In a holly-core fiber, should the effective index of the fundamental mode be higher or lower than the core refractive index(n=1)?

Hi, I was wondering in hollow-core fibres should the effective index of the fundamental mode be higher or less than the core's refractive index (in this case, n = 1 because the core is filled...

17 January 2021 2,220 3 View

Is there a way to measure energy dissipation in Matlab/Simulink?

I am trying to measure the energy in (Joules) in a Surge Arrester MOV. I am simulating a Hybrid DC circuit breaker.

17 April 2020 259 3 View

How can I trip an ideal switch when a short circuit fault occurs?

I am simulating a Mechanical DC circuit breaker. I used a step to put on and off. I wanted to use a "compare to constant" block so that when the fault current goes over the threshold the ideal...

24 March 2020 1,709 3 View

DC circuit breakers?

Hi I am trying to simulate DC circuits; MCB, SSCB and HCB but i cannot find a model i can use. Does anyone know a journal or a simulink model i can use. Any help will be really appreciated. Thanks

17 March 2020 7,696 3 View

Can a research paper be sent to two journals at the same time, just to save time in case one of the two rejects the paper?

Most of the academic journals take so long just to review the research paper, and most of the times they reject the paper. I was wondering if any researcher can send his paper to two journals,...

18 July 2019 4,444 9 View

Active site of the protein: how much can it be changed before losing function?

How much spatial change can amino acids of protein's active site withstand before being unable to perform protein's function? We can, for example, compare X-ray or NMR structure of protein with...

16 November 2016 4,954 3 View

What may be the result/product when curcumin react with aniline or any other amine compound?

Could you please answer for what may be the result/product when curcumin react with aniline or any other amine compound, pls suggest some references if possible. Some of researches are found as...

07 May 2016 286 4 View

Can anyone suggest to me any antimicrobial activities of manganese oxide nanoparticles?

10 March 2016 3,709 3 View

Polyaniline composite with TMA, DMA and MA?

Polyaniline-based composite on GCE used for trimethyl, dimethyl and methyl amines through CV. In the case of TMA and MA the peak height was increased with increasing concentration, whereas DMA...

09 January 2014 9,090 3 View

What is the relation for entrance length of magnetohydrodynamic flow for rectangular channels?

I need some help to find out empirical relation for entrance length in channel flow in terms of Hartmann number and Reynolds number. As far as I know it is proportional to Ha/Re. I think the...

04 December 2013 5,748 3 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View