What is the relationship between the surfactant ( all kind ) and viscosity of the liquids ?

Hi all i need some references relating to effect of the surfactant ( all kind) on the liquids' viscosity . Surfactant increases the viscosity or decreases ?

01 February 2015 1,675 2 View

What is the Structure of Graphene oxide sheets?

31 December 2014 8,481 8 View

Which is the best, accurate, free and RELIABLE anti-plagiarism checking software ??

31 December 2014 6,252 4 View

Is anyone familiar with nanoparticle aggregation , Brownian motion , thermal conductivity and nanofluids?

09 October 2014 3,874 11 View

Can anybody explain the relation between marangoni effect and nanoparticle size in a sessile droplet case?

Marangoni effect in nanofluid.

06 July 2014 3,307 6 View

What is the source of "Gibbs free energy " in a sessile droplet? What does it mean ?

What is the source of "Gibbs free energy " in a sessile droplet? What does it mean ?

03 April 2014 9,951 1 View

Evaporation rate of sessile droplet - can anyone help?

How can I calculate the evaporation rate of sessile droplet?

09 October 2013 9,841 7 View

How to choose the best /most suitable surfactant?

How can I choose the best surfactant for dispersing AL2O3 nanoparticle in Ethanol? (Al2O3 Gamma - 20 nm) and (ethanol 99.6 %) I have this surfactant : Sorbitan Oleat ( Span 80 ) - Tween 80 -...

09 October 2013 2,500 4 View

Which one of the following methods is suitable and does not have an effect on the final stabilization of the nanofluid?

For preparing nanofluid, which one of the following methods is suitable and does not have an effect on the final stabilization of the nanofluid? 1. First we add the nanoparticles to the base...

09 October 2013 4,304 0 View

Does anyone know how to use MATLAB code to measure contact angle and base radius of droplet?

Base radius is the interface of the liquid and the solid surface. Contact angle is just the angle a droplet makes with the surface at the triple point.

09 October 2013 7,619 3 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Why should we choose deep learning to machine learning? Why is CNN better for image classification? Can I get Typical Answer?

What Characteristics makes CNN work better?

03 March 2021 1,458 4 View

What are some of the research gaps in machine learning and artificial intelligence in africa?

i would to know some of the research gaps in the artificial intelligence field in most african countries.

03 March 2021 6,145 3 View

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View