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2017 | 07 |
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Evaporation channel consumes hundred times more solar power than the winds over the globe

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EN
Abstrakty
EN
The free convection of the water and air over the globe induces evaporation of standing water and the generation of wind, respectively. The ratio of the corresponding heat transfer coefficients is shown to be equal to the ratio of solar power going into evaporation/precipitation and into wind generation. The present work provides a justification for the estimate on wind power reported by M. King Hubbert and also that wind generation on a global scale is about two-order magnitudes less than the solar power responsible for rainfall. This paper resolves the existing ambiguity in the estimates of wind power over the globe.
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-
Rocznik
Tom
07
Opis fizyczny
p.42-48,ref.
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autor
  • Department of Farm Engineering, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi - 221005, India
Bibliografia
  • [1] D. C. Agrawal. Thermodynamics of solar energy channels over the globe. Lat. Am. J. Phys. Educ. 6, 225-230 (2012).
  • [2] D. C. Agrawal. Average annual rainfall over the globe. Phys. Teach. 51, 540-541 (2013).
  • [3] Craig F. Bohren. Why do objects cool more rapidly in water than in still air? Phys. Teach. 49, 550-553 (2011).
  • [4] M A Barranco-Jimenez and F Angulo-Brown. A nonendoreversible model for wind energy as a solar driven heat engine. J. Appl. Phys. 80 (9), 4872-4876 (1996).
  • [5] Jeff M. Gordon and Y. Zarmi. Wind energy as a solar driven heat engine: A thermodynamic approach. Am. J. Phys. 57, 995-998 (November 1989).
  • [6] David Halliday and Robert Resnick, Fundamentals of Physics (John Wiley and Sons, New York, 1988) Appendix C.
  • [7] Jack P. Holman, Heat Transfer, 10th ed. (McGraw-Hill, New York, 2010) p. 11, 327, 332-334, 658, 662.
  • [8] Joseph L. Mulligan and H. Gerhard Hertz. An unpublished lecture by Heinrich Hertz: On the energy balance of the earth. Am. J. Phys. 65, 36-45 (1997)
  • [9] Mark Z. Jacobson, Mark A. Delucchi. Providing all global energy with wind, water, and solar power, Part I: Technologies, energy resources, quantities and areas of infrastructure, and materials. Energy Policy, Volume 39, Issue 3, March 2011, Pages 1154-1169, https://doi.org/10.1016/j.enpol.2010.11.040
  • [10] Ulf Herrmann, Bruce Kelly, Henry Price. Two-tank molten salt storage for parabolic trough solar power plants. Energy, Volume 29, Issues 5–6, April–May 2004, Pages 883-893
  • [11] R. Chedid, S. Rahman. Unit sizing and control of hybrid wind-solar power systems. IEEE Transactions on Energy Conversion, ( Volume: 12, Issue: 1, Mar 1997 ), 79 – 85, DOI:10.1109/60.577284
  • [12] Peder Bacherm Henrik Madsen, Henrik Aalborg Nielsen. Online short-term solar power forecasting. Solar Energy, Volume 83, Issue 10, October 2009, Pages 1772-1783, https://doi.org/10.1016/j.solener.2009.05.016
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Bibliografia
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