Is there any polytropic equation of state involving rotation and nonthermal effects?

27 December 2018 0 706 Report

Astrophysical fluids are gyratory and nonthermal in collective response. Is there any polytropic equation of state involving fluid rotation and nonthermal effects?

Badges
Science topic

More P.K. Karmakar's questions See All

Can publishing a prepublished research as a new book chapter be acceptable in the academic world?

Research papers are in brief, book chapters are in detail. Can publishing a prepublished research as a new expanded book chapter be acceptable in the academic world?

19 March 2020 6,221 9 View

Why does the universe expand despite self-gravity?

We are in an expanding Universe as per the big-bang cosmology. Does it really mean that the outward thermal pressure now beats the inward gravitational pressure in the Universe? What is the exact...

14 March 2020 4,196 37 View

What are the different projects launched with a strong mission to make knowledge globally free?

What are the different projects launched with a strong mission to make knowledge and its resources globally free so that unprivileged and underprivileged scholars could pursue higher education in...

28 December 2019 9,526 3 View

How can we prevent ear-problems often encountered by passengers after a flight journey?

The vertical atmospheric air pressure differences encountered during flight journeys often create ear-problems well realized by passengers after landing. How can we prevent them easily?

26 November 2019 9,015 12 View

What is the significance of dynamical system analysis in cosmology and dark energy study??

What is the reason that we modify our system as dynamical systems while studying dark energy? And further, what is the criteria for choice of the dimensionless variables x,y,z.??

29 September 2019 7,687 1 View

How to get low energy model Hamiltonian of a material from DFT calculation?

I need to find the low energy model Hamiltonian for a material (semimetal). I heard that this is possible by using Wannier90 clubbed with VASP or QE. It would be very helpful for me if someone...

18 September 2019 6,649 2 View

What are the additional advantages that a Fano resonance possesses in comparison to normal dipolar resonance in Optical systems?

Fano resonance is a distinctive spectroscopic behavior in many optical systems. There're certain differences in terms of physics and behavior of Fano resonance compare to dipole resonance which is...

30 May 2019 4,244 2 View

What is the best process for estimating Triclosan from sediment samples?

What is the best and easiest protocol for extracting Triclosan from sediment and further estimation using HPLC, GC-MS or LC-MS? Please suggest some easy and dependable protocol.

15 March 2019 2,007 4 View

Do electrons and protons have independent minds to decide the directionality of gyromagnetic effects?

We have mind. We are made up of matter. Does matter have its own mind? Do electrons and protons, which are the building blocks of matter, have independent minds to decide the directionality of...

25 February 2019 2,405 3 View

Will any expert recruit me as a postdoc under his/her supervision in the field of bioenergy or waste water treatment? Will you please share this?

I, Dr. Rachan Karmakar, have done my Ph.D. in 2018 in the field of energy and environment. My areas of specialization are as follows- 1. Biofuel production and characterization 2. Analysis of...

15 January 2019 9,065 5 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

What is the characteristic length to determine the Reynolds number for the scattered turbulent fluid flow?

Dear all, I just saw this example in FB on the difference between laminar flow and turbulent flow. The flow from a pipe hits the sink and scattered. The flow from the pipe is characterized as...

02 March 2021 1,999 5 View

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View

How much pressure we can reduce at the outlet to avoid Reverse Flow?

I am simulating Heat Exchanger. I have tried and tested all the methods to resolve this issue from the internet like refining mesh, improving skewness and orthogonal quality ,extending outlet to...

01 March 2021 6,985 3 View

How to show arrows over the streamlines in CFD-post?

I follow this to make streamlines like the photos attached below: (software- CFD post-processing) First I plot the 2D streamline over a surface "streamline 1". them I plot a vector by the...

01 March 2021 8,668 3 View

How to increase mesh quality of a cfd model in ansys fluent?

How can one improve mesh skewness, orthogonality, aspect ratio?

28 February 2021 7,730 3 View

For modelling epoxy-based matrices (in composites), which model in ABAQUS is the most suitable, Concrete damaged plasticity or Drucker-Prager model?

I am working on developing a micromechanical FE model for predicting kink-band formation in UD composites. To model matrix plasticity, which model, out of Concrete Damaged Plasticity and...

28 February 2021 5,415 1 View

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View