14 Questions 157 Answers 0 Followers
Questions related from Rajesh Alayil
Thermal management of electronics/PCB boards purely depends on the power it dissipates (component power dissipations). But the power dissipation values provided by the component suppliers are the...
21 July 2022 2,435 9 View
I have recently observed that the CFD results shows significant variations with different initialization techniques (mainly standard, fmg and hybrid). What could be the technical reason for this...
19 August 2016 9,216 14 View
Is it difficult to converge a CFD problem with pressure inlet and pressure outlet boundary conditions ? I am looking for the reason today's this. thanks in advance. thanks & Regards, Rajesh.
14 March 2016 3,697 4 View
Recently i read couple of articles on the mesh in case of numerical simulation. One claimed, hex meshes yields better results and the other claims it is poly mesh that yields better results. Which...
14 March 2016 1,355 4 View
I am performing DOE for 3 variable problems and I want to fit a quadratic model in order to find the optimum. How can I do this ? Can i use the results of DOE (full factorial) to do the same ?
20 May 2015 4,007 12 View
In the absence of mathematical expression, how can i optimize a problem with minimum effort ? Which technique to use ? What will be the approach like ? Will DOE ( Design Of Experiments), may be...
15 April 2015 4,917 36 View
I have written a python code to carry out genetic algorithm optimization, but it is too slow. I would like to know how to run the same in parallel ? For more clarity, another python code will be...
19 January 2015 8,693 13 View
I am trying to write a genetic algorithm code to execute mulit-objective problem. i have prior experience in with single objective function. But am bit confused on how to deal with multiple...
11 December 2014 6,822 10 View
During evaporative cooling (sweating), will the temperature of sweat reaches 100 deg Celsius (for before phase change) or is it the phase transformation temperature is much lower than 100 deg...
10 December 2014 5,647 8 View
I am looking for any references on coil circuiting, for heat exchangers. Any help is highly appreciated. Thanks!!
27 November 2014 7,125 7 View
Is there any method by which the thermal inertia of a piece (rectangular) of material be increased. Material can not be altered; dimensions, shape etc can be played with.
26 November 2014 601 35 View
What is the physics behind using smaller blades in combination with larger ones in the turbo machines. It might improve the performance, but how does the physics goes with it. Thanks!
13 November 2014 4,532 13 View
I read recently that "it is not possible to get second order accuracy at the boundaries using finite difference method, were as same is possible with finite volume method. Which by the way is one...
17 October 2014 9,798 35 View
Will the condensate formed after condensation, have any temperature change in them? My point is, during phase change will there be energy release? What happens to this energy? Will it be taken by...
23 September 2014 2,846 41 View
