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Dissertations / Theses on the topic 'Engine components'

Author: Grafiati

Published: 7 June 2025

Last updated: 2 August 2025

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1

Léonard, Pauline. "Sustainability assessment of composites in aero-engine components." Thesis, Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-75369.

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Environmental issues such as climate change are leading to important sustainability challenges in the aerospace industry. Composites are light materials that are extensively used to replace metals and reduce the aircraft weight, the goal being to decrease the fuel consumption in flight and limit the emission of greenhouse gases. However, these high performance materials are associated with a complex supply chain including energy-consuming processes. Most of the decommissioned composite products are currently landfilled and nothing proves that the weight reduction allowed by these materials com

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2

Renberg, Ulrica. "1D engine simulation of a turbocharged SI engine with CFD computation on components." Licentiate thesis, KTH, Machine Design (Div.), 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-9162.

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<p>1D engine simulations of turbocharged engines are difficult to </p><p>Techniques that can increase the SI- engine efficiency while keeping the emissions very low is to reduce the engine displacement volume combined with a charging system. Advanced systems are needed for an effective boosting of the engine and today 1D engine simulation tools are often used for their optimization.</p><p>This thesis concerns 1D engine simulation of a turbocharged SI engine and the introduction of CFD computations on components a

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3

Lindholm, Per. "Wear resistant low friction coatings for engine components." Doctoral thesis, Stockholm, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-54.

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4

Rangarajan, Bharadwaj. "Robust concurrent design of automobile engine lubricated components." Thesis, Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/18897.

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5

Khamassi, A. "A simplified welding simulation for aero-engine components." Thesis, Queen's University Belfast, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.432529.

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6

Norouzi, Shahrouz. "Interaction of diesel type fuels and engine fuel system components in compression ignition engines." Thesis, University of Birmingham, 2014. http://etheses.bham.ac.uk//id/eprint/5369/.

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Contact of fuels with engine components at low and elevated temperatures for various amounts of time is found to be challenging as this contact has several effects on engine fuel system components and fuels. Also, storage of fuels for a long period of time is found to have almost the same effect on both engine components and fuels upon engine use. In this thesis fuel and engine components’ contact have been studied for four typical metals used in the construction of many engine fuel systems; in form of pure or alloys (copper, aluminium, mild carbon steel and stainless steel), studied after con

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7

Kursad, Sezer Huseyin. "Laser drilling of thermal barrier coated jet-engine components." Thesis, University of Manchester, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.685444.

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8

Masari, Facundo. "Virtual characterization of composite materials for aero-engine components." Thesis, Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-79465.

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Since its beginnings, the aerospace industry has been interested in lowering the weight of aircraft. Moving from performance and economic drivers to environmental design parameters, the weight has continuously been a major focus for this industry. A possible option to reduce weight is to use lighter materials such as fibre reinforced polymer composites (FRPC). This type of material has the potential to be used into cold or moderate high-temperature sections of aero-engines. One major obstacle that hinders composite insertion into aero-engines is the lack of predictive models. In recent years,

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9

Karaca, Mehmet. "Overal Performance Prediction Of Turbo Rotary Compound (turc) Engine Using Simulation Results Of Engine Components." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/2/12606491/index.pdf.

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The thesis proposes an overall performance estimation procedure for a new turbo-rotary compound engine (TURC) and an associated novel thermodynamic cycle. In this engine, two or multiple spools are lined up in series within the engine. In the front spool, positive displacement rotary vane type turbines drive axial compressor the performance of which were estimated using stage stacking calculations. In the back spool, axial turbine stages drive positive displacement rotary vane type compressors, the performance of axial turbine was predicted by series matching of turbine stages. Two air streams

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10

Manfletti, Chiara [Verfasser]. "Transient Behaviour Modelling of Liquid Rocket Engine Components / Chiara Manfletti." Aachen : Shaker, 2010. http://d-nb.info/1124364943/34.

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11

Green, David. "The tribological effects of soot contaminated lubricants on engine components." Thesis, University of Sheffield, 2007. http://etheses.whiterose.ac.uk/10309/.

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The work in this thesis investigated the effects of soot contaminated lubricants of engine components. A thorough background review demonstrated that soot related wear is a major issue for the automotive and lubricants industry. A detailed analysis of the physical properties and effects of soot contaminated lubricants highlighted that there are associated effects that will tend to reduce engine perfonnance and efficiency. The actual wear that was produced is studied for the area of the engine which is most significantly affected by soot contamination, the valve train. A typical elephant's foot

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12

Brunnacker, Lena. "Short Carbon Fiber-Reinforced Thermoplastic Composites for Jet Engine Components." Thesis, Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-76733.

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State-of-the-art aircraft engine manufactures aim to reduce theirenvironmental impact steadily. Thereby they attempt to increase engineefficiency, use new renewable fuel sources and most importantly aim toreduce component weight. While Titanium, Aluminum and continuousfiber reinforced thermosetting composites and superalloys prevail in thecurrent material selection, the present work desires to raise awareness fora novel group of materials; short carbon fiber reinforced thermoplasticcomposites (SCFRTPs). In this kind of composite short fibers givedimensional stability and strength while the the

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13

Mangin, Christophe G. E. "Advanced engineering materials for automotive engine components : cost and performance estimations." Thesis, Massachusetts Institute of Technology, 1993. http://hdl.handle.net/1721.1/12742.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1993.<br>Includes bibliographical references (v. 2, leaves 369-375).<br>by Christophe G.E. Mangin.<br>Ph.D.

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14

Gilbert, David Jonathan. "Laser process optimisation for in-situ repair of aero-engine components." Thesis, University of Nottingham, 2017. http://eprints.nottingham.ac.uk/47931/.

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Repairs on stress raising features (SRFs) generated on internal aero engine components such as compressor blades are sometimes necessary, dependent on size, to avoid further damage, such as crack propagation. Where possible, repairs are carried out whilst the engine remains on the wing (in-situ) to avoid costs incurred by engine removal/transportation, and fines from non-operation of the engine. A system comprising an SPI pulsed laser, a Surgical Innovations deployment probe, and OpTek beam guidance components, proposes to adapt the current method of SRF blending which uses a rigid grinding to

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15

Sandberg, Marcus. "Knowledge enabled engineering design tools for manufacturability evaluation of jet engine components." Licentiate thesis, Luleå, 2005. http://epubl.luth.se/1402-1757/2005/16.

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16

Ali, Md Shawkat. "A novel technique for evaluating the degradation of engine components non-destructively." Thesis, Brunel University, 2002. http://bura.brunel.ac.uk/handle/2438/7386.

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Impedance spectroscopy (IS) was used to evaluate the microstructural changes of a thermally-grown oxide (TGO) layer on a nickel-based superalloy or bond coat, with or without a thermal barrier coating (TBC) system, at various temperatures. TBC is used for hot section parts of gas turbine engine, such as turbine blades and vanes. However, spallation of TBC can take place due to long-term operation at high temperature. The spallation is mainly caused by both microstructural changes and thermal stresses as a result of oxide layer (mainly alumina) formation and growth at the interface between the

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17

Talluri, Srikrishna. "Pretreatment of Small Four-Stroke Engine Components for No-Oil Hot Tests." Thesis, Virginia Tech, 2000. http://hdl.handle.net/10919/36058.

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"Hot-tests" form a vital facet towards the end of the production line of modern automotive plants, where the condition of the engine is checked by running it for a short period of time, to ensure its performance under standard operating conditions. The duration of hot-tests for small engines varies from 20-75 seconds. In the conventional procedure, about 10-30 grams of lubricant (for pre-coating) is used with about 650ml of standard oil for engine testing. However, about 1-3 oz. of oil is lost per engine, as it cannot be sucked out of the crankcase after the hot tests. The loss of 1-3 oz.

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18

Beardsley, M. Brad. "Potential use of quasicrystalline materials as thermal barrier coatings for diesel engine components." [Ames, Iowa : Iowa State University], 2008.

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19

Abdulqadir, Lawal Babatunde. "Investigation of the effects of soot on the wear of automotive engine components." Thesis, University of Sheffield, 2017. http://etheses.whiterose.ac.uk/19535/.

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This study is motivated by the current trends in the automotive industry where an increasing level of soot is becoming a challenge to the internal combustion engine (ICE) components. Factors responsible for increasing soot level can be grouped into those explicitly driven by regulations and those driven by technological developments; as well as the requirements of extended drain intervals which lessen the overall maintenance cost of running a vehicle and reduce the environmental impacts of disposed oils. The research work basically involves a multi-pronged approach to evaluate the behaviour of

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20

Matbouei, Mohammad. "The effect of biofuel on the corrosion and wear of automotive engine components." Thesis, University of Leicester, 2018. http://hdl.handle.net/2381/42530.

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Soot particles produced during diesel engine combustion process are of strong interest within the fields of environmental science (global warming, air pollution), air filtration and combustion science (the optimization of the combustion process). Diesel fuel production from renewable resources such as vegetable oils and animal fats offer the potential to reduce fossil carbon emissions and produce alternative ultra-clean fuels for transport and industrial use. It is well known that biodiesel, neat or in blends, can provide reduced particulate matter (PM) mass emissions through either oxygen con

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21

Pacheco, Roman Oscar. "Evaluation of Finite Element simulation methods for High Cycle Fatigue on engine components." Thesis, Linköpings universitet, Mekanik och hållfasthetslära, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-148779.

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This document reflects the results of evaluating three computational methods to analyse the fatigue life of components mounted on the cylinder block; two currently in use at Scania and one that has been further developed from its previous state. Due to the cost of testing and the exponential increase in computational power throughout the years, the cheaper computational analyses have gained in popularity. When a component is mounted in a fairly complex assembly such as an engine, simplifications need to be made in order to make the analysis as less expensive as possible while keeping a high de

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22

Moraru, Laurentiu Eugen. "Numerical Predictions and Measurements in the Lubrication of Aeronautical Engine and Transmission Components." University of Toledo / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1125769629.

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23

Domeij, Jonatan, and Johan Janérs. "Design Study and Concept Development of Structural Components in a Turbofan Aero Engine." Thesis, Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-75378.

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This Master Thesis was performed within Research & Technology at GKN Aerospace, Trollhättan. GKN Aerospace is participating in the Clean Sky 2 program, delivering the ICC to the UltraFan demonstrator. On this demonstrator, the split and load paths of three components in the compressor module are similar to earlier engine configurations, but GKN wanted to investigate if there are other, more efficient ways of building this structure. The aim of this thesis was therefore to investigate if there is a more efficient architecture and design of the static components in the compressor module for

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24

Berglund, Anders. "Application of an alternative frequency response technique to the durability assessment of engine components." Thesis, Umeå universitet, Institutionen för fysik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-39774.

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Engine components are exposed to vibrations which may lead to fatigue damage. Accurate dynamic simulations are necessary especially during the development process, in order to find a satisfactory component. Currently Scania uses a standard method for dynamic calculations that is based on a frequency response approach. A measured or calculated excitation yields a certain response through the transfer function of the system. The transfer function is obtained through an eigenfrequency calculation and an experience-based estimate of the modal damping. An obvious drawback of this method is that the

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25

Harrison, Alexander James. "Molecular simulation studies of adsorption of fuel components and their mixtures in engine deposits." Thesis, University of Edinburgh, 2016. http://hdl.handle.net/1842/20399.

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Carbonaceous deposits accumulate on the majority of the inner surfaces of internal combustion engines. The presence of these deposits is known to cause impaired engine performance. This is manifested as increased knocking, higher fuel consumption, higher emissions and other adverse effects. One of the proposed mechanisms for this behaviour is the adsorption and desorption of fuel components in the pores within the deposit. The porous nature of the deposits promotes this behaviour, altering the fuel composition and reducing the amount of fuel entering the combustion chamber. Previous research i

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Chapman, John Shadrack. "Task-Level Feedback in Interactive Learning Enivonments Using a Rules Based Grading Engine." BYU ScholarsArchive, 2016. https://scholarsarchive.byu.edu/etd/6605.

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In order to improve the feedback an intelligent tutoring system provides, the grading engine needs to do more than simply indicate whether a student gives a correct answer or not. Good feedback must provide actionable information with diagnostic value. This means the grading system must be able to determine what knowledge gap or misconception may have caused the student to answer a question incorrectly. This research evaluated the quality of a rules-based grading engine in an automated online homework system by comparing grading engine scores with manually graded scores. The research sough

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27

Arabi, Samaneh. "Virtual vibration testing of body and power unit mounted components (diesel engine EGR coolant rail)." Thesis, University of Birmingham, 2016. http://etheses.bham.ac.uk//id/eprint/6692/.

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As a part of the sign-off procedure for body and power unit mounted components, random vibration testing is carried out to original equipment manufacturer (OEM) specification which the components must survive without damage. With the current move to minimise design and development costs and time-scales in the development of new vehicles, the use of CAE to validate system design through the use of virtual testing is becoming ever more important. The desire is therefore to develop computer aided analysis/numerical techniques that will replicate the vibration testing of body and power unit mounte

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28

Martinez, Luis Iñaki. "Investigation of CFD conjugate heat transfer simulation methods for engine components at SCANIA CV AB." Thesis, Linköpings universitet, Mekanisk värmeteori och strömningslära, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-138758.

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The main objective of this Master Thesis project is the development of a new methodology to perform Computational Fluid Dynamics (CFD) conjugate heat transfer simulations for internal combustion engines, at the Fluid and Combustion Simulations Department (NMGD) at Scania CV AB, Södertalje, Sweden. This new method allows to overcome the drawbacks identified in the former methodology, providing the ability to use the more advanced polyhedral mesh type to generate good quality grids in complex geometries like water cooling jackets, and integrating all the different components of the engine cylind

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29

Humphreys, Nicholas James. "The computational modelling of centrifugal casting, as a process to manufacture titanium aluminide aero engine components." Thesis, University of Birmingham, 2013. http://etheses.bham.ac.uk//id/eprint/4777/.

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Significant research has been undertaken into the use of intermetallic gamma titanium aluminide alloys (γ- TiAl). The first-rate high temperature properties of the alloys, coupled with an inherent low density, make them an attractive prospect for the aerospace and automotive industries. In this work, the utilisation of γ-TiAl as a structural material, specifically as low pressure (LP) turbine blades for aerospace engines, was considered as a replacement for conventional nickel-based superalloys. These alloys however are difficult to work with, being highly reactive in a molten state, dictating

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BAUDANA, GIORGIO. "γ-Titanium Aluminide Alloys for Aircraft and Automotive Engine Components Applications Processed by Electron Beam Melting". Doctoral thesis, Politecnico di Torino, 2018. http://hdl.handle.net/11583/2699607.

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γ-TiAl alloys are a family of intermetallic compounds which, thanks to their excellent physical and mechanical properties, are arousing big interest in the aerospace and automotive industries. In particular, they are considered an attractive alternative to nickel-based superalloys due to a lower density (about 4 g/cm3 for γ-TiAl alloys and 8 g/cm3 for Ni-based superalloys) that makes their specific mechanical properties comparable to those of nickel-based superalloys. The low weight of these materials allows to reduce the overall weight of the aircraft engine component or automotive engine com

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31

Papachristos, Miltiades. "Influence of structure and other characteristics of substitute fuel components in petrol on engine efficiency and pollution." Thesis, University of Sheffield, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.264616.

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32

Heikkinen, Tim, and Jakob Müller. "Multidisciplinary analysis of jet engine components : Development of methods and tools for design automatisation in a multidisciplinary context." Thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH, Maskinteknik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-27784.

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This thesis report presents the work of analysing current challenges in Multidisciplinary Analysis systems. Exemplary the system of an aerospace supplier, GKN Aerospace Sweden AB, is examined and several suggestions for improve- ment are implemented. The Multidisciplinary Analysis system, with company internal name Engineering Workbench, employs a set-based approach in exploring the design-space for jet engine components. A number of design cases with varied geometrical and environmental parameters is generated using Design of Experiment sampling methods. Each design case is then subjected to

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33

Kiviorg, Alex. "DEVELOPMENT OF A LOW-COST VISION SYSTEM FOR FINDING CONTOUR AND SURFACE DEFECTS ON CAST IRON ENGINE COMPONENTS." Thesis, KTH, Industriell produktion, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-147576.

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The thesis aims to develop an image processing algorithm for a 2D vision system for quality inspection of cast iron components (size 250x190x120mm). The system is designed to be low cost and be an easily implementable solution for an existing production line to complement or replace part of manual quality inspection. The defects are mainly caused by gas porosity and molding errors and can have a very different nature starting from small cavities and chipped edges ending with large portions of missing material. Thus, the methods used in the algorithm must guarantee successful detection of very

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34

Miller, Ian Timothy. "Probabilistic finite element modeling of aerospace engine components incorporating time-dependent inelastic properties for ceramic matrix composite (CMC) materials." Akron, OH : University of Akron, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=akron1144941702.

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Thesis (M.S.)--University of Akron, Dept. of Mathematics, 2006.<br>"May, 2006." Title from electronic thesis title page (viewed 11/29/2007) Advisor, Vinod Arya; Co-Advisor, Ali Hajjafar; Faculty reader, Shantaram S. Pai; Department Chair, Kevin Kreider; Dean of the College, Ronald F. Levant; Dean of the Graduate School, George R. Newkome. Includes bibliographical references.

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35

Wessman, Andrew E. "Physical Metallurgy of Rene 65, a Next-Generation Cast and Wrought Nickel Superalloy for use in Aero Engine Components." University of Cincinnati / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1467126769.

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36

Bohun, Michael H. "Several Non-Destructive Inspection Methods Applied to Quantify Fretting Fatigue Damage in Simulated Ti-6Al-4V Turbine Engine Dovetail Components." University of Dayton / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1332421987.

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37

Sanchez, Hernando Alejandro 1970. "A case study in application of robust design methods to waterjet processes in overhaul and repair of jet engine components." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/9754.

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Thesis (S.M.)--Massachusetts Institute of Technology, System Design and Management Program, February 1999.<br>Includes bibliographical references (leaves 92-93).<br>The North Berwick Engine Services (NBES) Business Unit at the Pratt & Whitney (PW) facility in North Berwick, Maine has identified the need to develop new for cleaning/stripping parts in the overhaul and repair cycle of jet engine components. I investigate the issues that must be answered for the introduction of a new cleaning technique. The new method uses a waterjet in place of a wet abrasive blast using a novaculite slurry sol

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38

David, Carlsson, and Nilsson Björn. "Efficient internal material flow of boxes to gain a well-organized supply of components : A case study at Scania engine assembly." Thesis, Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-63771.

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Within manufacturing organizations, the material flow is a promoted part of the supply chain to evaluate, since it often stands for a significant part of the costs. The evaluation refers to the analysis and optimization of the material flow that arise during manufacturing of products. It can focus on very different levels, such as the material flow in a region or within a company’s internal processes. However, the material flow is concerned with the transportations, operations and storages of materials. A well-organized material flow enables organizations to cutting costs and increase competit

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Ammer, Khan Ammer Khan. "Metal to ceramic joining for high temperature applications." Thesis, Brunel University, 2003. http://bura.brunel.ac.uk/handle/2438/5375.

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The phenomenal growth rate for the use of engineering ceramics is attributed to successful scientific responses to industrial demand. These materials are replacing metal and its alloys in diverse applications from cutting tools and heat engine components to integrated circuits. Joining technology plays a vital role in this changing and evolving technology as success and failure comes with breaking new barriers. It is important to improve existing techniques and to develop new techniques that reliably join simple shape components to form complex assemblies or join dissimilar materials such as m

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Acharya, Ranadip. "Multiphysics modeling and statistical process optimization of the scanning laser epitaxy process applied to additive manufacturing of turbine engine hot-section superalloy components." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/54294.

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Scanning Laser Epitaxy (SLE) is a new laser-based layer-by-layer generative manufacturing technology being developed in the Direct Digital Manufacturing Laboratory at Georgia Tech. SLE allows creation of geometrically complex three-dimensional components with as-desired microstructure through controlled melting and solidification of stationary metal-alloy powder placed on top of like-chemistry substrates. The proposed research seeks to garner knowledge about the fundamental physics of SLE through simulation-based studies and apply this knowledge for hot section turbine component repair and ult

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Andrews, Melissa S. Hickey Suzanne Christine. "Analysis of Navy aircraft engine and engine component warranties /." Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1993. http://handle.dtic.mil/100.2/ADA276936.

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Thesis (M.S. in Management) Naval Postgraduate School, December 1993.<br>Thesis advisor(s): Alan W. McMasters ; Jeffrey A. Warmington. "December 1993." Bibliography: p. 123-124. Also available online.

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Andrews, Melissa S., and Suzanne Christine Hickey. "Analysis of Navy aircraft engine and engine component warranties." Thesis, Monterey, California. Naval Postgraduate School, 1993. http://hdl.handle.net/10945/39656.

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Approved for public release; distribution is unlimited.<br>Since the enactment of Title 10, Section 2403 of the United States Code in 1985, written warranty clauses have been mandated for the procurement of all major weapon systems. This thesis discusses the aircraft engine warranty program established by the Naval Air Systems Command in response to that warranty legislation. Warranty procedures and issues are examined during procurement, contract negotiations, and in the daily operations of the fleet. The aircraft engine warranty program of a major commercial airline (United Airlines) is pres

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Vieira, Junior Ivanilson Fran?a. "Uma abordagem na camada de middleware para troca din?mica de componentes em sistemas multim?dia distribu?dos baseados no framework Cosmos." Universidade Federal do Rio Grande do Norte, 2009. http://repositorio.ufrn.br:8080/jspui/handle/123456789/17998.

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Made available in DSpace on 2014-12-17T15:47:50Z (GMT). No. of bitstreams: 1 IvanilsonFVJ.pdf: 1175067 bytes, checksum: 36d08791e1658b3543761ec05cd15028 (MD5) Previous issue date: 2009-03-20<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior<br>To manage the complexity associated with the management of multimedia distributed systems, a solution must incorporate concepts of middleware in order to hide specific hardware and operating systems aspects. Applications in these systems can be implemented in different types of platforms, and the components of these systems must interact e

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Abdul, Husein Reyad Abdul Ameer. "Impingement cooling of gas turbine components." Thesis, University of Leeds, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.255236.

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Vitorino, dos Santos Filho Jairson. "CHROME: a model-driven component-based rule engine." Universidade Federal de Pernambuco, 2009. https://repositorio.ufpe.br/handle/123456789/1638.

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Made available in DSpace on 2014-06-12T15:51:39Z (GMT). No. of bitstreams: 2 arquivo2757_1.pdf: 5759741 bytes, checksum: 8075c58c36a6d409b242f2a7873fb02f (MD5) license.txt: 1748 bytes, checksum: 8a4605be74aa9ea9d79846c1fba20a33 (MD5) Previous issue date: 2009<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Vitorino dos Santos Filho, Jairson; Pierre Louis Robin, Jacques. CHROME: a model-driven component-based rule engine. 2009. Tese (Doutorado). Programa de Pós-Graduação em Ciência da Computação, Universidade Federal de Pernambuco, Recife, 2009.

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Possamai, Lisiane. "Eficácia da análise de amostras de óleo lubrificante por espectrometria de emissão óptica com plasma indutivamente acoplado na detecção de desgaste em motores Diesel após amaciamento." [s.n.], 2011. http://repositorio.unicamp.br/jspui/handle/REPOSIP/264454.

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Orientador: Sérgio Tonini Button<br>Dissertação (mestrado profissional) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecânica<br>Made available in DSpace on 2018-08-18T21:08:57Z (GMT). No. of bitstreams: 1 Possamai_Lisiane_M.pdf: 4008102 bytes, checksum: b6e9b8d71cd5acc093a6d8f5074751db (MD5) Previous issue date: 2011<br>Resumo: Este trabalho tem como objetivo principal avaliar se a determinação da concentração de metais em óleo lubrificante por ICP-OES (Espectrometria de Emissão Ótica com Plasma Indutivamente Acoplado, do inglês Inductively Coupled Plasma Optical Emission Sp

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Blake, Thomas B. (Thomas Brock) 1969. "An analysis of engine assembly and component production behavior." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/44601.

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Thesis (M.B.A.)--Massachusetts Institute of Technology, Sloan School of Management; and, (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering; in conjunction with the Leaders for Manufacturing Program at MIT, 1999.<br>Includes bibliographical references (p. 79).<br>This study analyses the information and material flow through a component manufacturing and turbine engine assembly system. The intent of this work was to understand the inefficiencies associated with the current system, and to propose solutions which would prove valuable to the entire value chain, not only

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Mufti, Riaz Ahmad. "Total and component friction in a motored and firing engine." Thesis, University of Leeds, 2004. http://etheses.whiterose.ac.uk/5354/.

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Engine developers and lubricant formulators are constantly improving the performance of internal combustions engines by reducing the power losses and emissions. The majority of the mechanical frictional losses generated in an engine can be attributed to the main tribological components of an engine, the valve train, piston assembly and engine bearings. However no single method has been developed to measure the friction loss contribution of each component simultaneously in a firing engine. Such results would be invaluable to the automotive/lubricant industries, research institutions and for val

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Shirey, Eamonn Samuel. "Predicting jet engine component wear to enable proactive fleet maintenance." Thesis, Massachusetts Institute of Technology, 2019. https://hdl.handle.net/1721.1/122603.

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Thesis: M.B.A., Massachusetts Institute of Technology, Sloan School of Management, 2019, In conjunction with the Leaders for Global Operations Program at MIT<br>Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2019, In conjunction with the Leaders for Global Operations Program at MIT<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 65-66).<br>The principle driver of maintenance costs for commercial jet engines is the replacement of components that, upon inspection, are determined to be damaged beyond their repairab

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Biret, Maëva. "Contribution à la résolution de problèmes inverses sous contraintes et application de méthodes de conception robuste pour le dimensionnement de pièces mécaniques de turboréacteurs en phase avant-projets." Thesis, Paris 6, 2016. http://www.theses.fr/2016PA066294/document.

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L'objectif de ce travail est de proposer une nouvelle démarche pour améliorer et accélérer les études de dimensionnement des pièces de turboréacteurs en avant-projets. Il s'agit de fournir une méthodologie complète pour la conception robuste sous contraintes. Cette méthodologie consiste en trois étapes : la réduction de la dimension et la méta-modélisation, la conception robuste sous contraintes puis la résolution de problèmes inverses sous contraintes. Ce sont les trois principaux sujets abordés dans cette thèse. La réduction de la dimension est un pré-traitement indispensable à toute étude.

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