The required aerodynamic simulation fidelity to usefully support a gas turbine digital twin for manufacturing
With the imminent digitalisation of the manufacturing processes of gas turbine components, a large volume of geometric data of as-manufactured parts is being generated. This geometric data can be used in aerodynamic simulations to predict component performance. Both the cost and accuracy of these si...
| Автори: | , , |
|---|---|
| Формат: | Journal article |
| Мова: | English |
| Опубліковано: |
Global Power and Propulsion Society
2021
|
| _version_ | 1826310311812005888 |
|---|---|
| author | Lee, WY Dawes, WN Coull, JD |
| author_facet | Lee, WY Dawes, WN Coull, JD |
| author_sort | Lee, WY |
| collection | OXFORD |
| description | With the imminent digitalisation of the manufacturing processes of gas turbine components, a large volume of geometric data of as-manufactured parts is being generated. This geometric data can be used in aerodynamic simulations to predict component performance. Both the cost and accuracy of these simulations increase with their fidelity. To efficiently exploit Digital Twin technology, one must therefore understand how realistic the aerodynamic simulations need to be to give useful performance predictions. This paper considers this issue for a sample of scrapped high-pressure turbine rotor blades from a civil aero engine. The measured geometric data was used to build aerodynamic models of varying degrees of realism, ranging from quasi-three-dimensional blade sections for an Euler solver to three-dimensional, multi-passage and multi-stage Reynolds-Averaged-Navier-Stokes models. The flow near the tip of these shrouded blades is sensitive to manufacturing variability and can switch between two quasi-stable horseshoe vortex modes. In general, capacity and exit flow angle can be adequately predicted by three-dimensional, single-passage calcula-tions: averaging single-passage calculations gives a good prediction of the multi-passage behaviour. For efficiency and stage loading, the approach of averaging single-passage calculations is less accurate as the multi-passage behaviour requires an accurate prediction of the horseshoe vortex modes. |
| first_indexed | 2024-03-07T07:48:37Z |
| format | Journal article |
| id | oxford-uuid:8526d34d-b57d-4ba5-ad55-b2da50dbb54a |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-07T07:48:37Z |
| publishDate | 2021 |
| publisher | Global Power and Propulsion Society |
| record_format | dspace |
| spelling | oxford-uuid:8526d34d-b57d-4ba5-ad55-b2da50dbb54a2023-07-03T15:04:57ZThe required aerodynamic simulation fidelity to usefully support a gas turbine digital twin for manufacturingJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:8526d34d-b57d-4ba5-ad55-b2da50dbb54aEnglishSymplectic ElementsGlobal Power and Propulsion Society2021Lee, WYDawes, WNCoull, JDWith the imminent digitalisation of the manufacturing processes of gas turbine components, a large volume of geometric data of as-manufactured parts is being generated. This geometric data can be used in aerodynamic simulations to predict component performance. Both the cost and accuracy of these simulations increase with their fidelity. To efficiently exploit Digital Twin technology, one must therefore understand how realistic the aerodynamic simulations need to be to give useful performance predictions. This paper considers this issue for a sample of scrapped high-pressure turbine rotor blades from a civil aero engine. The measured geometric data was used to build aerodynamic models of varying degrees of realism, ranging from quasi-three-dimensional blade sections for an Euler solver to three-dimensional, multi-passage and multi-stage Reynolds-Averaged-Navier-Stokes models. The flow near the tip of these shrouded blades is sensitive to manufacturing variability and can switch between two quasi-stable horseshoe vortex modes. In general, capacity and exit flow angle can be adequately predicted by three-dimensional, single-passage calcula-tions: averaging single-passage calculations gives a good prediction of the multi-passage behaviour. For efficiency and stage loading, the approach of averaging single-passage calculations is less accurate as the multi-passage behaviour requires an accurate prediction of the horseshoe vortex modes. |
| spellingShingle | Lee, WY Dawes, WN Coull, JD The required aerodynamic simulation fidelity to usefully support a gas turbine digital twin for manufacturing |
| title | The required aerodynamic simulation fidelity to usefully support a gas turbine digital twin for manufacturing |
| title_full | The required aerodynamic simulation fidelity to usefully support a gas turbine digital twin for manufacturing |
| title_fullStr | The required aerodynamic simulation fidelity to usefully support a gas turbine digital twin for manufacturing |
| title_full_unstemmed | The required aerodynamic simulation fidelity to usefully support a gas turbine digital twin for manufacturing |
| title_short | The required aerodynamic simulation fidelity to usefully support a gas turbine digital twin for manufacturing |
| title_sort | required aerodynamic simulation fidelity to usefully support a gas turbine digital twin for manufacturing |
| work_keys_str_mv | AT leewy therequiredaerodynamicsimulationfidelitytousefullysupportagasturbinedigitaltwinformanufacturing AT daweswn therequiredaerodynamicsimulationfidelitytousefullysupportagasturbinedigitaltwinformanufacturing AT coulljd therequiredaerodynamicsimulationfidelitytousefullysupportagasturbinedigitaltwinformanufacturing AT leewy requiredaerodynamicsimulationfidelitytousefullysupportagasturbinedigitaltwinformanufacturing AT daweswn requiredaerodynamicsimulationfidelitytousefullysupportagasturbinedigitaltwinformanufacturing AT coulljd requiredaerodynamicsimulationfidelitytousefullysupportagasturbinedigitaltwinformanufacturing |