Flow: Nature's Patterns: A Tapestry in Three Parts

By Philip Ball

From the swirl of a wisp of smoke to eddies in rivers, and the large chronic typhoon procedure that's the good spot on Jupiter, we see comparable varieties and styles at any place there's stream - even if the circulation of wind, water, sand, or flocks of birds. it's the advanced dynamics of circulate that buildings our surroundings, land, and oceans.

Part of a trilogy of books exploring the technology of styles in nature by means of acclaimed technology author Philip Ball, this quantity explores the elusive ideas that govern circulate - the technological know-how of chaotic behavior.

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There are different principles governing their movement. First, the ants comprehend whether or not they are starting up from the nest or returning to it. actual military ants do appear to be aware of this too, even though it isn't transparent how—if they're made to accomplish a U-turn alongside their direction, they're going to speedy flip back to renew their unique course. moment, the researchers made outgoing and incoming ants assorted in precisely one the most important means: the previous FOLLOW YOUR NEIGHBOUR j 149 Fig. five. 12: The branching raiding trend of E.

Taylor learned that the sport adjustments if, rather than protecting the outer cylinder fixed, we enable that rotate besides. Then the fluid can adventure significant centrifugal forces even if the relative rotation velocity of the interior layer with admire to the outer is small, and so a unique stability of forces will be confirmed. Experiments on a process like this have printed a menagerie of styles, too a number of to teach right here: interpenetrating spirals, wavy vortices, corkscrew wavelets, spiral turbulence.

The sculpture exists purely as a maquette, yet was once meant to be made on a wide scale. (Photo: Athena Tacha. ) sculptor Athena Tacha makes large use of a vocabulary of flow varieties that comes with spirals, waves and eddies—her resource of notion is made specifically specific in a 1977 paintings Eddies/Interchanges (Homage to Leonardo) (Fig. 1. 10), which she proposed as a walkway or perhaps a ‘drive-in sculpture’. the guy WHO enjoyed FLUIDS j 19 Fig. 1. eleven: The fleeting varieties of turbulent fluid flow within the River Taw in south-west England have been captured in night-time pictures by means of the artist Susan Derges.

Nature’s styles This web page deliberately left clean Nature’s styles A Tapestry in 3 components Philip Ball Nature’s styles is a trilogy composed of Shapes, move, and Branches 1 3 nice Clarendon highway, Oxford OX2 6DP Oxford college Press is a division of the collage of Oxford. It furthers the University’s goal of excellence in learn, scholarship, and schooling by way of publishing world wide in Oxford ny Auckland Cape city Dar es Salaam Hong Kong Karachi Kuala Lumpur Madrid Melbourne Mexico urban Nairobi New Delhi Shanghai Taipei Toronto With offices in Argentina Austria Brazil Chile Czech Republic France Greece Guatemala Hungary Italy Japan Poland Portugal Singapore South Korea Switzerland Thailand Turkey Ukraine Vietnam Oxford is a registered exchange mark of Oxford college Press within the united kingdom and in yes different nations released within the usa via Oxford college Press Inc.

Shtrikman, S. , and Stavans, J. , ‘Rotationally prompted segregation of granular materials’, actual evaluation Letters seventy three (1994): 644. Index activator-inhibitor structures eighty four aeolian deposition 79–83 Alberti, Leon Battista three Anderson, Robert ninety two perspective of repose 95–97 ants 124 swarms and path styles 146–151 military ants (Eciton burchelli) 146–151 paintings, and fluid flow 5–20, 176–178 and technological know-how 3–5 paintings Nouveau 12–14 artificial existence 127, 128 atmospheric circulate 37, 62–65 on different planets 35, 37, 41–45 avalanches 93–110, a hundred and eighty micro organism, collective movement 129–131 Bacillus subtilis 129, one hundred thirty five, 139 Bagnold, Ralph Alger 77–79, eighty one, eighty five, 86, 89 Bak, according to 102, one hundred and five, 107, 108 Bandello, Matteo 2 tub vortex 35–37, 39 bees, swarming 142 Be´nard, Henri 31, 50–52 Ben-Jacob, Eshel 129 Bernoulli, Daniel 12, 34 Biesel, Francis 36, 37 birds, flocking, see flocking boids 126–128 Brazil nut impression 110–113 Buhl, Jerome 133 Bunas, Kirby ninety two Busse, Friedrich fifty five Cassini, Giovanni Domenico forty-one Chang Yen-yu¨an sixteen chemotaxis 131 chinese language artwork thirteen, 15, sixteen Chladni, Ernst 114 Chladni figures 113–115 Christensen, Kim 109 cloud styles 31, 33, fifty one, 62–64 Constable, John 6 convection 50–76, 167, 179 in grains 111–113 Cornish, Vaughan 86 correlations 174–176 Couette flow 170–173 Couette, Maurice one hundred seventy Couzin, Iain 136, 137, 139–143, 148 severe states 106, 107 crowd movement 143–146, 159–163 cyclones 37, 38, forty nine defects, in convection fifty eight, fifty nine Derges, Susan 19, 20 Descartes, Rene´ 12, 121 deserts seventy seven, seventy nine, eighty four, 86 Dictyostelium discoideum 131, 138, 139 dimensionless numbers 29 droplets, rotating forty seven, forty eight Duchamp, Marcel 6 dunes seventy seven, seventy eight, 83–91 earthquakes 107, 108 Eaves, Laurence forty eight eddies 7, eleven, 12, 166, one hundred seventy five see additionally vortices Edgerton, Harold 22–25 emergence 127, 128 strength cascade, in turbulence a hundred seventy five, 176 erosion 7 188 j INDEX Faraday, Michael 112–114 Farkas, Ille´s a hundred and sixty Feder, Jens 109 fingerprints fifty nine fish, education 124, 136–143 flocking 124–143 Flo´r, Jan-Bert forty fluid dynamics 26, 165–169 wooded area fires 107, 108 Forrest, Spencer eighty two, eighty three Franks, Nigel 148 frost heaving seventy four galaxies, shapes forty five, forty seven Gombrich, Ernst 7 granular media 77–123, one hundred eighty nice pink Spot, Jupiter 41–45, one hundred seventy five Gutenberg-Richter legislation 107 Haeckel, Ernst four, 12 Haff, Peter eighty two, eighty three Hajj 160–163 Halley, Edmund sixty four Haynes, Vance 86 Heisenberg, Werner 164 Helbing, Dirk 144–146, 151–154, 158–163 Helmholtz, Hermann von 35 Herrmann, Hans 88, ninety, ninety one Hiemenz, Karl 31 Hill, Richard forty eight Hong, Daniel 113 Hooke, Robert forty-one hydroid 24, 25 hydrological cycle 7 hysteresis 139 hurricanes forty nine jap artwork thirteen, 20 Jugendstil 12 Jullien, Remi 111, 113 Jupiter, surroundings of 41–45, a hundred seventy five Katsuki, Atsunari 89, ninety Kelvin, Lord 35, forty five Kelvin-Helmholtz instability 35–37 Kemp, Martin five Kerner, Boris 158 Kessler, Mark seventy four Ka´rma´n, Theodore von 31 Ka´rma´n vortex highway 30–33, a hundred seventy five Keltsch, Joachim 151 keratocytes one hundred thirty five klinotaxis 131 Kolmogorov, Andrei 175–177 Krantz, William seventy three, seventy four Lamb, Horace 164 laminar flow 28, 29, 167, a hundred and seventy Landau, Lev 166 landslides, see avalanches lane formation, in animal movement 145–151 Langton, Chris 127 leaf-cutter ants (Atta cephalotes) 151 Leonardo da Vinci 1–12, 17, 18, 20, 25, 26, 36 Leray, Jean 27, one hundred sixty five Lifshitz, Evgeny 166 Lighthill, James one hundred forty four liquefaction, of grains seventy eight liquid crystals fifty nine locusts, banding and swarming 133–135 Machiavelli, Niccolo` 7 Maelstrom 39 Makse, Herna´n 93–96 Manneville, Jean-Baptiste forty two mantle convection 65–71 Marangoni, Carlo sixty one Marangoni convection 60–62 Marcus, Philip forty two Mars, dunes 86, 87, ninety, ninety one mass extinctions one hundred and five, 108 Meakin, Paul 111, 113 Meinhardt, Hans eighty four Melo, Francisco 114 Meyers, Steven forty three Molna´r, Peter a hundred and forty four, 151 Morland, George 12 Mucha, Alphonse 14 Nagel, Kai one hundred fifty five, 158 Nagel, Sidney 108, 113 Navier, Claude-Louis 167 Navier-Stokes equations 167, 168, 173 INDEX j 189 Newton, Isaac 166, 167 Nordenskjold, Otto seventy one ocean flow sixty four, sixty five Olson, Peter forty two On progress and shape (Thompson) 24, 25, sixty seven oscillons 120–122 Ottino, Julio ninety eight Oyama, Yositisi ninety eight panic, in crowd movement 159–163 Parr, Adrian five Parteli, Eric ninety one patterned floor 71–75 pedestrian movement, see crowd movement section transitions 139 images, high-speed 21–24 The Physics of Blown Sand and desolate tract Dunes (Bagnold) seventy seven pipe flow 167–169 Plateau, Joseph Antoine Ferdinand forty seven, forty eight plate tectonics sixty six plughole, see bath vortex plumes, in mantle convection 67–71 Poe, Edgar Allan 39 Popham, Arthur 7, eleven Potts, Wayne a hundred twenty five strength legislation 104, one hundred ten, 176 Prantl, Ludwig 31 predation, and flocking 139–142 Quincke, Heinrich 50 Rackham, Arthur 12, 15 Radakov, D.

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