Author Archives: admin

Which is better Hydro power energy ,or Solar power energy?

I’m doing a science fair project and i need some help. Which is better hydro powerr or solar power. Where I live, there are streams running in the backyard off everyones house. So hydro power is more usful here. What … Continue reading

Posted in solar power energy | 7 Comments

With respect to thermal energy, in the form of radiation from the sun – why does a solar water heater?

i: use copper pipes ii: have a black surface iii: has a large suface area 1/ Copper is a good heat conductor (which is a reason not to use it!). But it is:- easy to work with, relatively cheap, and … Continue reading

Posted in solar thermal energy | 3 Comments

Solar energy that makes it to Earth’s atmosphere is transformed to thermal energy.Thoroughly explain how.?

This is an extra credit i really need please help it would be very helpful!!!! The simple answer is through electromagnetic interaction. The photon energy of the incoming radiation is transferred in whole or in part to atoms in the … Continue reading

Posted in solar thermal energy | 2 Comments

How is Solar Thermal energy used?

Is this energy resoure used in Australia? and if so to what extent? (Is it a large-scale energy resoure, or just used on a small scale? Where in Australia is it used – accross most of the country or only … Continue reading

Posted in solar thermal energy | 1 Comment

How does solar energy help power the motion of water in Earth’s oceans?

Solar energy is the driving force of weather on Earth. In the water cycle, the sun is responsible for evaporation of ocean water. If you have anything to add or if I am wrong please correct me. Thank you in … Continue reading

Posted in solar power energy | 2 Comments

Where can I find the solution manual for Solar Energy Engineering: Processes and Systems?

I have been assigned a TA for solar engineering class. I am looking for the solution manual for Solar Energy Engineering: Processes and Systems. Can anyone please help me locate this or know of someone I can contact? Thank you. … Continue reading

Posted in solar energy systems | 1 Comment

Is solar Photovoltaic energy is good investment ROI?

ROI is all over the place … what is that actually mean ? It’s like a low yield bond, you’ll make a return but if you had just continued living on the grid for another couple of years and then … Continue reading

Posted in photovoltaic solar energy | 5 Comments

What do the batteries to store solar energy contain?

I am told batteries for storing solar energy contain cadmium and small amouts of mercury. Is this true? what else do they contain? These are your best bet for solar energy batteries, most are just simple car batteries. If you … Continue reading

Posted in solar energy | 4 Comments

Need solar energy solution?

I am the president of Society in Delhi/Mehrauli. We have around 30 CFL of 15 W each. By that way the total consumption is around 450W. I want to bring to bring them on solar enery. Could you please the … Continue reading

Posted in solar energy society | 3 Comments

What is the best energy out of wind, solar, hydro, nucular, coal, geothermal("heat"), waves or tides?

I need to know what is the best energy out of wind, solar, hydro, nucular, coal, geothermal ("heat"), waves or tides before tomorrow so plz tell me and don’t say none of them are more good than the others cuz … Continue reading

Posted in wind solar energy | 5 Comments