Elastodynamic quasi-guided waves for transit-time ultrasonic flow metering
A non-invasive ultrasonic flow meter is studied for which the pipe remains unperforated and without obstructions in its interior. Elastic waves that are excited inside the pipe wall interact with the adjacent fluid to form quasi-guided waves. These can be either of leaky or trapped kind. The radiati...
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| פורמט: | Online |
| שפה: | אנגלית |
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FAU University Press
2025
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| נושאים: | |
| גישה מקוונת: | ONIX_20250828T094736_9783961475506_47 |
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| _version_ | 1869524327109492736 |
|---|---|
| author | Kiefer, Daniel A. |
| author_browse | Kiefer, Daniel A. |
| author_facet | Kiefer, Daniel A. |
| author_sort | Kiefer, Daniel A. |
| collection | Directory of Open Access Books |
| description | A non-invasive ultrasonic flow meter is studied for which the pipe remains unperforated and without obstructions in its interior. Elastic waves that are excited inside the pipe wall interact with the adjacent fluid to form quasi-guided waves. These can be either of leaky or trapped kind. The radiation of the leaky waves is exploited to insonify the pipe’s interior. The quasi-guided waves are studied in-depth with particular emphasis on their radiation behavior. Highly reliable and efficient computational methods are developed for this purpose. The ultrasonic transit time in the flow meter is modeled systematically based on the aforementioned waves. Thereby, the effects of fluid flow and temperature are included explicitly in an analytical manner. Compared to conventional ultrasonic flow meters, we find that devices based on quasi-guided waves exhibit a strongly reduced cross-sensitivity to temperature, which is also confirmed experimentally. The developed analytical and numerical techniques enable a systematic optimization of such devices with regard to their temperature-dependent behavior, geometrical uncertainties, material aging, as well as scaling and deposition of other layers. |
| format | Online |
| id | doab-20.500.12854ir-166258 |
| institution | Directory of Open Access Books |
| language | eng |
| publishDate | 2025 |
| publishDateRange | 2025 |
| publishDateSort | 2025 |
| publisher | FAU University Press |
| publisherStr | FAU University Press |
| record_format | ojs |
| spelling | doab-20.500.12854ir-1662582025-10-16T12:52:48Z Elastodynamic quasi-guided waves for transit-time ultrasonic flow metering Kiefer, Daniel A. Ultraschall Sensor Abstrahlung Kontinuumsmechanik Plattenwelle Durchflussmesser Dispersion thema EDItEUR::P Mathematics and Science::PH Physics::PHD Classical mechanics::PHDS Wave mechanics (vibration and acoustics) thema EDItEUR::P Mathematics and Science::PB Mathematics::PBW Applied mathematics::PBWH Mathematical modelling thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBM Instruments and instrumentation::TBMM Engineering measurement and calibration A non-invasive ultrasonic flow meter is studied for which the pipe remains unperforated and without obstructions in its interior. Elastic waves that are excited inside the pipe wall interact with the adjacent fluid to form quasi-guided waves. These can be either of leaky or trapped kind. The radiation of the leaky waves is exploited to insonify the pipe’s interior. The quasi-guided waves are studied in-depth with particular emphasis on their radiation behavior. Highly reliable and efficient computational methods are developed for this purpose. The ultrasonic transit time in the flow meter is modeled systematically based on the aforementioned waves. Thereby, the effects of fluid flow and temperature are included explicitly in an analytical manner. Compared to conventional ultrasonic flow meters, we find that devices based on quasi-guided waves exhibit a strongly reduced cross-sensitivity to temperature, which is also confirmed experimentally. The developed analytical and numerical techniques enable a systematic optimization of such devices with regard to their temperature-dependent behavior, geometrical uncertainties, material aging, as well as scaling and deposition of other layers. 2025-08-29T05:06:52Z 2025-08-29T05:06:52Z 2025-08-28T08:00:30Z 2022 book ONIX_20250828T094736_9783961475506_47 https://library.oapen.org/handle/20.500.12657/105803 9783961475506 9783961475490 https://directory.doabooks.org/handle/20.500.12854/166258 eng FAU Forschungen : Reihe B open access image/jpeg image/jpeg n/a n/a https://library.oapen.org/bitstream/20.500.12657/105803/1/9783961475506.pdf https://library.oapen.org/bitstream/20.500.12657/105803/1/9783961475506.pdf FAU University Press 10.25593/978-3-96147-550-6 10.25593/978-3-96147-550-6 2c600dea-eece-4066-87be-da335e323fdb 9783961475506 9783961475490 AG Universitätsverlage 213 Erlangen open access |
| spellingShingle | Ultraschall Sensor Abstrahlung Kontinuumsmechanik Plattenwelle Durchflussmesser Dispersion thema EDItEUR::P Mathematics and Science::PH Physics::PHD Classical mechanics::PHDS Wave mechanics (vibration and acoustics) thema EDItEUR::P Mathematics and Science::PB Mathematics::PBW Applied mathematics::PBWH Mathematical modelling thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBM Instruments and instrumentation::TBMM Engineering measurement and calibration Kiefer, Daniel A. Elastodynamic quasi-guided waves for transit-time ultrasonic flow metering |
| title | Elastodynamic quasi-guided waves for transit-time ultrasonic flow metering |
| title_full | Elastodynamic quasi-guided waves for transit-time ultrasonic flow metering |
| title_fullStr | Elastodynamic quasi-guided waves for transit-time ultrasonic flow metering |
| title_full_unstemmed | Elastodynamic quasi-guided waves for transit-time ultrasonic flow metering |
| title_short | Elastodynamic quasi-guided waves for transit-time ultrasonic flow metering |
| title_sort | elastodynamic quasi guided waves for transit time ultrasonic flow metering |
| topic | Ultraschall Sensor Abstrahlung Kontinuumsmechanik Plattenwelle Durchflussmesser Dispersion thema EDItEUR::P Mathematics and Science::PH Physics::PHD Classical mechanics::PHDS Wave mechanics (vibration and acoustics) thema EDItEUR::P Mathematics and Science::PB Mathematics::PBW Applied mathematics::PBWH Mathematical modelling thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBM Instruments and instrumentation::TBMM Engineering measurement and calibration |
| topic_facet | Ultraschall Sensor Abstrahlung Kontinuumsmechanik Plattenwelle Durchflussmesser Dispersion thema EDItEUR::P Mathematics and Science::PH Physics::PHD Classical mechanics::PHDS Wave mechanics (vibration and acoustics) thema EDItEUR::P Mathematics and Science::PB Mathematics::PBW Applied mathematics::PBWH Mathematical modelling thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBM Instruments and instrumentation::TBMM Engineering measurement and calibration |
| url | ONIX_20250828T094736_9783961475506_47 |
| work_keys_str_mv | AT kieferdaniela elastodynamicquasiguidedwavesfortransittimeultrasonicflowmetering |