What is the value of cp in Eckert number?

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How do we correctly setup the solar ray tracing for a Photo Voltaic PV panel simulation in ANSYS FLUENT?

Hello, I have a simple model (PV cell+ air channel) and I do not know how to let the sun rays hit the PV surface and then transfer the heat to the air..What I see is the sun rays hit the air...

08 September 2019 475 2 View

What are the equations of the boundary layer of a flat plate that TDMA method is based on?

Hello, I need the equations that show the coefficient of the matrix that solves the velocity contours of the boundary layer over a flat plate. I have the explicit discretization equations but I...

05 June 2019 7,941 4 View

How to define a heat flux and convection coefficient at the same time on a wall using user defined function in FLUENT?

Hell, how can we write a UDF to include a heat flux value + convection coefficient for a wall in Fluent because we cannot define two named selections for 1 wall ? Danke!

05 June 2019 7,041 12 View

How can we define a symmetry wall boundary condition in Fluent?

Hello, I want to simulate the half of the domain and define a symmetry wall because I do not want to consider it as the edge wall, I want to consider it the wall at the half of the domain..How ca...

04 May 2019 5,819 3 View

How to use Chemkin to model the model studied in the attached paper?

Hello, I want to know how to use ANSYS Chemkin to model the attached model in the attached paper. the videos on internet are so simple. Thanks

04 May 2019 3,934 2 View

Can we cople between ANSYS FLUENT and Simplorer ASAP?

Hello, we have done a simulation using ANSYS FLUENT, can we couple it with ANSYS simplorer? And if yes, how and what are the documents I can study? Danke!

03 April 2019 2,674 6 View

How can we define a heat flux boundary condition + convection for one wall in ANSYS FLUENT?

Hello, I have a wall which is affected by a heat flux and it is cooled by convection..How can we do this in FLUENT? Thanks

02 March 2019 5,946 4 View

What are the equations used to simulate a steady state thermal analysis using FEA ANSYS thermal?

Hello, we wanna write a thesis and we need the equations used for simulating the temperature distribution over a PV panel.. Where can we get these equations that ANSYS uses ? Thanks

31 December 2018 5,790 5 View

How can we save calculations to a text file from a Matlab CFD code during running the code like ANSYS FLUENT?

Hello, we have a CFD code written in MATLAB and we wanna save the calculations at a specific node to a text file like ANSYS FLUENT..Any suggestions please? We will be extremely grateful! Thank you!

31 December 2018 816 3 View

How to save data in a file from MATLAB GUI?

Hello, we have a MATLAB GUI code and it produces a graph, we need to save the data of the graph in a txt file, how can we do it? Thanks

09 October 2018 6,552 4 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

What is the characteristic length to determine the Reynolds number for the scattered turbulent fluid flow?

Dear all, I just saw this example in FB on the difference between laminar flow and turbulent flow. The flow from a pipe hits the sink and scattered. The flow from the pipe is characterized as...

02 March 2021 1,999 5 View

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 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

What are the countries most affected by extreme rainfall as a result of climate change?

Increased heat, drought and insect outbreaks, all associated to climate change, have increased wildfires. Decreasing water supplies, declined agricultural yields, health impacts in cities owing to...

01 March 2021 7,168 9 View

How to show arrows over the streamlines in CFD-post?

I follow this to make streamlines like the photos attached below: (software- CFD post-processing) First I plot the 2D streamline over a surface "streamline 1". them I plot a vector by the...

01 March 2021 8,668 3 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

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 3 View