Sandro Longo

5 Questions 9 Answers 0 Followers

Questions related from Sandro Longo

Expansion of a function of two variables x and y in terms of x/y ?

Dear Colleagues, I would like to expand the function (1-x)/(1-y) about (x=0; y=0) with x/y argument of the expansion. x and y are definite positive. Any suggestion? Thanks Sandro

21 September 2021 6,386 4 View

Series solution for viscous power-law fluid velocity in rectangular cross-section?

Dear Colleagues, I am looking for a series solution of the velocity in a rectangular cross-section in the presence of a power-law fluid in laminar regime. I found the expression of the average...

21 January 2020 6,559 3 View

Bingham fluid for laboratory experiments?

Dear Colleagues, I am looking for a Bingham fluid to be used in lab experiments as alternative to Herschel-Bulkley fluids. This last category is well reproduced by Carbopol, which shows a fluid...

06 April 2019 7,198 3 View

Sign of eigenvalues in a Sturm-Liouville problem arising in linear stability analysis.

I am analyzing the sign of the eigenvalues of a singular Sturm-Liouville problem, with the function coefficient of the second order term equal to zero at the edges of the interval. The problem...

11 November 2012 6,077 10 View

What is the correct mapping to evaluate the internal wave celerity in a circular cross-section?

Dear Colleagues, I am developing an analytical model for computing the internal wave celerity in a linearly density stratified fluid in a circular cross-section channel, i.e. in a bounded domain....

01 January 1970 3,217 2 View