Krishnadas Narayanan Nampoothiri

6 Questions 16 Answers 0 Followers

Questions related from Krishnadas Narayanan Nampoothiri

May I know the formula for air velocity in natural convection?

I have come across the expression V = Sqrt(2 g L Beta DeltaT). Here i need the air velocity around a heated drop. How should I take L?

06 June 2018 1,022 1 View

I have a Nyquist plot. How can I extract the value of the electrical components?

I tried to use Zview. But it is not working. Is it possible to do in Matlab or some other software?

12 December 2017 1,890 7 View

Can anyone help me in detecting 3-7 micron sized circles (diameter) using MATLAB?

In an image I have 3-7 micron diameter droplets. The density of droplets is very large and the size is small. I used imfindcircles command. I tried tresholding and sensitivity commands also. But...

12 December 2017 3,189 9 View

By applying 5MV/m using AC voltage, how would be the electric field lines look line on a drop kept on two coplanar electrodes?

Drop on SU8 coated coplanar gold electrodes. Gap between electrode is 100micron. 500 AC voltage at 50kHz. Any guess on the electric field lines?

10 October 2016 5,834 6 View

Will SU8 degrade during Liquid dielectrophoresis of DI water at 500V, 50kHz?

SU8 2005 of height 6micron is coated over the electrodes and DI water is placed above it. Drop is actuated at 500V, 50kHz.

10 October 2016 6,854 6 View

How can one extract distance vs time data of moving objects from a video through image processing in MATLAB?

I need to extract information of moving objects of around 10000 frames. How can it be done by image processing? I am new to MATLAB

01 January 1970 8,988 6 View