Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 2144 for “"tube"”.
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Pitot's Tube
Made available in DSpace on 2017-11-30T22:46:21Z (GMT). No. of bitstreams: 2 5178677.pdf: 1176687 bytes, checksum: 2394d03b191121df6d7df254aead108c (MD5) license.txt: 4813 bytes, checksum: 715c4321821a960fa1a1e91d2ac7ebce (MD5) Previous issue date: 1877
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UNM Shock Tube Modernization
The UNM shock tube in the Mechanical Engineering department has been in continuous operation since its creation in 2007. During this time, significant discoveries in the field of Richtmyer-Meshkov instabilities has been made with this shock tube. While conducting these experiments, limitations on …
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An assessment of fin-tube thermal contact resistance in round-tube-plain-fin heat exchangers
Fin-and-tube heat exchangers are used in a wide variety of applications. Heat exchangers with expanded tubes are economical, but a drawback is the potentially large contact resistance between tubes and fins. Previous studies have investigated this topic under the exclusion of air-side convection. …
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Boiling Heat Transfer of Freon-113 Flowing Normal to a Tube: Effect of Tube Diameter
… was examined. The heaters were horizontal copper tubes of diameter 1.59 to 7.94 mm (pool) and 3.18 to 12.7 mm (flow), heated internally by condensing steam. The test fluid, at atmospheric pressure, flowed upward normal to the heaters, at approach velocities of 2.4, 4.0, and 6.0 m/s.
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Flux tube profiles at high temperature
… longitudinal and transverse profiles of the flux tube between the static quark and anti-quark pair change with temperature. Flux tube profiles are extracted from correlations of a plaquette with Polyakov loops by varying the distance and the orientation of the plaquette with respect to the …
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Field testing of the Tube Fishway
… novel technologies are emerging, such as the Tube Fishway. The Tube Fishway uses an unsteady surge of water through pipes to lift fish across barriers. The fishway’s hydraulic and biological operation has been established in the laboratory, informed by investigations of the attraction, entry, …
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Transfer coefficients over inclined tube banks
… and pressure drops across four different tube banks, using small-scale models, with yawed tubes, as found in many types of heat exchangers, boilers and nuclear reactors. The tube banks investigated have a staggered tube layout on a rotated square pitch, with a 1.25 pitch-to-diameter ratio. …
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Condensation in horizontal smooth round tube
… details about the two-phase structure inside the tube. Experimental HTC data shows that mass flux can affect HTC in TP region but not in CSH region, while heat flux can affect HTC in CSH region but not TP region. The counter intuitive results in CSH region gives rise to a new heat transfer …
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Caecotron: A Tube for the Blind
Made available in DSpace on 2014-12-12T20:54:12Z (GMT). No. of bitstreams: 1 7524415.pdf: 2031712 bytes, checksum: 296cad248e4a36b3630993984b19ceef (MD5) Previous issue date: 1975
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Radial Beam Velocity Modulated Microwave Tube
Made available in DSpace on 2014-12-04T21:02:30Z (GMT). No. of bitstreams: 1 0002735.pdf: 2607693 bytes, checksum: 0285bbb60103083f98227b2b9daf2947 (MD5) Previous issue date: 1951
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Investigation of pressure-tube and calandria-tube deformation following a single channel blockage event in ACR-700
The ACR-700 is an advanced pressure-tube (PT) reactor being developed by Atomic Energy of Canada Limited (AECL). As in conventional CANDU reactors, the PTs are horizontal. Each PT is surrounded by a calandria tube (CT), and the gap in between is filled with carbon dioxide gas. The space between the …
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Spiral tube heat exchanger for liquid metal
… of various types of exchangers. The spiral tube type exchanger which I have chosen to investigate, though probably not original in design, was not included in the types chosen for investigation. As I believe that this type of exchanger shows promise as being suitable for this application, I …
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Design of Shell and Tube Heat Exchanger
On the basis of above study it is clear that a lot of factors affect the performance of the heat exchanger and the optimization obtained by the formulas depicts the cumulative effect of all the factors over the performance of the heat exchanger. It is observed that by changing the value of one …
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