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Questions related from Ahmed Abdelhameed
Using mesh free may be reasonable to overcome most of flow problems compared with using mesh method. However, cost of CPU time , stability and accuracy will be concerned.
21 March 2019 6,427 0 View
The Navier-Stokes equations are only valid as long as the representative physical length scale of the system is much larger than the mean free path of the molecules that make up the fluid. In that...
02 March 2019 9,081 31 View
Grid generation is the heart of numerical solution.Based on DNS which came from well known theory it is considered to suit all the flow applications (laminar and turbulent). The problem is how to...
09 February 2019 7,914 3 View
All the detergents are not responsible for washing clothes but all they do is to make the tap water do it by changing the surface tension of it. If we can reformulate(not separate) the molecular...
31 January 2019 7,152 3 View
The adverse effects of ice formation on the aerodynamic characteristics of wings and helicopter blades are well known. It is known that icing may cause premature flow separation and lead to stall...
28 January 2019 6,299 5 View
There are some places which face some difficulties in using fixed wind turbines in particular, developing countries. It is realistic to use flying turbines especially the out put power could reach...
06 January 2019 5,107 9 View
Using jet water to carry floating bridge on river or sea carrying people ,cars and others between two towns.
31 December 2018 9,762 3 View
The choice of blade loading of gas turbine is related with the efficiency of gas turbine, pressure gradient diffusion losses and friction losses. It is not realistic to have blade loading of gas...
20 December 2018 969 1 View
Navier - Stokes Equation is remarkable equation since 1845 and still cover most of the practical problems even in case of turbulent flow regimes.But in cases where the effect of turbulence is...
05 December 2018 2,190 6 View
There are many different turbulence models to be used in fluid dynamics applications. The question is why do we need to use different turbulence models for each application? is it possible to...
28 November 2018 5,394 24 View