Is it possible to have a diffusion of oxygen from the glass substrate (SiO2) into the absorbent layer during annealing process?

02 February 2021 382 7 View

Dear Colleagues, I am looking for a way to dop of electrospining nanofibers on the HEPA filter.Someone can guide me?

Electrospining method is important for production of nanofiber .If doped with nanoparticles ,can be used for remove of contaminant such as VOC , but don't have mechanical strengh . For finding a...

24 January 2021 7,290 3 View

What should be the inner radius for practice coaxial cable mm wave antennas ?

I am trying to make a patch antenna for 28GHz and THz waves, but I m having confusion with the dimension of coaxial feed. wherever I find coaxial cables for millimeter dimensions, only the outer...

21 January 2021 7,119 2 View

I have started to design a Lithium ion battery in Comsol. I need to merge the LIB model with PDEs. any idea how to do that ?

the electrode structure has secondary pore networks , so I need to use different governing equations for the electrodes. I tried to use PDEs , but I have not get any results. Does anybody have any...

02 January 2021 3,225 1 View

Which conference paper to chose for 5g antenna publication?

I need to submit my paper on 5g antenna, I have only done the simulation and have not physically fabricated the antenna. I need to publish the paper soon anywhere. can anyone suggest to me where I...

22 December 2020 6,538 3 View

How many and which spin multiplicities we should choose for optimization the adsorption of O2 gas with metal complexes?

I want to optimize the interaction between the the O2 molecule and a metal nanocluster, but I need to know which multiplicities I should choose?

25 November 2020 716 2 View

Why Hiden mass spectrometer shows wrong percentages after calibration?

Hello every one I was wondering if someone could help me solve the problem that I have with my Mass Spectrometer. Actually I have already calibrated my MS device for a mixture of 60% Ar and 40 %...

19 November 2020 2,984 3 View

Problem with converting FEM code from MATLAB into Python; what is the fastest solution?

Dear all, I developed a hybrid Phase Field-Finite Element Model (PF-FEM) for fracture of electrode particles of Li-ion batteries. [Isotropic & Hybrid] Phase Field-Finite Element Model (PF-FE......

31 October 2020 8,810 1 View

Dimensionless geometry in Ansys Fluent?

Hi Everyone. I have this dimensionless governing equations that I want to solve in Ansys Fluent. But then, in Ansys Fluent, the geometry only dimensional. So my question is, does dimensionless...

17 September 2020 9,096 3 View

Can SDS breaks protein dimer formed by H-bonding with protein:SDS ratio of 4:1 ?

I am doing SDS-gel non-reducing for protein sample. Sample preparation include mixing LDS sample buffer (similar to SDS) with protein sample in 1:4 ratio followed by heating at 80 degrees for 10...

26 August 2020 2,660 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

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 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

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 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

The procedure compute?

02 March 2021 5,204 3 View