Reynolds averaged and large Eddy computations of flow and heat transfer under round jet impingement
The fluid dynamics and heat transfer characteristics of a turbulent round jet are modelled numerically using Reynolds- Averaged Navier-Stokes (RANS) and Large Eddy Simulation (LES). Meshes with varying degrees of coarseness, with both radial and axial refinements are investigated. Discretization is...
| Main Authors: | , , , , |
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| Format: | Conference Paper |
| Published: |
American Society of Mechanical Engineers (ASME)
2014
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| Online Access: | http://purl.org/au-research/grants/arc/DP130103271 http://hdl.handle.net/20.500.11937/12559 |
| _version_ | 1848748108320604160 |
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| author | Natarajan, T. Jewkes, J. Narayanaswamy, Ramesh Chung, Y. Lucey, A. |
| author_facet | Natarajan, T. Jewkes, J. Narayanaswamy, Ramesh Chung, Y. Lucey, A. |
| author_sort | Natarajan, T. |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | The fluid dynamics and heat transfer characteristics of a turbulent round jet are modelled numerically using Reynolds- Averaged Navier-Stokes (RANS) and Large Eddy Simulation (LES). Meshes with varying degrees of coarseness, with both radial and axial refinements are investigated. Discretization is carried out using the finite volume method. The jet configurations are chosen to enable validation against well-established experimental jet-impingement heat-transfer studies, particularly that of Cooper et al. [1]. The Reynolds number studied is 23000. The height of discharge from the impingement wall is fixed at twice the jet diameter. The work critically examines the effect of Reynolds number, standoff distance and helps to ascertain the relative merits of various turbulence models, by comparing turbulent statistics and the Nusselt number distributions. The present work is carried out as a preliminary validation, in a wider study intended to determine the thermofluidic behaviour of jets impinging upon an oscillating surface. |
| first_indexed | 2025-11-14T06:59:48Z |
| format | Conference Paper |
| id | curtin-20.500.11937-12559 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T06:59:48Z |
| publishDate | 2014 |
| publisher | American Society of Mechanical Engineers (ASME) |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-125592022-10-12T02:18:37Z Reynolds averaged and large Eddy computations of flow and heat transfer under round jet impingement Natarajan, T. Jewkes, J. Narayanaswamy, Ramesh Chung, Y. Lucey, A. The fluid dynamics and heat transfer characteristics of a turbulent round jet are modelled numerically using Reynolds- Averaged Navier-Stokes (RANS) and Large Eddy Simulation (LES). Meshes with varying degrees of coarseness, with both radial and axial refinements are investigated. Discretization is carried out using the finite volume method. The jet configurations are chosen to enable validation against well-established experimental jet-impingement heat-transfer studies, particularly that of Cooper et al. [1]. The Reynolds number studied is 23000. The height of discharge from the impingement wall is fixed at twice the jet diameter. The work critically examines the effect of Reynolds number, standoff distance and helps to ascertain the relative merits of various turbulence models, by comparing turbulent statistics and the Nusselt number distributions. The present work is carried out as a preliminary validation, in a wider study intended to determine the thermofluidic behaviour of jets impinging upon an oscillating surface. 2014 Conference Paper http://hdl.handle.net/20.500.11937/12559 10.1115/FEDSM2014-21435 http://purl.org/au-research/grants/arc/DP130103271 American Society of Mechanical Engineers (ASME) restricted |
| spellingShingle | Natarajan, T. Jewkes, J. Narayanaswamy, Ramesh Chung, Y. Lucey, A. Reynolds averaged and large Eddy computations of flow and heat transfer under round jet impingement |
| title | Reynolds averaged and large Eddy computations of flow and heat transfer under round jet impingement |
| title_full | Reynolds averaged and large Eddy computations of flow and heat transfer under round jet impingement |
| title_fullStr | Reynolds averaged and large Eddy computations of flow and heat transfer under round jet impingement |
| title_full_unstemmed | Reynolds averaged and large Eddy computations of flow and heat transfer under round jet impingement |
| title_short | Reynolds averaged and large Eddy computations of flow and heat transfer under round jet impingement |
| title_sort | reynolds averaged and large eddy computations of flow and heat transfer under round jet impingement |
| url | http://purl.org/au-research/grants/arc/DP130103271 http://hdl.handle.net/20.500.11937/12559 |