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Questions related to Solar
After one rainy season in Bangladesh the 18/8 A2-70 stainless steel bolts and nuts of a solar installation were covered by a 0.1 mm thick porous black oxide layer. what is a probable cause...
14 December 2021 2,319 4 View
In evacuated tube solar water heater i am using paraffin wax as PCM between absorber tube and finned heat pipe in core of tube. I have to calculate mass fraction of solid and liquid phase of PCM...
14 December 2021 308 5 View
Hi, I am trying to calculate the NOCT data from STC values. All temperature coefficients are available. The calculation for Pmpp is straight forward. However, I would like to know the equations...
06 December 2021 8,576 11 View
Hi! I am using solar load model in openfoam, with simpleSolarCar as my base case. I have used only solar load model and not applied any other radiation model like view factor or fvDOM with it. I...
26 November 2021 5,525 1 View
That is, what parameters and indicators do they consider when they want to evaluate that a converter is better? Do these indicators have minimum values as standard?
12 November 2021 2,635 2 View
Hi everyone, I am analysing solar irradiance data measurements and wondering if there are minimum and maximum thresholds? I would appreciate for your kind input and any recommendation of...
09 November 2021 3,098 8 View
I want to calculate the total annual capacity of solar system of a specific area.I have air temperature,solar radiation,wind speed of this area. Is there any mathematical formula to calculate...
06 November 2021 7,616 7 View
Solar Paint technology:- Solar paint, also known as photovoltaic paint, is exactly what it sounds like! It’s a paint that you can apply to any surface that will capture energy from the sun and...
01 November 2021 1,877 4 View
We know when two metals are placed togather electron transfer from metal with lower work function to that with lower work function. What may be the possible reason for this?
31 October 2021 2,639 3 View
I'm reaching out because I wanted to know what are some possible pitfalls if a user wants to create two separate strings to drive a grid-tie inverter as an alternative use of the solar water...
26 October 2021 1,089 3 View
Hi, I am trying to calculate what could be an ideal spacing between PV panels that are oriented towards east/west or a combination of east-west on a flat roof. Most of the guidelines or rules are...
15 October 2021 5,788 6 View
At 10am, the view of the sun from your solar farm is obscured by thick cloud. The DNI drops to 300 W/m2 and the diffuse irradiance is 150W/m2. Your panels are oriented due south and mounted at a...
13 October 2021 982 3 View
i made a Teflon apparatus for one side etching of silicon and it has stainless steel nut bolt to tight the apparatus, will stainless steel withstand in TMAH solution?
13 October 2021 1,607 3 View
its part of project work but i cant find articles regarding the same matter
06 October 2021 955 3 View
I am trying to get the incident radiation (w/m2) inside a batch reactor exposed to solar radiation. I know that actinometry with potassium ferrioxalate is the most applied in the characterization...
05 October 2021 2,379 2 View
Do solar panels work better on high temperature, like if a flat mirror is use in order to direct more insolation on the panel, what will be effected more, the voltage or current
04 October 2021 2,253 8 View
We have a variable load which is connected to a pv panel via a boost conveter. As depicted in the figure, the controller controls the output voltage, and doesn't grant mppt. What happens when the...
02 October 2021 2,842 1 View
I have simulated a solar pv model using PSCAD and I have modelled a lightning current waveform as well. Both these models run properly when ran as separate projects. However, when I inject the...
27 September 2021 3,824 3 View
I have tried to calculate the efficiency of a DC-DC boost converter by changing irradiation levels. My solar array is tracking the right maximum power with the help of MPPT irrespective of any...
17 September 2021 8,695 3 View
Dear researchers, is there anyone who know the chemical exergy amount of "Molten salt" (60NaNO3_40KNO3) which use in the solar towers.. .
16 September 2021 7,381 3 View
What are the difficulties or problems faced during installations by manufacturers and farmers as well as during the operation of the solar water pumping systems in different climatic...
15 September 2021 1,338 3 View
Hello Everyone, I am looking for software that can simulate heat generated from solar radiation using reflectors. I am working on a project that works similar to solar tower technology. It would...
08 September 2021 558 4 View
I am working on sunlight collection using Fresnel lens. I am not using a solar tracker to track the sun. But I would like to know at what position the Fresnel lens is parallel to sunlight. is...
08 September 2021 271 3 View
Hi. I want to plot a time series graph of Soft X-Ray flux (W/m^2) versus Time. But, I encounter some problem which is did not find the raw data of solar flare from any websites. The data that i...
07 September 2021 2,606 3 View