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

Is publication political, who you know or consequent to genuine quality?

For creative writers only. I had a student who although published abroad could not get published in the UK. Although her detective novel was published, she was told by a male agent that only male...

05 July 2020 1,933 41 View

YAMC can be used in the endothelial cell tube formation assay?

YAMC (conditionally immortalized mouse colon epithelial cell line) can be used in the endothelial cell tube formation assay in the study of in vitro study of angiogenesis?. Appreciate your...

02 June 2020 7,318 2 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

Are the morals (sic) of a writer, artist or scientist part of their overall assessment?

Does it matter if Picasso was driven by destructive maschismo in his relationships, Oscar Wilde employed rent boys, Einstein was promiscuous (maybe) when heralding their different achievements?...

07 April 2020 1,410 6 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

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

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

Is is possible to pole with corona poling pellets of the sample material instead of thin films?

As it is highly probable that pellets will have a higher degree of air gaps and voids than thin films, is it possible to pole the samples with corona poling nevertheless? Or is there the...

24 February 2021 1,349 1 View

To date, according to health authorities, 30% of the population's diseases are initiated by drinking water pollution. Do you know this problem?

The main studies are as follows: * regular and timely receipt of information about the state of the environment using automated systems (stationary and mobile); * operational analysis of the...

23 February 2021 912 5 View

Have you ever experiencing air vent trouble in fermentation process?

Dear all, My research group is currently working with a 12-litre fermenter. Somehow, if we do the fermentation for more than 20 hours, the process will be more prone to contamination. Our current...

23 February 2021 1,908 2 View

Help with assigning pressure boundary conditions in FLUENT on a large structure?

Hello, I created a very tall tower (>1000m) and applied pressure boundary conditions at the inlet (bottom) and outlet (top) that correspond to the pressure are their relative altitudes....

22 February 2021 9,972 4 View

How COVID-19 has affected mental health?

The pandemic has led to depression and anxiety and its negative effects shouldn't be ignored. However, it has also led some people to become more resilient! What do you think? Thank you.

21 February 2021 4,733 19 View

What type of pressure sensor are usually used in microfluidics?

My team is designing a dual channel microfluidic chip that runs air and water. I think we've decided on the NE1000 syringe pump for it's versatility and feedback control. We will be ordering the...

18 February 2021 9,928 2 View

Not able to charge-discharge Li-ion coin cell at higher C rate ?

I am working on cathode material. I have made different Li-ion coin cell against Li metal using commercial available cathode materials such as LCO,LMO, LFP and NMC and also with the lab...

18 February 2021 1,450 3 View