RE: Agitator Design Software - Yes I Know its Off Topic

From: <Steve>
Date: Thu Aug 15 2002 - 20:10:00 EDT

Hi Bruce
I agree with your sentiments. Most of my agitator applications are where the processes are extremely variable, with little known, or likely to be known about material properties. Hence I am familiar with the sledgehammer approach. To date outcomes have been good.

-----Original Message-----

From: Bruce Bullough [mailto:bbullough@sebesta.com] Sent: Friday, August 02, 2002 2:06 AM
To: PipingDesign@yahoogroups.com
Subject: RE: [PipingDesign] Agitator Design Software - Yes I Know its Off Topic

In my experience an agitator is never simple unless you've done the same system before and successfully. Ocassionally I get paid fairly well for doing a mixing study or model. Clients almost never know enough about what they need or about their system to do more than a brute force, best guess for design. Any decent computer model requires a fair amount of input to get anything of value out.

This demo (see your URL) should be able to give you about the same info you'd get by running thru the basic calcs manually. But being "free" it's not as easy to load properly as one would like.

                                         ... Bruce D. Bullough ...
                                         Sebesta Blomberg & Associates
                                         2381 Rosegate
                                         Roseville, MN  55113
                                         651-634-7344 (office)
                                         651-634-7400 (FAX)
                                         www.sebesta.com

-----Original Message-----

From: smckennz [mailto:Mechproj@xtra.co.nz] Sent: Thursday, August 01, 2002 5:16 AM
To: PipingDesign@yahoogroups.com
Subject: [PipingDesign] Agitator Design Software - Yes I Know its Off Topic

Me again

well its not piping but it is piping related. Every time I think I have finished with them, someone wants a bloody agitator designed.
I need some sizing software to estimate powers, speeds, dimensions as the books I use take too long for something which should take an hour at most. The mechanical design takes a little longer. Has anyone found a piece of software to do this? I am talking basic agitators; turbines, paddles, anchors not those marvels made by Lightnin and co.
I think Google may have found something at:

http://custom.lab.unb.br/pub/asme/FLUID/

It is called mixing11 but I cannot get it to run. could someone who is computer literate have a look and tell me who to pay to get it to go? I run Windows 2000, whatever that means.

There appears to be a bit of interesting freeware at that site, so you may want to have a look even if you dont care for agitators because there appears to be some good fluid stuff there, if filenames are anything to go by.

Thanks in anticipation

Steve McKenzie

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