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

Does anyone know to clarify these changes?

01 March 2021 1,290 2 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

What is the difference between PBE and PBEsol functional?

Hello, I am a 3rd year chemistry student and I'm writing my project report on computational chemistry. does anyone know how PBEsol improves upon the PBE functional? Thanks in advance

19 February 2021 7,068 4 View

Can someone help me with this error that I am getting while estimating a VAR model in R?

I am using annual time series data to estimate a VAR model in R. However, when I run the command to find the optimal lag length, I get the following error: Fehler in VARselect(data, lag.max = 10,...

18 February 2021 9,647 3 View

In your experience what is the difference between G.652D and G.655D optical fiber. In field and in lab?

In our current era there is a big confusion about the usage of G.652 and G.655 optical fiber cable. Theoretically G.655 is much better than G.652 but the operator feel that G.652 is giving almost...

11 February 2021 4,006 8 View

How many dilutions are good enough for TCOD50 of SARS-CoV-2?

I started with 10e-1 till 10e-10. But when I searched for online calculator they mostly consider 5 dilutions. Is there a reason behind it or I should make less dilutions?

11 February 2021 5,839 3 View

Experiment statistical analysis?

07 February 2021 3,635 3 View

How to quantitative analize the data of TNBS assay for gelatin?

Estemeed colleagues, I found some issues regarding the quantification of the data for TNBS assay. There are different protocols on how to perform that but it is clear to me the "fil rouge" that...

02 March 2021 2,616 1 View

For gelatin coating for culturing HUVEC.Should the gelatin be made in sterile water or PBS? Do I need to autoclave the gelatin soln after making it ?

I want to use 0.1% gelatin. Should that be made in PBS or sterile water? Should I autoclave the gelatin soln after making it in water/PBS?

28 February 2021 274 2 View

How to use the Embedded Region constrain on Abaqus CAE?

Hello fellow academics, For my Final Year Project, I am looking into different ways of modelling the interface between PVA and gelatin. I have successfully modeled the interface using the "tied"...

04 February 2021 8,698 1 View

Cell culture compatible glue/sealant?

Hello We are looking for a glue /sealant to fix and secure some glass parts of a live cell imaging chamber. It has to be biologically inert because it may come in contact with the medium, and...

01 February 2021 6,886 3 View

How can I reduce the contraction between gold and PDMS?

I want to use gold electrode on the PDMS. We used an e-beam evaporator to deposit gold electrode on the PDMS using the recipe Ti 5nm, gold 80nm, right after using e-beam evaporator, there is no...

28 December 2020 8,607 3 View

What can I use to dilute protein for gelatin zymography?

My protein sample is extracted with RIPA + PMSF ( Phenylmethylsulfonyl fluoride). After protein assay, the concentration is too high (>900ug/mL) for direct application for gelatin zymography...

13 December 2020 7,764 3 View

X-Ray Diffraction analysis of ZnIn2S4?

Dear Researchers I have synthesized gelatin stabilized ZnIn2S4 nanocrystals, I have obtained XRD patterns which is different from its bulk cubic and hexagonal phases. I assume there is some shift...

11 December 2020 7,933 4 View

Why my samples stuck in the top of gelatin zymography?

I am trying to detect MMP2 activity through gelatin zymography. I do can see clear bands. But all my bands stuck in the top of gel. however the ladder passed through...also when i run the gel, the...

03 December 2020 310 2 View

What is the best washing procedure for Gelatin - arabic gum capsules?

I am preparing microcapsules from complex coacervation procedure to encapsulate an oil phase. However, filtration to remove the aqueous phase results in a paste of aggregated particles. So I am...

25 October 2020 3,152 3 View

Does anyone have a reliable protocol to assess cell viability in commercially available GelMA (Gelatin methacryloyl) ?

Hello all, I am trying to asses the viability of stem cells in GelMA (gelatin methacryloyl). Most articles make their own GelMA. However, our team bought a commercially available one. The thing...

13 September 2020 9,086 1 View