Open study

is now brainly

With Brainly you can:

  • Get homework help from millions of students and moderators
  • Learn how to solve problems with step-by-step explanations
  • Share your knowledge and earn points by helping other students
  • Learn anywhere, anytime with the Brainly app!

A community for students.

how to choose repeating variables in Buckingham Pi particular

See more answers at
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

Get this expert

answer on brainly


Get your free account and access expert answers to this and thousands of other questions

nondimensional groups for heat transfer in a pipe...effective parameters : \[h : Mt^{-3}T^{-1}\]\[u : Lt^{-1}\]\[k : MLt^{-3}T^{-1}\]\[c_p : L^2t^{-2}T^{-1}\]\[\mu : ML^{-1}T^{-1}\]\[\rho : ML^{-3}\]\[d : L\]
we have 7-4=3 nondimensional group and 4 repeating to choose them considering the dimensions i gave u
and sorry \[\mu : ML^{-1}t^{-1}\]

Not the answer you are looking for?

Search for more explanations.

Ask your own question

Other answers:

we have a rule that No repeating parameter should have dimensions that are a power of the dimensions of another repeating parameter. why ...and how apply it here?
I seem to have forgotten this from fluids (or maybe I never really learned it). You might find this helpful:
It says that the repeating variables that you choose cannot be manipulated into dimensionless groups. Define the above parameters for me please.
sorry i was out h: heat transfer coefficient u: flow mean velocity k: heat conductivity coefficient cp: specific heat capacity \(\mu\): viscousity \(\rho\) : density d: diameter of pipe
Oh. Those are the units after each parameter. Let's see. We need 3 recurring variables. Choose d, u, and \(\rho\) Those should work.
emm...we need 4 if im not wrong
I'm working out of that document I linked and it's ringing some bells. It looks like we have 7 variables\[f(h, u, k, c_p, \mu, \rho, d) \] Between these 7 variables, we have 4 different dimensions. Mass (M), time (t), temperature (T), and length (L). n = 7; m = 4 n-m gives 3 dimensionless groups. We then need to choose 3 variables (these three cannot be formed into dimensionless groups themselves. That is to say that we cannot manipulate these three independently to create a dimensionless group. For example, if we had length and diameter, we couldn't choose these are two of our three. ) Once we choose three variables, we rewrite the four dimensions in terms of the three variables we chose. Does this follow?
ı think 3 repeating variables occur; u, d, ρ,

Not the answer you are looking for?

Search for more explanations.

Ask your own question