ZnS oxidizes to ZnO!!why??

when I put my ZnS solution in the chemical bath, the ZnS oxidizes so there are ZnO peaks appearing because of the reaction with the oxygen in the air, despite the fact that I close the beaker...

14 February 2021 5,778 9 View

Are any database collected cell penetrating anticancer peptides ?

Dear researchers, Anticancer peptides(ACPs) with cell-penetrating properties can enter to cytoplasmic space of cancer cells and induce cell death. but, I could not find the database that...

29 January 2021 707 3 View

Can anodizing of stainless steel 304 make its surface non-electrical conductive?

Anodizing of SS304 creates a thick oxide layer on that. Is this layer non-electrical conductive? What thickness should be obtained in order to make the surface non-electrical conductive?

01 January 2021 3,359 4 View

How can psychoanalysis make solution for social issue?

how can we use psychoanalytic perspective for describing, meaning, understanding and solving social problems(such as ethical problems, political problems, ...)?

27 December 2020 9,314 13 View

Who is to be cited in the research/review articles?

When an author want to cite the work/idea/theoretical model/results/facts for publication purpose, who should s/he cited (giving citation credit)? (a) the first author (pioneer) who...

09 November 2020 6,929 3 View

What is the best method to zoning and classify the biomes, and ecoregions in a province?

Hi everyone What is the best method to zoning and classify the biomes, and ecoregions in a province? How is it done? I look forward to your valuable answers. Thank you

06 November 2020 5,614 11 View

Is there any advantage on adsorption process to be done at solution pH near to 7 (neutral)?

Generally, it has been reported that some of the adsorption phenomena are of pH dependent. Some studies have shown that the effective removal of contaminants from wastewaters/aqueous media can be...

04 November 2020 8,852 5 View

How can I do y-scrambling( y-randomization) to test the developed machine learning-based model ?

Dear researchers : y-randomization is one of the special tests of machine learning approaches. I want to evaluate my developed machine learning-based models, to predict active peptides, by...

26 October 2020 1,196 2 View

Which type (kind) of water is suitable for preparation of agar media for microbiological purposes?

Between tap water, distilled water, double distilled water and deionized water, which one is mostly recommended to be used to prepare agar media for microbiological purposes?

25 October 2020 6,093 34 View

What is the difference between series resistance and resistance in solar cells?

16 July 2020 7,187 2 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

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

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

Why the results when using wall thickness and when using shell conduction are different in ansys fluent?

Actually, I am running cfd simulation for a heat exchanger which has two fluids one hot and other one is cold fluid. there is a solid domain between them, which I removed and instead I have used...

01 March 2021 9,537 2 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

Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS?

I need to model masonry and reinforced concrete minarets for my MSc thesis. Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS? (Or any other program for just...

01 March 2021 736 3 View

What is recommended for solid domain in ANSYS FLUENT?

Should I mesh the solid domain ? or should I use wall thickness? or Shell conduction? for Heat Transfer between two fluids of a Heat Exchanger. what is recommended?

01 March 2021 9,785 3 View

Can Virtual Servers (remote dekstop manager) run heavy ANSYS Fluent CFD simulation ?

I have a virtual machine. My host Pc specs are not that good thats why i went for virtual servers. so basically my host pc has 8gb of ram with nvidia quadro k2200 4Gb DDR5 GPU ,processor intel...

01 March 2021 8,415 1 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