Oualid Imene

10 Questions 28 Answers 0 Followers

Questions related from Oualid Imene

How to predict the velocity distribution of a sprayed powder from a nozzle?

Hello everyone, I am searching if it exists any formula used for predicting a velocity distribution of injected solid particles in my case I used flour and the type of injection is through a...

06 June 2019 9,275 3 View

How to calculate the mean thermal speed of ions ?

Hello everyone, Could someone of you please give me a formula about how to estimate the mean thermal speed of ions generated by corona discharge in the air and this ions are accelerated by an...

08 August 2018 4,417 0 View

Which flow should I choose in the case of two parallel plates ?

Hello everyone, I am a little confused into choosing the right flow's nature wether it is Laminar or Turbulent and in my case I have the Fluid flow and particles are moving through two parallel...

02 February 2018 8,722 8 View

What are the Units present in Electric Field Ionization experimental formulas ?

Can someone help me about the Kaptzov assumption for setting the electric field value on corona onset. I want to verify the Unit of each term present in the formulas because I am lost in how to do...

10 October 2017 3,138 0 View

Should I take into account the Lift Force when simulating a Fluid Flow ?

Hello everyone,I am simulating an air flow with fine particles using for this the software Comsol Multiphysics and I wanted to know in addition to the drag force that is exerted on the particles...

08 August 2017 4,748 6 View

The influence of the drag froce on the particle's trajectory ?

Hello everyone ! I would like somebody who could help me in the comprehension of the trajectory of a particle in air flow with and without the presence of the Drag Force how the trajecotry is...

07 July 2017 5,904 7 View

Could I use two physics in only one study in COMSOL Multiphysics ?

Hello everyone, I have some problems when using of two physics which are both used in the stationary study and I would like to know their influences on another physics that uses the temporal mode...

04 April 2017 1,042 7 View

Does the term of Dynamic Viscosity exist for solid materials?

Hi there everyone ^^, I need some help for my study in the field of Fluid flow, I use COMSOL Multiphysics for this and When I add some solid materials like copper or aluminium for the geometries...

12 December 2016 5,960 15 View

Which boundary conditions should I use for a woodenboard transpierced by high voltage wires ?

Hello everyone, I use COMSOL Multiphysics 5.0 in my study and I want to know what must I put as a limiting condition for a plank crossed by wires placed in high voltage ^^ I used "Dielectric...

10 October 2016 1,831 7 View

How to simulate Laminar Flow 2D between two horizontal infinite parallel plates ?

I use COMSOL Multiphysics 5.0 for my study and in order to limit the domain in Electrostatic I have to draw an infinite box so what do I assign as border (Boundaries) to this box so that it won’t...

08 August 2016 9,011 13 View