UNSTEADY FLOW THROUGH THE GAP OF SAVONIUS TURBINE ROTOR
The paper presents a numerical analysis of unsteady flow through the gap of a Savonius turbine rotor, performed for varying integral turbine operating parameters calculated for the case under study as well as obtained from experiments described in the literature. Changes in the unsteady flow patter...
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Gdańsk University of Technology
2011-01-01
|
| Series: | TASK Quarterly |
| Subjects: | |
| Online Access: | https://journal.mostwiedzy.pl/TASKQuarterly/article/view/1975 |
| _version_ | 1811306815575556096 |
|---|---|
| author | JERZY ŚWIRYDCZUK PIOTR DOERFFER MARIUSZ SZYMANIAK |
| author_facet | JERZY ŚWIRYDCZUK PIOTR DOERFFER MARIUSZ SZYMANIAK |
| author_sort | JERZY ŚWIRYDCZUK |
| collection | DOAJ |
| description |
The paper presents a numerical analysis of unsteady flow through the gap of a Savonius turbine rotor, performed for varying integral turbine operating parameters calculated for the case under study as well as obtained from experiments described in the literature. Changes in the unsteady flow pattern, including the development and interaction of numerous vortex structures in the vicinity of the gap, and their relevance to the varying integral parameters are discussed. We conclude that the structure responsible for the intensity of the flow through the gap is a vortex which forms in the vicinity of the gap at certain phases of rotor revolution, and that a possible way to improve the efficiency of operation of a Savonius turbine is to control the intensity of this vortex by modifying the shape of the blade edges in the vicinity of the gap.
|
| first_indexed | 2024-04-13T08:52:32Z |
| format | Article |
| id | doaj.art-99a3e1bbbe9646e0be8f427781277f2b |
| institution | Directory Open Access Journal |
| issn | 1428-6394 |
| language | English |
| last_indexed | 2024-04-13T08:52:32Z |
| publishDate | 2011-01-01 |
| publisher | Gdańsk University of Technology |
| record_format | Article |
| series | TASK Quarterly |
| spelling | doaj.art-99a3e1bbbe9646e0be8f427781277f2b2022-12-22T02:53:27ZengGdańsk University of TechnologyTASK Quarterly1428-63942011-01-01151UNSTEADY FLOW THROUGH THE GAP OF SAVONIUS TURBINE ROTORJERZY ŚWIRYDCZUK0PIOTR DOERFFER1MARIUSZ SZYMANIAK2Polish Academy of Sciences, Institute of Fluid-Flow MachineryPolish Academy of Sciences, Institute of Fluid-Flow MachineryPolish Academy of Sciences, Institute of Fluid-Flow Machinery The paper presents a numerical analysis of unsteady flow through the gap of a Savonius turbine rotor, performed for varying integral turbine operating parameters calculated for the case under study as well as obtained from experiments described in the literature. Changes in the unsteady flow pattern, including the development and interaction of numerous vortex structures in the vicinity of the gap, and their relevance to the varying integral parameters are discussed. We conclude that the structure responsible for the intensity of the flow through the gap is a vortex which forms in the vicinity of the gap at certain phases of rotor revolution, and that a possible way to improve the efficiency of operation of a Savonius turbine is to control the intensity of this vortex by modifying the shape of the blade edges in the vicinity of the gap. https://journal.mostwiedzy.pl/TASKQuarterly/article/view/1975Savonius turbinerotor gapvortices |
| spellingShingle | JERZY ŚWIRYDCZUK PIOTR DOERFFER MARIUSZ SZYMANIAK UNSTEADY FLOW THROUGH THE GAP OF SAVONIUS TURBINE ROTOR TASK Quarterly Savonius turbine rotor gap vortices |
| title | UNSTEADY FLOW THROUGH THE GAP OF SAVONIUS TURBINE ROTOR |
| title_full | UNSTEADY FLOW THROUGH THE GAP OF SAVONIUS TURBINE ROTOR |
| title_fullStr | UNSTEADY FLOW THROUGH THE GAP OF SAVONIUS TURBINE ROTOR |
| title_full_unstemmed | UNSTEADY FLOW THROUGH THE GAP OF SAVONIUS TURBINE ROTOR |
| title_short | UNSTEADY FLOW THROUGH THE GAP OF SAVONIUS TURBINE ROTOR |
| title_sort | unsteady flow through the gap of savonius turbine rotor |
| topic | Savonius turbine rotor gap vortices |
| url | https://journal.mostwiedzy.pl/TASKQuarterly/article/view/1975 |
| work_keys_str_mv | AT jerzyswirydczuk unsteadyflowthroughthegapofsavoniusturbinerotor AT piotrdoerffer unsteadyflowthroughthegapofsavoniusturbinerotor AT mariuszszymaniak unsteadyflowthroughthegapofsavoniusturbinerotor |