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Mesh Density for Turbulent Flows
Posted Wed September 15, 2004 @08:12AM
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Help Desk Krishna writes "Hello all,

I am working on modeling of a Cartesian geometry (pipes) and I have a question about setting up the mesh for turbulent flows. After estimating the first node point away from the wall, how does one determine the number of cells in axial and radial direction as it greatly affects the wall y+. Any help on this regard will be deeply appreciated.

Thanks for your time"

( Post Comment )


John Zink Company Selects ACUITIV to Provide CFD Visualization
Posted Tue September 14, 2004 @04:07PM
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News ACUITIV™ Software, a leading provider of next-generation Computational Fluid Dynamics (CFD) visualization software, has announced that John Zink Company LLC, a Koch Chemical Technology Group LLC company, has selected ACUITIV’s computational fluid dynamics (CFD) technology to enhance its visualization capabilities.

John Zink Company’s selection of ACUITIV’s CFD visualization software was based on its superior post-processing capabilities and ease of use. It extends the use of ACUITIV’s visualization product into state-of-the-art environmental technologies such as low-NOx burners, flares and thermal oxidizers offered by John Zink to the refining, petrochemical and power industries.

( Read Full Article )


Modeling of Engine Combustion Chamber
Posted Tue September 14, 2004 @04:04PM
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Help Desk shahril writes "Hello, I'm a master student and my research project is modeling of combustion process inside engine combustion chamber. Anyone have an idea how should I model the combustion process?"

( Post Comment )


Events: Fluent Presents Naval/Ocean Engineering Webinar
Posted Tue September 14, 2004 @04:01PM
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ANSYS FLUENT Fluent Inc., the worldwide leader in computational fluid dynamics (CFD) software and services, presents a Naval/Ocean Engineering Webinar on Thursday, September 23, 2004, at 2 p.m.

In this free webinar you will find out how flow modeling can provide full-scale analysis results or complement other fluid dynamics analysis methods and tools to meet the demanding needs of marine industry applications such as:

  • ship hull hydrodynamics
  • marine propellers
  • fully non-linear free-surface waves
  • stern wakes
  • flows in and around equipment on ships and ocean structures, and more.

The benefits of flow modeling technology will be described, along with case study examples and live demonstrations of the tools at work.

( Post Comment | Events )


Application: Simulation Helps Improve Oil Refinery Operations
Posted Mon September 13, 2004 @08:31AM
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Application By Dr Peter Witt,
Research Scientist,
CSIRO Minerals

During oil processing, heavier products are broken down by high temperatures into lighter products in cokers. This “cracking” process strips off lighter liquid hydrocarbon products such as naphtha and gas oils, leaving heavier coke behind. The challenge that CSIRO Minerals has been helping Syncrude resolve is how to best reduce coke deposits that build-up in their fluid coker stripper while maintaining or improving hydrocarbon stripping.

CSIRO is Australia's Commonwealth Scientific and Industrial Research Organisation, one of the world's largest and most diverse scientific global research organizations. Syncrude Canada Ltd. is the world's largest producer of crude oil from oil sands and the largest single source producer in Canada.

CSIRO Minerals is a long time user of CFX and in collaboration with the Clean Power from Lignite CRC developed the fluidized bed model in CFX-4. CFX, because of its robust multiphase capability and its ability to be extended into new application areas, is used extensively by CSIRO Minerals in undertaking complex CFD modeling of multiphase, combustion and reacting processes in the mineral processing, chemical and petrochemical industries.

( Read Full Article | Application )


New Software: New CFD Pre- and Post-Processing Options Available for Mac
Posted Fri September 10, 2004 @01:12PM
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News In a move bringing together the renowned user experience of Apple Macintosh with the industry’s leading grid generator and postprocessor, Pointwise, Inc. and Intelligent Light are pleased to jointly announce the upcoming availability of their respective CFD (computational fluid dynamics) pre- and postprocessing software, Gridgen and FIELDVIEW, for Mac OS X. The ports are strongly motivated by their common customers at NASA who have begun using Macs for CFD meshing, postprocessing, and visualization. Mac OS X and Xserve provide a powerful and productive environment to handle the compute-intensive tasks and support workgroup data needs, while the Power Mac G5 is a desktop machine people enjoy working with. This is a powerful combination Gridgen and FIELDVIEW users alike will appreciate.

( Read Full Article | New Software )


 
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