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

Why the results when using wall thickness and when using shell conduction are different in ansys fluent?

Actually, I am running cfd simulation for a heat exchanger which has two fluids one hot and other one is cold fluid. there is a solid domain between them, which I removed and instead I have used...

01 March 2021 9,537 2 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 calculate the annealing temperature of a primer pair?

I have to amplify a gene and my primers just reached. The Tm for Forward primer is 64.2, and that of reverse primer is 65.5. Can some one suggest how to get the best annealing temperature? Thanks...

01 March 2021 360 7 View

Does anyone know to clarify these changes?

01 March 2021 1,290 2 View

What is recommended for solid domain in ANSYS FLUENT?

Should I mesh the solid domain ? or should I use wall thickness? or Shell conduction? for Heat Transfer between two fluids of a Heat Exchanger. what is recommended?

01 March 2021 9,785 3 View

Can Virtual Servers (remote dekstop manager) run heavy ANSYS Fluent CFD simulation ?

I have a virtual machine. My host Pc specs are not that good thats why i went for virtual servers. so basically my host pc has 8gb of ram with nvidia quadro k2200 4Gb DDR5 GPU ,processor intel...

01 March 2021 8,415 1 View

The reason that the culture of white fungi Contamination with green mold(Trichoderma), the culture autoclave at121 for 15 min. What is it?

Is the period to autoclave not enough? The inoculation in a hood and flame and UV and alcohol.

27 February 2021 9,356 3 View

How to include original NMR data in a manuscript?

hello. i am junior researcher. I received a comment from a reviewer that he could not find NMR data in my submitted paper. I had included the NMR graph with explanation and formula to calculate...

27 February 2021 734 4 View

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

Should I make 2 helical antennas? One for 2.4 GHz and another for 5.8 GHz?

Should I make 2 antennas, one for 2.4 GHz and one for 5.8 GHz? How should I approach the problem if I want to design the antennas which cover 400 and 900 MHz and 2.4 and 5.8 GHz? All together in...

26 January 2021 906 3 View

Control in microstructure with growth inhibitor?

Dear researchers, I wish to understand the role of grain growth inhibitor in controlling the microstructure of the ceramic pellet. How it controls the growth? Also, I wish to know the grain...

15 January 2021 3,859 3 View

How to relate relaxation time values obtained from different equation?

I tried to fit the frequency vs Dielectric constant and f vs Dielectric Loss graph with HN equation. I got different Tau (relaxation time) values from the fittings of both graphs. What I have to...

12 January 2021 8,467 6 View

Which variables can be used to increase/decrease the grain size of czochralski-grown polycrystalline silicon?

Which variables (such as pull speed, melt temperature, annealing temperature/duration, cooling rate, etc.) affect the grain size of czochralski-grown polycrystalline silicon? In what direction...

10 January 2021 2,204 6 View

What is the value of dielectric constant and mass of electron and hole for calculation of band gap of ZrO2 nanoparticles using Brus relation?

We have synthesized the ZrO2 nanoparticles through wet chemical method. To come to conclusion ZrO2 is direct or indirect band semiconductor. We need to calculate band gap using Brus formula....

26 December 2020 1,471 4 View

Is grain boundary scattering 'always' dominant over surface scattering in grained metal/semiconductor thin films?

Hi all, I was wondering if there is some theoretical insight in the relative contribution to the resistivity of grained thin metal or semiconductor films coming from bulk grain boundary...

18 December 2020 2,969 3 View

How to segregate electrode-dielectric and dielctric-dielctric interface polarization after Capacitance VS Freq. measurement using impedance analyzer?

After measuring the capacitance vs frequency for my MIM capacitor consisting of alternate layers of TiO2 &Al2O3 , there is a rise in capacitance value of ~ 20-160 nF at 100 hz, starting to...

17 December 2020 7,786 3 View

How to estimate the effect of nematodes on some varieties of wheat?what are the correlation possible to do ?

Hi , I carried out a test on the behavior of some varieties of durum wheat with respect to the CCNs, two successive years, in pots, and I inoculated with the same number of cysts (Pi), at the end...

05 December 2020 7,187 3 View

Do anyone know a lab in Mexico where dielectric properties of solids and liquid can be measured?

I mean those kits that can be connected to vector network analyzers in order to find out permittivity and permeabilitty of solid and liquid from around 1 to 10 or 30 GHz

25 November 2020 852 1 View

What is the dielectric constant(Real and Imaginary parts ) of MASnI3 for 300 to 1200nm wavelength?

What is the dielectric constant(Real and Imaginary parts ) of MASnI3 for 300 to 1200nm wavelength? as I need it for Perovskite solar model design in Comsol Multiphysics

25 November 2020 1,350 1 View