Gas Ultrasonic Flow Metering

本课题将考虑测量系统设计与实现的各个方面：从超声波换能器的设计；传感器在测量系统内的放置；超声波信号保真度；信号处理;并集成额外的环境传感器数据。一开始，预计主要项目工作包如下。尽管如此，值得注意的是，研究将有机会探索其他感兴趣的领域，例如使用AI/ML来提高测量精度，最大误差为1%。该项目将有三个主要的研究主题：1。换能器规格已扩展到在-50℃至+250℃的温度下工作，最初的目标是改进目前的85℃规格，达到120℃，压力范围为环境至500bar。使用有限元建模将使研究人员能够了解当前系统配置的局限性，并探索新的转导设计。这将在工作频率和换能器尺寸方面的某些设计规范限制内实现。系统实现换能器制造和特性将是至关重要的，并为换能器设计过程提供反馈。识别额外的传感器模式以提高系统性能传感器集成到原型支架中在实验室环境中测试数据管理探索信号激励选项优化信号保真度探索信号处理机会，包括来自所有传感器输出的数据融合完整的系统测试方案总体而言，该项目将为研究人员提供传感器设计，材料科学，机械和电气设计考虑和信号处理方面的广泛系统工程经验，用于实际工业应用。重要的是，研究人员将有机会带来新的想法，同时保持在设计规范内。

This project will consider all aspects of the measurement system design and implementation: from ultrasonic transducer design; placement of the transducers within the measurement system; ultrasonic signal fidelity; signal processing; and integration of additional environmental sensor data.At the outset, the key project work packages are expected to be as follows. Although, it is important to note that there will be opportunities for the research to explore other areas of interest, for example using AI/ML to enhance the measurement accuracy with a maximum error of 1%.The project will have three major research themes:1. Transducer designThe transducer specification has been extended to operate at temperatures between -50C and +250C, with an initial goal to improve on the current 85C specification and reach 120C, and over a pressure range of ambient to 500bar.The use of finite element modelling will enable the researcher to understand the limitations of the current system configuration and explore new transduction designs. This will be achieved within certain design specification limitations in terms of operating frequency and transducer dimensions.2. System implementationTransducer fabrication and characterisation will be critical and provide feedback into the Transducer Design process.Identification of additional sensor modalities to enhance system performanceSensor integration into prototype holderTest within laboratory environment3. Data ManagementExplore signal excitation optionsOptimise signal fidelityExplore signal processing opportunities, including data fusion from all sensor outputsFull system testing regimeOverall, this project will provide the researcher with a broad systems engineering experience in sensor design, materials science, mechanical and electrical design considerations and signal processing, for a practical industrial application. Importantly, there will be opportunities for the researcher to bring fresh ideas, while remaining within the design specification.