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

Can anyone help or comment on solubilising chlorobutanol in aqueous injections in minimum time possible?

Please suggest solubilisation of chlorobutanol in injections. Tried pH and high temperature. But the issue is of assay drop. If anyone can suggest any solution. Its a commonly used excipient for...

21 February 2021 7,397 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

Who are the possible experts I can reach out to regarding the reseach topic: Activated Carbon as Water Filter?

Hi! Me and my team mates are currently new in doing a research study. We do not have any previous experiences in research. And we just wanted to know what type of experts (the field they in) can...

19 February 2021 9,596 4 View

Can any one provide information about medicine, epidemic and critical issues or it is mandatory to be an expert ?

Due to the pandemic of coronavirus, the most source that the people depend on was social media. There is no guaranteed solution that is biased from political opinion. An example of that the...

01 February 2021 7,567 3 View

How to make sure that ultrasonic lysis of E.coli is done completely?

What's the criteria of comolete lysis of E.coli when breaking them using ultrasonic? What phenomena can help to determine if the cell are broken completely? From smell, transparence of the lysis...

07 January 2021 1,911 3 View

What is your expert opinion/experience/suggestion about the Methodology of Grey water Analysis?

Please share your perception

31 December 2020 8,474 3 View

In your opinion, if it is really a viruses then, what measure can we adopt for positive aspect of this pandemic?

Experts opinion please

31 December 2020 3,057 4 View

Why the taste of foods(item) changes with the sources of fuel we used(bio fuel,wood,dried dung) reality or meth ?

As my experience and many consumer experience they feel the different taste of the same item served cooked in a different source, is it real or not, what is the reason behind this.

24 December 2020 6,476 3 View

How I can choose best response surface methodology design for optimisation of of PH, temperature, metal ion concentration, adsorbent dose?

I wanted to use CCD aur box-behnken design Which one is better and how I can do experiment using design expert software

13 December 2020 6,323 5 View

DoE: Possible reasons for having a lot of significant effects? Is it as complex or went something wrong?

I did a product development using Design Expert for planning and evaluation. There is a response with a lot of significant effects shown in the Half Normal Plot. By testing factors A, B, C, D I...

06 December 2020 5,128 3 View

How can I design my experiments with different number of variants of one factor?

Dear all; I have 4 factors to design my experiments. 3 of the factors are numerical but one is nominal. for nominal factor I have 3 type as: A, B, C. the levels of A, B & C do not match each...

02 December 2020 5,535 11 View

Chi Square/CMIN value in larger sample size by using AMOS?

Hi, I am working on cross-cultural research. For that, I need to perform MG analysis in AMOS. I found the following results: CMIN / DF : 5.619 GFI : .946 AGFI: .934 CFI: .969...

23 November 2020 9,998 3 View