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 97 for “"Test Apparatus"”.
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Development of a Frost Heave Test Apparatus
… verify the functionality of a new frost heave testing apparatus. Frost heave research has been carried out for more than 75 years. The equipment used to conduct this testing has advanced in accuracy and utility over the years. To establish a background in past and current frost heave research, …
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Design of a hydraulic bulge test apparatus
The various equi-biaxial tension tests for sheet metal were studied and compared to determine the most appropriate equipping in the Impact and Crashworthiness Laboratory, MIT, for the testing of Advanced High Strength Steel. The hydraulic bulge test was identified as the most economical solution. …
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Design and construction of a liquid xenon test apparatus
… and initial construction of a liquid xenon test apparatus for the Enriched Xenon Observatory (EXO) experiment. The EXO collaboration aims to explore neutrinoless double beta decay using isotopically enriched Xe-136. It has already published several high impact physics result with EXO-200, …
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Design and construction of test apparatus for SO₂ adsorption research
… considerable waste systems. Experimental apparatus was designed and constructed for use in future investigations of the adsorption of SO₂ from a simulated flue gas, which will be used for an ultimate prototype system design. The apparatus consists of an air-drying plenum, centrifugal fan, …
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Load-support conditions and computerized test apparatus for wood pallets
… uniformly distributed in nature. Laboratory test methods to evaluate pallets typically use point or line loads because of the difficulty of simulating the actions of a uniform load. In support of research directed at developing design procedures for pallets, a uniform load test machine was …
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Development and Evaluation of a Test Apparatus for Fuel Cells
The development of a test apparatus for proton exchange membrane fuel cells is presented. The design of the prototype device is provided in detail along with a description of the apparatus. The evaluation of the functionality and effectiveness of the device included measurement of a polarization …
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Design of a test apparatus to study a proposed dynamic tissue puncture model
Two test apparatuses were designed, built, and evaluated in order to study a proposed dynamic tissue puncture model. The test apparatuses were designed to improve existing experiments used previously to experimentally verify tissue models. These models are incomplete due to the small range of …
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Design and fabrication of a test apparatus for lightweight flexible space modules for assembly
… and assembly of large, flexible structures. To test these algorithms, it is necessary to have laboratory flexible beam modules with similar properties to structural space modules. This thesis presents a design for a set of flexible modules which have comparable properties to proposed space …
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Design of test apparatus to analyze two-phase refrigerant flow distribution for furnace coil applications
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1994.
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A study on power assists for bicycle rickshaws in India, including fabrication of test apparatus
… and fabrication of a simple electric assist test setup. Measurements and analysis from the test setup will help determine how much power is needed to develop an effective assist, and which methods of assist can achieve that while staying within the cost constraint and other constraints on the …
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Quantification of an Ultrasound Test Apparatus and its Potential Use to Control Nuisance Species in Commercial Aquaculture Settings
… to high amplitude ultrasound. Initial laboratory tests indicated that a commercially available sonicator (operating at 20 kHz) is capable of killing individual snails in fish tanks. More thorough testing indicated efficiency rates of approximately 35% on batches of 10 snails. In addition to the …
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A test method for smolder resistance of upholstered furniture
The purpose of this research was to find a test method and a fabric classification procedure which would reliably indicate whether fabrics could perform in a fire safe manner when tested on a modification of the National Bureau of Standards (NBS) test assembly. The NBS upholstered furniture fabric …
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Solid propellant slow cookoff experiments with advanced diagnostics
… The cured samples were then placed inside the test apparatus to slowly heat until auto-ignition while continuously recording data used to help validate a complex thermal-chemical-mechanical code being built to model the cookoff behavior of energetic materials. Preliminary work focused on …
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Design and implementation of an apparatus for hydrodynamic and fatigue testing of prosthetic aortic valves
… the market they are required to undergo rigorous testing to verify performance and product life expectancy. Performance testing is done in a hydrodynamic test apparatus and life expectancy verified in an accelerated test apparatus. The Cardiology Department at Tygerberg Hospital has proposed a …
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Design of an electro-mechanical hexapod for accelerated life testing of optical fiber assemblies
… Degradation (FRD) [3]. Therefore, a life cycle test must be conducted to study fiber behavior and measure FRD as a function of time. This thesis describes the design and design methodology of an electro-mechanical test apparatus for accelerated life testing of optical fiber assemblies. The …
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Characterization and testing of a height adjustable kinematic coupling
… to have total loop stiffness of 60 N/[mu]m. A test apparatus and prototype of the new coupling design has been built as the subject of this thesis to test the coupling in a model of the grinding machine layout to characterize coupling stiffness and range & precision of height adjustability. …
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Test rig design to simulate ashlock valve erosion in coal gasification systems
… in literature, a design for a laboratory test apparatus to closely simulate the in-service problem was proposed. A test rig prototype, reproducing service conditions of temperature, pressure and geometry, was constructed and preliminary testing conducted. Various problems impairing the …
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Theoretical power generation and emissions, experimental validation, and educational application of an internal combustion engine
… obtain theoretical power and emissions values. A test apparatus including a dynamometer, gas analyzers, and computer data acquisition systems was utilized to obtain experimental power and emissions data. The resulting experimental data show good correlation with the theoretical analysis. The error …
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Design and construction of a propeller open water testing apparatus and testing of a stereolithography 3D printed model propeller
… and construction of a propeller open water testing apparatus for educational and experimental use at MIT. This test apparatus was built as an inexpensive alternative to conducted in-house model scale marine propeller testing. A complimentary study was conducted to explore the process of …
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