To COMSOL user's, how can add Local Nusselt on the outer surface of cylinder??

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We are working on different projects in our CFD group. what is the best way to make the work growing up quickly?

We are working on different projects in our CFD group. what is the best way to make the work growing up quickly. do it in small teams for each project or work together??

06 July 2018 7,291 15 View

What is the importance of vacuum the rock core sample before saturation?

I am performing core flooding experiments as a research work. I started by initially saturating the core sample by the crude oil (Stock tank oil). However, I did not do enough vacuuming of the...

03 April 2018 9,191 4 View

For open channel fluid flow; at any Re can amusing the heat convection is natural???

01 February 2018 5,971 12 View

As I Know, the nanofluid will increase the heat transfer if used as a working fluid, but how much it ?

As I Know, the nanofluid will increase the heat transfer if used as a working fluid, but how much ..

01 February 2018 7,009 24 View

How can added the nanofluid in COMSOL?

01 February 2018 1,808 12 View

Whats the nanofluid and how we can model it with natural convection in Fluent?

Whats the nanofluid and how we can model it with natural convection in Fluent

01 February 2018 3,956 10 View

How we can model nanofluid with porous media and what is the best CFD software ?

01 February 2018 939 6 View

Any idea for the effect of heat generation with nanofluid in porous cavity?

01 February 2018 5,061 5 View

How can change Richardson number (Ri) in FLUENT???

how can change Richardson number (Ri) in FLUENT??? by changing the Temperature or velocity????

18 January 2018 4,391 6 View

In COMSOL how to add fluid flow Heat transfer through Porous media?

In COMSOL how to add fluid flow Heat transfer through Porous media

31 December 2017 4,470 5 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Is there any tutorial for comsol general projections?

Hi, im trying to make a projection in a 3d comsol model. I have a non uniforme chanel and my intention is to get the average tempreture in the y-z cross section and se the average tempreture...

02 March 2021 4,624 4 View

Is it possible to do piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch?

How to do Piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch? Piezoelectric coupling between the rectangular substrate and rectangular...

02 March 2021 9,833 3 View

Where can I find life cycle inventory or assessment of non woven materials?

Dear network, I am looking for the LCA or LCI or at least the energy balances of the non woven fabrics process for my master project, in specific for natural fibers, yet I have found...

02 March 2021 9,662 1 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

Necessary tube lenght to cool Natural gas in a dry-ice cooling bath?

I have a tank which contains natural gas at 250 Bar and 293 Kelvin. I want to cool the gas in a dry-ice cooling bath to about 195 Kelvin. The gas will flow in a copper-tube through the bath with a...

27 February 2021 8,128 1 View

Exit velocity of natural gas from pressurized tank?

Hi Guys. I'm a mechanical engineer and have a bit trouble, would be very glad if you could help me with my questions. I have a pressurized tank which contains Natural Gas at 200 Bar and 293...

26 February 2021 6,253 3 View

How to use measure capacitance change in COMSOL time dependent study ?

I want to measure change of capacitance due to relative displacement between two parallel plates in COMSOL. Distance between two plates changes with time. So I'm using a time dependent study but...

26 February 2021 8,567 3 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View