Improving energy extraction from pulsating exhaust flow by active operation of a turbocharger turbine
A mixed flow turbine with pivoting nozzle vanes was designed and tested to actively adapt to the pulsating exhaust flow. The turbine was tested at equivalent speed of 48000 rpm with inlet flow pulsation of 40Hz and 60Hz, which corresponds to a 4-stroke diesel engine speed of 1600 rpm and 2400 rpm re...
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| Format: | Conference or Workshop Item |
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2007
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| _version_ | 1796856029242195968 |
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| author | Rajoo, Srithar Martinez-Botas, R. F. |
| author_facet | Rajoo, Srithar Martinez-Botas, R. F. |
| author_sort | Rajoo, Srithar |
| collection | ePrints |
| description | A mixed flow turbine with pivoting nozzle vanes was designed and tested to actively adapt to the pulsating exhaust flow. The turbine was tested at equivalent speed of 48000 rpm with inlet flow pulsation of 40Hz and 60Hz, which corresponds to a 4-stroke diesel engine speed of 1600 rpm and 2400 rpm respectively. The nozzle vane operating schedules for each pulse period are evaluated experimentally in two general modes; natural opening and closing of the vanes due to the pulsating flow and the forced sinusoidal oscillation of the vanes to match the incoming pulsating flow. The turbine energy extraction as well as efficiency is compared for the two modes to formulate its effectiveness. |
| first_indexed | 2024-03-05T18:37:22Z |
| format | Conference or Workshop Item |
| id | utm.eprints-24605 |
| institution | Universiti Teknologi Malaysia - ePrints |
| last_indexed | 2024-03-05T18:37:22Z |
| publishDate | 2007 |
| record_format | dspace |
| spelling | utm.eprints-246052017-09-17T07:18:19Z http://eprints.utm.my/24605/ Improving energy extraction from pulsating exhaust flow by active operation of a turbocharger turbine Rajoo, Srithar Martinez-Botas, R. F. TJ Mechanical engineering and machinery A mixed flow turbine with pivoting nozzle vanes was designed and tested to actively adapt to the pulsating exhaust flow. The turbine was tested at equivalent speed of 48000 rpm with inlet flow pulsation of 40Hz and 60Hz, which corresponds to a 4-stroke diesel engine speed of 1600 rpm and 2400 rpm respectively. The nozzle vane operating schedules for each pulse period are evaluated experimentally in two general modes; natural opening and closing of the vanes due to the pulsating flow and the forced sinusoidal oscillation of the vanes to match the incoming pulsating flow. The turbine energy extraction as well as efficiency is compared for the two modes to formulate its effectiveness. 2007 Conference or Workshop Item PeerReviewed Rajoo, Srithar and Martinez-Botas, R. F. (2007) Improving energy extraction from pulsating exhaust flow by active operation of a turbocharger turbine. In: SAE 2007, 2007, Michigan, USA. |
| spellingShingle | TJ Mechanical engineering and machinery Rajoo, Srithar Martinez-Botas, R. F. Improving energy extraction from pulsating exhaust flow by active operation of a turbocharger turbine |
| title | Improving energy extraction from pulsating exhaust flow by active operation of a turbocharger turbine |
| title_full | Improving energy extraction from pulsating exhaust flow by active operation of a turbocharger turbine |
| title_fullStr | Improving energy extraction from pulsating exhaust flow by active operation of a turbocharger turbine |
| title_full_unstemmed | Improving energy extraction from pulsating exhaust flow by active operation of a turbocharger turbine |
| title_short | Improving energy extraction from pulsating exhaust flow by active operation of a turbocharger turbine |
| title_sort | improving energy extraction from pulsating exhaust flow by active operation of a turbocharger turbine |
| topic | TJ Mechanical engineering and machinery |
| work_keys_str_mv | AT rajoosrithar improvingenergyextractionfrompulsatingexhaustflowbyactiveoperationofaturbochargerturbine AT martinezbotasrf improvingenergyextractionfrompulsatingexhaustflowbyactiveoperationofaturbochargerturbine |