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

How to draw ferrocene in Gaussview?

I am wondering how to draw ferrocene molecule in Gaussview, should iron atom be hanged between two five-membered ring with no covalent bonds projecting from iron atom? or I should draw bonds? if i...

15 September 2020 3,129 6 View

What is the possible reason behind the unexpected behavior of 4cp-ferrocene during its characterization using a spectroscopic technique ?

Often, any ferrocene derivative during its characterization using a spectroscopic method gives two absorbances, along the ultraviolet region and the visible region (figure 1 ). in vitro was...

05 May 2020 4,652 6 View

No title

24 March 2020 7,194 6 View

Cyclic Voltammetry: Small peaks near 0V in electrolyte solution without analyte?

CV setup is glassy carbon WE, Pt wire CE, and Ag/AgNO3 RE (no salt bridge). My solvent is DMSO with tetraethylammonium tetrafluoroborate (TEAFB) as the electrolyte. The reference electrode...

09 October 2019 6,555 5 View

Cyclic Voltammetry: Small peaks near 0V in electrolyte solution without analyte?

CV setup is glassy carbon WE, Pt wire CE, and Ag/AgNO3 RE (no salt bridge). My solvent is DMSO with tetraethylammonium tetrafluoroborate (TEAFB) as the electrolyte. The reference electrode...

09 October 2019 330 4 View

Which basis sets are suitable for organometalic compounds such as Ferrocene which contains other substitutions that contains O, N and halogens (X)?

I'm looking for the best mix to optimize some derivatives of Ferrocene .

09 October 2019 9,078 2 View

What is the best solvent for Ferrocene?

i have synthesized a compound from ferrocene and silica nano particles in an Teflon-lined autoclave and now i have problem for cleaning the Teflon bowl which contains ferrocene. i have tried...

08 September 2019 7,298 5 View

What could be the role of ferrocene in synthesizing graphene oxide from agricultural waste such as sugarcane bagasse?

My research involves the synthesis of graphene oxide from sugarcane bagasse and one procedure that caught my interest is the addition of ferrocene during the pyrolysis of the aforementioned...

08 September 2019 1,219 3 View

Can modifying an electrode with a nanoporous CNT film change the ferrocene CV reaction from diffusion-controlled to adsorption-controlled?

I am coating some gold electrodes with different amounts of carbon nanotubes (CNT) to create a more electroactive surface with increased surface area, and I am evaluating the electrode behavior...

06 July 2019 7,848 3 View

How do you fit Chronoamperometric (i vs. t) data to the Shoup-Szabo equation?

I am testing out my Pt microelectrode (diameter=10um, bought from C-H instruments) to determine the diffusion coefficient of a 1mM solution of ferrocene in 0.2M TBAPF6/ACN. I want to use this set...

01 February 2019 7,008 4 View