One Planet Archives

Solar Tower – renewable energy green global warming

Sunday, June 6th, 2010 at 5:29 pm  
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EnviroMission Limited (www.enviromission.com.au) produced this 5 minute video on the pilot plant in Spain. It is an older video (2000) but gives a decent understanding of the solar tower concept. EnviroMission, Ltd. (US Market: EVOMY, Australian Exchange: EVM) is a renewable energy developer of sustainable “green” energy solutions for the energy market. EnviroMission aims to be one of Australia’s leading producers of clean renewable energy. EnviroMission holds the proprietary rights to Solar Tower technology, a large-scale renewable energy technology based on simple fundamentals of physics — hot air rises. Solar Tower technology has the potential to offer competitive renewable energy with equal reliability to fossil fuel generators. A single 200MW Solar Tower power station will provide enough electricity to power around 400000 households. The energy output will represent an annual saving of more than 1960000 tonnes of greenhouse CO2 gases from entering the environment when compared to brown coal emissions in Victoria. The greenhouse savings equate to the removal of approximately 500000 cars from the road. The Australian Solar Tower project consists of six distinct phases, the first two of which (project optimization and pre-feasibility commercialization) have already been completed. The third phase (final feasibility), paving the way for the implementation of the next three phases (final design, construction, and commercial operation).


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Could a planet orbit around more the one sun?

Sunday, June 6th, 2010 at 12:49 pm  
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Could a planet orbit around more the one sun? I mean, there are all these SF shows that show planets having 3 suns or more. And I know that astronomical objects usually orbit around the "heaviest" object around them. Like the moon to us, and we to the sun. Also, if multiple suns are really close one to another won’t they collide or something?


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Solar Energy Power

Sunday, June 6th, 2010 at 11:01 am  
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www.SolarEnergyDelivers.com learn how you can use solar energy power to zero out your energy bill, water your animals, and a host of other useful projects. Download a FREE e-book filled with tips on solar energy power when you visit our site.


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How does one find the mass of a planet using the radius and satellite orbit?

Saturday, June 5th, 2010 at 11:42 pm  
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We have discovered a new planet whose very small satellite had an orbital period of 16 days. If the eccentricity of the satellite’s orbit is zero, and the average radius of the satellite is 1.3 million kilometers, determine the mass of the new planet.


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Spherical Solar Energy : DigInfo

Saturday, June 5th, 2010 at 9:34 pm  
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DigInfo – movie.diginfo.tv In the search for alternative energy Clean Venture 21 have developed a new spin on solar. Their Spherical Silicon Solar Array are made from silicon spheres 1mm in diameter which sit in a reflector which is 2.2 to 2.7mm in width. The sphere catches and stores the incidental light on its n-Si (or sphere surface) and transfers it to the p-Si (its internal sphere) which is in turn connected to a p-electrode. Clean Venture 21 also utilizes traditional flat-type arrays as well. “These cells here are in a 5cm x 15cm formation- each individual cell has a 1mm silicon ball inside it and it has an overall efficiency conversion rate of about 10%. In other experiments we have had efficiency rates of about 12%. Very soon we’d like to achieve 13 to 14% rates.” The benefits of their Micro condensing type spherical silicon solar array is that it’s 5 times cheaper to make, uses 5 times less material, and requires half the energy to reproduce than its contemporaries.


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