and the roof was rebuilt with asbestos shingles and iron sheets. This study sought to verify the existing fir...
In the backdrop of the modernization of intelligent mining in the China, the stability of mining cables directly affects the operational stability of the entire underground electrical system in the mine, and studying the fire risk of mining cables is crucial. A cone calorimeter was used to conduct a comprehensive analysis of the ignition time, mass...
In contemporary power systems, harmonics as undesired electrical phenomena, have drawn considerable attention of the research community investigating in design and development of optimal electrical networks. Harmonics affect the power electronics devices with a number of negative impacts, including higher power losses, worse power quality, and inte...
The effect of different oxygen concentration conditions on the heat release behaviour of bituminous coal during spontaneous combustion was investigated. Thermal analysis experiments were conducted using differential scanning calorimetry (DSC) and laws governing feature peak changes. Heat flow curves were utilised to identify thermal reaction stages...
An iron-based metal–organic framework, MIL-53(Fe), was synthesized and added as a synergist to high-density polyethylene (HDPE), and its flame-retardant effect with aluminum diethyl hypophosphite (ADP) and aluminum hypophosphite (AHP) in HDPE was investigated to further improve the flame-retardant efficiency. FTIR results showed that the ADP, AHP,...
Methylene diphenyl diisocyanate (MDI) serves as a primary component of polyurethane in various applications, including household appliances, architectural structures, automobiles, and adhesives. A recent MDI plant explosion in China highlighted the importance of studying MDI’s thermal stability and parameters to prevent accidental thermal decomposi...
This study investigates an astrophysics-based Transit search optimization algorithm (TSOA) for solving a challenging engineering problem. This innovative strategy uses the fundamentals of physics to improve the accuracy and efficacy of problem solving techniques. Harmonic distortions in power systems have become a massive challenge because of the n...
This study investigated a flash fire disaster involving a storage vessel containing acrylonitrile-butadiene-styrene (ABS) powder at a chemical plant in Taiwan. The extreme temperatures of the combustible powder on the tank wall dissolved and trickled onto the ABS powder at the bottom of the tank, igniting the styrene and butadiene derivatives as we...
The lithium-ion battery (LIB) is a significantly and broadly used power storage system known for its high energy density and extended lifespan. However, it is vital to continue examining and addressing potential safety concerns that require further exploration and discussion. This study employed a pseudo-adiabatic calorimeter, vent sizing package 2...
Mingqi Bai Xin Du Jianguo Li- [...]
Yi Liu
To ensure the safety of hydrogen refueling stations (HRSs) and protective targets in the surrounding area, this paper has introduced a risk‐based safe distance assessment method for a 35MP HRSs, emphasizing the impact of the station's surrounding area. The findings indicate that the safe distance is determined by vapor cloud explosion (VCE) acciden...
To establish the suppression mechanism of CF3CHFCF3 on a premixed hydrogen-methane deflagration, the process was systematically explored by experimental and chemical kinetics simulation. The results show that CF3CHFCF3 has a beneficial suppression effect on the hydrogen-methane deflagration with 20 % H2 addition at the equivalence ratios of 0.8, 1....
Owing to the serious natural ageing phenomenon of ancient wooden buildings, to better explore the effect of drying and wet ageing degree on the exothermic behaviour of wood combustion, firstly, wood treated with different degrees of dry and wet ageings was obtained by artificially accelerating the dry and wet ageing method. The pore characteristics...
With the continual acceleration of urbanization, the amount of urban infrastructure and the quality of public services are increasing in many cities. A pressing concern in this context is the growing problem of incompatible fire protection construction, indicating a need for urban fire stations with well-planned layouts. However, research on optimi...
This study aimed to investigate the mechanism of mineral spontaneous combustion in an open pit. On the study of coal and mineral mixture in open pit mines, as well as through the specific surface area and Search Engine Marketing (SEM) experiments, the specific surface area and aperture characteristics of distribution of open pit coal sample and pit...
In recent years, ancient wooden building fires have been a hot issue that has not been properly solved. The existing ancient wood buildings objectively have serious natural ageing phenomenon, among which the dry and wet alternating ageing phenomenon of wood caused by water is the most serious. However, the phenomenon of dry and wet alternating agei...
Wood was a primary building tool for ancient buildings and structures, but for those that survive to this day, naturally aged wood may pose a significant fire hazard. There are potential risks to health, safety and significant cultural loss if fire risks in such buildings are not mitigated. This study obtains several samples of aged wood commonly u...
Under abusive conditions, lithium-ion battery (LIB) are prone to thermal runaway (TR), which can result in fire and explosion, even toxic. A water-in-oil dodecafluoro-2-methylpentan-3-one (C6F12O) microemulsion was created in this study by emulsifying C6F12O as the oil phase with a fluorocarbon surfactant, sodium perfluorooctanoate, and a co-surfac...
This aim of this research was to explore the appraisal of the use of smart alert bracelets by older adults diagnosed with dementia. Convenience sampling was adopted to recruit older adults with dementia in Yunlin County, Taiwan. A manual questionnaire survey was conducted, and SPSS 26.0 statistical software was used for analysis. The results of thi...
This work investigated the ignition and flame spreading features over an excessively overloaded wire coated with polyvinyl chloride (PVC) to provide valuable information for determining fire behavior caused by this typical type of wire failure. The wires with a core/wire diameter of 3.3/4.1 mm carried various overload currents from 130 A to 240 A a...
To evaluate the current situation of fire safety in domestic high-rise residential communities, the community, which integrates high-rise residential buildings, office buildings, and shops, was deliberately selected as an example to conduct fire safety assessment. Combined with the current domestic and foreign fire safety assessment methods and pra...
There are numerous safety problems of tailings pond in China, and overtopping dam break accidents occur frequently. Based on the mechanics of sediment movement, the influence of different particle sizes on the erosion rate of tailings dam in sediment laden flow was studied by means of indoor test and mathematical induction. The self-made test syste...
Sufficient pressure-bearing performance was the basis for ensuring the safety of hydrogen storage tanks in service for the entire life cycle. The aim of this study was to analyze the ultimate pressure-bearing capacity of tanks under possible working conditions, such as room temperature, fire, and after flame exposure. The results show that the actu...
In the present work, a novel Fe3O4-GLP@CAB was successfully synthesized via a co-precipitation procedure and applied for the removal of methylene blue (MB) from aqueous environment. The structural and physicochemical characteristics of the as-prepared materials were explored using a variety of characterization methods, including pHPZC, XRD, VSM, FE...
Coal spontaneous combustion often wastes resources and causes environmental pollution. Rapid and accurate identification of high temperature areas in coal is essential to reducing such combustion and environmental pollution. The acoustic thermometry method has the benefits of large temperature measurement space, non-contact, and high interference r...
This study pioneeringly dealt with the weighting analysis on activation energy (Ea) values from four series of TNT based high explosives (HEs) by using grey entropy model, initially constructing an innovative approach combining with the “Grey System Theory” entropy model and DSC/TGA experimentally-derived thermal analysis parameters for their proce...
Power-to-X (PtX) is a large-scale, long-term energy storage approach for converting renewable electrical energy into various chemical fuels. Unlike conventional fossil fuel production processes that operate continuously, PtX processes encounter operational challenges due to fluctuations in renewable power supply. To improve the operational flexibil...
ABSTRACT: In this research work, the convective flow of Lorenz attractor in the fractional domain is modelled with a nonlinear flexible structure of radial basis neural network (RBNN). The physical parameters of the complex fractional-order system are initially computed with fractional order Runge-Kutta solver for different stochastic scenarios of...