The physics origin of the hierarchy of bodies in space
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© 2016 AIP Publishing LLC. Here we show that bodies of the same size suspended uniformly in space constitute a system (a "suspension") in a state of uniform volumetric tension because of mass-to-mass forces of attraction. The system "snaps" hierarchically, and evolves faster to a state of reduced tension when the bodies coalesce spontaneously nonuniformly, i.e., hierarchically, into few large and many small bodies suspended in the same space. Hierarchy, not uniformity, is the design that emerges, and it is in accord with the constructal law. The implications of this principle of physics in natural organization and evolution are discussed.
Published Version (Please cite this version)10.1063/1.4941986
Publication InfoBejan, A; & Wagstaff, RW (2016). The physics origin of the hierarchy of bodies in space. Journal of Applied Physics, 119(9). 10.1063/1.4941986. Retrieved from https://hdl.handle.net/10161/15199.
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J.A. Jones Distinguished Professor of Mechanical Engineering
Professor Bejan was awarded the Benjamin Franklin Medal 2018 and the Humboldt Research Award 2019. His research covers engineering science and applied physics: thermodynamics, heat transfer, convection, design, and evolution in nature. He is ranked among the top 0.01% of the most cited and impactful world scientists (and top 10 in Engineering world wide) in the 2019 citations impact database created by Stanford University’s John Ioannidis, in <a href="https://urldefen
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