anthony reale: strait power
 
anthony reale: strait power
jan 18, 2011

anthony reale: strait power

rendering of ‘strait power’, designed and engineered by anthony reale

designed originally as his senior project at the college for creative studies in the united states, industrial designer anthony reale’s ‘strait power‘ provides a highly efficient redesign of water-powered turbine generators.

anthony reale: strait power detail view of turbine interior, following testing

anthony reale: strait power detail view of blades, prior to testing

anthony reale: strait power concept sketch illustrating the principles of fluid movement that reale recognized in the basking shark and adapted to ‘strait power’

it was in observing the activity and appearance of the basking shark that reale gained insight into his model’s structure. the shark spends 18 hours a day with its mouth open, sifting for food, and the movement of the water into its mouth and out its gills aids in its swimming. reale recognized that ‘fluid movement is more than just using the energy flowing through you but the energy flowing around you to aid in your task.’ he determined more specifically that, as with airplane wings, a pressure differential exists along the shark’s body: water moves at higher pressure along the straight bottom, while the increased distance it must travel over the curved top means that it is at lower pressure.

anthony reale: strait power ‘strait power’ in place underwater for testing

reale adapted this revelation to the design of the turbine blades themselves, and he progressed quickly into building a prototype of the device. the 900-pound model is made almost entirely of wood, screwed together, and sealed with marine paint. the turbine underwent 200 hours of testing at the university of michigan’s marine hydrodynamics lab, and although upon its removal it had cracked from the additional force, swollen from added water weight, and begun to rust, the team calculated that the prototype already improves power output of a single turbine blade by 40%, a figure reale expects to improve in later versions.

anthony reale: strait power concept sketch of ‘military cow’, of the ‘power in your pack’ development project

reale has designed five commercial uses of the ‘strait power’ system.

‘power in your pack’, designed for outdoor and military use, is a portable and collapsible version of the turbine that takes the form of a backpack and is capable of charging small electrical devices.

anthony reale: strait power concept sketches of other extension projects: river-floor based ‘residential strait power’ (top left), ‘industrial strait power’ (top right); ‘R.E.D.’ barge (bottom left), and ‘power in your pack’ portable model

‘industrial strait power’ uses 10-foot diameter turbine blades to provide energy to high-power electrical generators of 40,000 watts and higher. the smaller scale ‘residential strait power’ utilizes a power train assembly that can be equipped with either a hydraulic pump or electrical motor, depending on the type of output desired.

‘R.E.D.’, an abbreviation of ‘remote locations, emergency relief, and developing nations’, involves attaching multiple ‘residential strait power’ models to the bottom of barges, providing power to remote locations.

anthony reale: strait power ‘wild life power barge’ would fulfill shoreside energy needs, as well as provide a nesting place for migratory birds

the ‘strait power wild life power barge’ shares a similar conceptual design to ‘R.E.D.’, but the top of the barge is designed as green space with trees, to provide a safe nesting site for migratory birds. the turbines on the underside of the boat provide energy to riverside residences and businesses, minimizing for certain kinds of locations the amount of energy lost via resistance in power lines.

anthony reale: strait power artistic rendering of the pressure differential and water movement that is responsible for the high energy efficiency of ‘strait power’

anthony reale: strait power structural renderings of the ‘strait power’ prototype

realized, tested, and archived over 130 days, the project involved 711 hours of production work and 200 testing hours, as well as 95,000 USD worth of private and in-kind donations, composed primarily of milling machine time at the college for creative studies and testing time and parts from the university of michigan.

anthony reale: strait power reale works on the in-progress model

reale documents the project from the concept stage to production to testing to analysis and development

  • What’s the efficiency of this? People have been working on similar concepts for awhile (minus the graphic artist’s shark dressing) but never really got good returns..

    BetterEngineering
  • Great idea!
    Curious what you see the final product material being? And wondering if you did any smaller mock-ups first…
    I especially enjoyed seeing your process in the film–

    What are your next steps?

    Alexis Wittman. LEED-AP
  • quite impressive!

    blog.vladimirantonov.ru

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