Particle Imaging Manometry

粒子成像测压法

• 批准号: 1000783
• 负责人: Carlos Mastrangelo
• 金额: $ 34万
• 依托单位: University of Utah
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2010
• 资助国家: 美国
• 起止时间: 2010-08-15 至 2015-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1000783&HistoricalAwards=false
• 关键词: Particle; Imaging; Manometry

Abstract1000783Carlos MastrangeloUniversity of UtahFlow field mapping is essential in understanding of flows in many engineering fields in the biomedical, chemical, oil and aerospace industries. The most widely used methods for quantitative flow velocity visualization is particle image velocimetry or PIV. PIV is tremendously powerful. In PIV the fluid is seeded with tracer particles to determine the magnitude and direction for the velocity field at an arbitrary location. Unlike PIV there is no widely used equivalent technique to determine the equally important complementary pressure field. This capability has been lacking for many decades, and in this proposal it is believed that a feasible technology that can provide the pressure field information in an analogous way as PIV does for the velocity field.Construction of pressure-sensitive engineered particles and a measurement instrument to implement a Particle Imaging Manometry (PIM) system will be undertaked. The proposed research has three major technical objectives: (1) the design and implementation of a family of pressure-sensing particles remotely interrogated via optical cavity resonance, (2) the development of microfabrication methods for the mass production of the particles, and (3) the design, construction and testing of a high speed spectroscopic microscope setup to demonstrate the feasibility of the PIM technique.

摘要1000783卡洛斯·马斯特兰杰洛犹他大学流场测绘对于理解生物医学、化学、石油和航空航天行业许多工程领域的流动至关重要。最广泛使用的定量流速可视化方法是粒子图像测速法或 PIV。 PIV 非常强大。在 PIV 中，流体中注入示踪粒子，以确定任意位置速度场的大小和方向。 与 PIV 不同，没有广泛使用的等效技术来确定同样重要的补充压力场。这种能力几十年来一直缺乏，在该提案中，相信有一种可行的技术，可以像PIV提供速度场那样提供压力场信息。压敏工程粒子和测量仪器的构建将实施粒子成像测压（PIM）系统。拟议的研究具有三个主要技术目标：（1）设计和实现一系列通过光腔谐振远程询问的压力传感颗粒，（2）开发用于大规模生产颗粒的微加工方法，以及（3） ）设计、构建和测试高速光谱显微镜装置，以证明 PIM 技术的可行性。