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ISSN: 2321-9939 | ESTD Year: 2013

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Paper Title
geometrical optimization of diffuser under swirl flow inlet condition using CFD analysis
  Alok Ranjan Jha,  Ashish Muchrikar

In the present study a 3 dimensional diffuser model is simulated by using CFD technique. The objective of the present work is to analyse the effect of the rotating domain in the diffuser which makes the flow through diffuser complicated to analyse analytically. In the study three cone angle 100, 200 and 300 is considered and at each cone angle 5 to 15% length is changed in diffuser section to observe the effect of change in length in diffuser section. After analysing the pressure drop curve it is found that increasing the length of the diffuser section pressure at constant diffuser angle pressure drop increases but negligibly while at constant diffuser length increasing the diffuser angle results in considerable amount of pressure drop. The maximum change in pressure is found at 20 degree diffuser angle and 0.561 m length of diffuser section which is our optimized value in terms of pressure drop. After analysing the velocity data it is found out that both increasing the angle and length results in increased peripheral velocity while vice versa for axial velocity. Also at each cone angle the change in pressure and velocity is given for percentage change in diffuser section length

Keywords- computational fluid dynamics, Swirl motion, Diffuser section, Cone angle, Boundary conditions
Publication Details
Unique Identification Number - IJEDR2003033
Page Number(s) - 206-211
Pubished in - Volume 8 | Issue 3 | August 2020
DOI (Digital Object Identifier) -   
Publisher - IJEDR (ISSN - 2321-9939)
Cite this Article
  Alok Ranjan Jha,  Ashish Muchrikar,   "geometrical optimization of diffuser under swirl flow inlet condition using CFD analysis", International Journal of Engineering Development and Research (IJEDR), ISSN:2321-9939, Volume.8, Issue 3, pp.206-211, August 2020, Available at :http://www.ijedr.org/papers/IJEDR2003033.pdf
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