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Abstract
The article presents the negative aspects of the influence of static and dynamic acceleration on the accuracy of pressure measurement for a selected type of transmitter. The influence of static accelerations from catalog notes was shown and compared with the tests results for a few selected sensors. The results of research on the influence of dynamic acceleration for various types of its variability for selected converters are presented. Moreover, a method of measurement patented by the authors that uses a complex transducer is shown. The method allows for more accurate measurements on moving objects. The tests were performed based on the proposed method. The obtained results of the influence of acceleration on the classical sensor as well as the construction using the proposed method are shown. The paper presents approximate pressure measurement errors resulting from the influence of acceleration. For example, errors in measuring the speed of an airplane may occur without the proposed method. The last part of the article presents a unique design dedicated to a multi-point pressure measurement system, which uses the presented method of eliminating the influence of accelerations on the pressure measurement.
Highlights
The article presents the negative aspects of the influence of static and dynamic acceleration on the accuracy of pressure measurement for a selected type of transmitter
If it responds to static acceleration, it must dt respond to dynamic acceleration dt related to the movement of the sensor relative to the ground, and it is, as described in
In all types of pressure transducers, the measurement is obtained by measuring the deformation of the elastic
Summary
As mentioned in the first section, the essential element of the pressure transdu. 15 other h the partition between the chambers, i.e., the elastic structure-b Figure 1. If it responds to static acceleration, it must dt respond to dynamic acceleration dt related to the movement of the sensor relative to the ground, and it is, as described in. In addition to the force that is responsible for the pressure, the lated to the movement the sensor the ground, it is, as described in E measuring structure is alsoofinfluenced byrelative the forcetoassociated withand accelerations.
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