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Macromolecular Theory and Simulations最新文献

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IF 1.6 4区 工程技术
Macromolecular Theory and Simulations Pub Date : 2026-05-26
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引用次数: 0
IF 1.6 4区 工程技术
Macromolecular Theory and Simulations Pub Date : 2026-05-26
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引用次数: 0
IF 1.6 4区 工程技术
Macromolecular Theory and Simulations Pub Date : 2026-05-26
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引用次数: 0
IF 1.6 4区 工程技术
Macromolecular Theory and Simulations Pub Date : 2026-05-26
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引用次数: 0
IF 1.6 4区 工程技术
Macromolecular Theory and Simulations Pub Date : 2026-05-19
{"title":"","authors":"","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":18157,"journal":{"name":"Macromolecular Theory and Simulations","volume":"35 3","pages":""},"PeriodicalIF":1.6,"publicationDate":"2026-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148086344","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
IF 1.6 4区 工程技术
Macromolecular Theory and Simulations Pub Date : 2026-04-30
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引用次数: 0
IF 1.6 4区 工程技术
Macromolecular Theory and Simulations Pub Date : 2026-04-20
{"title":"","authors":"","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":18157,"journal":{"name":"Macromolecular Theory and Simulations","volume":"35 3","pages":""},"PeriodicalIF":1.6,"publicationDate":"2026-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148086045","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Screw Configuration Analysis Algorithm and Energy Correction Model for Polypropylene Melt Behavior in Twin-Screw Extrusion 双螺杆挤出聚丙烯熔体行为的螺杆构型分析算法及能量修正模型
IF 1.6 4区 工程技术
Macromolecular Theory and Simulations Pub Date : 2026-04-13 DOI: 10.1002/mats.70040
Chang Liang, Jincheng Xie, Chong Zhao, Xianshun Guo, Chao Bi
{"title":"Screw Configuration Analysis Algorithm and Energy Correction Model for Polypropylene Melt Behavior in Twin-Screw Extrusion","authors":"Chang Liang,&nbsp;Jincheng Xie,&nbsp;Chong Zhao,&nbsp;Xianshun Guo,&nbsp;Chao Bi","doi":"10.1002/mats.70040","DOIUrl":"https://doi.org/10.1002/mats.70040","url":null,"abstract":"<div>\u0000 \u0000 <p>Twin-screw extruders (TSEs) are widely applied in polymer processing, where the screw configuration critically influences melt flow behavior and product performance. Existing analyses of these effects are mostly based on the assumption of fully filled flow, which deviates from real processing conditions and limits accurate evaluation of mixing efficiency and energy dissipation characteristics. To address this limitation, a screw configuration analysis algorithm based on dynamic fill degree is developed to enable real-time evaluation of multi-parameter screw characteristics, material fill degree, and rheological behavior. Experimental validation on an industrial Φ30 mm extruder processing polypropylene demonstrates high accuracy in characterizing screw performance and material distribution. By integrating the experimental data, an energy correction model is further established, reducing the prediction error to within ± 5%. This study provides a novel tool for precise control and energy assessment of twin-screw extrusion processes, facilitating reduced energy waste and supporting industrial energy conservation.</p>\u0000 </div>","PeriodicalId":18157,"journal":{"name":"Macromolecular Theory and Simulations","volume":"35 3","pages":""},"PeriodicalIF":1.6,"publicationDate":"2026-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147668496","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Empirical Determination of the Thermodynamic Equilibrium Fluctuation of Volume, Pressure, Entropy, and Temperature for Polyethylene Based on the Pressure-Volume-Temperature-Entropy Equation of State 基于压力-体积-温度-熵状态方程的聚乙烯体积、压力、熵和温度热力学平衡波动的经验测定
IF 1.6 4区 工程技术
Macromolecular Theory and Simulations Pub Date : 2026-04-07 DOI: 10.1002/mats.70039
Susumu Saeki
{"title":"Empirical Determination of the Thermodynamic Equilibrium Fluctuation of Volume, Pressure, Entropy, and Temperature for Polyethylene Based on the Pressure-Volume-Temperature-Entropy Equation of State","authors":"Susumu Saeki","doi":"10.1002/mats.70039","DOIUrl":"https://doi.org/10.1002/mats.70039","url":null,"abstract":"<div>\u0000 \u0000 <p>Fluctuations in thermodynamic equilibrium states are a useful tool to investigate a dynamic molecular motion in a small system inside a large homogeneous system. The thermodynamic equilibrium fluctuations of the volume, <i>V</i>, pressure, <i>P</i>, entropy, <i>S</i>, and temperature, <i>T</i>, in the small system for polyethylene (<i>PE</i>) were determined empirically based on an empirical <i>P</i>-<i>V</i>-<i>T</i>-<i>S</i> equation of state and theories by Landau and Lifshitz and by Kubo where it was found there was two types of the fluctuation probability density and a simple relationship between a square average of fluctuation for <i>P</i>, <i>V</i>, <i>T</i> and <i>S</i>.</p>\u0000 </div>","PeriodicalId":18157,"journal":{"name":"Macromolecular Theory and Simulations","volume":"35 3","pages":""},"PeriodicalIF":1.6,"publicationDate":"2026-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147668250","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Issue Information: Macromol. Theory Simul. 3/2026 发布信息：Macromol。理论模拟3/2026
IF 1.6 4区 工程技术
Macromolecular Theory and Simulations Pub Date : 2026-04-07 DOI: 10.1002/mats.70041
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引用次数: 0
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