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Questions related to Computational Fluid Mechanics
I modeled fully developed fluid flow through curved pipe filled with porous media . I want to know the friction factor near the walls. I wonder about the effect of porous media on friction...
01 January 2016 8,155 4 View
A spherical aerosol cloud consisting of spherical particles of known material is illuminated uniformly by light with known spectrum density. I have to calculate the temperature field within the...
01 January 2016 5,486 4 View
Hi, I have a question{simple to think but seems almost impossible for me to do this task}. I am dealing with complex microchannel flow analysis. As an example, I wish to consider a 'L' shaped...
11 November 2015 7,138 4 View
diameter of flat is 2/3 of tube diameter.
11 November 2015 9,749 7 View
I want to simulate bead collision in fluid, the bead size is similar to the fluid flow characteristic length, e.g. 1/5 of flow depth. I found that most of existing CFD-DEM coupling code or...
11 November 2015 2,315 3 View
I am simulating diffusion of salt conc. in sea. I want to take it as Top layer with flow in horizontal direction. The whole layer below wihich just has diffusive mass transfer.. I applied zero...
11 November 2015 929 1 View
Dear Friends I am simulating flow around a circular cylinder at Re=3900 ...but I got the value of Cd=1.4-1.6 which is very high compared to the experimental results. In available literature, the...
05 November 2015 10,053 15 View
Me and my group is going to improve the apparatus in our fluid mechanics laboratory. Our main objective is to add sensor that can measure the lift and drag force on aerofoil when fog is released...
18 October 2015 9,819 2 View
Which software is better to model the fluid flow through reinforcement in RTM?
17 October 2015 3,805 4 View
10 October 2015 6,493 2 View
Making good CFD meshes and dealing with skewness and orthogonality is cumbersome for complex domains. Producing a castellated mesh is simple and guaranteed to produce good elements, at the cost of...
10 October 2015 7,098 3 View
10 October 2015 1,547 5 View
Hello all, I am simulating a cantilever beam in harmonic. The base of the beam is fluctuated and then maximum tip displacement according the frequency is obtained. The maximum tip displacement...
09 September 2015 743 5 View
Nopal is a cactaceus plant capable to produce bio-gas having 65% methane and rest mostly CO2. Any experiences regarding TAIR occurrence in micro-turbine and/or industrial gas turbines applying the...
08 August 2015 5,281 0 View
I have recently tried to simulate the acceleration due to friction in the a micro channel flow. I find that even though the peak mach numbers match up with previous experiments, the jet breakdown...
07 July 2015 1,227 2 View
02 July 2015 3,378 2 View
Hello all, I was willing to know how utility of Richard Extrapolation in CFD. I know it can be used for estimation of order of scheme by running numerical simulation for 3 different grid...
06 June 2015 5,524 6 View
Hi, I am currently doing some analysis on a series of experiments I undertook. Each experiment involves approximately 3000 images. The experiments involve a liquid film flowing down an incline...
21 May 2015 3,147 3 View
I trying to do that but with not so high pressures at the inlet (around 2e5 Pa, i.e., flow with incipient cavitation). By using the Singhal (or other, e.g. Zwart et al.) model and depending on the...
05 May 2015 828 10 View
05 May 2015 4,768 4 View
I want to do the simulation on the flow behavior of PCL in Fused deposition Modelling. I set inlet boundary as velocity inlet and outlet boundary for pressure outlet. For inlet boundary the...
04 April 2015 9,165 6 View
Hi all My problem is as follows: I have measurements (obtained from simulations) of a stream of a fluid (air), which is disturbed by an obstacle (a wind turbine). Of course the flow can be...
04 April 2015 8,015 2 View
Hello all, I am trying to write 2D code for flow between parallel plates using FVM and SIMPLE algorithm in staggered grid. I am having a serious issues with boundary conditions. I am using cell...
03 April 2015 10,125 12 View
When doing a turbulent simulations with models such as LES, how can I compute the ensemble average of the instantaneous velocities. I know that there is an option for calculating "time statistics"...
03 April 2015 3,841 7 View