Browse Publications Technical Papers 2009-01-0663

Implementation and Evaluation of a Coriolis Flow Meter 2009-01-0663

The Micro Motion CMF010P flow meter is a Coriolis-type mass flow meter used to measure dynamic and static flow rate. A detailed review of this system and five other mass flow rate measuring devices was previously completed at Ford Motor Company’s Powertrain and Fuel Subsystems Laboratory [1, 2]. The comparison analyzed the dynamic mass flow rate results of a high-pressure gasoline fuel injector. The Micro Motion flow meter proved to be easy to use while providing sufficient accuracy and repeatability at a reasonable price.
The meter’s inherent technology measures the change in flow tube oscillation frequency and twist to obtain highly accurate density and flow rate measurements. Unfortunately, the operating principle can be subject to resonance. Therefore, the resonant frequencies need to be identified and avoided when taking measurements. A gage R&R (Repeatability & Reproducibility) study confirmed that the system is capable of providing repeatable and reproducible measurements of mass flow through an injector once the system has been properly optimized. The objective of this report is to provide details regarding the implementation of the meter and to present a detailed analysis of its performance in the gage R&R study.


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