Journal of the Taiwan Institute of Chemical Engineers最新文献

{"title":"pH-responsive poly(acrylic acid) coated mesoporous silica nanoparticles for controlled abamectin release: Synthesis, characterization, and agricultural application","authors":"Peng Xu ,&nbsp;Jiawei Bao ,&nbsp;Qun Li ,&nbsp;Weishan Shi ,&nbsp;Gang Xing ,&nbsp;Zhaogang Teng","doi":"10.1016/j.jtice.2024.105861","DOIUrl":"10.1016/j.jtice.2024.105861","url":null,"abstract":"<div><h3>Background</h3><div>Smart pesticides, capable of responding to environmental stimuli, hold promise for achieving precise and on-demand release of pesticides, thereby reducing environmental risks and optimizing pesticide utilization.</div></div><div><h3>Methods</h3><div>Herein, we prepared a novel composite nanoparticle with a core-shell structure of poly(acrylic acid)-coated mesoporous silica by distillation precipitation polymerization method, which is simple and efficient. Then, abamectin was successfully loaded by impregnation adsorption, and a novel pH-responsive controlled-release pesticide formulation, Abamectin-MSN@PAA, was prepared.</div></div><div><h3>Significant</h3><div>Findings In this work, Abamectin-MSN@PAA exhibited a loading content of 23.79 % and an average particle size of approximately 272.1 nm. Notably, the formulation demonstrated acid-responsive release kinetics, with cumulative release percentages of 85.91 %, 69.03 %, and 53.44 % observed at pH values of 5, 7, and 9, respectively, after 96 h. Moreover, Abamectin-MSN@PAA effectively preserved abamectin from degradation under UV light exposure. In comparison with abamectin suspension, Abamectin-MSN@PAA exhibited superior adhesion to radish leaves and demonstrated increased aphid mortality in bioassay experiments. Following 7 days of drug spraying, the aphid survival rate was 26.67 % for Abamectin (40 mg <em>L</em>⁻¹) and only 18.3 % for Abamectin-MSN@PAA (40 mg <em>L</em>⁻¹). These findings underscore the potential of pH-responsive poly(acrylic acid)-coated mesoporous silica nanoparticles as a versatile platform for controlled pesticide delivery, thereby enhancing pesticide bioavailability and efficacy in agriculture.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"167 ","pages":"Article 105861"},"PeriodicalIF":5.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143131213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A novel binary bismuth molybdate-perovskite type Strontium Niobate for efficient photocatalytic degradation of ciprofloxacin","authors":"Osamah Alduhaish ,&nbsp;Govindasamy Suganya ,&nbsp;Abdalrahman Alajmi ,&nbsp;Abdellatif M. Sadeq ,&nbsp;Pandiyan Praveen ,&nbsp;Karuppaiah Selvakumar ,&nbsp;Chandra Prasad Khatiwada","doi":"10.1016/j.jtice.2024.105856","DOIUrl":"10.1016/j.jtice.2024.105856","url":null,"abstract":"<div><h3>Background</h3><div>One effective strategy and popular topic to preserve ecosystems and prevent water contamination is the direct use of green solar energy to transform organic contaminants in industrial effluent into hazardous substances. Treatment of waste from pharmaceuticals is challenging due to its complexity and wide range of pollutants.</div></div><div><h3>Methods</h3><div>This study used a unique hydrothermal method to create a Bi₂MoO₆-Sr₂Nb₂O₇ nanocatalyst. The photodegradation of Ciprofloxacin (CIP) in the presence of visible light was used to examine the photocatalytic performance of these materials. The obtained bare, composite photocatalysts were extensively characterized using a variety of physicochemical approaches. The structural and phase characteristics of the Bi₂MoO₆-Sr₂Nb₂O₇nanohybrids were identified by XRD and FT-IR spectra. The binding and distribution of the produced catalyst's rod- and plate-like structure were visible in FESEM and HR-TEM images. The presence of Bi₂MoO₆ decreased the composite's optical absorbance and bandgap energy, which was examined using UV-DRS spectroscopy. The band gap value is reduced and shifted to the visible area by adding Bi₂MoO₆.</div></div><div><h3>Significant Findings</h3><div>The photodegradation of CIP, the Bi₂MoO₆-Sr₂Nb₂O₇ catalyst demonstrated better photocatalytic activity; 96.3% of CIP was broken down under visible light. The Photoluminescence (PL) and transient photocurrent tests support the Bi₂MoO₆-Sr₂Nb₂O₇ catalyst's improved photo-induced charge separation efficiency. According to the results of the scavenger test, h⁺ and •O₂ were the key factors in the CIP degradation. Additionally, the Bi₂MoO₆-Sr₂Nb₂O₇ catalyst showed exceptional reusability and durability in four sequential cycles. The Bi₂MoO₆-Sr₂Nb₂O₇nanohybrids are expected to be used as photocatalysts for restoring the environment and converting light energy. This study presents an innovative method for creating a potent photocatalyst for pollutant degradation.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"167 ","pages":"Article 105856"},"PeriodicalIF":5.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143131321","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Dual functional Ag2MoO4/thickness-controlled g-C3N4 composites for enhanced photocatalytic and adsorption activity","authors":"Xuanbo Zhou ,&nbsp;Xu Guo ,&nbsp;Lihong Dong ,&nbsp;Wanli Zhou ,&nbsp;Xiumei Li","doi":"10.1016/j.jtice.2024.105863","DOIUrl":"10.1016/j.jtice.2024.105863","url":null,"abstract":"<div><h3>Background</h3><div>Nanocomposites have a wide range of applications in the field of energy and environment, especially in the treatment of organic pollutants and radioactive materials in water, so the development of new nanocomposites for the treatment of environmental pollution is urgent.</div></div><div><h3>Methods</h3><div>The morphology of g-C₃N₄ has a significant impact on its properties. The g-C₃N₄ with different thicknesses were prepared by thermal oxidation exfoliation and etching of bulk g-C₃N₄ (CNB) under air atmosphere, and separately combined with Ag₂MoO₄. The samples were characterized with X-ray diffraction, scanning electron microscopy (SEM), UV–vis diffuse reflectance spectra, X-ray photoelectron spectroscopy.</div></div><div><h3>Significant findings</h3><div>The results showed that the composite of Ag₂MoO₄ formed of g-C₃N₄ with a thickness of 24.7 nm exhibited excellent photocatalytic degradation property. The photo-degradation rate of methylene blue (MB), rhodamine B (RhB) and methyl orange (MO) were 97.9 % (30 min), 94.2 % (40 min) and 91.3 % (40 min), respectively. Differently, when Ag₂MoO₄ is combined with g-C₃N₄ with a thickness of 10.0 nm, which show excellent adsorption performance. The adsorption amount of I₂ can reach 4.487 g/g under 75 °C of saturated I₂ vapor. And the nanocomposite manifested splendid adsorption efficiency of MB (95.8 %, 6 min), RhB (93.2 %, 6 min) and MO (94.3 %, 6 min), respectively. The nanocomposite achieved the bifunctional characteristics of degradation of organic pollutants and efficient adsorption.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"167 ","pages":"Article 105863"},"PeriodicalIF":5.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143131838","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A novel high durability ZnCl2-NH4Cl threshold-WIS (water-in-salt) electrolyte for rechargeable zinc-air battery","authors":"Yu-Xuan Liu ,&nbsp;Ting-Yun Kan ,&nbsp;Yi-Hsiang Hsieh ,&nbsp;Yuan-Yu Ho ,&nbsp;Yu-Hao Chang ,&nbsp;Ya-Mei Weng ,&nbsp;Cheng-Hao Yang ,&nbsp;Cheng-Xin Yu ,&nbsp;Tzu-Chien Hsu ,&nbsp;Yu-Hsiang Huang ,&nbsp;Yi-Ting Tsai ,&nbsp;Chia-Chi Hsu ,&nbsp;Chi-Chung Hua ,&nbsp;Yuan-Yao Li ,&nbsp;Huang-Wei Chang ,&nbsp;Yu-Chun Fu","doi":"10.1016/j.jtice.2024.105909","DOIUrl":"10.1016/j.jtice.2024.105909","url":null,"abstract":"<div><h3>Background</h3><div>For rechargeable zinc-air battery (ZAB), KOH electrolyte exhibits poor zinc reversibility, carbonate formation, hydrogen evolution, ZnO passivation, dendrite formation, and high corrosion. Recently, 23.8M ZnCl₂ hydrate melt electrolyte was reported to be without these problems but suffers from high viscosity, low conductivity, and pure oxygen requirement. The authors realized that acidic environment enables all the durability advantages with the exception of anti-dendrite formation, which is due to the elimination of the concentration gradient at sufficiently high salt concentration.</div></div><div><h3>Methods</h3><div>As durability advantages of concentrated ZnCl₂ electrolyte has often been associated with the water-in-salt (WIS) condition, 10m ZnCl₂ at the threshold-WIS concentration was thought to be the minimum concentration to enable the durability benefits and was selected to be tested with NH₄Cl added for pH stability. 10 m ZnCl₂ was tested with varying NH₄Cl for changes in viscosity, conductivity, acidity, and density. Then Raman spectroscopy, chronoamperometry, linear sweep voltammetry, electrochemical impedance spectroscopy, and galvanostatic charge-and-discharge cycling were done to compare the ZnCl₂-NH₄Cl mixture to 6M KOH.</div></div><div><h3>Significant findings</h3><div>Results show 10 m ZnCl₂ w/wo 5 m NH₄Cl gave superior performance with ZAB cycling for &gt;6000 cycles/&gt;60 days at 1 mA/cm² and &gt; 89% voltage efficiency without the durability problems associated with KOH.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"167 ","pages":"Article 105909"},"PeriodicalIF":5.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143131215","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Experimental Investigation of Carbon-Based Nano-Enhanced Phase Change Materials Assimilated Photovoltaic Thermal System: Energy, Exergy and Environmental Assessment","authors":"Reji Kumar Rajamony ,&nbsp;A.K. Pandey ,&nbsp;A.G.N. Sofiah ,&nbsp;Johnny Koh Siaw Paw ,&nbsp;Subbarama Kousik Suraparaju ,&nbsp;Amanullah Fatehmulla ,&nbsp;K. Chopra ,&nbsp;M. Samykano ,&nbsp;Rizwan A. Farade","doi":"10.1016/j.jtice.2024.105835","DOIUrl":"10.1016/j.jtice.2024.105835","url":null,"abstract":"<div><h3>Background</h3><div>Photovoltaic thermal systems (PVT) are advanced systems designed to simultaneously generate heat and electricity. However, their commercial performance has not yet reached optimal levels, with efficient thermal regulation being a major challenge that directly affects energy production and efficiency.</div></div><div><h3>Methods</h3><div>This research introduces an innovative approach to enhancing PVT system performance by integrating active water cooling with passive functionalized carbon-based nano-enhanced phase change materials (NePHACMs) as a cooling medium. Four configurations were studied: PV, PVT, PVT-PHACM, and PVT-NePHACM, with fluid flow rates of 0.4-0.8 L/min. Indoor experiments were conducted for PV and PVT systems, while TRNSYS simulations assessed PVT-PHACM and PVT-NePHACM systems. The exergy approach was used to evaluate the energy available for productive use and exergy loss and entropy generation have been analyzed to enhance the electrical energy and thermal storage of the system. Additionally, carbon mitigation and carbon credit gain for all configurations were discussed.</div></div><div><h3>Significant Findings</h3><div>The NePHACM formulation significantly enhanced the system's thermal conductivity by 104%, reduced PV temperature, and improved both electrical and thermal energy production. The system achieved an overall energy efficiency of 85.02% and an exergy efficiency of 12.37%. Additionally, the hybrid system demonstrated exceptional effectiveness in reducing CO₂ emissions, highlighting NePHACM's potential to improve PVT system commercialization, especially for nocturnal applications.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"167 ","pages":"Article 105835"},"PeriodicalIF":5.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143132354","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Metabolic engineering of Escherichia coli for improved cofactor regeneration in lactate to acetoin via whole-cell conversion","authors":"Chan-Hsiang Hsu,&nbsp;Sefli Sri Wahyu Effendi,&nbsp;Wan-Wen Ting,&nbsp;Yu-Hsiu Li,&nbsp;I-Son Ng","doi":"10.1016/j.jtice.2024.105895","DOIUrl":"10.1016/j.jtice.2024.105895","url":null,"abstract":"<div><h3>Background</h3><div>Acetoin is a crucial intermediate in asymmetric syntheses of high-value chemicals and pharmaceuticals. However, its production still relies on traditional fossil-based processes. Developing efficient microbial cell factories for green and low-cost acetoin production is urgently needed.</div></div><div><h3>Methods</h3><div>Acetoin was produced from inexpensive and shortcut lactate substrate using whole-cell <em>Escherichia coli</em> through overexpression of highly active α-acetolactate synthetase and decarboxylase from <em>Bacillus subtilis</em> (annotated as SD). Precise stepwise optimization of pathway and enzymatic reaction was executed by (1) harboring the most efficient cofactor-regenerating system, (2) tuning expression design, (3) disrupting byproduct pathway, and (4) optimizing a series of biotransformation parameters.</div></div><div><h3>Significant Findings</h3><div>The recombinant <em>E. coli</em> successfully produced acetoin. The titer was gradually increased by expressing a pyruvate-producing gene from NAD⁺ dependent or independent system and its cofactor regeneration systems. Co-expressing lactate oxidase (<em>lox</em>) and catalase (<em>cat</em>) achieved a conversion efficiency of 50 % and eliminated NAD⁺ usage. The conversion efficiency was further pulled by knocking out acetate-generating genes (<em>pta</em> and <em>pox</em>B), thus boosting acetoin conversion to 92.4 %. Under optimized whole-cell biotransformation parameters, the highest acetoin titer reached 20.6 g/L within 30 h. This work provides an economical biomanufacturing process for acetoin from lactate via whole-cell bioconversion with remarkable yield.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"167 ","pages":"Article 105895"},"PeriodicalIF":5.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143132357","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Sulfur- layered porous carbon nanostructured matrix - Co3O4 composites: An enhancement of cycling performance in sodium-sulfur battery","authors":"Premnahth Jeyaraj Janshirani ,&nbsp;Suba Devi Rengapillai ,&nbsp;Soundarrajan Elumalai ,&nbsp;Raghu Subashchandrabose ,&nbsp;Wei-Ren Liu ,&nbsp;Sivakumar Marimuthu","doi":"10.1016/j.jtice.2025.105978","DOIUrl":"10.1016/j.jtice.2025.105978","url":null,"abstract":"<div><h3>Background</h3><div>For future applications in electric vehicles, power tools, portable devices, and other areas, developing effective cathode materials for sodium-sulfur batteries is crucial. Sulfur is a promising low-cost cathode material due to its high energy density, environmental friendliness, and natural abundance. Sodium-sulfur batteries, with a theoretical capacity of 1672 mAh g^-1, offer a higher capacity compared to conventional sodium-ion batteries. However, their use has been limited by the dissolution of intermediate polysulfides, which can impact performance.</div></div><div><h3>Methods</h3><div>In this study, sulfur was blended with various carbon matrices, including hard carbon (HC), reduced graphene oxide (rGO), and multi-walled carbon nanotubes (MWCNTs), along with Co₃O₄, through a solid-state reaction and melt diffusion process to prepare sulfur/ Co₃O₄/carbon template composites. These composites were then used as cathodes in sodium-sulfur (Na-S) batteries. The physical and electrochemical characteristics of the prepared composites were investigated using various characterization techniques. Raman analysis was employed to confirm the presence of carbon, while X-ray diffraction (XRD) patterns indicated that sulfur is in an orthorhombic structure.</div></div><div><h3>Significant findings</h3><div>The sulfur/ Co₃O₄/carbon template composite with 60% sulfur (SCR composite) demonstrated significantly enhanced cycling performance, achieving 925 mAh g^-1 at 0.2 C for the initial cycle. The incorporation of Co₃O₄ effectively suppressed the polysulfide shuttle effect, thereby sustaining the electrode's capacity. Additionally, the carbon matrix played a crucial role in confining the sulfur within its pores, which helped to limit the loss of active material.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"170 ","pages":"Article 105978"},"PeriodicalIF":5.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143144523","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Eco-Friendly Synthesis of Crown-Ether Functionalized Silica Nanospheres from Sorghum Waste for Thallium Adsorption","authors":"Saeed Shirazian ,&nbsp;Sameer Alshehri ,&nbsp;Atiah H. Almalki ,&nbsp;Rami M. Alzhrani ,&nbsp;Niloofar Pirestani ,&nbsp;Roozbeh Soltani","doi":"10.1016/j.jtice.2024.105851","DOIUrl":"10.1016/j.jtice.2024.105851","url":null,"abstract":"<div><h3>Background</h3><div>An environmentally sustainable method for synthesizing aza-crown ether functionalized fibrous silica nanospheres was developed using sorghum waste as a biogenic silica source. The goal was to create a novel adsorbent for thallium [Tl(I)] removal from water.</div></div><div><h3>Methods</h3><div>A direct synthesis approach was used to anchor aza-crown ether onto the silica fibers. The material was characterized for its fibrous spherical morphology and surface area (242 m² g^–1), and the successful grafting of the functional groups was confirmed. Adsorption studies were conducted to optimize parameters for Tl(I) removal, and kinetic, isothermal, and thermodynamic analyses were performed.</div></div><div><h3>Findings</h3><div>The material's maximum adsorption capacity, based on the Langmuir model at 298 K, was 13.1 mg g^–1 under optimal conditions (pH 9.0, 25 mL solution, 60 min contact time, 0.2 g L^–1 adsorbent, 185 rpm stirring). Kinetic analysis showed a closer fit to the pseudo-first-order model, with three-stage diffusion. Thallium adsorption was endothermic (<span><math><mrow><mstyle><mi>Δ</mi></mstyle><msubsup><mi>H</mi><mrow><mtext>Ads</mtext><mo>.</mo></mrow><mi>o</mi></msubsup></mrow></math></span>=38.72 kJ mol^–1), spontaneous (<span><math><mrow><mstyle><mi>Δ</mi></mstyle><msubsup><mi>G</mi><mrow><mtext>Ads</mtext><mo>.</mo></mrow><mi>o</mi></msubsup></mrow></math></span> ranging from –46.81 to –49.68 kJ mol^–1), accompanied by an increase in surface randomness (<span><math><mrow><mstyle><mi>Δ</mi></mstyle><msubsup><mi>S</mi><mrow><mtext>Ads</mtext><mo>.</mo></mrow><mi>o</mi></msubsup></mrow></math></span>=0.287 kJ mol^–1 K^–1).</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"167 ","pages":"Article 105851"},"PeriodicalIF":5.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143131847","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Neural network modeling of non-Newtonian NEPCMs suspension in a non-Darcy porous medium under LTNE conditions","authors":"Tahar Tayebi ,&nbsp;Rifaqat Ali ,&nbsp;Marouan Kouki ,&nbsp;M.K. Nayak ,&nbsp;Ahmed M. Galal","doi":"10.1016/j.jtice.2024.105897","DOIUrl":"10.1016/j.jtice.2024.105897","url":null,"abstract":"<div><h3>Background</h3><div>Analyzing buoyancy-driven convection in porous media has numerous applications in chemical processing and geothermal energy extraction. The complication of heat transfer (HT) in porous media, especially under Local Thermal Non-Equilibrium (LTNE) conditions, may need sophisticated examination to precisely predict system behavior. In addition, when it comes to using nanomaterials with the aim of enhancing heat transfer efficiency of thermal systems, nano-encapsulated phase change materials (NEPCMs) would offer a promising solution. NEPCMs merge the high latent heat storage capacity of phase change materials (PCMs) with nanoparticles' improved thermal conductivity, making them ideal for energy storage, electronic cooling, and thermal and solar energy applications. In this regard, this study examines the coupled natural convection and entropy generation of a non-Newtonian NEPCM suspension within a fluid-saturated porous hexagonal enclosure. The Forchheimer-Brinkman-extended Darcy (FBED) model is established to characterize the interaction between the porous medium and the NEPCM suspension flow. The thermal interaction between the suspension and the solid is analyzed using LTNE assumptions, where both NEPCMs suspension and solid matrix temperatures exhibit local fluctuations.</div></div><div><h3>Methods</h3><div>Governing equations of the system are solved using the finite element method (FEM) and the average Nusselt numbers for both phases are assessed through an artificial neural network (ANN)-based multi-layer perceptron (MLP) algorithm. This algorithm is further employed to conduct regression analysis, evaluate the mean square error, and analyze the error histogram of the neural network.</div></div><div><h3>Significant Findings</h3><div>The results indicate that while the same parameters influence heat transfer in both phases, the suspension phase is more sensitive to variations in <em>Ra, Da</em>, and <em>n</em>. In contrast, the solid phase exhibits a relatively stronger dependence on <em>λ</em> and <em>H</em>, with <em>Ste</em> having the least impact on heat transfer in both phases. Furthermore, the regression coefficients are identified as <em>R</em> = 0.99987 for <em>Nu_ave,nf</em> and <em>R</em> = 0.99971 for <em>Nu_ave</em>_,s indicating a strong correlation between the predicted values of the ANN model and the actual values.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"167 ","pages":"Article 105897"},"PeriodicalIF":5.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143131824","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Artificial neural network and CBS-FEM techniques for mixed convection in lid-driven tank heated by triangular fins and filled with permeable medium: Two-energy equations model","authors":"Sameh E. Ahmed,&nbsp;Z.A.S. Raizha,&nbsp;Fatma Alsubaie","doi":"10.1016/j.jtice.2024.105850","DOIUrl":"10.1016/j.jtice.2024.105850","url":null,"abstract":"<div><h3>Background</h3><div>Two equations are proposed to simulate the thermal fields, and two formulations are introduced to examine the irreversibility of the mixed convection within lid-driven tanks. The forced flow is due to the movements of the upper irregular edge while the buoyancy-driven flow is due to bottom heated triangular fins. A permeable medium fills the domain while heat generation is considered for the fluid- and solid phases. Besides, the work suspension is water-based hybrid nanofluids and the other components are Cu and Al₂O₃. Furthermore, an inclined Lorentz force takes place in the flow area.</div></div><div><h3>Methods</h3><div>The Characteristics-Based Split (CBS) algorithm with semi-implicit technique is applied for the gradients of the pressure and the Galerkin Finite Element Method (FEM) is used to solve all the governing equations. Also, an effective ANN analyses are performed to predict some important physical quantities such as horizontal and vertical velocity components.</div></div><div><h3>Significant findings</h3><div>The case where the upper irregular edge moves from left to right (Case 1) gives a higher horizontal velocity compared to Case 2 (the upper movement has the opposite direction of Case 1). The higher values of the interface heat transfer coefficient cause the buoyancy-driven flow to be dominant compared to the forced flow.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"167 ","pages":"Article 105850"},"PeriodicalIF":5.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143131352","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}