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Old   October 1, 2009, 15:15
Default Seeking someone to model micro waterjet nozzle
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Dan Grupp
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I am working for a start-up in Silicon Valley.

We have an application with waterjets thru a 200 micron nozzle. The chamber on the water side makes a big difference to jet quality, i.e, whether a columnar jet forms at all.

I need someone to take our solidworks drawings and model the jet.

Does anyone know of someone or a company qualified to do this?

Much Thanks,
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Old   October 1, 2009, 15:51
Default Water jet
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I/we can help you with the waterjet simulation with the available resources in house (OpenFOAM, custom codes, Fluent etc.). We are qualified and experienced professional in computational fluid dynamics. Our experience ranges from Aerospace, automobiles, & chemical engineering to micro fluidics.

We would like to know more about the problem at hand such as:

1. Is it a waterjet in water or waterjet jet in air.
2. Is it a high speed jet
3. The extent of domain
4. Operating conditions, etc.

Please let us ( know.
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Old   October 5, 2009, 08:35
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Paul Garlick
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Hi Dan,

I can offer assistance with this project. I am a Mechanical Engineer with twenty years experience in nozzle design for atomization and spray applications.

The areas in which I can help include:

i) 2D/3D grid generation from 2D drawings
ii) characterisation of flow and model set-up
iii) model solution using OpenFOAM
iv) analysis of results
v) recommendations for improved designs

Please contact me directly ( to describe the project in more detail.
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