4 resultados para 1026

em Bucknell University Digital Commons - Pensilvania - USA


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http://digitalcommons.bucknell.edu/dance_performances/1026/thumbnail.jpg

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A new liquid-fuel injector was designed for use in the atmospheric-pressure, model gas turbine combustor in Bucknell University’s Combustion Research Laboratory during alternative fuel testing. The current liquid-fuel injector requires a higher-than-desired pressure drop and volumetric flow rate to provide proper atomization of liquid fuels. An air-blast atomizer type of fuel injector was chosen and an experiment utilizing water as the working fluid was performed on a variable-geometry prototype. Visualization of the spray pattern was achieved through photography and the pressure drop was measured as a function of the required operating parameters. Experimental correlations were used to estimate droplet sizes over flow conditions similar to that which would be experienced in the actual combustor. The results of this experiment were used to select the desired geometric parameters for the proposed final injector design and a CAD model was generated. Eventually, the new injector will be fabricated and tested to provide final validation of the design prior to use in the combustion test apparatus.

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The purpose of this thesis was to examine the ways in which the fantasy genre is ideally positioned for discussing social issues, such as invisibility and liminality. Elements associated with invisibility, such as poverty, homelessness, and alienation, were explored within two novels by Neil Gaiman: Neverwhere and American Gods. Gaiman's application of these elements within the fantasy genre were juxtaposed with samples from other genres, including Plato's 'Parable of the Cave' and Jennifer Toth's The Mole People. Another aim was to contrast Gaiman's use of the 'beast in the sewer' metaphor with previous renditions of the myth, demonstrating how fantasy, paradoxically, offers a unique and privileged view of reality.