What is the most common adopted method of cooling of a power transformer ?

More Yousaf H. Khattak's questions See All

I need Coronary Angiogram Images for Coronary Artery Disease detection?

I need Coronary Angiogram Images(CAI) publically available dataset. Coronary Artery Disease (CAD) is a condition of the heart due to atherosclerosis. Atherosclerosis is the narrowing of arteries...

07 December 2020 6,470 3 View

Can satellite spectrum be reused indoors for D2D communication?

Cognitive radios can help to share the spectrum among different networks, both satellite and terrestrial. Is it possible that we use the satellite spectrum for D2D/IoT communication in an urban...

28 August 2020 8,228 7 View

How can i model spherical gold nanoparticle in scaps-1d?

I am studying and doing research on the solar cell with different nanoparticles using SCAPS-1D for simulation. Can I model spherical, conical and cylindrical shape nanoparticles in SCAPS-1D?

27 April 2020 7,298 8 View

Mobile Edge Computing SImulator?

So for starters, how can we create a web-based API for creating a web-enabled simulator for Mobile Edge Computing

11 March 2020 9,793 3 View

How many types of statistical tests can be applied on fish geometric morphometrics?

I am working on fish geometric morphometrics using truss network. I have fishes of one species from two sites. I have applied Principal component analysis PCA on the data to extract components....

24 February 2020 2,210 6 View

Do anyone have any document/ file/ link for complete manual for morphometric characters using landmarks in TRUSS network?

I am interested to determine the morphometric characters of fish using TRUSS network system. Can anyone please suggest me the software and theirs manual to make landmarks and determine the...

16 January 2020 9,345 4 View

How do we find Chemical Composition & Structure of unknown Polymer Material?

Greetings, I am a newbie in research and would like to ask about how do we find out the chemical "Composition" and "Structure" of a polymer material by using any accurate characterization...

23 December 2019 6,709 4 View

BandGap of CuS composite is higher than its bulk CuS, Why?

Greetings, I synthesized the composite of CuS with another material and tested its performance against organic dyes under visible light. It composite worked very well under visible light. But...

07 December 2019 9,216 3 View

Can we sterilize salt like potassium dichromate by autoclaving?

Can we sterilize salt like potassium dichromate by autoclaving with other medium for bacterial growth? Or it may be degraded at high temperature? Need your suggestions. Thank you.

20 October 2019 9,018 2 View

Wavelet Transform of Time Series Data using Matlab?

I am working on a project where I have to collect real time data of dc drives using harmonic analyzer and then have to analyze the data using wavelet transform using Matlab to find inter-harmonics...

10 April 2019 6,804 7 View

How two melting peaks in DSC of polypropylene can be merged into one crystallization peak?

The figure shows DSC cooling (blue) and 2nd heating (green) curves (step: 10 K/min) for a commercial sample supplied as Atactic Polypropylene (APP). The heating curve illustrates two major...

03 March 2021 5,857 3 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

How to perform statistical analysis of coefficients extracted from transform techniques?

I am studying the potential of DCT and FFT coefficients extracted from a signal to classify the different objects that emit the signal. I applied the Shapiro-Wilk to confirm that data was not...

01 March 2021 8,079 2 View

Necessary tube lenght to cool Natural gas in a dry-ice cooling bath?

I have a tank which contains natural gas at 250 Bar and 293 Kelvin. I want to cool the gas in a dry-ice cooling bath to about 195 Kelvin. The gas will flow in a copper-tube through the bath with a...

27 February 2021 8,128 1 View

Exit velocity of natural gas from pressurized tank?

Hi Guys. I'm a mechanical engineer and have a bit trouble, would be very glad if you could help me with my questions. I have a pressurized tank which contains Natural Gas at 200 Bar and 293...

26 February 2021 6,253 3 View

How can I verify my centrifugal fan design for electric motor cooling?

I have radial blade centrifugal fan design which will be mounted on exhaust side of electric traction motor. The fan will be mounted on same motor shaft inside the housing. How can I verify that...

23 February 2021 2,390 3 View

Any interests in participating to an experiment in space?

Hello, The UN Office of Outer Space Affairs has a program called access to space for all that enables institutions to have hands on expertise related to access to space. There are three elements...

22 February 2021 7,980 3 View

Thermal and mechanical properties of concrete and steel after cooling?

How do the thermal conductivity, specific heat capacity, plastic strain, critical compressive displacement, and thermal expansion of both hot-rolled steel and concrete change after cooling based...

15 February 2021 1,385 5 View

What could be the cause to have an E.coli DH10B transformed with pUC18 to grow in MKL + ampicillin but is not LAC+?

Hello everyone, I did a transformation of E. coli DH10B using pUC18 plasmid. The bacterias did grow on MKL medium with ampicillin but the colonies showed a white/pink colour and the medium was...

08 February 2021 9,720 3 View

Can I know how to apply contourlet transform for signals in MATLAB?Must I first convert 1D signal to 2D image in order to do this method?

01 February 2021 3,735 3 View