How can I obtain velocity of pair drops in electrocoalescence phenomenon by phase field module in comsol?

Hello everybody. I am simulating electrocoalescence of a pair water drops in oil by phase field method in comsol multiphysics. My question is how I can calculate the velocity of drops during...

11 December 2020 1,947 1 View

Microfluidic flow rate in separation methods with external force fields and fluid dynamics-based microfulidic separation methods?

Hello everyone. I have a question about microfluidic-based methods. In this article, "Microflidic-Based Approaches in Targeted Cell/ParticleSeparation Based on Physical Properties: Fundamentalsand...

15 October 2020 9,173 5 View

Has anybody done Mineral Potential Mapping using Artificial Neural Network in Matlab?

I would like to figure out how to integrate evidence layers using Artificial Neural Network (ANN) for mineral potential mapping (MPM) in the Matlab step by step. I will be grateful to you if you...

06 September 2020 2,413 4 View

Is there anyone who silmulates the mechanical properties of graphene membrane?

Hello everyone, I want to simulate the mechanical response of graphene membrane on cavities after applying force but I am quite new working with comsol, Is there anyone that I cantact by email or...

31 January 2020 940 1 View

How to calculate the breakthrough time from Adams-Bohart model?

06 October 2019 9,579 3 View

Dear researchers, is there any film to download which show how to make ready geo-spatial maps for subsequent process in Matlab?

Indeed, i want to model mineral potential zones by the use of neural network. But i dont know how to make evidential layers ready (such as making binary map) for follow up processing in Matlab. So...

22 June 2019 8,190 2 View

Dear Freinds...I need two these books. Does anybody have these books to share with me?

1. Crucifers of Great Britain and Irland 2. Light and scanning electron microscopic studies on trichomes of some Brassicaceae[1983]

24 April 2019 116 1 View

How to extract feature from ecg with wavelet bior1.5 and scale 15 in matlab ?

hin i am researching about svm-based cardiac arrhythmia detection from short single lead ecg recording. my problem is how to obtain wavelet coefficient when i have multiple .mat file in my dataset?

12 January 2019 6,489 3 View

Having passion in cooperation in writing review papers?

Hello Dears, I am wonder if there is any individual who is ready and has passion in cooperating in writing review papers with me in the area of food microbiology. Best Regards

25 June 2018 10,018 3 View

What are the waxy substances in plant natural fibers exactly?

As far as I know, wax and fatty substances are minor constituents in plant natural fibers which consist of several alcohols. Unfortunately, I didn't accomplish finding certain answers for some of...

29 September 2017 1,238 6 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

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

What is the characteristic length to determine the Reynolds number for the scattered turbulent fluid flow?

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

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

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

How much pressure we can reduce at the outlet to avoid Reverse Flow?

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

How to show arrows over the streamlines in CFD-post?

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 to increase mesh quality of a cfd model in ansys fluent?

How can one improve mesh skewness, orthogonality, aspect ratio?

28 February 2021 7,730 3 View

No title

I am trying to find how to know the density needed for a pva electrospinning in a 0.6mm neddle, the electrospinning will be from top to bottom and the problem I really have is the solution because...

25 February 2021 2,615 3 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

Is the a way to contol flow (Flow velocity) without impacting pressure value?

I have a pipe with 10 mm in Diameter and 2 bar pressure, the fluid velocity is 200 m/s, the fluid is air. is there a way to reduce velocity without affecting the pressure value?

25 February 2021 7,187 3 View

How do you mesh a thin solid in Fluent?

Hello, I have used the shell function on SpaceClaim to create thin solids for the model I am studying. These are contained within an enclosure for my study. I chose this approach as it avoids the...

24 February 2021 8,856 3 View