Three-dimensional unsteady gas turbine flow measurement
<p>The high pressure turbine stage can be considered the most important component for the efficiency and longevity of a modern gas turbine. The flow field within this stage is highly complex and is both unsteady and three-dimensional. Understanding this flow...
| Những tác giả chính: | , |
|---|---|
| Định dạng: | Luận văn |
| Ngôn ngữ: | English |
| Được phát hành: |
1997
|
| Những chủ đề: |
| _version_ | 1826316244195737600 |
|---|---|
| author | Batt, J Batt, Julian J. M. |
| author_facet | Batt, J Batt, Julian J. M. |
| author_sort | Batt, J |
| collection | OXFORD |
| description | <p>The high pressure turbine stage can be considered the most important component for the efficiency and longevity of a modern gas turbine. The flow field within this stage is highly complex and is both unsteady and three-dimensional. Understanding this flow field is essential if improvements are to be made to future engine designs.</p> <p>Increasingly designers are placing more emphasis on the use of Computational Fluid Dynamics (CFD) rather than experimental results. CFD methods can be more flexible and cost effective. However before these predictions can be used they must be validated against experimental data at engine conditions.</p> <p>The hostile environment and complexity of flows within a gas turbine engine mean that collection of experimental data is extremely challenging. This thesis describes the development of an instrumentation technique for unsteady gas turbine flow measurement capable of resolving unsteady three-dimensional flow. The technique is based on an aerodynamic probe constructed with miniature semiconductor pressure transducers manufactured by Kulite Semiconductor Inc.</p> <p>Measurements recorded using this instrumentation technique from the Oxford Rotor experiment are presented to illustrate its use, and these in turn are compared with a CFD prediction of the rotor flow-field.</p> <p>This work was funded by the Engineering and Physical Sciences Research Council and Kulite Semiconductor Inc. The Oxford Rotor project is jointly funded by the Engineering and Physical Sciences Research Council (EPSRC), and Rolls-Royce Plc.</p> |
| first_indexed | 2024-03-06T20:37:06Z |
| format | Thesis |
| id | oxford-uuid:3302ca8f-0618-4440-9e23-3bf99bc3705d |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-12-09T03:41:22Z |
| publishDate | 1997 |
| record_format | dspace |
| spelling | oxford-uuid:3302ca8f-0618-4440-9e23-3bf99bc3705d2024-12-07T12:25:06ZThree-dimensional unsteady gas turbine flow measurementThesishttp://purl.org/coar/resource_type/c_db06uuid:3302ca8f-0618-4440-9e23-3bf99bc3705dGas flowGas-turbinesMeasurementEnglishPolonsky Theses Digitisation Project1997Batt, JBatt, Julian J. M.<p>The high pressure turbine stage can be considered the most important component for the efficiency and longevity of a modern gas turbine. The flow field within this stage is highly complex and is both unsteady and three-dimensional. Understanding this flow field is essential if improvements are to be made to future engine designs.</p> <p>Increasingly designers are placing more emphasis on the use of Computational Fluid Dynamics (CFD) rather than experimental results. CFD methods can be more flexible and cost effective. However before these predictions can be used they must be validated against experimental data at engine conditions.</p> <p>The hostile environment and complexity of flows within a gas turbine engine mean that collection of experimental data is extremely challenging. This thesis describes the development of an instrumentation technique for unsteady gas turbine flow measurement capable of resolving unsteady three-dimensional flow. The technique is based on an aerodynamic probe constructed with miniature semiconductor pressure transducers manufactured by Kulite Semiconductor Inc.</p> <p>Measurements recorded using this instrumentation technique from the Oxford Rotor experiment are presented to illustrate its use, and these in turn are compared with a CFD prediction of the rotor flow-field.</p> <p>This work was funded by the Engineering and Physical Sciences Research Council and Kulite Semiconductor Inc. The Oxford Rotor project is jointly funded by the Engineering and Physical Sciences Research Council (EPSRC), and Rolls-Royce Plc.</p> |
| spellingShingle | Gas flow Gas-turbines Measurement Batt, J Batt, Julian J. M. Three-dimensional unsteady gas turbine flow measurement |
| title | Three-dimensional unsteady gas turbine flow measurement |
| title_full | Three-dimensional unsteady gas turbine flow measurement |
| title_fullStr | Three-dimensional unsteady gas turbine flow measurement |
| title_full_unstemmed | Three-dimensional unsteady gas turbine flow measurement |
| title_short | Three-dimensional unsteady gas turbine flow measurement |
| title_sort | three dimensional unsteady gas turbine flow measurement |
| topic | Gas flow Gas-turbines Measurement |
| work_keys_str_mv | AT battj threedimensionalunsteadygasturbineflowmeasurement AT battjulianjm threedimensionalunsteadygasturbineflowmeasurement |