22,329 research outputs found

    Continuous laminar smoke generator

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    A smoke generator capable of emitting a very thin, laminar stream of smoke for use in high detail flow visualization was invented. The generator is capable of emitting a larger but less stable rope of smoke. The invention consists of a pressure supply and fluid supply which supply smoke generating fluid to feed. The feed tube is directly heated by electrical resistance from current supplied by power supply and regulated by a constant temperature controller. A smoke exit hole is drilled in the wall of feed tube. Because feed tube is heated both before and past exit hole, no condensation of smoke generating occurs at the smoke exit hole, enabling the production of a very stable smoke filament. The generator is small in size which avoids wind turbulence in front of the test model

    More Human Trouble: Review Of Freedom By Jonathan E. Franzen \u2781

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    Review Of The Identifying Fictions Of Toni Morrison: Modernist Authenticity And Postmodern Blackness By J.N. Duvall

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    An Interpretation Of Pastoral In The Winter\u27s Tale

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    Born There : Faulkner, Oxford, And Lafayette County

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    Precarious Sanctuaries: Protection And Exposure In Faulkner\u27s Fiction

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    Liquid thickness gauge

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    A method and apparatus are developed to measure the thickness of a liquid on a surface independent of liquid conductivity. Two pairs of round, corrosion resistant wires are mounted in an insulating material such that the cross-sectional area of each wire is flush with and normal to the surface. The resistance between each pair of wires is measured using two ac resistance measuring circuits, in which the ratio of the outputs of the two resistance measuring circuits is indicative of the thickness of the liquid on the surface
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