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

Post evaluation of close range photogrammetry experiments ?

I am performing a simple close range photogrammetry test and comparing outcomes of photogrammetry tools such as VisualSFM, Meshroom, Colmap etc. Kindly advice, what post evaluation tests/ criteria...

13 February 2021 6,410 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

Do you know of an informal caregiver of a person who has recently received a bone marrow transplant?

We are conducting a pilot study of an intervention for informal caregivers of persons who have recently received a bone marrow transplant in the US. If you know of anyone who might be interested,...

13 February 2021 9,174 1 View

Does Location Map of Informal Settlements in South Africa exist?

I urgently need a map that shows the point locations of informal settlements in South Africa. I am currently working on a study that seeks to relate protests location to the location of informal...

02 February 2021 4,113 7 View

Are there existing studies in economic sociology that have applied Kalyan Sanyal's theoretical framework as a methodological basis?

To be precise, I am looking for studies on informal labour that have taken on board Sanyal's category of the Need Economy and his 'Politics of Exclusion' in studying the political-economy of...

26 January 2021 4,219 3 View

Is recycling a challenge to the governments of developing countries?

Is recycling a challenge to the governments of developing countries? A strong will for more serious aggressively organized recycling initiatives, embedded with strict regulations supported through...

12 January 2021 510 13 View

Does these studies, and research based recommendations bring any positive change.?

A strong will for more serious aggressively organized recycling, embedded with strict regulations supported through public awareness projects/programs to be instituted both by formal and informal...

03 January 2021 3,202 2 View

Lipoic acid with a terminal amine causing gelation?

I am wondering if anyone has made Lipoic acid with a terminal amine and has seen gelation? Is there anyway around this or a way to get it back into solution?

29 October 2020 2,839 1 View

How informal learning can impact the learning culture of the organization?

Need to know specific parameters which impact the learning culture variables.

23 September 2020 233 4 View

How do we formalize peer learning?

22 September 2020 8,688 16 View

What are the physical and socio-economic causes behind the unprecedented urban growth in developing countries (i.e. Karachi, Pakistan)?

What type of expected physical and socio-economic variables can be taken to examine unprecedented growth w.r.t informal developmental growth? If possible, please suggest some variables. I shall...

17 September 2020 8,202 1 View

Why don't my isolated mouse cardiomyocytes contract?

I'm trying to isolate left ventricular myocytes from wildtype C57BL/6 mice. Currently the isolation step seems to be going okay - usually I get >50% viability of cells (although this is...

16 September 2020 4,335 3 View