使用喷射器产生的参考流量曲线动态校准流量计

IF 5.2 2区工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY

Measurement Pub Date : 2025-06-08 DOI:10.1016/j.measurement.2025.118129

Raffaella Romeo , Lucio Postrioti , Davide Torchio , Manuel Martino , Andrea Malengo

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引用次数: 0

摘要

提出了一种在动态条件下标定流量计的新方法，该方法利用汽车喷射系统生成可变参考流量。该方法在不同的流量曲线上进行了测试，包括理想的流量时程（正弦波和锯齿波）和在WLTP（全球统一轻型车辆测试程序）汽车型式认证测试中记录的实际燃油流量曲线。为了证明该方法的有效性，给出了用科里奥利流量计得到的一些结果。与其他方法（如基于阀门或容积活塞的方法）相比，通过该方法获得的参考流量曲线具有动态特性（主要是流量振荡时间和梯度），可以很容易地针对特定应用进行定制。该方法在评估流量计动态响应方面具有很高的潜力，与恒流量校准的结果有很大的不同。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Dynamic calibration of flow meters using reference flow rate profiles generated by injectors

A new method to calibrate flow meters under dynamic conditions has been developed, based on the generation of variable reference flow rates using an automotive injection system.

The method was tested with different flow profiles, including both idealized flow time-histories (sinusoidal and sawtooth waves) and actual fuel flow rate profiles recorded during WLTP (Worldwide harmonized Light vehicles Test Procedure) automotive type-approval tests. To demonstrate the effectiveness of the method, some results obtained with a Coriolis flow meter are presented. Compared with other methods such as those based on valves or volumetric pistons, the reference flow rate profiles obtained by the proposed approach feature dynamic characteristics (mainly flow oscillation time and gradients) that can be easily tailored to specific applications. The method has a high potential in evaluating the dynamic response of flow meters, which can be very different from that obtained with constant flow calibration.

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来源期刊

Measurement 工程技术-工程：综合

CiteScore

10.20

自引率

12.50%

发文量

1589

审稿时长

12.1 months

期刊介绍： Contributions are invited on novel achievements in all fields of measurement and instrumentation science and technology. Authors are encouraged to submit novel material, whose ultimate goal is an advancement in the state of the art of: measurement and metrology fundamentals, sensors, measurement instruments, measurement and estimation techniques, measurement data processing and fusion algorithms, evaluation procedures and methodologies for plants and industrial processes, performance analysis of systems, processes and algorithms, mathematical models for measurement-oriented purposes, distributed measurement systems in a connected world.