What is the average price of 100 W LED street light?

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I am looking for the state-space model of the reduced order model of the IEEE 16-machine 68-node system?

I am looking for the state-space model of the reduced order model of the IEEE 16-machine 68-node system (reduced order model of the New England/New York interconnected system), please see the...

02 March 2018 8,810 2 View

What is the approximate storage capacity available in the world?

If we consider all chargeable devices, that ranges from mobile phones, laptops, electric vehicles, medium storage (example. fly wheel), large storage (hydro storage + compressed air), etc. What is...

02 March 2018 6,323 5 View

How to represent 3D and 4D data in Matlab?

I have two functions; the first is Z=f(x1,x2,x3), and W=f(x1,x2,x3,x4), where x1,x2, x3, and x4 are vectors. Z is three dimension matrix and W is four dimension matrix, what are the possible ways...

01 February 2018 8,108 2 View

What are the fastest IEEE Transactions or high impact factor journals specialized in power and energy?

I would like to know what are the high impact factor journals specialized in the power and energy systems and have very short processing time.

31 December 2017 7,748 14 View

Is the technology destroying our innovation?

When you read an article which was written in 1980s or even in the early 1990s, you usually found that the authors cite no more than 10 references (sometimes no references at all). In 2017 when...

10 November 2017 3,007 18 View

What is the percentage of the DC electric loads?

The number of consumer electronics has increased considerably specially in residential buildings, I would like to know What is the percentage of the DC electric loads? or any research papers...

09 October 2017 9,575 8 View

How could the independent researchers pay for conference and journal fees?

Journal fees.

08 September 2017 8,877 26 View

When writing a book which is preferable?

When writing a book which is better: (1) Write and finish your book completely then submit it to a publisher, or (2) Write the summary and the chapters contents then look for a publisher?

08 September 2017 4,675 5 View

How to make an extensive literature review?

In order to do a good research you must know deeply what have been done in a specific research area. For example in electrical engineering you have to search in IEEE, Science direct and Google....

08 September 2017 5,625 5 View

Is the time really an independent variable?

In all our systems in engineering and science we represent the time as our independent variable, that is x(t). Then we use the great theorems of Lapalace, Fourier, and Lyapunov to analyze and...

08 September 2017 4,737 94 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

What are some of the research gaps in machine learning and artificial intelligence in africa?

i would to know some of the research gaps in the artificial intelligence field in most african countries.

03 March 2021 6,145 3 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 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

Is there any effect of different colours of light (white, red, yellow, blue etc.) on the rate of photosynthesis? If yes, why?

Light is inevitable for the process of photosynthesis reaction. Naturally sunlight plays the vital role for this process. Light may be of different colours like white, red, yellow, blue etc....

02 March 2021 7,890 2 View

Help request in CST microwave?

im working now on TPV solar cells and metamaterials and i realy need our help in CST microwave i have a tpv cell simulation and i want to extract particullarly the absorbtion of only the active...

02 March 2021 2,246 2 View

Anyone found any research papers on solar furnace design calculations (for solar concentration)?

I am thinking about working on solar furnace with heliostats that concentrate sunlight and heat molten salt, but currently no luck with research. Not a lot of papers based on the subject. (check...

01 March 2021 5,023 5 View

How to size battery banks?

I am designing a small grid connected solar PV power-plant. As the battery's capacity is specified in Ah and demand in kWh. What is the best way to size the battery bank? I have battery price in...

28 February 2021 1,638 3 View