Bharat Singh Rawat

20 Questions 44 Answers 0 Followers

Questions related from Bharat Singh Rawat

Why is there a difference in twiss parameters with MADX and PTC tracking simulations?

I am trying to estimate the twiss parameters in the PTC tracking module in MADX. However, when I compare the twiss parameters there is a huge difference between the two. The machine periodicity is...

12 January 2024 6,482 0 View

How can I make an animated video of 1D plots in CST studio?

Is there any way to for converting multiple bitmap image plots to animated videos in CST? I can do it by exporting each image separately into a folder and then use Matlab or python for creating a...

01 August 2023 2,442 0 View

How to apply an RF voltage on an electrode in CST ES-PIC solver?

I want to create an effect of a rotating electric field by applying time-varying voltage on electrodes. My electrodes are circular but divided into 4 quadrants, such that in each quadrant the...

17 July 2023 9,124 2 View

CST studio field import error?

I am trying to import my magnetic field data into CST studio but I get the following error. "Invalid field sampling. Field info must contain atleast 2 meshlines for each direction. Please...

20 June 2023 6,024 0 View

How can I covert Radial Magnetic field data to cartesian grid?

I need to input magnetic field values in CST studio. However, due to the hexagonal mesh, CST studio only allows the input of data in a cartesian system. I have data for Br(r,z) and Bz(r,z) and no...

15 June 2023 4,872 2 View

How can I put a gaussian thermal load on a face of a component in ANSYS workbench?

I am trying to simulate the thermal deformation on a circular plate under a 100W heat load. I wish to select the heat load as a gaussian function and not on the entire face. My questions are a)...

06 July 2022 4,056 0 View

What are the appropriate Boundary conditions for Grid Buckling simulation in ansys?

I am trying to simulate buckling phenomenon of ion source grids under thermal load in vacuum.Two grids namely screen grid and acceleration grid made of SS304 are mounted on a SS flange.The grids...

10 March 2021 2,083 3 View

What is the effect of increasing the accelerator grid hole diameter on the grid current of an Ion Thruster?

I am trying to study the different parameters effecting the ion thrusters performance.How is the diameter of accelerator grid hole related to the overall grid current of an ion thruster?

28 May 2020 5,261 0 View

What is the most correct method(Theory) to estimate the plasma density(Range 1e11cm-3) and Plasma Potential from the IV curves?

There are different theories (OML, ABR,BRL etc) for measuring plasma densities. I want to know what is the most generalized method which can be used in all density range without worrying about the...

04 March 2020 8,529 2 View

How to calculated number of particles intercepted by the grids in OPERA-Scala charged particle simulations?

I am trying to simulate argon ion beam extraction for a single aperture 2 gridded system using the 103 plasma surface emitter in OPERA-SCALA. I wish to calculate the number of particles that fall...

06 September 2019 4,478 0 View

How do I extract the most correct esitmation of ion saturation current from a langmuir probe data by using curve fitting in matlab?

(1)What are the most popular implemented theories for describing the ion saturation region? (2) My I-V curve does not have a distinct electron saturation region.How do i get the most accurate...

01 March 2019 2,344 9 View

What are some methods of making very thin grids?

I am working on gridded ion thrusters.Presently we are using 1mm thick and 100 mm dia disk for beam extraction which has around 1000 1-2mm holes in it. The manufacturing of the grids is a...

09 October 2018 9,043 11 View

How can I calculate the amount of deuterons absorbed in a copper target using SRIM for for a 300keV ion beam?

I need to calculate the activation produced in Copper target by the deuteron beams. How can i get the neutron flux produced by the deuterons impinged in the copper target assuming that maximum...

24 November 2016 6,226 7 View

How to approximate a maxwell-Boltzman distribution for the secondary electrons emitted from the surface.?

The equation for the electrons emitted is given in the attached file. I wish to approximate the given equation for a deutron beam of 300keV. Ed=300keV. I wish to plot the graph of N(E)=Number of...

03 October 2016 2,117 2 View

How to decide how much coating should I keep on the surface of my detector?

How should I decide the optimum amount of graphite coating required for my Faraday Cup detector to reduce my secondary electron emission?.

27 September 2016 8,128 3 View

Fast adjust error in SIMION

Can anyone explain why I am getting this error in SIMION when I try to adjust my FAST adjust voltage?

18 September 2016 7,195 1 View

Any more suggestions for more accurate results for heat analysis I carried out?

Today i carried out simulations for the Faraday cup for 25 degree cone angle impinged by a beam of 10kW on the inner diameter of 10mm.The flow rate I kept is 0.2kg per second and temperature of...

15 September 2016 6,035 1 View

Using SRIM i calculated the range of 300KeV deutron in Copper and found it to be in range of Microns.How ever I have a doubt about electron ranges?

To determine the neck thickness I need to calculate the forward range of electrons which might be produced by the Ion beam interactions.Since the range of Ion beam itself is in Microns,Is it safe...

15 September 2016 2,740 4 View

How can I simulate simulations of secondary electrons from a metal surface by Ion beam impinging on it? can you recommend equations ,softwares?

I am designing a faraday cup detector I need to simulate how the secondary electrons will be liberated when Ion beam interacts with the material of the cup. The parameters which i need to vary are...

11 September 2016 1,814 9 View

What are the correction required in langmuir probe theory in presence of magnetic field?

Generally, the IV characteristics of Langmuir probes are defined for unmagnetized plasma. How to estimate the electron temperature and plasma density let's say if there is some axial field inside...

01 January 1970 8,065 4 View