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Knowledge of the Phase is Crucial for the Analysis of All Dynamic Hydraulic Systems Dr. Ing. h.c. F. Porsche AG
- Format:
- Book
- Conference/Event
- Author/Creator:
- Lenz, Thomas A., author.
- Conference Name:
- 23rd Stuttgart International Symposium (2023-07-04 : Stuttgart, Germany)
- Language:
- English
- Physical Description:
- 1 online resource cm
- Place of Publication:
- Warrendale, PA SAE International 2023
- Summary:
- For metrological traceability of pressure sensors, static calibration procedures are standard. If these sensors are used in dynamic systems, unexpected phenomena or deviations occur in the recorded signal characteristics. By setting up a dynamic pressure calibration facility, it is possible to investigate this dynamic behavior and learn about the interactions between sensor and investigated system. To be able to identify the disturbing influences and interactions occurring during calibration and in subsequent measurement use, it is necessary to increase the existing understanding of the system. In the context of the contribution, the calibration procedure used, its properties such as repeatability, reproducibility as well as the system interaction of the influencing variables are analyzed. Special attention is paid to the effects of varying gas content in the calibration medium, its influence on the system and on the observed phenomena occurring. By varying the system parameters, while keeping an eye on shock amplitude and gradient, the hypotheses suspected in prior publications can be confirmed. Observing the influences of signal processing and sensor geometry on the shape of pressure traces clearly shows the complexity of interactions of the system components. All performed measurements impressively demonstrate the need to separate the influences in dynamically excited pressure-carrying systems, to better understand their causes, and thus to be able to perform precise sensor classification and calibration. Using a setup for dynamic calibration of pressure sensors, the article discusses a variety of phenomena of multiphase hydraulic systems and provides detailed insights into fluid mechanical relationships
- Notes:
- Vendor supplied data
- Publisher Number:
- 2023-01-1207
- Access Restriction:
- Restricted for use by site license
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