UNS: Fluid-driven Fracture of Elastic Materials, Flowback Dynamics and the Effect of Proppants

UNS:弹性材料的流体驱动断裂、返排动力学和支撑剂的影响

基本信息

  • 批准号:
    1509347
  • 负责人:
  • 金额:
    $ 30万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2015
  • 资助国家:
    美国
  • 起止时间:
    2015-07-01 至 2018-06-30
  • 项目状态:
    已结题

项目摘要

1509347 (Stone)The goal of the proposed research is to explore fluid dynamics phenomena that are related to hydraulic fracturing - an area of national importance for domestic energy production. The work proposed is based on fundamental theoretical analysis and elegant experiments conducted in simplified and very well-controlled systems of gelatin to model an elastic geological formation. When the pressure is relieved after hydraulic cracking of an elastic material, the fluid can flow back. This is a process that occurs in hydraulic fracturing and has implications for the production of hydrocarbons as well as for the environment, since hydraulic fracking fluids need to be monitored in the subsurface. In contrast to fluid-driven cracking of elastic materials, for which there is a substantial theoretical literature but only limited experiments, there is a much smaller literature on flowback when the pressure controlling injection is released. This proposal is about laboratory experiments and mathematical modeling to (i) understand and characterize the coupled fluid flow and elastic stresses of fluid-driven cracking followed by flowback as the elastic stresses relax, and (ii) will do so including a particle-laden fluid (the proppant). The experiments will make use of gelatin materials that are elastic but brittle and have been described previously in the solid-earth geophysics literature for the study of fluid-driven cracks. Hence, there will be a link between fluid injection and flowback to the elastic response of the bulk material, with results interpreted using appropriately scaled quantities and dimensional analysis. These experimental and modeling efforts will be among the first to describe the dynamics of flowback and the role of the proppant. Graduate students will be involved in research and a series of outreach lectures, the Harvard and Princeton holiday lectures on engineering and science for children and families, will be offered based on the research findings of the project.
1509347(斯通)拟议研究的目标是探索与水力压裂相关的流体动力学现象-这是国内能源生产的国家重要领域。提出的工作是基于基本的理论分析和优雅的实验进行了简化和非常好的控制系统的明胶模拟弹性地质构造。当弹性材料液压破裂后压力释放时,流体可以回流。这是在水力压裂中发生的过程,并且对碳氢化合物的生产以及对环境具有影响,因为需要在地下监测水力压裂流体。与弹性材料的流体驱动破裂相比,有大量的理论文献,但只有有限的实验,当压力控制注入被释放时,回流的文献要少得多。该提案是关于实验室实验和数学建模,以(i)理解和表征流体驱动破裂的耦合流体流动和弹性应力,然后在弹性应力松弛时回流,以及(ii)将包括载有颗粒的流体(支撑剂)。实验将使用明胶材料,这种材料是弹性的,但很脆,以前在固体地球物理学文献中已经描述过,用于研究流体驱动的裂缝。因此,流体注入和回流与散装材料的弹性响应之间将存在联系,并使用适当缩放的量和尺寸分析来解释结果。这些实验和建模工作将首先描述回流的动力学和支撑剂的作用。研究生将参与研究,并将根据该项目的研究结果举办一系列外联讲座,即哈佛和普林斯顿的儿童和家庭工程和科学假日讲座。

项目成果

期刊论文数量(0)
专著数量(0)
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会议论文数量(0)
专利数量(0)

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Howard Stone其他文献

Microstructure and mechanical properties of L1sub2/sub-strengthened Co–Ni–Fe-based superalloys
L1₂强化的钴镍铁基高温合金的微观结构和力学性能
Microstructure and mechanical properties of L1sub2/sub-strengthened Co–Ni–Fe-based superalloys
L1₂强化的钴镍铁基高温合金的微观结构和力学性能
Studies in the Three-Dimensional World of a Cancer Community of Cells
  • DOI:
    10.1016/j.bpj.2011.11.3261
  • 发表时间:
    2012-01-31
  • 期刊:
  • 影响因子:
  • 作者:
    Robert Austin;Liyu Liu;Bo Sun;Howard Stone
  • 通讯作者:
    Howard Stone
A Resident’s View of Mandatory Evaluation
  • DOI:
    10.1007/bf03400025
  • 发表时间:
    2018-04-12
  • 期刊:
  • 影响因子:
    2.800
  • 作者:
    Howard Stone;William Nelson
  • 通讯作者:
    William Nelson

Howard Stone的其他文献

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{{ truncateString('Howard Stone', 18)}}的其他基金

DMS/NIGMS 1: Viscoelasticity and Flow of Biological Condensates via Continuum Descriptions - How Droplets Coalesce and Wet Cellular Surfaces
DMS/NIGMS 1:通过连续体描述的生物凝聚物的粘弹性和流动 - 液滴如何聚结和润湿细胞表面
  • 批准号:
    2245850
  • 财政年份:
    2023
  • 资助金额:
    $ 30万
  • 项目类别:
    Continuing Grant
ISS: The Influence of Microgravity on Bacterial Transport and Pellicle Morphogenesis
ISS:微重力对细菌运输和菌膜形态发生的影响
  • 批准号:
    2323019
  • 财政年份:
    2023
  • 资助金额:
    $ 30万
  • 项目类别:
    Standard Grant
NSF-BSF: Explaining the Mismatch of Experiments and Simulations for Viscoelastic Flows
NSF-BSF:解释粘弹性流实验与模拟的不匹配
  • 批准号:
    2246791
  • 财政年份:
    2023
  • 资助金额:
    $ 30万
  • 项目类别:
    Standard Grant
Chemical Reactions and Chemically-driven Transport in Channels and Porous Media
通道和多孔介质中的化学反应和化学驱动的传输
  • 批准号:
    2127563
  • 财政年份:
    2021
  • 资助金额:
    $ 30万
  • 项目类别:
    Standard Grant
Fluid Dynamics of Speech and the Spatial-Temporal Distribution of Aerosols
语音流体动力学和气溶胶的时空分布
  • 批准号:
    2116184
  • 财政年份:
    2021
  • 资助金额:
    $ 30万
  • 项目类别:
    Standard Grant
RAPID: Flow Asymmetry in Human Breathing and the Asymptomatic Spreader
RAPID:人类呼吸中的气流不对称和无症状传播者
  • 批准号:
    2029370
  • 财政年份:
    2020
  • 资助金额:
    $ 30万
  • 项目类别:
    Standard Grant
The Roles of Heterogeneity, Mechanics, and the Environment in Biofilm Growth and Emergent Properties
异质性、力学和环境在生物膜生长和新兴特性中的作用
  • 批准号:
    1853602
  • 财政年份:
    2019
  • 资助金额:
    $ 30万
  • 项目类别:
    Standard Grant
Bubbles for Separating Particles from Suspensions: Thin Films and Curved Channels
用于从悬浮液中分离颗粒的气泡:薄膜和弯曲通道
  • 批准号:
    1804863
  • 财政年份:
    2018
  • 资助金额:
    $ 30万
  • 项目类别:
    Standard Grant
Separation of Colloidal Particles by Diffusiophoresis
通过扩散电泳分离胶体颗粒
  • 批准号:
    1702693
  • 财政年份:
    2017
  • 资助金额:
    $ 30万
  • 项目类别:
    Standard Grant
Collaborative Proposal: Theoretical, computational, and experimental investigations on the interaction between a lipid bilayer membrane and a solid substrate or particle
合作提案:脂质双层膜与固体基质或颗粒之间相互作用的理论、计算和实验研究
  • 批准号:
    1614907
  • 财政年份:
    2016
  • 资助金额:
    $ 30万
  • 项目类别:
    Standard Grant

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