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Image Caption
Relative (in the impeller) and absolute (in the diffuser) velocity vectors in the fan.
Image courtesy of Technology & Innovation Centre, Larsen & Toubro Limited, Baroda, India.
  
From:
Application: CFD Used to Troubleshoot Centrifugal Fan Coal Dust Accumulation
Posted Mon January 27, 2003 @02:36PM
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Application From the Technology & Innovation Centre,
Larsen & Toubro Limited, Baroda, India

Larsen & Toubro Limited (L&T) is one of the leading engineering, procurement and construction (EPC) players in the refinery and power sectors in Asia. The Technology and Innovation Centre of L&T at Baroda has been using CFX TASCflow extensively for flow and combustion applications to evaluate the reliability of in-house-designed equipment as well as critical out-sourced equipment.

The software has played an important role in understanding, designing and troubleshooting of equipment. Recently, CFX-TASCflow was used to troubleshoot a centrifugal fan used in a coal-dust environment. The fan was accumulating dust unevenly on the impeller vanes, causing severe vibration problems and leading to frequent shutdowns. On visual inspection, it was found that dust was collecting near the tip of the fan vanes, which might be due to the sticky nature of the dust and the high curvature of the vanes near the tip.

( Read Full Article )


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