Tapan K. Sengupta

5 Questions 175 Answers 0 Followers

Questions related from Tapan K. Sengupta

For the same geomtry and flow paramters, obtained turbulence by different excitation routes show universal features?

In most reports on turbulent flows, an implicit assumption lurks that the fully developed turbulence is universal. I would like to know, if any such systematic research results are available or...

11 November 2018 552 66 View

What is meaning of order of filters? When all filters are zeroth order operation! Is it keeping up with a wrong legacy?

The filters have been glorified in the same way by their order, as it is done for spatial discretization. Sadly, when we filter, the filtered variable is different from unfiltered variable. That...

09 September 2018 3,993 1 View

Apart from Q- and lambda_2 criteria, are there any new coherent structure eduction technique available?

We are developing some new coherent structure identification techniques based on DNS. Before we write anything down, we would like to know about the state of the art in the field.

07 July 2018 3,576 13 View

Difference between impulse and frequence response is real?

Are these two approaches used in theoretical experimental investigations for dynamical system complimentary? Or these two approaches may produce completely different output? Our investigation on...

01 January 1970 8,089 3 View

Is the wavy wall turbulent flow is investigated for drag reduction?

There have been many research efforts in 1970's and 1980's on this topic. The PhD dissertation performed by me, was on turbulent flow drag reduction over moving and rigid wavy wall. All such...

01 January 1970 9,195 1 View