Browsing Theses and Dissertations(library) by Title
Now showing items 2352-2371 of 6459
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Experimental Investigation Of Flow Boiling And Spray Cooling On Enhanced Surfaces In FC-72
(Mechanical Engineering, 2009-09-16)In this study the effect of a recently developed, thermally conductive microporous coating on flow boiling and spray cooling performance was studied using FC-72 as the working fluid. The overall goal is to further increase ... -
An Experimental Investigation Of Ionization Of Supersonic Air By A Corona Discharge
(Aerospace Engineering, 2007-08-23)A technique is developed to ionize supersonic air flow in a shock tube by a weak corona discharge. The driven section of the tube is open to the atmosphere. The shock propagates in the driven section at about 1 km/s by ... -
EXPERIMENTAL INVESTIGATION OF LASER SCAN STRATEGY ON THE MICROSTRUCTURE, MECHANICAL PROPERTIES AND RESIDUAL STRESS OF INCONEL 718 PARTS FABRICATED BY SELECTIVE LASER MELTING
(2020-08-10)Inconel 718 (IN718) is a nickel-based superalloy which exhibits excellent tensile and impact resistant properties along with good corrosion resistance at high temperatures. However, due to the high toughness and work ... -
EXPERIMENTAL INVESTIGATION OF METHANE REFORMER WITH A CONTINUOUS FLOW REACTOR
(2016-09-16)Over the decades, seeking for an alternative energy source has been more and more significant because of increasing demand with rapid industry expansion. Liquid hydrocarbon from Fischer-Tropsch process is considered as an ... -
Experimental Investigation Of Nucleate Boiling And Thin-film Evaporation On Enhanced Silicon Surfaces
(Mechanical Engineering, 2014-07-14)The present work consists of two major studies. The first study investigates the effects of surface energy or wettability on nucleate pool boiling and the second study investigates the thin-film evaporative cooling for ... -
Experimental Investigation Of Shear Capacity Of Precast Reinforced Concrete Box Culverts
(Civil & Environmental Engineering, 2007-08-23)This study presents the experimental investigation of the shear capacity of four precast rinforced concrete box culverts. Each culvert was subjected to a monotomically increasing load through a 20-in x 10-in load plate, ... -
EXPERIMENTAL INVESTIGATION OF SPATIAL-MODE-SELECTIVE FREQUENCY UP-CONVERSION
(2015-11-30)We experimentally investigate the spatial-mode-selective frequency up-conversion by sum-frequency generation in a second-order medium. In particular, we are interested in zero and first order Gaussian modes. In our ... -
Experimental Investigation Of The Behavior Of The Steel Reinforced High Density Polyethylene And Corrugated Metal Pipe
(Civil & Environmental Engineering, 2011-10-11)Steel reinforced high density polyethylene pipes are gaining popularity these days because of their good performance and advantages of them in comparison to the other pipe materials. By inverting the steel ribs vertically ... -
Experimental Investigation Of Thermal Behaviour Of Air Foil Bearings
(Mechanical Engineering, 2011-03-03)Micro-turbo machinery demands gas bearings to ensure compactness, lightweight and extreme temperature operation. Gas bearings with large stiffness and damping, and preferably of low cost, will enable successful commercial ... -
EXPERIMENTAL INVESTIGATION OF THERMOPHYSICAL PROPERTIES OF ENHANCED NITRATE SALT NANOFLUIDS FOR THERMAL ENERGY STORAGE (TES) IN CONCENTRATED SOLAR POWER (CSP) SYSTEMS
(2018-05-16)The main source for energy production right now is from thermal, nuclear energy. But in the near future we might have crisis of coal so we need alternate renewable source for energy production the solution for that is sun, ... -
EXPERIMENTAL INVESTIGATION OF UTILIZING STEEL FIBER AS CONCRETE REINFORCEMENT IN BRIDGE DECKS
(2019-12-06)Research on utilizing steel fiber vs concrete reinforcement in bridge deck to replace more traditional reinforcing bars is sparse, therefore a research into this topic is interesting to identity opportunities for speeding ... -
EXPERIMENTAL INVESTIGATION OF WATER QUALITY IMPACT ON THE COMPRESSIVE STRENGTH OF CONCRETE
(2023-08-31)Water is an indispensable component in concrete, as it enables crucial chemical reactions. Therefore, the quality of water used in concrete plays a vital role in its performance. Contaminated water, sewage, or high-salt ... -
Experimental Investigations On Small-strain Stiffness Properties Of Partially Saturated Soils Via Resonant Column And Bender Element Testing
(Civil & Environmental Engineering, 2007-08-23)A comprehensive series of resonant column (ASTM D 2325-68), bender element (ASTM C 778), pressure plate (ASTM D 4015-92), and filter paper (ASTM D 5298) tests were conducted on compacted specimens of poorly graded sand ... -
Experimental Studies Of Fundamental Aspects Of Auger Emission Process In Cu(100) And Ag(100)
(Physics, 2014-09-17)Auger spectra at the low energies are accompanied by large contributions unrelated to the Auger transition. The Auger unrelated contributions can obscure the Auger peak and affect the quantitative analysis of the materials ... -
Experimental Studies On Shrinkage Induced Pressure Measurements Of Four Expansive Soils
(Civil & Environmental Engineering, 2011-03-03)Civil structures were damaged by expansive soils due to its large volumetric changes caused by moisture fluctuations. During wet and dry season, the ground heaves up and also shrinks noticeably. The significant amount of ... -
Experimental Studies To Address Strengths Of Limestone Cores, Sulfate Heave Problems In Limestone Cores And Tunnel Lining
(Civil & Environmental Engineering, 2007-08-23)Sulfate induced heave is a common scenario in tunnels located on sedimentary rocks containing Pyrites. Pyrite oxidation produces Gypsum which is a major source of natural sulfates. DART NC -1B tunnel is located in Dallas, ... -
Experimental Study of Dynamic Cooling of Racks using Flow Control Devices
(2020-06-10)A data center is a cluster of multiple servers that a company uses to store and process large amounts of data. Due to never-ending demands, the processor densities are increasing every day. A higher processor density would ... -
Experimental Study of Flexural Behavior of Preflex SFRC-Encased Steel Joist Composite Beams
(2020-06-08)This study investigates the behavior of encased steel composite beams in straight and preflex beams, constructed and tested at Civil Engineering Laboratory Building (CELB). Upwards camber is provided in the steel sections ... -
Experimental Study of Flow Characteristics and Geometry of Scour Hole Around Cylindrical Piers Subject to Wave and Current
(2022-08-15)This thesis concerns the unique flow structure around bridge piers under the wave and current conditions. The flow characteristics around piers may change depending on the flow conditions and geometry of the pier. These ... -
Experimental Study Of Laminated Composite Tubes Under Bending
(Materials Science & Engineering, 2007-08-23)Bending stiffness of laminated composite tubes was determined experimentally using four-point bending test. The experimental results were compared with the results obtained by the laminated plate and smear property approaches. ...