Anisotropic Thermal Conductivity in Shear Deformations of Polymer Melts
聚合物熔体剪切变形中的各向异性导热系数
基本信息
- 批准号:0075789
- 负责人:
- 金额:$ 19.44万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2000
- 资助国家:美国
- 起止时间:2000-08-01 至 2004-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Abstract for Venerus' project0075789 Anisotropic Thermal Conduction in Deforming PolymersFlow-induced orientation of polymeric molecules results in anisotropic mechanical, optical and thermal properties and has profound effects on material properties. The objective of this study is to obtain quantitative, time-dependent measurements of the thermal diffusivity tensor in deforming polymer liquids. These measurements will be made using a non-invasive optical technique known as Forced Rayleigh Scattering. Experiments will be conducted on several polymer melts in step-shear strain and cessation of steady shear rate flows. Measured components of the thermal diffusivity tensor will used in conjunction with mechanical (stress) and optical (birefringence) data to evaluate the stress-thermal rule. Understanding the connection between the flow-induced orientation that occurs during processing of polymers and their end-use physical properties is essential. The thermal diffusivity tensor measurements obtained in this study will significantly enhance efforts to formulate physically-meaningful process flow models that can be used for the development of advanced processing technologies and applications.
Venerus的项目0075789变形聚合物中的各向异性热传导聚合物分子的流动诱导取向导致各向异性的机械、光学和热性能,并对材料性能产生深远的影响。这项研究的目的是获得变形聚合物液体中热扩散率张量的定量、随时间变化的测量结果。这些测量将使用一种名为强迫瑞利散射的非侵入性光学技术进行。将在阶跃剪切应变和停止稳定剪切速率流动的情况下对几种聚合物熔体进行实验。热扩散张量的测量分量将结合机械(应力)和光学(双折射)数据来评估应力-热规律。了解聚合物加工过程中产生的流动诱导取向与其最终用途物理性质之间的联系是至关重要的。本研究中获得的热扩散率张量测量将大大加强制定具有物理意义的工艺流程模型的努力,这些模型可用于开发先进的加工技术和应用。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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David Venerus其他文献
David Venerus的其他文献
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{{ truncateString('David Venerus', 18)}}的其他基金
Investigation of Molecular Mechanisms for Anisotropic Thermal Transport in Polymers
聚合物中各向异性热传输的分子机制研究
- 批准号:
1336442 - 财政年份:2013
- 资助金额:
$ 19.44万 - 项目类别:
Continuing Grant
Rheology of Complex Fluids in Equibiaxial Elongational Flows
等双轴拉伸流中复杂流体的流变学
- 批准号:
1236576 - 财政年份:2012
- 资助金额:
$ 19.44万 - 项目类别:
Standard Grant
Collaborative Research: EAGER Proposal on Non-Homogeneous Flow Fields in Nonlinear Rheology: A Challenge to Current Paradigms?
合作研究:关于非线性流变学中非均匀流场的迫切建议:对当前范式的挑战?
- 批准号:
0934354 - 财政年份:2009
- 资助金额:
$ 19.44万 - 项目类别:
Standard Grant
Collaborative Research: International Nanofluid Properties Benchmark Exercise (INPBE)
合作研究:国际纳米流体特性基准测试(INPBE)
- 批准号:
0812902 - 财政年份:2008
- 资助金额:
$ 19.44万 - 项目类别:
Standard Grant
SGER: Flow-induced anisotropic thermal energy transport in elongational flows of polymer liquids
SGER:聚合物液体拉伸流动中流动引起的各向异性热能传输
- 批准号:
0837907 - 财政年份:2008
- 资助金额:
$ 19.44万 - 项目类别:
Standard Grant
GOALI: Rheological Investigation of Polymer Melts in Equibiaxial Elongational Flows
目标:等双轴拉伸流动中聚合物熔体的流变学研究
- 批准号:
0327955 - 财政年份:2004
- 资助金额:
$ 19.44万 - 项目类别:
Continuing Grant
Anisotropic Thermal Conductivity Studies in Deforming Fluidswith Microstructure
微结构变形流体的各向异性热导率研究
- 批准号:
9509754 - 财政年份:1995
- 资助金额:
$ 19.44万 - 项目类别:
Continuing Grant
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