How to calculate daily extraterrestrial solar radiation from instant solar radiation?

More Waqar Ar's questions See All

Can cosine of solar zenith angle be negative?

I am trying to find the cosine of sun elevation angle on slope terrain, I found the values between -0.9 to 0.9. Should the value be set to 0 - 0.9 or the negative value acceptable?

24 December 2020 4,027 4 View

Interpretation of Probit in Propensity Score Matching (PSM)?

Is it necessary to interpret the results of Probit while using Propensity Score Matching (PSM) for impact evaluation?

30 November 2020 8,796 1 View

Exergy destruction mathematical calculation in kW?

somebody, please elaborate on how to calculate exergy destruction in kW units. from Aspen HYSYS I found mass exergy with kJ/kg unit and i don't know how to calculate it by using Aspen HYSYS and if...

25 November 2020 2,675 3 View

How to coat oleic acid on fe3o4 nanoparticles and yo confirm visually?

I made iron oxide nanoparticles via co-precipitation method and obtained a brown colour slurry with neutral pH and I did ex situ coating of oleic acid on nanoparticles and washed it with ethanol...

10 November 2020 5,911 4 View

How to get labels from synthetic dataset?

I have synthetic dataset, but I don't how to get labels from this dataset. Need helpful suggestions and advices. Thanks a lot in advance.

10 November 2020 5,167 3 View

Any suggestions of SCI Free Journals (and Robust) for Heart Disease using deep learning ?

I am pursing the Ph.D. in Prediction of Functional Recovery of Patients with Heart Disease, I want to know any science citations index is free to publish the Heart disease using deep learning.

08 November 2020 398 4 View

How to confirm coating of oleic acid without using any XRD,SEM,FTIR???

I made iron oxide nanoparticles via co-precipitation method and obtained a brown colour slurry with neutral pH and I did ex situ coating of oleic acid on nanoparticles and washed it with ethanol...

28 October 2020 1,802 3 View

What are the parameters to assess the effectiveness of online teaching?

Assessment of online teaching

22 October 2020 2,897 23 View

What is the Minimum Sample size requirement for EFA? I have 8 variables (56 Items)...Thanks?

I am working on validating Multi-Dimensional scale, total variables are 8 with total 56 items, how much sample size is required to run Exploratory factor analysis?

10 October 2020 298 6 View

Can SDS breaks protein dimer formed by H-bonding with protein:SDS ratio of 4:1 ?

I am doing SDS-gel non-reducing for protein sample. Sample preparation include mixing LDS sample buffer (similar to SDS) with protein sample in 1:4 ratio followed by heating at 80 degrees for 10...

26 August 2020 2,660 3 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

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 Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 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

How to design a boost converter for a mppt controller?

I have a doubt on how to select the inductor and capacitor value when I want to implement MPPT controller. This is because we always take a maximum output voltage and current but in this case, we...

28 February 2021 3,637 2 View

How to sample data to increase presence of solar panels in the images?

I am working on creating deep neural network on geospatial dataset and wanted to know how to do the sampling so that I can increase the presence of solar panels in the images. I cannot use entire...

25 February 2021 3,936 6 View

Suppose we have a banana seller cart consisting of 4 wheels, weighing about 300 kg. How much torque motors are needed to pull of push it electrically?

I am thinking of electrifying the street food carts while harvesting energy using solar panels on top.

22 February 2021 4,323 3 View

Gallium Antimonide (GaSb). Can anyone help me to find vendor (provider) to sell GaSb solar cell ?

I am searching of provider (GaSb), I only found this one (https://jxcrystals.com/wp/about/). Can anyone help me?

21 February 2021 1,945 2 View

Omar H. Alzoubi

Dear Waqar,

follow this link, you will find very educative material :

https://www.pveducation.org/pvcdrom/properties-of-sunlight/solar-radiation-outside-the-earths-atmosphere

Good luck

Parisa Mohebbi

Follow this link. Its contents may be useful.

https://www.sciencedirect.com/science/article/pii/S0074614208606774