An Ultra-High-Speed Velocity-Based Interferometer System used for Innovative Discoveries on the Impact and Shock Responses of Materials and Structures

基于超高速速度的干涉仪系统，用于材料和结构的冲击和冲击响应的创新发现

• 批准号: RTI-2021-00054
• 负责人: Hogan, James
• 金额: $ 10.93万
• 依托单位: University of Alberta
• 依托单位国家: 加拿大
• 项目类别: Research Tools and Instruments
• 财政年份: 2020
• 资助国家: 加拿大
• 起止时间: 2020-01-01 至 2021-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=718776
• 关键词: Ultra; Speed; Velocity; Based; Interferometer

To improve our understanding of deformation and failure in materials and structures during impact and shock events in Biomechanics, Defence and Aerospace, and Advanced Manufacturing, we are requesting funding to purchase a state-of-the-art ultra-high-speed multi-channel velocity-based interferometer system (known as Photon Doppler Velocimetry - PDV). This system will allow the simultaneous study of highly transient deformation fields spanning nanoseconds to milliseconds (e.g., phase transformation during laser machining to bulging of armor during ballistic impact). The PDV system will leverage current +$1.5 million NSERC- and CFI-funded mechanical testing, impact and shock labs, and manufacturing facilities, and will support +45 HQP. There is currently no comparable system in Canada capable of operating at the same sampling rates (80 GHz), bandwidths (25 GHz), and low noise (2x more expensive, possess shorter recording times and have slower sampling rates (max 10 MHz), and have less flexibility in measurement placement (e.g., fixed). The equipment will serve as a centerpiece of a cross-university and diverse research program addressing fundamental and applied challenges in three core Themes supporting Canadian industries: 1) Biomechanics: Reduce injury during impact (e.g., sport collisions) and improve health through the design, refinement, and qualification of biofidelic implant and protective structures. 2) Defence the familiarity of the applicants with advanced diagnostics (e.g., cameras, interferometers), their proven publication record in Theme-related studies (+190 papers), and recognized researcher quality (e.g., ASME Fellow, Canadian Research Chair); and the many on-going team projects that make use of the PDV system (~$2.1M/year). Finally, the research program will offer world-class training to HQP that emphasizes: advanced technical (e.g., Data Analytics) and professional development training (e.g., Entrepreneurship); immersive exchange programs and workshops with Major Users that promote knowledge translation (e.g., Defence Canada, General Dynamics, InnoTech Alberta, King's College, US Army); and hiring for EDI through an unbiased recruitment process. This will promote fundamental discoveries and impactful joint-university publications. A delay in acquiring this equipment will diminish HQP training, constrain the innovation of our programs, and limit the potential for attracting industrial partners and collaborators.

为了提高我们对生物力学、国防和航空航天以及先进制造领域的冲击和冲击事件期间材料和结构变形和失效的理解，我们正在申请资金购买最先进的超高速多通道基于速度的干涉仪系统（称为光子多普勒测速 - PDV）。该系统将允许同时研究从纳秒到毫秒的高度瞬态变形场（例如，激光加工期间的相变到弹道撞击期间装甲的膨胀）。 PDV 系统将利用目前由 NSERC 和 CFI 资助的超过 150 万美元的机械测试、冲击和冲击实验室以及制造设施，并将支持 +45 HQP。目前加拿大没有能够以相同的采样率 (80 GHz)、带宽 (25 GHz) 和低噪声（贵 2 倍、记录时间更短且采样率更慢（最大 10 MHz））运行的类似系统，并且测量放置的灵活性较低（例如，固定）。该设备将作为跨大学和多样化研究计划的核心，解决支持加拿大工业的三个核心主题的基本和应用挑战：1）生物力学：减少碰撞过程中的伤害。 （例如，运动碰撞）并通过生物仿真植入物和保护结构的设计、改进和鉴定来改善健康。 2) 证明申请人对先进诊断技术（例如相机、干涉仪）的熟悉程度、他们在主题相关研究中经过验证的发表记录（超过 190 篇论文）以及公认的研究人员素质（例如 ASME 院士、加拿大研究主席）；以及许多正在进行的使用 PDV 系统的团队项目（约 210 万美元/年）。最后，该研究计划将为总部提供世界一流的培训，重点是：先进技术（例如数据分析）和专业发展培训（例如创业）；与促进知识转化的主要用户（例如加拿大国防部、通用动力公司、艾伯塔省创新科技公司、国王学院、美国陆军）开展沉浸式交流计划和研讨会；通过公正的招聘流程招聘 EDI。这将促进基础发现和有影响力的联合大学出版物。延迟获取这些设备将减少总部培训，限制我们项目的创新，并限制吸引工业合作伙伴和合作者的潜力。