Case Studies in Thermal Engineering最新文献

{"title":"Study on superheater wall temperature in a 1000 MW ultra-supercritical power plant under flexible load operations","authors":"Liyun Yan, Jin Yan, Jiang Pu, Yangfan Song, Xuehong Wu, Xiaofeng Lu","doi":"10.1016/j.csite.2025.106994","DOIUrl":"https://doi.org/10.1016/j.csite.2025.106994","url":null,"abstract":"To achieve the low-carbon transformation of the power system and the accommodation of new energy sources, coal-fired power plants are required to enhance the capacity for flexible peak regulation to maintain grid stability. Flexible peak regulation tends to cause over-temperature in superheaters of boiler, which in turn leads to tube bursting. In response to this problem, this paper analyzes the wall temperature variations of the superheater in a 1000 MW ultra-supercritical coal-fired unit during flexible load operation. It was found that the wall temperatures of the low-temperature superheater, platen superheater, and high-temperature superheater exhibited complex variations with significant temperature differences. In particular, the platen superheater showed more measuring points with maximum temperature difference under different electrical loads, reaching up to 165.1 °C, with minimum of the maximum temperature difference being 87.0 °C. The ceiling superheater, rear vertical shaft superheater, and horizontal flue bottom superheater experienced relatively uniform heating. Additionally, the study found that at a load of 643.9 MW, most of the superheaters experienced relatively uniform heating. These findings provide valuable references for operational control.","PeriodicalId":9658,"journal":{"name":"Case Studies in Thermal Engineering","volume":"94 1","pages":""},"PeriodicalIF":6.8,"publicationDate":"2025-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145009150","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}

{"title":"Using aluminum cans and conch shells to increase Thermic efficiency of a solar distiller: A comparison study with decision tree and random forest predictions","authors":"Nashmi H. Alrasheedi, K. Jahnavi Saravanavalli, Hitesh Panchal, S. Shanmugan","doi":"10.1016/j.csite.2025.106984","DOIUrl":"https://doi.org/10.1016/j.csite.2025.106984","url":null,"abstract":"Precise solar irradiance prognostication is imperative for advancing sustainable energy technologies, particularly solar-powered desalination in highly isolated equatorial regions, which is vital for addressing global freshwater scarcity. This study explores the integration of recycled aluminum cans (A) and conch shells (Edampuri Sangu, CS) into single-basin solar still absorber configurations (SSACS) to enhance thermal efficiency and freshwater yield. In parallel, Decision Tree (DT) and Random Forest (RF) algorithms were employed to evaluate optimal SSACS site suitability and to predict thermal performance under real meteorological conditions. High-potential regions at KL University, Vijayawada, India, were analyzed using DTRF models, supported by precise quantification of operational parameters including productivity, solar irradiance, wind velocity, and ambient temperature for comprehensive thermodynamic assessment. Experimental results revealed distinct performance across absorber configurations: basin water temperatures reached 41.16 °C (A), 56.66 °C (CS), 46.83 °C (ACS), and 44.83 °C (WoACS). The ACS combination produced the highest moist air temperature (58.16 °C) and achieved the maximum daily distillate flux of 6.435 L/m<ce:sup loc=\"post\">2</ce:sup>, surpassing ‘A’ (3.321 L/m<ce:sup loc=\"post\">2</ce:sup>) ‘CS’ (4.342 L/m<ce:sup loc=\"post\">2</ce:sup>) and WoACS (2.469 L/m<ce:sup loc=\"post\">2</ce:sup>), with an overall photo-thermal conversion efficiency of 43.63 %. These outcomes represent a ∼60 % performance improvement compared to baseline. Glass cover temperatures, ranging between 37.66 °C and 41.16 °C, highlighted the role of absorptive media in regulating condensation efficiency. Machine learning validation confirmed strong correlations (R &gt; 0.95) between basin/glass temperatures and freshwater yield, with DTRF analysis achieving superior predictive accuracy for identifying optimal zones, classified as “superior potential echelons”: 0.19 (A), 0.13 (CS), and 0.35 (ACS). Implementation of DTRF paradigms augmented diurnal freshwater throughput by 41 %, while direct integration of ACS independently elevated yield by 45 %, culminating in approximately 60 % enhancement when ACS was applied as the primary absorptive medium. The findings establish that specialized absorptive materials, when coupled with advanced machine learning models, constitute the most effective architectural refinement for SSACS efficiency. The novelty of this research lies in the dual application of sustainable, low-cost recycled absorbers and predictive DTRF modeling, offering both improved thermal performance and reliable yield forecasting. This hybrid experimental–computational framework provides a scalable pathway for optimizing solar still designs, ensuring sustainable freshwater production in water-stressed regions while contributing to India's and the global renewable energy agenda.","PeriodicalId":9658,"journal":{"name":"Case Studies in Thermal Engineering","volume":"64 1","pages":""},"PeriodicalIF":6.8,"publicationDate":"2025-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145009106","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}

{"title":"Analysis and optimization of the optimal transmittance range and WWR combination of electrochromic glass","authors":"Jianan Wen, Chenxi Hu, Xi Meng","doi":"10.1016/j.csite.2025.106992","DOIUrl":"https://doi.org/10.1016/j.csite.2025.106992","url":null,"abstract":"Electrochromic glass has the capacity to modify the amount of heat gained in a room by altering the transmittance. However, commercially available low-transmittance electrochromic glass is not suitable for winter scenarios in high latitudes and cold regions, and it may increase a building's year-round energy consumption. Therefore, this paper conducted a year-long simulation experiment utilizing Grasshopper and Ladybug Tools software to evaluate the alterations in EUI, DA, and UDI of electrochromic glass across diverse light transmittance ranges. In addition, another factor affecting the energy consumption of a building, WWR, is investigated. The experimental results indicate that in a cold region such as Qingdao City, the optimal transmittance range for reducing building energy consumption is 40 %–90 %, while at 70 % WWR can minimize the annual energy consumption, which allows the EUI to drop by 14.3 %, or 36.39 kWh/m<ce:sup loc=\"post\">2</ce:sup>, compared with the traditional glass at 30 % WWR. Electrochromic glass in the range of 0.1 %–90 % transmittance is more suitable when WWR exceeds 70 %. When targeting indoor light sufficiency, electrochromic glass in the 40 %–90 % transmittance discoloration range is the best choice, with 50 % WWR being the most optimized choice. In scenarios where the primary objective is to ensure indoor visual comfort, electrochromic glass in the 0.1 %–40 % transmittance range emerges as the optimal solution. This paper provides a comprehensive overview of the design, production, and application of electrochromic glass, in addition to offering fundamental data for the optimization of various control strategies.","PeriodicalId":9658,"journal":{"name":"Case Studies in Thermal Engineering","volume":"27 1","pages":""},"PeriodicalIF":6.8,"publicationDate":"2025-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145009151","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}

{"title":"Modeling and simulation of continuous coke making production","authors":"Kun Shen, Ngoclinh Pham, Rongbin Chen, Chenglong Li","doi":"10.1016/j.csite.2025.106974","DOIUrl":"https://doi.org/10.1016/j.csite.2025.106974","url":null,"abstract":"The process of coke making production is a complex industrial production process, JNDK55-05F coke oven is taken as the object for modeling and simulation of coke making production. Based on the one-dimensional plane heat transfer theory, the heat transfer model of 1/2 coal cake and furnace wall in carbonization chamber is built, and then the heat transfer models of all 65-hole carbonization chambers are constructed. Based on the gas unit heat transfer analysis method, the heat transfer model of twin flue in combustion chamber is built, and combining with the gas reversing machine model, the heat transfer model of all 66-hole combustion chambers are constructed. The surface temperature of furnace wall in each vertical flue and the coking heat consumption of coal cake in carbonization chamber are used to build the correlation of carbonization chamber coking process and vertical flue gas combustion process. And based on the coke pushing and coal loading schedule, the modeling and simulation of continuous coking production process for JNDK55-05F coke oven is realized. The simulation results show that the constructed simulation model can realize the simulation of a single carbonization chamber, the twin flue in combustion chamber, and the continuous coke making production process.","PeriodicalId":9658,"journal":{"name":"Case Studies in Thermal Engineering","volume":"45 1","pages":""},"PeriodicalIF":6.8,"publicationDate":"2025-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145009152","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}

{"title":"Ageing effect on the combustion characteristics of tunnel electric cables with various spacing distance","authors":"Jie Wang, Xinyu Song, Dongmei Gao, Kaihua Lu, Wenlong Wang","doi":"10.1016/j.csite.2025.106982","DOIUrl":"https://doi.org/10.1016/j.csite.2025.106982","url":null,"abstract":"The multiple rows, small spacing and intense arrangement of tunnel cables in service generates heat accumulation in the enclosure narrow long space coupled with wet underground environment, which accelerate low-temperature ageing. The ageing effect on the combustion of a specific cable type (ZR-YJV cable) with various cable spacings under the cone calorimeter was investigated. According to the thermal ageing mechanism of cable sheath and insulation, the ageing temperature and ageing time of the cable sample in the experiment were clarified. When the ageing duration is less than 20 days, the time to ignition (TTI) is similar whatever the cable spacing. The spacing configuration becomes the dominant factor affecting TTI when the aging duration exceeds 20 days, resulting in significantly prolonged TTI. The first and second peaks of the heat release rates (PHRR<ce:inf loc=\"post\">1</ce:inf> and PHRR<ce:inf loc=\"post\">2</ce:inf>) exhibit a non-monotonic response to ageing, decreasing initially before increasing. The turning point for this transition depends on spacing: PHRR<ce:inf loc=\"post\">1</ce:inf> reached its minimum at 10 days for 0D-spaced cables, but at 20 days for 1D and 2D spaced cables. The time to reach the PHRR<ce:inf loc=\"post\">1</ce:inf> and PHRR<ce:inf loc=\"post\">2</ce:inf> of aged cables at 0D spacing (105–166s) are considerably longer than that at 1D or 2D (87–125s). T<ce:inf loc=\"post\">PHRR1</ce:inf>s of cables arranged at various spacings under different radiation intensities show linear growth correlations with ageing time. The Fire growth index and the Fire performance index values also decreased and then increased after the 20-day threshold, confirming that the highest fire hazard consistently occurred at a 1D cable spacing. The ageing duration has different effects on toxic gas of cables with various spacing distance.","PeriodicalId":9658,"journal":{"name":"Case Studies in Thermal Engineering","volume":"38 1","pages":""},"PeriodicalIF":6.8,"publicationDate":"2025-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145009154","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}

{"title":"A coupling ventilation and refrigerating research for car cabin","authors":"Zihao Song, Suifan Chen, Qipeng Li, Likang Yang, Hanwei Wang","doi":"10.1016/j.csite.2025.106981","DOIUrl":"https://doi.org/10.1016/j.csite.2025.106981","url":null,"abstract":"The air conditioning (AC) cooling capacity model and the heat load model of the cabin were developed based on the lumped-parameter models, which aim to improve the current poor single cooling strategy of ventilation and the high energy consumption of the traditional cooling strategy. Moreover, the thermal coupling model of the AC-cabin was developed. The environmental condition data is derived from the Chinese Standard Weather. Which researched both the warming pattern of heat-soaked cabin and the cooling characteristics of the cabin under a single strategy of ventilation and cooling. Additionally, the combined cooling strategy of “ventilation + cooling” was proposed for the cabin, the cooling characteristics and energy consumption of the cabin were investigated by ventilation volume, ventilation time and cooling volume, respectively. Thus, the combined cooling strategy based on the Non-dominated Sorting Genetic Algorithm (NSGA-II) was proposed under the optimalization object of the lowest cooling energy consumption and constraints of ventilation volume, ventilation time and cooling volume. The result indicates that the combined cooling strategy can effectively reduce the cooling energy consumption of the cabin, which has a cooling energy consumption of 0.65 kW h, respectively 37 % lower than the literature optimal strategy and 46 % lower than the single cooling strategy.","PeriodicalId":9658,"journal":{"name":"Case Studies in Thermal Engineering","volume":"38 1","pages":""},"PeriodicalIF":6.8,"publicationDate":"2025-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145009153","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}

{"title":"Mechanisms of rill sidewall collapse on slopes under coupled freeze-thaw and dry-wet cycling","authors":"Wenbin Huang, Xiangtian Xu, Yongtao Wang, Xuan Zhang, Zixuan Liu","doi":"10.1016/j.csite.2025.106980","DOIUrl":"https://doi.org/10.1016/j.csite.2025.106980","url":null,"abstract":"The coupled freeze-thaw and wet-dry cycles significantly exacerbate the deterioration of soil mechanical properties, critically compromising the stability of rill sidewalls on slopes. Current research remains insufficient in elucidating the mechanisms underlying composite erosion processes linked by these coupled effects. This study investigates the deterioration of soil mechanical properties under coupled freeze-thaw and wet-dry cycles, and employs a self-developed slope erosion testing apparatus to conduct rainfall-induced slope erosion modeling experiments, thereby revealing the collapse mechanisms of rill sidewalls under these conditions. Key findings include: both freeze-thaw and wet-dry cycles adversely affect soil internal friction angle and cohesion, with established quantitative relationships between these mechanical parameters and the number of coupled cycles; rainfall triggers rill sidewall collapse, leading to abrupt particle loss that rapidly peaks; through theoretical analysis and experimental data, we propose a computational method that accurately predicts crack initiation locations at rill sidewall crests and determines critical instability thresholds. These findings provide a scientific basis for quantitative analysis of composite slope erosion processes and the development of targeted mitigation measures.","PeriodicalId":9658,"journal":{"name":"Case Studies in Thermal Engineering","volume":"124 1","pages":""},"PeriodicalIF":6.8,"publicationDate":"2025-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145009155","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}

{"title":"Simulation of catalyzed coal hydrogasification in fluidized bed under atmosphere of H2/CO2","authors":"Shuai Yan, Weiwei Li","doi":"10.1016/j.csite.2025.106972","DOIUrl":"https://doi.org/10.1016/j.csite.2025.106972","url":null,"abstract":"Coal catalytic hydrogasification is an efficient method to convert coal to natural gas. However, the large scale development of this technology is constrained by the used high cost of pure hydrogen. Three stage furnace may be a good way to solve this problem. To investigate the effect of CO<ce:inf loc=\"post\">2</ce:inf> addition on the hydrogasification performance, a mathematical model was developed for coal catalytic hydrogasification in a fluidized bed. This model integrated pressurized hydrodynamics with the kinetics of catalytic reactions. The model predicted maximum bubble size ranging from 6.4 to 7.7 mm, approximately 1/6–1/5 of the bed diameter, indicating that slug flow formation was effectively prevented. With the ratio of CO<ce:inf loc=\"post\">2</ce:inf> increased from 0 to 30 %, the maximum particle temperature decreased from 1350 to 1312 K, which meant the slagging may not happen. Even with 30 % CO<ce:inf loc=\"post\">2</ce:inf> addition, the primary source of CH<ce:inf loc=\"post\">4</ce:inf> production and carbon conversion remained C-H<ce:inf loc=\"post\">2</ce:inf> reaction, contributing 57.8 % and 58.0 %, respectively. The mainly reactions consuming CO<ce:inf loc=\"post\">2</ce:inf> at 30 % addition were CO<ce:inf loc=\"post\">2</ce:inf>+H<ce:inf loc=\"post\">2</ce:inf> reaction and CO<ce:inf loc=\"post\">2</ce:inf>+4H<ce:inf loc=\"post\">2</ce:inf> reaction, which accounted 41 % and 32 %, respectively. These finding provided valuable insights for determining the optimal adding CO<ce:inf loc=\"post\">2</ce:inf> addition ratio and offer guidance for the selection of alternative gasification agents.","PeriodicalId":9658,"journal":{"name":"Case Studies in Thermal Engineering","volume":"50 1","pages":""},"PeriodicalIF":6.8,"publicationDate":"2025-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145009174","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}

{"title":"Numerical investigation on combustion performances of premixed H2-air jet flames above a sudden expansion micro-nozzle","authors":"Bo Xu, Wanhao Liu, Aiwu Fan","doi":"10.1016/j.csite.2025.106979","DOIUrl":"https://doi.org/10.1016/j.csite.2025.106979","url":null,"abstract":"Our previous study demonstrated that divergent micro-nozzles designed for H<ce:inf loc=\"post\">2</ce:inf>-fueled domestic gas stoves can achieve a higher flame temperature than conventional straight micro-nozzles, but are more susceptible to flashback. To address this safety concern, the present work proposed a sudden expansion micro-nozzle and numerically investigated partially premixed H<ce:inf loc=\"post\">2</ce:inf>-air jet flames. A unique flame pattern consisting of dual flames with a smaller one inside the nozzle was identified. Besides, at large inlet velocities, the flame temperature at an expansion ratio (<ce:italic>γ</ce:italic>) of 1.4 shows a largest increase by 45.6 K compared to straight micro-nozzle. Moreover, the flashback limit decreases monotonically with an increasing <ce:italic>γ</ce:italic>. Specifically, the flashback limit drops from 5.0 m/s at <ce:italic>γ</ce:italic> = 1.2–3.0 m/s at <ce:italic>γ</ce:italic> = 2.0. Furthermore, the flashback limits of sudden expansion micro-nozzles show a largest decrease by 16.5 m/s compared to divergent micro-nozzles. Analysis demonstrates that a larger <ce:italic>γ</ce:italic> leads to a wider recirculation zone and a lower wall temperature, which diminishes the heat recirculation effect on the unburned mixture and reduces the flashback limit. The optimal expansion ratio range for practical applications is recommended to be <ce:italic>γ</ce:italic> = 1.4–1.8. Overall, the present study provides guidance to optimize the sudden expansion micro-nozzles for H<ce:inf loc=\"post\">2</ce:inf>-fueled gas stoves.","PeriodicalId":9658,"journal":{"name":"Case Studies in Thermal Engineering","volume":"55 1","pages":""},"PeriodicalIF":6.8,"publicationDate":"2025-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145009173","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}

{"title":"Thermal performance and fluid flow analysis of nano-encapsulated phase change materials in shell and tube heat exchanger applications","authors":"Gongxing Yan, Qian Zhang, Sabreen Q. Al-Timimy, Narinderjit Singh Sawaran Singh, Hamed Kazemi-Varnamkhasti, Ali Mohammadi Hasanabad, Belgacem Bouallegue","doi":"10.1016/j.csite.2025.106978","DOIUrl":"https://doi.org/10.1016/j.csite.2025.106978","url":null,"abstract":"The growing demand for energy-efficient thermal systems motivates this study, which investigates the potential of nano-encapsulated phase change materials (NEPCMs) to enhance the performance of shell and tube heat exchangers. This research is significant for advancing energy storage technologies and improving heat transfer efficiency in industrial and renewable energy applications. The investigation employs a three-dimensional, steady-state fluid flow model, utilizing a semi-cylindrical tube section to account for the problem's symmetrical characteristics. The simulation aims to evaluate the thermal performance enhancement achieved through the use of NEPCMs in the heat exchanger design. The inlet flow in the shell is assumed to be saturated steam, while the inlet flow in the tube is water-NEPCM nanofluid. The OpenFOAM package and finite volume solver are implemented to solve the governing equations, with a particular emphasis on energy analysis and the temperature and fluid flow contours. The results demonstrate significant improvements in heat transfer efficiency attributable to the incorporation of NEPCMs, highlighting their potential for optimizing heat exchanger performance. The results reveal that the usage of NEPCMs can improve the energy storage capacity by up to 16 % and enhance the output temperature of the heat exchanger by up to 7 K.","PeriodicalId":9658,"journal":{"name":"Case Studies in Thermal Engineering","volume":"31 1","pages":""},"PeriodicalIF":6.8,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145009175","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}