solar-powered aircraft Articles

  • Entropy generation metric for evaluating and forecasting aircraft energy management systems

    A general Entropy Generation Minimisation (EGM) technique is applied to analyse the feasibility of energy recovery from aircraft avionics via thermoelectric (TE) devices. In employing this approach, a suitable control volume definition is chosen to evaluate the impact of an energy recovery system on the overall entropy generation of the aircraft over a mission. Only those systems which are ...

    By Inderscience Publishers

  • NNI Publishes Supplement to President`s 2016 Budget

    The National Nanotechnology Initiative (NNI) published on March 11, 2015, its supplement to the President’s 2016 budget submitted to Congress. NNI states that the supplement serves as the NNI annual report. According to the annual report, in 2014, federal agencies invested $1.57 billion in ...

    By Bergeson & Campbell, P.C.

  • Strong Magnets: The faith of Green Futures

    It is the story of the day when lodestone was discovered.  Amazing wonder surrounded among the people through seeing the surprising attraction of the metal. Every eye and mind is curious to know more about this material. It is only the most advanced modern technology, which unlocked the secrets of the fact and focus on the phenomenon. After a long years of effort now scientist is able to ...

    By Stanford Magnets

  • Why airlines keep pushing biofuels: They have no choice

    The number of global fliers is expected to more than double in the next two decades. In order to carry all those extra passengers, airlines are turning to a technology very few can make work on a large scale: converting trash into fuel. They have no other choice. As people in countries such as China, India and Indonesia get wealthier they are increasingly turning to air travel for vacation or ...

    By Associated Press

  • Offshore Wind Development Picking Up Pace

    Wind power is the world’s leading source of renewable electricity, excluding hydropower, with 238,000 megawatts of capacity installed at the start of 2012. Thus far, almost all of this wind power has been tapped on land; worldwide just 4,600 megawatts of offshore wind farms were operating as of mid-2012. Offshore wind capacity is growing quickly, however, expanding nearly six-fold ...

    By Earth Policy Institute

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