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Time-fractional analysis of flow patterns during refrigerant condensation
Dissertation (MEng (Mechanical Engineering))--University of Pretoria, 2008.
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| Format: | Thesis |
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University of Pretoria
2013
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| _version_ | 1867613443426615296 |
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| access_status_str | Open Access |
| author2 | Liebenberg, Leon |
| author_browse | Liebenberg, Leon |
| author_facet | Liebenberg, Leon |
| collection | Thesis |
| dc_rights_str_mv | © University of Pretor |
| description | Dissertation (MEng (Mechanical Engineering))--University of Pretoria, 2008. |
| format | Thesis |
| id | oai:repository.up.ac.za:2263/23246 |
| institution | University of Pretoria (South Africa) |
| last_indexed | 2026-06-10T12:36:13.892Z |
| license_str | Other — see source repository |
| provenance_str_mv | Harvested via OAI-PMH from UPSpace — University of Pretoria Institutional Repository |
| publishDate | 2013 |
| publishDateRange | 2013 |
| publishDateSort | 2013 |
| publisher | University of Pretoria |
| publisherStr | University of Pretoria |
| record_format | dspace |
| source_str | UPSpace — University of Pretoria Institutional Repository |
| spelling | oai:repository.up.ac.za:2263/23246 Time-fractional analysis of flow patterns during refrigerant condensation Liebenberg, Leon Meyer, Josua P. eugenevr@tuks.co.za Van Rooyen, Eugene Flow pattern Smooth tube Condensation Time fraction UCTD Dissertation (MEng (Mechanical Engineering))--University of Pretoria, 2008. The conceptual design and basic layout of a modular refrigerant test system capable of flow condensation and evaporation were performed. The purpose of this study was the investigation of flow patterns during refrigerant condensation in intermittent flow in order to improve the prediction models. An objective flow pattern descriptor was developed to identify and describe transitions in flow regimes. The methods developed and utilised in this study were used to develop a time-fractional map of the intermittent flow regime. The time-fractions are statistical averages of gravity dominated and shear dominated flows occurring in intermittent flow. Mechanical and Aeronautical Engineering MEng Unrestricted 2013-09-06T14:49:11Z 2008-05-19 2013-09-06T14:49:11Z 2007-09-05 2008-05-19 2008-01-15 Dissertation Van Rooyen, E 2008, Time-fractional analysis of flow patterns during refrigerant condensation, MEng Dissertation, University of Pretoria, Pretoria, viewed yymmdd <http://hdl.handle.net/2263/23246> http://hdl.handle.net/2263/23246 http://upetd.up.ac.za/thesis/available/etd-01152008-121542/ © University of Pretor application/pdf University of Pretoria |
| spellingShingle | Flow pattern Smooth tube Condensation Time fraction UCTD Time-fractional analysis of flow patterns during refrigerant condensation |
| title | Time-fractional analysis of flow patterns during refrigerant condensation |
| title_full | Time-fractional analysis of flow patterns during refrigerant condensation |
| title_fullStr | Time-fractional analysis of flow patterns during refrigerant condensation |
| title_full_unstemmed | Time-fractional analysis of flow patterns during refrigerant condensation |
| title_short | Time-fractional analysis of flow patterns during refrigerant condensation |
| title_sort | time fractional analysis of flow patterns during refrigerant condensation |
| topic | Flow pattern Smooth tube Condensation Time fraction UCTD |
| url | http://hdl.handle.net/2263/23246 http://upetd.up.ac.za/thesis/available/etd-01152008-121542/ |