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alannoland
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Join Date: Apr 2009
Location: Québec
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Time to Reach Steady State in a Tubular System

02/08/2013 2:03 PM

Hi,

Is anyone can give me a simple way (I know it can be really complexe) to theoricaly approximate the time to reach the steady state on a tubular system?

regards

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SolarEagle
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Join Date: Mar 2007
Location: by the beach in Florida
Posts: 33392
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#1

Re: Time to reach steady state in a tubular system

02/08/2013 2:44 PM

Could you be a little more specific? ie; steady state of what in what type of tubular system

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alannoland
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Join Date: Apr 2009
Location: Québec
Posts: 10
#2
In reply to #1

Re: Time to reach steady state in a tubular system

02/08/2013 3:03 PM

Hard to be.

Let say that I simplyfied it as such:

How much time a compound A (liquid) will completely displace a compound B (liquid having a different density) in a tubular reactor (length X), knowing that the flow is constant and that it do not follow the plug flow reactor approximation?

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SolarEagle
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#3
In reply to #2

Re: Time to reach steady state in a tubular system

02/08/2013 3:36 PM

These might help...

http://en.wikipedia.org/wiki/Dilution_(equation)

http://www.math.washington.edu/~conroy/m125-general/mixingTankExamples/mixingTankExamples01.pdf

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suzidemello
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Join Date: Feb 2013
Posts: 4
#4
In reply to #3

Re: Time to reach steady state in a tubular system

02/13/2013 8:05 AM

Very nice job.
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dhayanandhan
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Engineering Fields - Mechanical Engineering - New Member

Join Date: May 2008
Location: CHENNAI, TAMIL NADU, INDIA.
Posts: 1851
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#5

Re: Time to Reach Steady State in a Tubular System

12/08/2013 2:42 AM

Dear Mr.alannoland,

You should specify the actual working parameters. Is it for Liquid Flow, or Air Flow or Heat Transfer or Mass Transfer.? There again, lot of variables involved, like the Density, Specific Heat, Viscosity etc.,etc.

Pl. post the information and then CR4 Members will share their knowledge/experience.

DHAYANANDHAN.S
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alannoland (1); dhayanandhan (1); SolarEagle (2); suzidemello (1)

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