A Novel Measurement Approach to Experimentally Determine the Thermomechanical Properties of a Gas Foil Bearing Using a Specialized Sensing Foil Made of Inconel Alloy
Modern approaches dedicated to controlling the operation of gas foil bearings require advanced measurement techniques to comprehensively investigate the bearings’ thermal and thermomechanical properties. Their successful long-term maintenance with constant operational characteristics may be feasible...
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| Format: | Article |
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MDPI AG
2022-12-01
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| Series: | Materials |
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| Online Access: | https://www.mdpi.com/1996-1944/16/1/145 |
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| author | Adam Martowicz Jakub Roemer Paweł Zdziebko Grzegorz Żywica Paweł Bagiński Artur Andrearczyk |
| author_facet | Adam Martowicz Jakub Roemer Paweł Zdziebko Grzegorz Żywica Paweł Bagiński Artur Andrearczyk |
| author_sort | Adam Martowicz |
| collection | DOAJ |
| description | Modern approaches dedicated to controlling the operation of gas foil bearings require advanced measurement techniques to comprehensively investigate the bearings’ thermal and thermomechanical properties. Their successful long-term maintenance with constant operational characteristics may be feasible only when the allowed thermal and mechanical regimes are rigorously kept. Hence, an adequate acquisition of experimental readings for the critical physical quantities should be conducted to track the actual condition of the bearing. The above-stated demand has motivated the authors of this present work to perform the thermomechanical characterization of the prototype installation of a gas foil bearing, applying a specialized sensing foil. This so-called top foil is a component of the structural part of the bearing’s supporting layer and composed of a superalloy, Inconel 625. The strain and temperature distributions were identified based on the readings from the strain gauges and integrated thermocouples mounted on the top foil. The measurements’ results were obtained for the experiments that represent the arbitrarily selected operational conditions of the tested bearing. Specifically, the considered measurement scenario relates to the operation at a nominal rotational speed, i.e., during the stable process, as well as to the run-up and run-out stages. The main objectives of the work are: (a) experimental proof for the described functionalities of the designed and manufactured specialized sensing foil that allow for the application of a novel approach to the bearing’s characterization, and (b) qualitative investigation of the relation between the mechanical and thermal properties of the tested bearing, using the measurements conducted with the newly proposed technical solution. |
| first_indexed | 2024-03-11T09:55:45Z |
| format | Article |
| id | doaj.art-304e6e050d5649bb85a3ce08bf78bfa1 |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-11T09:55:45Z |
| publishDate | 2022-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Materials |
| spelling | doaj.art-304e6e050d5649bb85a3ce08bf78bfa12023-11-16T15:47:39ZengMDPI AGMaterials1996-19442022-12-0116114510.3390/ma16010145A Novel Measurement Approach to Experimentally Determine the Thermomechanical Properties of a Gas Foil Bearing Using a Specialized Sensing Foil Made of Inconel AlloyAdam Martowicz0Jakub Roemer1Paweł Zdziebko2Grzegorz Żywica3Paweł Bagiński4Artur Andrearczyk5Department of Robotics and Mechatronics, AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Krakow, PolandDepartment of Robotics and Mechatronics, AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Krakow, PolandDepartment of Robotics and Mechatronics, AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Krakow, PolandInstitute of Fluid-Flow Machinery, Polish Academy of Sciences, Department of Turbine Dynamics and Diagnostics, Fiszera 14 Street, 80-231 Gdansk, PolandInstitute of Fluid-Flow Machinery, Polish Academy of Sciences, Department of Turbine Dynamics and Diagnostics, Fiszera 14 Street, 80-231 Gdansk, PolandInstitute of Fluid-Flow Machinery, Polish Academy of Sciences, Department of Turbine Dynamics and Diagnostics, Fiszera 14 Street, 80-231 Gdansk, PolandModern approaches dedicated to controlling the operation of gas foil bearings require advanced measurement techniques to comprehensively investigate the bearings’ thermal and thermomechanical properties. Their successful long-term maintenance with constant operational characteristics may be feasible only when the allowed thermal and mechanical regimes are rigorously kept. Hence, an adequate acquisition of experimental readings for the critical physical quantities should be conducted to track the actual condition of the bearing. The above-stated demand has motivated the authors of this present work to perform the thermomechanical characterization of the prototype installation of a gas foil bearing, applying a specialized sensing foil. This so-called top foil is a component of the structural part of the bearing’s supporting layer and composed of a superalloy, Inconel 625. The strain and temperature distributions were identified based on the readings from the strain gauges and integrated thermocouples mounted on the top foil. The measurements’ results were obtained for the experiments that represent the arbitrarily selected operational conditions of the tested bearing. Specifically, the considered measurement scenario relates to the operation at a nominal rotational speed, i.e., during the stable process, as well as to the run-up and run-out stages. The main objectives of the work are: (a) experimental proof for the described functionalities of the designed and manufactured specialized sensing foil that allow for the application of a novel approach to the bearing’s characterization, and (b) qualitative investigation of the relation between the mechanical and thermal properties of the tested bearing, using the measurements conducted with the newly proposed technical solution.https://www.mdpi.com/1996-1944/16/1/145gas foil bearingInconel alloysensing foilstrain fieldtemperature fieldthermomechanical coupling |
| spellingShingle | Adam Martowicz Jakub Roemer Paweł Zdziebko Grzegorz Żywica Paweł Bagiński Artur Andrearczyk A Novel Measurement Approach to Experimentally Determine the Thermomechanical Properties of a Gas Foil Bearing Using a Specialized Sensing Foil Made of Inconel Alloy Materials gas foil bearing Inconel alloy sensing foil strain field temperature field thermomechanical coupling |
| title | A Novel Measurement Approach to Experimentally Determine the Thermomechanical Properties of a Gas Foil Bearing Using a Specialized Sensing Foil Made of Inconel Alloy |
| title_full | A Novel Measurement Approach to Experimentally Determine the Thermomechanical Properties of a Gas Foil Bearing Using a Specialized Sensing Foil Made of Inconel Alloy |
| title_fullStr | A Novel Measurement Approach to Experimentally Determine the Thermomechanical Properties of a Gas Foil Bearing Using a Specialized Sensing Foil Made of Inconel Alloy |
| title_full_unstemmed | A Novel Measurement Approach to Experimentally Determine the Thermomechanical Properties of a Gas Foil Bearing Using a Specialized Sensing Foil Made of Inconel Alloy |
| title_short | A Novel Measurement Approach to Experimentally Determine the Thermomechanical Properties of a Gas Foil Bearing Using a Specialized Sensing Foil Made of Inconel Alloy |
| title_sort | novel measurement approach to experimentally determine the thermomechanical properties of a gas foil bearing using a specialized sensing foil made of inconel alloy |
| topic | gas foil bearing Inconel alloy sensing foil strain field temperature field thermomechanical coupling |
| url | https://www.mdpi.com/1996-1944/16/1/145 |
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