Anyone working on drag reduction around bodies? I am looking for a practical example (maybe a picture/example of a pattern) for a physical change in the shape of a body that resulted in drag reduction for water flowing around a body. Thanks,
hello I tried to looking for Weibull fading channel matlab codes and i found just the following formula: h = lambda.*(-log(rand(nRx(jj),N)).^(1/beta)) my question is this codes express the...
09 December 2020 6,575 1 View
I have transfected COS 7cells to express Protein-GFP conjugate, transfection rate was very low (20-30 %) , but the cell morphology changed, many of the cells appear round, (nucleus round too)...
15 September 2020 5,324 3 View
What is the effect of the Gypsum percentage on the collapse potential of the soil? The collapse potential (CP) of the soil can be calculated by the Single Oedometer Test or Double Oedometer Test.
30 June 2020 150 19 View
Residual soil is the product of the weathering processes for rocks. What are the main characteristics of this residual soil?
10 June 2020 6,994 49 View
Single Oedometer collapse test (SOT) is the relationship between the void ratio and vertical stress under dry conditions until reach to collapse stress such as (200 kPa) then flooded the soil...
25 April 2020 5,966 4 View
How can I get Absorption spectrum for organic molecules (Pentacene(C22H14) ,TFB (C53H67N), CuPc (C32H16CuN8), ZnPc (C32H16N8Zn), Alq3 (C27H18AlN3O3), 6P (C17H21N5O5), and HATNA (C24H12N6), i.e the...
09 April 2020 6,625 4 View
Dear researchers, Conventional particle analysis of soil sample using ordinary sieve analysis in both dry and wet methods on sieve Nr. 200 of opening size 0.075 mm according to ASTM standard or...
09 March 2020 8,349 4 View
I am working to simulate axial pump with inducer using CFD fluent and I need help to known how can create axial pump that mean how can rotate impeller with fixed the pipe wall under transient...
07 February 2020 5,315 3 View
Where can I find the best online website for to calculate Homo and Lumo
11 December 2018 9,073 1 View
What is the best online website for to calculate Homo and Lumo
11 December 2018 1,775 0 View
In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...
03 March 2021 1,682 3 View
Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...
02 March 2021 4,910 3 View
Dear all, I just saw this example in FB on the difference between laminar flow and turbulent flow. The flow from a pipe hits the sink and scattered. The flow from the pipe is characterized as...
02 March 2021 1,999 5 View
(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...
02 March 2021 3,309 2 View
during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...
01 March 2021 7,476 4 View
I am simulating Heat Exchanger. I have tried and tested all the methods to resolve this issue from the internet like refining mesh, improving skewness and orthogonal quality ,extending outlet to...
01 March 2021 6,985 3 View
Hello Everyone. Currently I am working to characterize macrophages in the myocardium after ischemia-reperfusion injury in rats. Due to the low total cell number isolated from rat hearts I can...
01 March 2021 3,867 3 View
I follow this to make streamlines like the photos attached below: (software- CFD post-processing) First I plot the 2D streamline over a surface "streamline 1". them I plot a vector by the...
01 March 2021 8,668 3 View
How can one improve mesh skewness, orthogonality, aspect ratio?
28 February 2021 7,730 3 View
I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...
28 February 2021 298 3 View