Question by : Some PV Solar Energy calculation problems?
Hi guys i am having trouble with the following questions that’s due soon, it would be great if anyone out there could help me (please include any worked solutions, step by step, and state any formula used not just the answers): =)
Q1. Australia uses about 229 TWh of electrical energy every year. Assuming the annual averaged solar area power density in NSW is 300 W/m2 and assuming a 10% conversion efficiency for the solar cells, calculate how many square meters of solar panel would be required [...]
by Mr Ush
Question by : Where are some famous wind turbine farms around the world?
Best answer:
Answer by LauraWellington, NZ
Add your own answer in the comments!
Question by Smile: Just before Albert Einstein’s death, what were some of his last studies involving new energy sources ?
I heard that he was working on a new energy source near the time of his death. Therefore is was never completed. What was this energy that he was working on ?
Best answer:
Answer by CordellIdk but what else do you know about Einstein and other scientist, try this:
http://answers.yahoo.com/question/index;_ylt=Avec68mIjYU.5uLmziAyzM3sy6IX;_ylv=3?qid=20080212091519AAhYvko
Give your answer to this question below!
Question by LQQKIN_AT_U2: where can i find info for a DIY home solar energy without having to buy some fancy kit?
Best answer:
Answer by Whatever2UYou can go to A HARDWARE STORE to see if they have solar panels.If they do,take heed:you need to replace its battery about every 8 to ten years, and they cost a good several hundred dollars(my best guesstimate would probably be around 800 to 900 dollars)
Add your own answer in the comments!
by Takver
Question by : what are some interesting facts of solar energy?
Best answer:
Answer by Millyit’s a renewable energy source. the amount of sun that hits the us in one day is enough to feed the nation with a year and a half’s worth of power. they’ve made solar ovens, solar cars, solar planes, etc.
Know better? Leave your own answer in the comments!
Question by Ubi: What are some companies that build wind turbines?
Name all the companies that you can think of that put together and install wind turbines.
Also, bonus points if you can name a few companies that manufacture the indivdual components.
Components like:
* generator
* tower
* blades
* gearbox
* power electronics / control system
Oh, and I’m talking the large guys… at least 0.5 MW or above.
Best answer:
Answer by WawaI found the following website:
http://www.dmoz.org/Business/Energy/Renewable/Wind/Turbines/Large/
It lists too many companies to name here. Some majors: General Electric, a European company called Vestas, Nordic Windpower.
What do you think? Answer below!
