How can I interpret the values of zero-sequence impedance in the pic. and use them for short circuit current calculus in a 3winding power transformer?

I have a three winding power transformer with the zero-sequence impedance values given in the picture. I need to model those in a equivalent circuit for simulation purposes.

23 December 2020 3,866 1 View

How to Interpret Box Plot IQR?

I have a unidimensional marital satisfaction scale (Johnson, Zabriskie, & Hill, 2006) with five items. My sample was 194 married individuals, and using the data from my sample, I wanted to...

29 September 2020 6,595 3 View

How can i dissolve curcumin in ethanol (% of ethanol?) for antimicrobial test ?

I want to test the antimicrobial properties of curcumin, is ethanol the best solvent? if yes what is the least percent concentration i can use to dissolve the curcumin powder?

21 September 2020 5,890 5 View

Should we include 2 clinically correlated variables (Correlation constant = 0.8) in the same Multi-linear regression model?

I am currently studying the effect of atrophy of a muscle on the clinical outcome of joint injury. There is actually another muscle that was previously well established to have an effect on...

06 September 2020 9,986 7 View

Do you think that schools could resume quickly after the lockdown period due to the emphasis on social distancing, following the Covid-19 pandemic?

It may be difficult for schools to resume immediately after the lockdown period as a result of the emphasis on social distancing rules, following the Covid-19 pandemic?

27 April 2020 9,766 96 View

How does one compute energy eigenvalues in atomic unit?

please find attached question Thank you

20 April 2020 4,025 9 View

How to take advantage of the social isolation generated by COVID-19 to boost the transition from face-to-face education to remote education?

The isolation generated by the COVID-19 pandemic has forced most of the world's universities to choose remote or virtual classes. In the case of engineering programs and other programs where real...

28 March 2020 2,350 57 View

In which powder bed fusion equipments have been implemented the skywriting scan strategy?

25 March 2020 8,679 4 View

Is it possible to reduce energy consumption without affecting human well-being?

Climate change is a reality. Responsible for this change is the excessive concentration of CO2 in the atmosphere, mainly due to the requirement of electricity at the residential, commercial,...

13 February 2020 8,805 12 View

How to estimate charge transfer and polarization resistance in a battery?

Hi. I have performed many EIS experiments using a cylindrical battery at different temperatures and state of charge. Some results (near SOC=0) are as the attached figure. How can I find the...

08 July 2019 1,746 2 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

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

Any specific pipeline or parameter to analyse total transcriptomics study of brain tissue samples?

I have two groups of brain samples, control and treated for example. It was total RNA nova seq sequencing. I tried all the available pipeline like: star+rsem+deseq2, Hista+stringtie+cuffdiff,...

27 February 2021 356 6 View

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View

Has anyone used the Illumina ITS1 primer sets?

Hi everyone, Illumina provides a list of primers to amplify with high taxonomic coverage the ITS1 region for further fungal sequencing, but I cannot find the exact amount necessary of each...

25 February 2021 6,969 3 View

How do you mesh a thin solid in Fluent?

Hello, I have used the shell function on SpaceClaim to create thin solids for the model I am studying. These are contained within an enclosure for my study. I chose this approach as it avoids the...

24 February 2021 8,856 3 View

Can I ask did any good platform or journals for learning the calcluation on the reference governors and command governor?

Recently I face some problems with the mathematical ( calculation) on the reference governor and command governor, so I need some help from you all to get which platform or journal can let me...

23 February 2021 7,746 2 View

Special issue on PLS-SEM in Mathematics. Are you interested?

21 February 2021 5,601 3 View

What is the better software for approximation of 3D surface with equations?

I have a massive of x, y, z coordinates of 2D surface in 3D space, which builded in Ansys HFSS or AutoCAD. How can I get the analitical aproximation of this surface by formulas?

21 February 2021 3,444 7 View

How can I obtain a sine function along a path with known equation?

I have a symmetric airfoil with known equation. Now a sine function passes along the airfoil equation like following figure. I want to find the sine function in (x,y) coordinate system.

17 February 2021 1,594 12 View