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 model Type 1 collagen structure for finite element analysis ?

I have started a project in which stress distribution in Type 1-collagen scaffold is to be modelled. I am thinking of using finite element analysis to model the structure and the loading...

07 February 2021 5,487 3 View

Why sometimes current- voltage plot in chemiresistors/ FET does not pass through the origin?

I am trying to measure resistance from I-V curve from a chemiresistor/ FET sensor with a keithly sourcemeter. The substrate is soaked/ wet with protein and phosphate buffer only. But the I-V line...

24 January 2021 8,009 3 View

How to measure CPT1/FAO activity in a rare cell type?

Hello all, I am searching for a way to measure the activity of CPT1 and/or FAO in mouse hematopoietic stem cells, which means I have very little material available to do so. Any...

20 January 2021 8,499 2 View

How can I verify the design on the FPGA ZedBoard?

I have designed AXI Interconnect to connect 4 masters and 1 slave using SystemVerilog and Vivado Tool. The simulation stage of the design is working well. In the design, there are more I/O pins...

06 January 2021 8,487 2 View

Transfecting high molecular weight poly I:C using lipofectamine 2000?

I'm planning to transfect HepG2 and Huh7 with poly I:C (high molecular weight poly IC from Invivogen using lipofectamine 2000 as transfectant reagent. I would like to do a standard curve using...

01 January 2021 239 1 View

How to remove the bubbles in Collagen gel and maintain the transparency?

I am working on the capillary formation of Lymphatic endothelial cells in a collagen matrix. But I am facing a technical problem to handle Collagen. I have made many times; I am not able to remove...

27 December 2020 5,495 3 View

How to determine the dominant orientation of collagen fibers.?

what is the best method to determine the dominant orientation of collagen fibers? i preformed FFT and shited the frequencies , what should be my next step ?

24 December 2020 3,360 3 View

Is it possible to calculate the sample size of a clinical trial with the Cohen formula when there is no similar article?

We are trying to design a clinical trial on type 2 diabetes patients. The main data that we want to assess include FBS, 2hpp, HbA1c, insulin, and HOMA-IR. Also, we will assess the lipid profile...

21 December 2020 2,454 3 View

Has anybody had staining problems with lysotracker in live cells?

I am working with two fish cells types, a zebrafish liver cell line and primary cultures of trout macrophages. We are using lysotracker to stain them in order to visualize lysosomes in confocal...

16 December 2020 3,935 2 View

Is anyone share your experience in making hydro gel using bovine collagen?

dear all, Actually, I m trying to prepare hydrogel using fish collagen, rat tail collagen, and bovine collagen to check the cell adhesion and viability. fish and rat tail collagen nicely formed as...

15 December 2020 7,142 4 View