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# Velocity of heated fluid in a tube

## Velocity of heated fluid in a tube - Physics Forum

### Velocity of heated fluid in a tube - Physics Forum. Discuss and ask physics questions, kinematics and other physics problems.

#1
08-12-2006, 12:28 AM
 Tuva Guest Posts: n/a
Velocity of heated fluid in a tube

I am an EE in need of help with a topic I do not even know where to start
looking for answers; given a vertically oriented hollow tube filled with
fluid of known qantity and property and heat applied to the bottom of the
tube - the heated fluid will travel towards the top of the tube with a
certain speed. In its most basic form, how do I compute the speed of the
body fluid that rizes upwards? Any pointers to math/physics to study for
me?

Jib

#2
08-12-2006, 03:05 AM
 N:dlzc D:aol T:com \(dlzc\) Guest Posts: n/a
Velocity of heated fluid in a tube

Dear Tuva:

"Tuva" <[Only registered users see links. ]> wrote in message
news:tg9Dg.46\$[Only registered users see links. ].com...

sci.engr.mech

Like a percolator type coffee pot.

You'll need the density of the fluid as a function of
temperature.
You'll need the kinematic viscosity of the fluid as a function of
temperature.
You'll need to know temperatures, and/or heat rates.
You'll need to know the inside diameter of the tube, and its
length.

What you will get is empirical relations equating your fluid in
your "experiment" to similar fluid situations.

David A. Smith

#3
08-12-2006, 12:48 PM
 Tuva Guest Posts: n/a
Velocity of heated fluid in a tube

"N:dlzc D:aol T:com (dlzc)" <N: dlzc1 D:cox T:[Only registered users see links. ]> wrote in
Thanks David. I'll post in the other news group as well. Any books/web sites
you can recommend?

#4
08-12-2006, 06:49 PM
 N:dlzc D:aol T:com \(dlzc\) Guest Posts: n/a
Velocity of heated fluid in a tube

Dear Tuva:

"Tuva" <[Only registered users see links. ]> wrote in message
news:B6kDg.52\$[Only registered users see links. ].com...

Basic Heat Transfer. Fluid Mechanics. Partial Differential
Equations.

You can probably adapt something you will find using the

vertical-tube viscosity "heat transfer " site:.edu

David A. Smith

 Tags fluid , heated , tube , velocity

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