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Effect of the geometry of the electrode on the bubble formation in electrochemical discharge machiningLiu, Yu-hsiu 07 September 2007 (has links)
A static electrochemical discharge machining (ECDM) tester, where the tungsten needle is used as the cathode and the platinum as the anode and the glass as the specimen, and the depth of electrode is set to be 1mm in the aqueous electrolyte of 30wt% KOH at the test time of 10s, is employed to investigate the influence of geometry and size of the electrode, supply voltage and gap on the characteristic of electrochemical discharge machining.
According to the current/voltage measurements combined with the photographs of the bubble layer on the cathode and the behavior of discharge under different geometry and size of the electrode during the ECDM process, three regimes have been identified as: (I): non-machining. (II): glow discharge. (III): spark discharge. From the observation on the surface of machined glass specimen by using SEM, the experimental result show that damage of the glass increases with the increase of supply voltage.
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Factors in charge preparation and their effect on performance and emissions from a direct injection spark ignition engineAlger, Terrence Francis. January 2001 (has links)
Thesis (Ph. D.)--University of Texas at Austin, 2001. / Vita. Includes bibliographical references. Available also from UMI/Dissertation Abstracts International.
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The effects of fuel volatility, structure, speed and load on HC emissions from piston wetting in direct injection spark ignition enginesHuang, Yiqun. January 2001 (has links)
Thesis (Ph. D.)--University of Texas at Austin, 2001. / Vita. Includes bibliographical references. Available also from UMI/Dissertation Abstracts International.
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Typesafe NLP pipelines on SparkHafner, Simon 24 February 2015 (has links)
Natural language pipelines consist of various natural language algorithms that use the annotations of a previous algorithm to compute more annotations. These algorithms tend to be expensive in terms of computational power. Therefore it is advantageous to parallelize them in order to reduce the time necessary to analyze a large document collection. The goal of this project was to develop a new framework to encapsulate algorithms such that they may be used as part of a pipeline without any additional work. The framework consists of a custom-built data structure called Slab which implements type safety and functional transparency to integrate itself into the Scala programming language. Because of this integration, it is possible to use Spark, a MapReduce framework, to parallelize the pipeline on a cluster. To assess the performance of the new framework, a pipeline based on the OpenNLP library was created. An existing pipeline implemented in UIMA, an industry standard for natural language pipeline frameworks, served as a baseline in terms of performance. The pipeline created from the new framework processed the corpus in about half the time. / text
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Spark ignition and flame propagation in spraysNeophytou, Alexandre January 2011 (has links)
No description available.
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Development of a liquid injection propane system for spark-ignited engines via fuel temperature controlApplegate, Brian Charles, January 2007 (has links) (PDF)
Thesis (M.S.)--University of Missouri--Rolla, 2007. / Vita. The entire thesis text is included in file. Title from title screen of thesis/dissertation PDF file (viewed November 29, 2007) Includes bibliographical references (p. 153-155).
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Heat transfer and combustion-chamber deposits in a spark ignition engineBennethum, James E. January 1959 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1959. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.
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Characterization of the effluent from a spark dichargeHelmer, Deborah Collander. January 1983 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1983. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 183-185).
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Inlet manifold water injection to reduce nitric oxide omissionsNicholls, James Edward, January 1969 (has links)
Thesis (M.S.)--University of Wisconsin--Madison, 1969. / eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.
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Design of a test stand for alternate fuel and ignition systems testingWildfire, Patrick. January 1900 (has links)
Thesis (M.S.)--West Virginia University, 2009. / Title from document title page. Document formatted into pages; contains v, 37, [20] p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 35-37).
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