1. The Impact of Vortex Flow Meters on the Accumulation of Flow Surface in Vortex Generators
If there are viscous particles in the measured fluid, they may gradually accumulate on the upstream surface of the vortex generator, causing its geometry and size to change. As a result, the flow coefficient will also change accordingly. Therefore, attention should be paid to cleaning during use.
2. The Impact of Temperature on Measurement
The impact of temperature changes on the geometric dimensions of the measuring body consists of two parts. One part is caused by changes in the inner diameter of the pipeline. Eliminating this impact is usually done through the correction of the K factor. Currently, some manufacturers’ flow meters have both fixed temperature correction and real-time temperature correction in their software.
3. Issues in Model Selection
The selected diameter should be as small as possible to improve measurement accuracy. For example, in the design of vortex pipelines used by multiple devices, since some equipment in the process section is sometimes not in use, the actual flow in use decreases.
If the original diameter was selected based on the design model, it may now be too large, effectively raising the measurable lower limit of flow.
In such cases, the flow indication might not be reliable, although high flow rates can still be measured. However, if the process conditions change, it may be too difficult to resize the pipeline. Since changes in process conditions are only temporary, resetting parameters can improve the indication accuracy.
4. Installation Issues
If the straight pipe length in front of the vortex flow meter sensor is insufficient, it will affect the measurement accuracy.
5. The Reason for the Direction of Parameter Settings
Incorrect product parameters can lead to erroneous instrument instructions. Parameter errors cause full-frequency calculation errors in secondary instruments, where nearly full-frequency phase makes long-term instructions unreliable. The actual full frequency being greater than the calculated full frequency causes wide fluctuations in indications.
The inconsistency between the reading and the material parameters affects the final parameters, which are determined by calibration and then compared again. These issues can be resolved through this process.
Summary
The article discusses the impact of incorrect product parameters on the performance of instruments, particularly in relation to frequency calculations. Errors in parameter settings can lead to incorrect instructions from the instrument, causing fluctuations and inconsistencies in measurements.
These issues arise when the actual full frequency deviates from the calculated values, leading to unreliable long-term instructions. The inconsistency between the reading and material parameters affects the final outcome. To resolve these issues, the article suggests that calibration and comparison of the final parameters are essential to ensure accurate results.