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ISSN: 2321-9939 | ESTD Year: 2013

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Paper Title
Identification And Improvement Of Expanded Flow At Various Step Heights
  Katturoju Ashokachary,  Rajarao.V,  K.Narendrareddy

When the fluid passes through the constant area geometry, it results in the reduction of pressure because of presence of friction between the material and wall. But if the geometry increases suddenly, it undergo loss of pressure and it produces strong re-circulating flow. This re-circulated flow is not at all desirable for sudden expansion flows. Present work aims at the re-circulated region and uses the control technique namely; suction to break the undesirable re-circulated zone. In the present study, flow over sudden expansion geometries with and without suction scenario is studied for different Lmax/Lmin models of 3, 4 and 5. For Lmax/Lmin = 5, it is found that the re-circulation and loss zones are more. Further, the configuration of Lmax/Lmin = 5 is subjected to suction. With suction, flow scenario is completely changed and attachment point is observed at the base of the model itself. Results, thus identify the improved flow structure that can be useful to different applications.

Keywords- Sudden expansion geometries, flow structure, flow pattern, suction, re-circulated zone and vortex.
Publication Details
Unique Identification Number - IJEDR1804035
Page Number(s) - 184-189
Pubished in - Volume 6 | Issue 4 | November 2018
DOI (Digital Object Identifier) -   
Publisher - IJEDR (ISSN - 2321-9939)
Cite this Article
  Katturoju Ashokachary,  Rajarao.V,  K.Narendrareddy,   "Identification And Improvement Of Expanded Flow At Various Step Heights", International Journal of Engineering Development and Research (IJEDR), ISSN:2321-9939, Volume.6, Issue 4, pp.184-189, November 2018, Available at :http://www.ijedr.org/papers/IJEDR1804035.pdf
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