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

Protocol for bacterial samples preparation for Scanning Electron Microscopy ?

I want to prepare bacterial samples to observe the bacterial cell lysis by bacteriophage protein (endolysin) through scanning electron microscopy. Please, anyone can share the protocol of...

01 February 2021 1,173 3 View

Can we mix elemental powders of 325 mesh using an agate mortar and pestle?

Elemental Powders like Titanium, vanadium, tungsten, zirconium, hafnium.

04 January 2021 7,357 1 View

How to get nanocomposite of PEEK with Zirconia ?

Need a lengthy PEEK with Zirconia based nano composite of 180 mm length. Which method is possible? Tried injection molding no proper mix. Solvent casting process is also very costly. Kindly anyone...

13 December 2020 4,329 5 View

What is the driving force for the Stress Induced Transformation Toughening (one of the toughening mechanisms in ZIRCONIA TOUGHENED ALUMINA)?

It has been established that the tetragonal to monoclinic phase transformation of zirconia can be used to improve the toughness. The driving force for this transformation is the temperature...

01 October 2020 9,634 4 View

Will e.max survive the battle with evolving zirconia ceramics?

Zirconia appeared in the dental market as a strong yet ugly ceramics. They were Fit only as frameworks that to be veneered later by more esthetic feldspathic ceramics. It was indicated only in...

01 August 2020 2,865 5 View

Does hot KOH react with zirconia?

Hot KOH destroy many materials like alumina or glass.. So, can I use zirconia(ZrO2) boat for KOH activation of carbon nanoparticle experiments?

09 April 2020 800 1 View

Thermal sprayed zirconia protective coating on ceramic setter plate for MLCC sintering?

Dear all, Hope you and your families are healthy and well-prepared in the current COVID-19 situation. Could you please shed some light on the mechanism of using zirconia protective coating...

19 March 2020 1,893 4 View

How can I measure oxygen vacancy concentration inside a doped Zirconia ceramics?

I am doing some processing operations on zirconia-based ceramics, which might lead to an increase in oxygen vacancy concentration. I want to quantify the change in oxygen vacancy concentration...

11 December 2019 7,677 4 View

How to Manufacture the Nano Powder of Zirconium or Zirconia from Micron Size available in market?

Zirconia or Zirconium NaNo Powder Production

26 November 2019 2,247 3 View

Please suggest me the tests needed to be carried out for proving translucency of ceramic body?

I have made ceramic pellets using doped zirconia ceramics. The pellet glows when kept on torchlight.

10 October 2019 4,041 2 View

What is the reason behind the different values of the band gap of the same material calculated from two different techniques?

I have calculated band gap of cerium oxide using UV-vis absorption spectra and PL emission spectra. The values of band gaps calculated by both technique differ by ~ 0.7eV. What can be the possible...

24 September 2019 4,171 5 View