Case Studies in Thermal Engineering最新文献_第5页

A NEW EXPERIMENTAL APPROACH TO LITHIUM-ION BATTERY FIRES IN ELECTRIC VEHICLES: INVESTIGATION OF FIRE BEHAVIOR AND EFFECTIVENESS OF EXTINGUISHING AGENTS 电动汽车锂离子电池火灾的新实验方法：火灾行为和灭火剂有效性的研究

IF 6.8 2区工程技术

Case Studies in Thermal Engineering Pub Date : 2025-06-23 DOI: 10.1016/j.csite.2025.106554

Onur Mammacıoğlu, Gokhan Coskun

{"title":"A NEW EXPERIMENTAL APPROACH TO LITHIUM-ION BATTERY FIRES IN ELECTRIC VEHICLES: INVESTIGATION OF FIRE BEHAVIOR AND EFFECTIVENESS OF EXTINGUISHING AGENTS","authors":"Onur Mammacıoğlu, Gokhan Coskun","doi":"10.1016/j.csite.2025.106554","DOIUrl":"https://doi.org/10.1016/j.csite.2025.106554","url":null,"abstract":"This study investigates fire incidents in lithium-ion batteries used in electric vehicles and evaluates the effectiveness of extinguishing agents under controlled conditions, highlighting the difficulty of extinguishing such fires due to the materials in the lithium-based battery components. The combustion of 18650 Lithium Nickel Manganese Cobalt Oxide (NMC) batteries was initiated using an overheating method in a specialized safety setup. The extinguishing agents tested include Water, BIOVERSAL, NOVEC 1230, and COG (high-viscosity liquid substance). The first phase involved a single-battery combustion test, followed by intervention tests under two conditions, which were the heat supply cut off and continuous heat application. Performance was evaluated based on combustion and explosion temperatures, ignition delay, and variations in ambient gas composition (O<ce:inf loc=\"post\">2</ce:inf>, CO, CO<ce:inf loc=\"post\">2</ce:inf>). Under heat-cut conditions, BIOVERSAL exhibited superior thermal resistance (∼ 247,6 °C), while Water provided a longer ignition delay of about 82 seconds. In continuous heat conditions, COG achieved the highest explosion temperature (∼ 247 °C) and longest ignition delay about 75 seconds, significantly outperforming NOVEC 1230, which showed the lowest suppression efficiency. In conclusion, BIOVERSAL and COG were the most effective extinguishing agents, with BIOVERSAL excelling under heat-cut conditions and COG proving most efficient under continuous heat exposure.","PeriodicalId":9658,"journal":{"name":"Case Studies in Thermal Engineering","volume":"144 1","pages":""},"PeriodicalIF":6.8,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144503961","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Assessment of the improved cooling effectiveness of modified film holes supplied by the front cavity on a vane 评估由叶片前腔提供的改进膜孔的冷却效果

IF 6.8 2区工程技术

Case Studies in Thermal Engineering Pub Date : 2025-06-23 DOI: 10.1016/j.csite.2025.106562

Fei Zeng, Lin Ye, Yang Li, Wei Li, Cunliang Liu, Fan Zhang

{"title":"Assessment of the improved cooling effectiveness of modified film holes supplied by the front cavity on a vane","authors":"Fei Zeng, Lin Ye, Yang Li, Wei Li, Cunliang Liu, Fan Zhang","doi":"10.1016/j.csite.2025.106562","DOIUrl":"https://doi.org/10.1016/j.csite.2025.106562","url":null,"abstract":"Vanes are generally supplied with coolant through multiple cavities. Improving film holes supplied by the front cavity can impact the overall film coverage on the vane. In this study, the deficiencies of the film cooling characteristics were analyzed. This study aimed to increase the number of film holes supplied by the front cavity of a vane, and two improved models (Vanes I and II) were proposed. The holes on the suction side were improved to 11–11–11 holes in the improved models. The showerhead hole diameter on Vane I increased by 25 %. The showerhead holes on Vane II were changed to laidback holes. The most upstream holes on the pressure surface of both improved models were changed to 11–11–11 holes. The enhanced effective cooling of the improved models under different mass flux ratios and turbulence intensities was evaluated. Compared with the original vane, Vanes I and II exhibited significantly improved effective film cooling on the showerhead and suction surfaces. The amount of film cooling also increased on the pressure surface near the showerhead. This improvement gradually decreased along the flow direction. Under different mainstream parameters, the effective film cooling rates of Vanes I and II both increased by more than 32 %. Moreover, Vane II was more resistant to turbulence intensities and mass flux ratios.","PeriodicalId":9658,"journal":{"name":"Case Studies in Thermal Engineering","volume":"35 1","pages":""},"PeriodicalIF":6.8,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144503965","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

An in-depth analysis of residential E-cooling demand in The Netherlands 荷兰住宅电子制冷需求的深入分析

IF 6.4 2区工程技术

Case Studies in Thermal Engineering Pub Date : 2025-06-23 DOI: 10.1016/j.csite.2025.106469

Jim de Wind , Joel Alpízar-Castillo , Julian Visser , Laura Ramírez-Elizondo

{"title":"An in-depth analysis of residential E-cooling demand in The Netherlands","authors":"Jim de Wind , Joel Alpízar-Castillo , Julian Visser , Laura Ramírez-Elizondo","doi":"10.1016/j.csite.2025.106469","DOIUrl":"10.1016/j.csite.2025.106469","url":null,"abstract":"<div><div>The magnitude and effect of residential E-cooling demand on the Dutch energy market have not been studied in the literature. However, due to rising temperatures and the increase in the adoption of heat pumps, the effects of residential e-cooling demand are expected to rise sharply in the upcoming decades. First, a thermodynamic model of different Dutch residential buildings described the magnitude and patterns of residential E-cooling. Second, the effects of E-cooling on the distribution network were tested using the IEEE 906-bus European LV network. Third, a country-wide simulation of the effect of residential E-cooling on the energy market was done in Plexos© from 2025 to 2050. The results showed a doubling of the cooling demand between 2025 and 2030 and a maximum annual cooling demand of approximately 0.4 TWh. In addition, it was shown how the demand for residential cooling could decrease local power quality when more than 40 % of households actively cool their houses simultaneously, increasing network costs. Finally, it was also proven how power prices could increase due to higher demand and how revenue for specific generation components could double or decrease by 20% during heat waves when accounting for residential E-cooling demand.</div></div>","PeriodicalId":9658,"journal":{"name":"Case Studies in Thermal Engineering","volume":"73 ","pages":"Article 106469"},"PeriodicalIF":6.4,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144366557","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Characteristics prediction and optimization for fan duct surface heat exchanger using regional heat transfer correlation and NSWOA aided by Sobol’ Sobol辅助下基于区域传热关联和nswaa的风机表面换热器特性预测与优化

IF 6.4 2区工程技术

Case Studies in Thermal Engineering Pub Date : 2025-06-23 DOI: 10.1016/j.csite.2025.106563

Zhe Xu , Zongling Yu , Xin Ning , Changyin Zhao , Zhihua Zhu , Zhibin Feng

{"title":"Characteristics prediction and optimization for fan duct surface heat exchanger using regional heat transfer correlation and NSWOA aided by Sobol’","authors":"Zhe Xu , Zongling Yu , Xin Ning , Changyin Zhao , Zhihua Zhu , Zhibin Feng","doi":"10.1016/j.csite.2025.106563","DOIUrl":"10.1016/j.csite.2025.106563","url":null,"abstract":"<div><div>Fan duct surface heat exchanger is a new type air-oil heat exchanger adopted in aero-engine lubricating oil system in recent years. A characteristics prediction method based on regional heat transfer correlation is proposed for it to realize heat transfer capacity and oil-side pressure drop calculation, which is validated by conducting thermodynamic experiment. Compared to experimental data, the average relative errors of heat transfer capacity and oil-side pressure drop prediction are 9.39 % and 8.39 %, respectively, which indicates that this method is feasible and reliable. A heat transfer unit response model between nine configuration parameters and heat transfer efficiency, weight is constructed by combining Taguchi and Particle Swarm Optimization-trained Adaptive Neuro-Fuzzy Inference System, and based on it, a characteristics optimization method based on Non-dominated Sorting Whale Optimization Algorithm aided by Sobol’ is proposed to simultaneously realize heat transfer enhancement, flow resistance reduction, and lightweight design. Compared to the original configuration, heat transfer capacity of the selected optimal solutions increases by 12.42 % averagely, while oil-side pressure drop and weight separately decrease by 37.64 % and 12.70 % on average, which indicates that this method is effective and helpful and can provide beneficial guidance for heat exchanger design.</div></div>","PeriodicalId":9658,"journal":{"name":"Case Studies in Thermal Engineering","volume":"73 ","pages":"Article 106563"},"PeriodicalIF":6.4,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144470110","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Thermal–hydraulic analysis of PCHEs using supercritical methane and multistage Tesla valves with staggered alternatingly oriented flow baffles 采用超临界甲烷和多级特斯拉阀交错交错定向流挡板的PCHEs热水力分析

IF 6.4 2区工程技术

Case Studies in Thermal Engineering Pub Date : 2025-06-23 DOI: 10.1016/j.csite.2025.106558

Yu-Jie Liao, Che-Yen Chou, Chih-Che Chueh

{"title":"Thermal–hydraulic analysis of PCHEs using supercritical methane and multistage Tesla valves with staggered alternatingly oriented flow baffles","authors":"Yu-Jie Liao, Che-Yen Chou, Chih-Che Chueh","doi":"10.1016/j.csite.2025.106558","DOIUrl":"10.1016/j.csite.2025.106558","url":null,"abstract":"<div><div>This paper presents a numerical investigation of a printed circuit heat exchanger (PCHE) featuring NACA 0020 airfoil-profile flow baffles integrated into a multistage Tesla valve structure. Supercritical methane is employed as the working fluid, and its unique thermophysical properties near the critical point are leveraged to enhance heat transfer and flow regulation. A series of staggered baffle configurations with various orientation angles, ranging from <span><math><mrow><mn>0</mn><mo>°</mo></mrow></math></span> to <span><math><mrow><mn>15</mn><mo>°</mo></mrow></math></span>, are systematically analyzed to evaluate their influence on the flow rectification, pressure drop, and thermal performance. Simulations, based on compressible Navier–Stokes and energy equations, are performed over a Reynolds number range of 5000–8000. The results indicate that an increase in the baffle orientation angle promotes the formation of secondary flow structures—such as eddies and recirculation zones—which enhance convective heat transfer by disrupting the thermal boundary layers and increasing the mixing intensity. Furthermore, the periodic expansions and contractions along the serpentine channels generate localized velocity discontinuities, which contribute to improved thermal uniformity. Compared with the benchmark Tesla design in a prior study, the proposed configuration demonstrates more elongated velocity gradients and a broader high-temperature distribution, underscoring the importance of the baffle geometry in passive flow control. These findings offer valuable insights for optimization of compact heat exchangers and highlight the potential of multistage Tesla valves for thermal management in liquefied natural gas (LNG) temperature reduction systems aboard floating production storage and offloading (FPSO) platforms.</div></div>","PeriodicalId":9658,"journal":{"name":"Case Studies in Thermal Engineering","volume":"73 ","pages":"Article 106558"},"PeriodicalIF":6.4,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144480388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Study on the two thermodynamic states of large-scale RF plasma discharge 大规模射频等离子体放电两种热力学状态的研究

IF 6.4 2区工程技术

Case Studies in Thermal Engineering Pub Date : 2025-06-23 DOI: 10.1016/j.csite.2025.106486

Yue Niu, Weimin Bao, Donglin Liu, Xiaoping Li, Yanming Liu

{"title":"Study on the two thermodynamic states of large-scale RF plasma discharge","authors":"Yue Niu, Weimin Bao, Donglin Liu, Xiaoping Li, Yanming Liu","doi":"10.1016/j.csite.2025.106486","DOIUrl":"10.1016/j.csite.2025.106486","url":null,"abstract":"<div><div>This study focuses on argon discharge in the inductively coupled plasma (ICP) generator of the Experimental Research Apparatus for Electromagnetic Science of Hypersonic Vehicle Plasma in Near-Space. Discharge models under local thermal equilibrium (LTE) and thermodynamic nonequilibrium (NLTE) conditions are developed to reveal the discharge behavior of a high-power ICP generator under different thermodynamic states. In the LTE model, electrons and heavy particles are assumed to share the same temperature, i.e., the plasma temperature. Compressible turbulent flow is described using the Navier–Stokes equations, and electron density is calculated using the Saha equation. In contrast, the NLTE model assumes different temperatures for electrons and heavy particles. The electron density is obtained by solving the drift–diffusion equation, while heavy particle transport is modeled using a mixture-averaged diffusion coefficient approach. The results show that from the coil region to the outlet, the peak plasma temperature in the LTE model decreases by 6.4%, whereas in the NLTE model, the gas and electron temperatures decrease by 12.7% and 26.2%, respectively. The peak electron density decreases by 42% in the LTE model and by as much as 80% in the NLTE model. Comparison with spectroscopic diagnostic results indicates that the normalized trends of electron temperature and electron density are more consistent with the LTE model predictions. These findings provide theoretical insight for optimizing the design of ICP generators.</div></div>","PeriodicalId":9658,"journal":{"name":"Case Studies in Thermal Engineering","volume":"73 ","pages":"Article 106486"},"PeriodicalIF":6.4,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144469984","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Applications of the addition of hydrogen peroxide solution on methane premixed combustion 过氧化氢溶液在甲烷预混燃烧中的应用

IF 6.4 2区工程技术

Case Studies in Thermal Engineering Pub Date : 2025-06-23 DOI: 10.1016/j.csite.2025.106403

Annas Fauzy , Guan-Bang Chen , Ta-Hui Lin

{"title":"Applications of the addition of hydrogen peroxide solution on methane premixed combustion","authors":"Annas Fauzy , Guan-Bang Chen , Ta-Hui Lin","doi":"10.1016/j.csite.2025.106403","DOIUrl":"10.1016/j.csite.2025.106403","url":null,"abstract":"<div><div>In view of practical applications, this study experimentally and numerically investigated the combustion enhancement by hydrogen peroxide solutions on the flame speed of premixed methane-air flame. The experiment uses a conical flame with the addition (<span><math><mi>α</mi></math></span>) and purity (<span><math><mi>β</mi></math></span>) of hydrogen peroxide solution as the main parameter, ranging from <span><math><mrow><mn>0</mn><mtext>%</mtext><mo><</mo><mi>α</mi><mo><</mo><mn>20</mn><mtext>%</mtext></mrow></math></span> and <span><math><mrow><mn>60</mn><mtext>%</mtext><mo><</mo><mi>β</mi><mo><</mo><mn>80</mn><mtext>%</mtext></mrow></math></span>, respectively, from lean to rich. The flame speed was measured using the flame area method with the unburned gas temperature of 423 K. The numerical simulations were conducted using the FreeFlame model with detailed kinetic mechanisms. Numerical simulations showed that the flame speed increased quasi-linearly with the increase of <span><math><mi>α</mi></math></span> and <span><math><mi>β</mi></math></span>. Nevertheless, the experiment shows that the flame speed remains unchanged on <span><math><mrow><mi>β</mi><mo>=</mo><mn>60</mn><mtext>%</mtext></mrow></math></span>, while it increases on <span><math><mrow><mi>β</mi><mo>></mo><mn>70</mn><mtext>%</mtext></mrow></math></span> on various <span><math><mi>α</mi></math></span>. The experiment and numerical simulation consistently correlated the equivalence ratio of the maximum flame speed on various <span><math><mi>α</mi></math></span> and <span><math><mi>β</mi></math></span>. The flame speed from the experiment was underestimated compared with the numerical simulation, presumably owing to the early decomposition of hydrogen peroxide. Finally, using a hydrogen peroxide solution with <span><math><mrow><mi>β</mi><mo>></mo><mn>70</mn><mtext>%</mtext></mrow></math></span> is advisable to increase the overall flame speed of premixed methane-air flames.</div></div>","PeriodicalId":9658,"journal":{"name":"Case Studies in Thermal Engineering","volume":"73 ","pages":"Article 106403"},"PeriodicalIF":6.4,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144366586","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Thermoelastic behavior of temperature-dependent materials using conformable fractional derivative and multi-temperature theory 利用适形分数导数和多温度理论研究温度相关材料的热弹性行为

IF 6.8 2区工程技术

Case Studies in Thermal Engineering Pub Date : 2025-06-23 DOI: 10.1016/j.csite.2025.106557

A.R. El-Dhaba, H.M. Atef

{"title":"Thermoelastic behavior of temperature-dependent materials using conformable fractional derivative and multi-temperature theory","authors":"A.R. El-Dhaba, H.M. Atef","doi":"10.1016/j.csite.2025.106557","DOIUrl":"https://doi.org/10.1016/j.csite.2025.106557","url":null,"abstract":"This paper presents a comprehensive study of the thermoelastic behavior of a two-dimensional generalized thermoelastic material characterized by a single relaxation time. The study incorporates the effects of various factors, including conformable fractional order, multi-temperature theory, and temperature-dependence for the material properties. We employ wave analysis to solve the governing equations and boundary conditions for the system, providing insights into the thermal and mechanical responses of the material under dynamic loading. The conformable fractional parameter is introduced to capture the material's memory effects and long-range interactions, while the multi-temperature theory accounts for the influence of different temperature fields within the system. Additionally, temperature-dependent material properties are modeled to assess how variations in temperature affect the system's behavior. These factors are studied graphically to evaluate their impact on stress, displacement, and temperature distribution, offering a deeper understanding of the material's performance under various thermal and mechanical conditions. The results contribute to the design and optimization of advanced composite materials, providing more accurate predictions of their behavior in complex environments.","PeriodicalId":9658,"journal":{"name":"Case Studies in Thermal Engineering","volume":"39 1","pages":""},"PeriodicalIF":6.8,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144503941","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Computational fluid dynamics analysis and machine learning study of heat transfer in solar air heaters with distinct ribs configuration 不同肋形太阳能空气加热器传热的计算流体力学分析与机器学习研究

IF 6.8 2区工程技术

Case Studies in Thermal Engineering Pub Date : 2025-06-23 DOI: 10.1016/j.csite.2025.106559

Eid S. Alatawi

{"title":"Computational fluid dynamics analysis and machine learning study of heat transfer in solar air heaters with distinct ribs configuration","authors":"Eid S. Alatawi","doi":"10.1016/j.csite.2025.106559","DOIUrl":"https://doi.org/10.1016/j.csite.2025.106559","url":null,"abstract":"Solar Air Heaters (SAHs) are crucial for sustainable energy, but their efficiency requires significant enhancement for broader impact. This research pioneers SAH optimization by uniquely integrating Computational Fluid Dynamics (CFD) with machine learning (ML) to analyze and predict the performance of 15 SAH designs featuring distinct curved rib configurations. The novelty lies in identifying specific high-performance geometries and demonstrating a powerful ML-driven predictive capability. CFD simulations pinpointed an optimal rib thickness-to-height (t/h) ratio of approximately 0.25 and a thickness-to-pitch (t/p) ratio of 0.075, at which heat transfer parameters were maximized. Notably, increasing t/p from 0.025 to 0.075 improved performance, while further increases diminished efficiency. Reynolds number (Re) analysis showed enhanced convective heat transfer at higher Re, with performance gains plateauing between 15,000 and 25,000. Critically, the developed Convolutional Neural Network (CNN) model significantly outperformed Random Forest Regression and Support Vector Regression, achieving a Mean Square Error (MSE) of 0.004 and an R<ce:sup loc=\"post\">2</ce:sup> value of 0.96 in predicting heat transfer coefficients. This high predictive accuracy underscores the potential of CNNs to accelerate the design of efficient SAHs. The study's findings offer precise geometric and operational guidelines, providing a timely and impactful contribution by advancing SAH design through a potent CFD-ML synergy.","PeriodicalId":9658,"journal":{"name":"Case Studies in Thermal Engineering","volume":"27 1","pages":""},"PeriodicalIF":6.8,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144504007","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Advancing freeze desalination through ultrasound-enhanced modelling: Case studies and insights for commercial applications 通过超声波增强建模推进冷冻脱盐：商业应用的案例研究和见解

IF 6.4 2区工程技术

Case Studies in Thermal Engineering Pub Date : 2025-06-21 DOI: 10.1016/j.csite.2025.106518

Symeon Savvopoulos , Anas AL-Aghbari , Khadije El Kadi , Denys Dutykh , Isam Janajreh

{"title":"Advancing freeze desalination through ultrasound-enhanced modelling: Case studies and insights for commercial applications","authors":"Symeon Savvopoulos , Anas AL-Aghbari , Khadije El Kadi , Denys Dutykh , Isam Janajreh","doi":"10.1016/j.csite.2025.106518","DOIUrl":"10.1016/j.csite.2025.106518","url":null,"abstract":"<div><div>Freeze desalination is a promising alternative to conventional methods, offering energy-efficient and environmentally friendly solutions for freshwater production. This study presents theoretical modeling of a crystallizer to investigate the dynamics of continuous freeze desalination enhanced by ultrasound vibrations. A mathematical framework combining Navier-Stokes perturbation analysis with crystallization kinetics analyzes the interplay between fluid flow, heat transfer, and crystal growth under varying conditions. The model provides rapid, reliable predictions to support commercial scalability. Results show that increasing vibration velocity amplitudes and extending residence time improve both crystal growth and desalination efficiency. For example, at a vibration velocity amplitude of 12 m/s and a residence time of 135 s, desalination efficiency approaches 50 %, highlighting ultrasound's role in enhancing salt exclusion and crystallization rates. Temperature profiles along the crystallizer indicate that longer residence times allow greater cooling and impurity rejection, with freezing temperatures near the mushy zone approaching the eutectic point. The framework supports the design of scalable systems and fast control strategies to mitigate disturbances, maintain stability, and respond to variable freshwater demands. By linking theoretical modeling with experimental insights, this study advances the development of efficient, commercially viable freeze desalination technologies, offering a sustainable approach to addressing global water scarcity.</div></div>","PeriodicalId":9658,"journal":{"name":"Case Studies in Thermal Engineering","volume":"73 ","pages":"Article 106518"},"PeriodicalIF":6.4,"publicationDate":"2025-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144329811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0