Dissertations / Theses on the topic 'Career in marine engineering'
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Baumgarten, Peter B. "Optimization of United States Marine Corps Officer Career Path Selection." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2000. http://handle.dtic.mil/100.2/ADA381837.
Full textThesis advisor, Siriphong Lawphongpanich. "September 200." Includes bibliographical references (p. 67). Also available online.
Winters, Katherine Elaine. "Career Goals and Actions of Early Career Engineering Graduates." Diss., Virginia Tech, 2012. http://hdl.handle.net/10919/26550.
Full textPh. D.
Odendaal, Marius. "Re-engineering an engineering career / Marius Odendaal." Thesis, North-West University, 2009. http://hdl.handle.net/10394/4755.
Full textThesis (M.Ing. (Development and Management Engineering))--North-West University, Potchefstroom Campus, 2010.
Garza, Raul P. "United States Marine Corps career designation board: significant factors in predicting selection." Thesis, Monterey, California: Naval Postgraduate School, 2014. http://hdl.handle.net/10945/41381.
Full textThe United State Marine Corps (USMC) re-implemented the competitive Career Designation (CD) board starting in FY 2010 to select and retain the most competitive junior officers. From 2010 to 2013, 4,723 out of 6,732 officers were offered CD. Utilizing a Probit model and the dataset of the 6,732 officers, we provide statistical analysis of what factors impact the officer's likelihood of being CD in each of the competitive subcategories of: combat arms, combat service support, aviation-ground, law, and aviation. We find that Reviewing Officer Relative Value Average is the most significant factor for most of the officers, as it increases the marginal probability of being CD by an average of 60 percentage points. Surprisingly, combat deployments were not consistently significant throughout the competitive categories. Finally, we develop an Excel-based interactive CD counseling tool, which provides the probability of the officer being CD, given the officer's individual characteristics.
Reamy, Stephen. "Optimal Career Progression of Ground Combat Arms Officers in the Marine Reserve." Thesis, Monterey, California. Naval Postgraduate School, 2012. http://hdl.handle.net/10945/6859.
Full textYang, Y.-S. "Marine hazard assessment." Thesis, University of Newcastle Upon Tyne, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.356793.
Full textMosaad, Mohamed Ahmed Abdel-Rahman. "Marine propeller roughness penalties." Thesis, University of Newcastle Upon Tyne, 1986. http://hdl.handle.net/10443/1006.
Full textRobbins, Kent A. "Optimizing the U.S. Marine Corps' Selective Reenlisted Bonus program for the career force retention." Thesis, Monterey, Calif. : Naval Postgraduate School, 2007. http://bosun.nps.edu/uhtbin/hyperion-image.exe/07Sep%5FRobbins.pdf.
Full textThesis Advisor(s): Wood, R. Kevin. "September 2007." Description based on title screen as viewed on October 23, 2007. Includes bibliographical references (p. 21-22). Also available in print.
Boisvert, Raymond J., and John C. Sumner. "Retention in the Marine Corps : the importance of quality in the career enlisted force." Thesis, Monterey, California: Naval Postgraduate School, 1990. http://hdl.handle.net/10945/27554.
Full textThis study examines the quality of enlisted marines at their first term reenlistment point. Of particular interest is to identify if a significant difference exists between the quality of the marines that are retained and the quality of those who depart. The analysis differs from previous studies, in that, performance-based indicators--proficiency and conduct marks, awards, and educational improvement--are use to measure quality. Also of importance is the development of a system that can be implemented by Headquarters Marine Corps to assist in identifying quality individuals. This system would incorporate performance-based criteria to recognize qualitative factors. The analysis uses data from fiscal 1982 through 1985 and combines different files available from Marine Corps sources. Results from the analysis indicate that there may be a loss of personnel quality at the reenlistment point. It was concluded that the Marine Corps could benefit by targeting quality individuals for reenlistment before they reach their expiration of active service.
Boisvert, Raymond J. Sumner John C. "Retention in the Marine Corps the importance of quality in the career enlisted force /." Monterey, California : Naval Postgraduate School, 1990. http://handle.dtic.mil/100.2/ADA242093.
Full textThesis Advisor(s): Eitelberg, Mark J. ; Mehay, Stephen L. Second Reader: last name, first. "December 1990." Description based on title screen as viewed on April 01, 2010. DTIC Descriptor(s): Military forces (United States), measurement, Marine Corps, reenlistment, careers, quality, personnel, Marine Corps personnel, sources, enlisted personnel DTIC Identifier(s): Marine Corps personnel, reenlistment, quality, enlisted personnel, careers, demography, statistical analysis, theses. Author(s) subject terms: Quality at the reenlistment point for first-term marines. Includes bibliographical references (p. 115-117). Also available in print.
Wu, Wusheng. "Interaction between two marine risers." Thesis, University of Glasgow, 2003. http://theses.gla.ac.uk/4009/.
Full textKeenan, David P. "Marine propellers in unsteady flow." Thesis, Massachusetts Institute of Technology, 1989. http://hdl.handle.net/1721.1/14348.
Full textSon, Kwangmin. "Physical ecology of marine microbes." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/100148.
Full textCataloged from PDF version of thesis.
Includes bibliographical references.
Marine microbes play a fundamental role in driving ocean ecosystem dynamics and biogeochemistry. While their importance is global in scale, microbial processes unfold at the level of single cells and are intimately dependent on interactions between microorganisms, their neighbors, and the surrounding physical and chemical environment. Furthermore, traditional imaging techniques often provide frozen snapshots of the marine microbial world, yet microbial interactions are inherently dynamic, as for example in the case of motility, chemotaxis, and the encounter of microbes with viruses and animal hosts. These biological processes are frequently driven by physical mechanisms, and our understanding of them can benefit from a focus on the physical ecology of marine microbes. This is the approach pursued in this thesis, by directly applying dynamic imaging and microfluidics, which offer powerful new opportunities to study microbial processes in a time resolved manner and with exquisite environmental control. Through single-cell, live imaging of three fundamental marine microbial processes - motility, chemotaxis and viral adsorption - we demonstrate how capturing previously unseen biophysical processes in microbial ecology at their natural timescales can both shed light on unexplained mechanisms and provide robust quantifications of interaction rates. We first study a newly discovered nanoscale motility adaptation in the marine bacterium Vibrio alginolyticus using high-speed imaging. We found that marine bacteria can exploit a buckling instability of their flagellum to change direction during swimming, achieving the same functionality as multi-flagellated cells, but with the cost of synthesizing and operating only one flagellum. This finding not only reveals a new role of flexibility in prokaryotic flagella, but also highlights the exquisite motility adaptations of marine microbes to the resource-poor environment of the ocean. We then determine how this motility adaptation affects the cells' ability to climb chemical gradients ('chemotaxis'). We found that, counter- to current models, chemotaxis in V. alginolyticus is speed-dependent. Faster cells exhibited not only faster chemotactic migration, but also tighter accumulation around the resource peak. This result adds a new dimension to our understanding of bacterial chemotaxis pathways, by demonstrating that swimming speed can be an important and counter-intuitive control parameter in how marine microbes encounter and exploit chemical resources. Finally, we consider an encounter process that is motility-independent - that between a nonmotile host and a virus. Using the globally abundant marine cyanobacterium Prochlorococcus and a cyanobacterial virus ('cyanophage') as a model system, we directly imaged the encounter and adsorption dynamics of the virus and the host at the level of single cells, using dual-wavelength epifluorescent microscopy. By applying this non-invasive approach to quantify thousands of encounter events using automated image acquisition and analysis, we directly measured the rate at which viruses encounter and adsorb to hosts. We found that the probability of adsorption is considerably lower than was obtained with traditional, bulk measurement approaches, suggesting the need for a revision of viral infection dynamics in marine ecosystem models and opening the door for studies of microbial individuality in the context of viral infection. In summary, this thesis demonstrates that physical processes in microbial ecology, studied by means of new approaches including microfluidics and dynamic imaging at the single-cell scale, can contribute fundamental new insights into the ecology of marine microbes.
by Kwangmin Son.
Ph. D.
Ergun, Levent. "An analysis of officer accession programs and the career development of U.S. Marine Corps Officers." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03Mar%5FErgun.pdf.
Full textPark, Jin-Soo. "Marine traffic engineering in Korean coastal waters." Thesis, University of Plymouth, 1994. http://hdl.handle.net/10026.1/2410.
Full textKahkeshan, Siavoche. "Marine log supply : a transport engineering analysis." Thesis, University of British Columbia, 1986. http://hdl.handle.net/2429/27117.
Full textApplied Science, Faculty of
Civil Engineering, Department of
Graduate
Calvert, Gregory L. "International education : career paths in science and engineering /." Full text available, 2006. http://adt.curtin.edu.au/theses/available/adt-WCU20070326.122816.
Full textCalvert, Gregory. "International education: career paths in science and engineering." Thesis, Curtin University, 2006. http://hdl.handle.net/20.500.11937/706.
Full textCalvert, Gregory. "International education: career paths in science and engineering." Curtin University of Technology, Science and Mathematics Education Centre, 2006. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=16927.
Full textThese samples provide the opportunity to evaluate international students' understandings of the Australian education and training system, especially the entry procedures into Science and/or Engineering courses. As part of the methodology the preliminary results were shared with the institutions involved to gain their input. Major findings were that 68 percent of the sample did not have career preparation or advice before coming to Australia; 52 percent of the sample was able to explain the term 'credit-transfer'; 53 percent of the sample had researched the recognition of their course in their home country, and careers advice was sought by 58 percent of the sample whilst studying in Australia. Resulting from the study are a number of recommendations for major stakeholders associated with international education (Australian Educational International, the Graduate Careers Council of Australia, government policy makers, institutions, the related professional bodies in the fields of Science and Engineering, and international fee-paying students). The findings of this study have implications for the way in which careers services are provided to international fee-paying students at Australian institutions. The outcome of this study is presented in two volumes. Volume One contains the body of the thesis in 6 Chapters. Volume Two (on disk) includes the associated documents of this study, presented in twelve Appendices.
Morris, Joe H. "An analysis of personnel career development practices within the United States Marine Corps contingency contracting force." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2002. http://library.nps.navy.mil/uhtbin/hyperion-image/02Dec%5FMorris.pdf.
Full textThesis advisor(s): Marshall Engelbeck, David V. Lamm. Includes bibliographical references (p. 129-135). Also available online.
Newhouse-Maiden, Lesley Patricia. "Hearing their voices : building a career development model for women in engineering." Thesis, Curtin University, 2002. http://hdl.handle.net/20.500.11937/2474.
Full textDesing, Renee. "The Impact of Counterfactual Thinking on the Career Motivation of Early Career Women Engineers: A Q Methodology Study." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1594915284572443.
Full textCunningham, Andrew Donald. "Monte Carlo simulation in the marine environment." Thesis, Liverpool John Moores University, 2011. http://researchonline.ljmu.ac.uk/6001/.
Full textDuerr, Phillip S. "Investigation of marine waterjet inlets during turning maneuvers." Thesis, Florida Atlantic University, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10095898.
Full textNumerical simulations of waterjet inlets have been conducted in order to understand inlet performance during ship turning maneuvers. During turning maneuvers waterjet systems may experience low efficiency, cavitation, vibration, and noise. This study found that during turns less energy arrived at the waterjet pump relative to operating straight ahead, and that the flow field at the entrance of the waterjet pump exhibited a region of both low pressure and low axial velocity. The primary reason for the change in pump inflow uniformity is due to a streamwise vortex. In oblique inflow the hull boundary layer separates when entering the inlet and wraps up forming the streamwise vortex. These changes in pump inflow during turning maneuvers will result in increased unsteady loading of the pump rotor and early onset of pump rotor cavitation.
Simulations covered drift angles from 0° to 30°, pump velocities relative to free stream speed of 0.6 to 1.0 for inlet geometries with ramp angles of 25° and 30° with inlet-hull fairing radii relative to pump diameter of 0.1 to 0.2. The following observations were made: 1) the onset of the streamwise vortex occurred between drift angles of 5° and 10°; 2) increasing drift angle increased the strength of the streamwise vortex and lowered the energy of the flow entering the pump; 3) increasing the flow rate through the waterjet system increased the strength of the streamwise vortex; 4) increasing ramp angle tended to increase the strength of the streamwise vortex; and 5) increasing the fillet radius decreases the strength of the streamwise vortex.
Simulations of steady ahead operation of the waterjet propelled R.V. Athena were also conducted for Froude numbers of 0.34 to 0.84. From these simulations it was found that the pump inflow can be effectively approximated at a new ship speed from a known ship speed by scaling only the mean component of the axial velocity by the relative change in waterjet flow rate. Additionally, waterjet pump operating point and rotor blade inflow angles were found to independent of ship speed.
Levesque, Christopher R. (Chirstopher Robert) 1965. "Vibration suppression in finite length marine cable systems." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/47678.
Full textIncludes bibliographical references (p. 49).
The vibration suppression effectiveness of a flexible in-line marine cable vibration absorber is studied. The transfer matrix method is used to build various numerical models of vibration absorbers in marine cable systems. The models determine cable system natural frequencies, mode shapes and modal damping ratios. The introduction of absorber damping is shown to result in complex roots to the modal characteristic equations. A computer complex root solver is used to solve for the complex roots of the characteristic equations, resulting in complex system natural frequencies. The significance of complex natural frequencies is explained. Complex natural frequencies are used to calculate modal damping ratios. The models demonstrate that absorber effectiveness is heavily dependent on absorber location, absorber mass and absorber length. Parametric variation is used to achieve maximum effectiveness of the flexible in-line absorber. Even under optimum conditions, it is shown that the absorber provides insufficient damping to reduce vortexinduced vibrations in water. The same transfer matrix method is used to evaluate the effectiveness of a massspring- dashpot type absorber in a marine cable system. This type of absorber is shown to produce adequate damping to reduce vortex-induced vibrations in water. The transfer matrix method used in this thesis is validated by analyzing the same system using an approach by Den Hartog [1]. The transfer matrix approach combined with complex root solving capability is shown to provide an effective analysis method for marine cable systems.
by Christopher R. Levesque.
M.S.
Nav.E.
Craig, Robert George. "Promoting a career in engineering : an investigation of factors influencing career decision-making in New Zealand." Thesis, Curtin University, 2012. http://hdl.handle.net/20.500.11937/2313.
Full textAbujaafar, Khalifa Mohamed. "Quantitative human reliability assessment in marine engineering operations." Thesis, Liverpool John Moores University, 2012. http://researchonline.ljmu.ac.uk/6115/.
Full textWhitcher, Alan. "Situation awareness of marine control room operators." Thesis, Southampton Solent University, 2013. http://ssudl.solent.ac.uk/3002/.
Full textJastram, Michael Oliver. "Inspection and feature extraction of marine propellers." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/42632.
Full textCastellanos, Samantha Nicole. "Casting a one-lunger Atlantic marine engine." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/105712.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (page 39).
Fabrication of a one-lunger Atlantic marine engine for the purposes of developing a curriculum for an advanced fabricating and machining class for the Papplardo Apprentices at MIT. One-lunger marine engines greatly influenced the fishing cultures of Nova Scotia at the turn of the 20th century. Discussion of proper casting practices and terminology in addition to theory of sand types, machinability, engine cycles, and ignition systems. In depth descriptions of basic and advanced casting processes using the ignitor body and piston as examples.
by Samantha Nicole Castellanos.
S.B.
Hadjistassou, Constantinos Kyprou. "International maritime organization : rethinking marine environmental policy." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/33579.
Full textIncludes bibliographical references (leaves 67-70).
As environmentalism has swept into political prominence, influencing the environmental policy of developed nations, the IMO- the UN dedicated legislator of the shipping industry- has been increasingly faced with challenges to its decision making process as well as to the effective fulfillment of its role. The current treatment of environmental matters, especially when it comes to negotiations for enacting universally accepted and implemented regulations seems to be in need for reconsideration. This is mainly the case because, the systematic adoption of unilateral/regional measures, at best, can undermine the status of the IMO and, at worst, may prove disruptive to international shipping. The purpose of this thesis is to put concerns over the role of the IMO in international environmental regulations negotiations into a specific context and attempt to view the organization's treatment of the issues it is faced with from a perspective which will reveal the strengths and the shortcomings of the IMO, so that credible remedies could be suggested. In order to achieve this goal, three case studies were used namely the Member States, the Interest Group, and the Industry case study.
(cont.) These cases- selected to identify areas of improvement for the 1MO- have demonstrated that the agency's working procedures merit reassessment if the agency is to remain the industry's legislator. A close examination of the conclusions extracted from the three case studies reveals that the MO is faced with the challenge of leveraging multiple types of initiatives which can emanate from powerful maritime nations, coalition/regional groups, interest groups, stakeholders, and the public.Consequently, if it is to serve its purpose effectively and efficiently, the IMO ought to develop the institutional mechanisms that will encourage policy innovations in the realm of international environmental negotiations whilst strengthening the agency's status as the industry's legislator. Similarly, in view of its evolving role, the agency has to act proactively so as to strike a balance between environmentally sound and sustainable shipping. The closing chapter of the thesis indicates that judging the present and the future of the [MO should be done in the light of excessive pessimism, since some initiatives already underway may improve the current situation, but there is still a lot of room for improvement.
by Constantinos Kyprou Hadjistassou.
S.M.
Ventouras, Laure-Anne. "Iron and the ecology of marine microbes." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/80257.
Full textCataloged from PDF version of thesis.
Includes bibliographical references.
Iron is a cofactor of a number biochemical reactions that are essential for life. In the marine environment, this micronutrient is a scarce resource that limits processes of global importance such as photosynthesis and nitrogen fixation. Given that marine microorganisms play a central role in modulating such biogeochemical cycles, understanding how their distribution, diversity and activity may be affected by changes in iron availability is key. This thesis explores how the availability of iron affects the ecology of marine microbial populations and communities. At the population level, I characterized the prevalence and diversity of iron acquisition strategies in specific populations of marine vibrios with distinct micro-habitat preferences. Using a combination of genomics and functional screens, I showed that siderophore-based iron acquisition is not conserved at the organismlevel but represents a stable trait at the population level. This population-level trait further appears to play a role in driving the diversification of specific vibrio populations, especially of those that are thought to prefer particles as a micro-habitat. At the community level, I measured whole microbial community responses to iron addition in microcosm experiments in different regions of the Pacific Ocean. Using metagenomics, I characterized the impact of iron availability on the microbial community structure of the Central Equatorial Pacific Ocean. This study showed that addition of iron to an iron-limited ecosystem triggers a phytoplankton bloom dominated by Pseudo-nitZschia-like diatoms, which in turn stimulate a Bacteroidetes population functionally distinct from the ambient free-living population. In the North Pacific Subtropical Gyre, I explored how iron availability impacts microbial community gene expression dynamics. Using a metatranscriptomic approach I showed that in that environment, the impact of iron was tightly connected to the supply of other limiting macronutrients, and seems to mostly affect photosynthetic organisms. This initial study paves the way for more in depth and longer-term studies to further investigate the effects of iron on the dynamics of the microbial community in the North Pacific Subtropical Gyre. Taken together data and analyses presented in this thesis demonstrate how iron availability can shape the ecology of marine microorganisms at population, community and functional levels.
by Laure-Anne Ventouras.
Ph.D.
Rossouw, T. J. "The underwater separation of diamantiferous marine gravels." Master's thesis, University of Cape Town, 1988. http://hdl.handle.net/11427/8312.
Full textThree underwater separation devices have been designed, constructed, tested and analysed to determine their suitability for the underwater separation of diamantiferous marine gravels. The research facility where the devices were tested was constructed at the University of Cape Town's Hydrotransport Research facility. The first device tested was a converging elutriator which separates the oversize gravel from the smaller diamond-bearing gravel, using their varying particle settling velocities in an upward flowing fluid. The cyclosieve and spirosieve are two other choices that both use rotational flow to create a centrifugal force, which forces the gravel onto a screening surface. The test work carried out investigated the effect of various variable parameters on the separation efficiency of each device.
Bejarano, Heredia Alberto Ismael. "Determinants of career success for engineering technology program graduates." Doctoral thesis, Universitat Ramon Llull, 2009. http://hdl.handle.net/10803/9201.
Full textLa finalitat primera d'aquest estudi ha estat explicar l'èxit en la carrera dels enginyers. Sobre la base de la literatura acadèmica (entre d'altres, Arthur et al., 2005; Heslin, 2005; Gunz, 2005; Baruch, 2006), s'ha elaborat un model de determinants d'èxit de la carrera que considera la perspectiva objectiva i subjectiva d'aquest constructe i s'ha desenvolupat l'evidència empírica de l'èxit en la carrera d'aquesta categoria de treballador del coneixement a l'Amèrica Llatina.
Les preguntes de recerca s'han centrat a verificar la relació entre l'èxit en la carrera dels enginyers i els graduats de programes amb orientació pràctica, i la xarxa personal de contactes, la competència individual per a l'administració, l'experiència professional, l'estructura organitzativa i les aspiracions individuals. Les dades s'han obtingut d'una enquesta a 1.135 graduats, que van respondre 1.011, cosa que representa un índex de resposta de 89,7 %, i d'arxius complementaris de l'escola d'enginyeria Tecsup.
Els resultats suggereixen que l'èxit en la carrera sovint és determinat, primer, per l'estructura de la carrera a les organitzacions; en un segon nivell, per la xarxa personal i, en un tercer nivell, per l'experiència professional i les aspiracions individuals.
Es fan suggeriments per a futures investigacions i s'esmenten les implicacions que poden tenir per als investigadors, els gerents de recursos humans i les organitzacions educatives.
El éxito de carrera es un importante pero frecuentemente ignorado resultado de la carrera personal. Todas las compañías y organizaciones operan en este mundo cambiante, con crisis globales en el sector energético, financiero y tecnologías emergentes. Estas organizaciones necesitan ingenieros más exitosos para el desarrollo de ventajas competitivas que sustente su desarrollo futuro.
El propósito primario de este estudio fue explicar el éxito de carrera de los ingenieros. Construido sobre las bases de la literatura académica (entre otros, Arthur et al (2005); Heslin (2005); Gunz (2005); Baruch (2006) )un modelo de determinantes de éxito de carrera fue estudiado que considera la perspectiva objetiva y subjetiva de este constructo, desarrollo la evidencia empírica del éxito de carrera de esta categoría de trabajador del conocimiento en latino America.
Las preguntas de investigación estuvieron centradas en verificar la relación entre el éxito de carrera de ingenieros, graduados de programas con orientación practica, y la red personal de contactos, la competencia individual para la administración, la experiencia Professional, la estructura organizacional y las aspiraciones individuales. Los data fueron obtenidos de un encuestar a 1135 graduados,; 1011 respondieron, representando un tasa de respuesta de 89.7 % y archivos complementarios de la escuela de ingeniería Tecsup.
Los resultados sugieren que el éxito de carrera esta fuertemente determinada por la estructura de carrera en las organizaciones. En segundo nivel, el éxito de carrera es determinado por la red personal y en un tercer nivel por la experiencia Professional y las aspiraciones individuales.
Sugerencias para futuras investigaciones e implicaciones para investigadores, gerentes
de recursos humanos y organizaciones educativas son provistas.
Career Success is an important but often overlooked outcome of a person's career experiences. All businesses and organizations operate in a changing World, with global energy crisis and emerging technologies. These organizations need more successful engineers for the development of competitive advantages that sustain his future development.
The primary purpose of this study was to explain engineer's career success. Building upon academic literature (e.g, Arthur et al (2005); Heslin(2005); Gunz (2005); Baruch (2006) ) a model of determinants of career success was studied; both objective and subjective perspectives were used, developing empirical evidence for career success of this category of knowledge workers in Latin America.
Research questions were focused on the relationship between technologists' career success and their personal network, individual competences, professional experience, organizational structures, and individual aspirations. Data were gathered from a survey of 1135 graduates of engineering technology programs; 1011 responded, for a response rate of 89.7 % and archives of Engineering School.
The results suggest that career success of technologist are strongly determined by organizational structures and individual competences. In second level, career success s determined by personal network and in third level the professional experience, and individual aspirations.
Suggestions for future research and implications for practitioners, researchers and educative organizations are provided.
Gelles, Laura A. "Career Prospects and Resources of Domestic Engineering Doctoral Students." DigitalCommons@USU, 2019. https://digitalcommons.usu.edu/etd/7650.
Full textPinto, Waldir Terra. "On the dynamics of low tension marine cables." Thesis, University College London (University of London), 1995. http://discovery.ucl.ac.uk/1317622/.
Full textHamm, James J. "Different success rates and associated factors at three levels of career progression among US Marine Corps officers." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1993. http://handle.dtic.mil/100.2/ADA275220.
Full textMa, Yong Feng. "Characterization of Macau marine deposits." Thesis, University of Macau, 2008. http://umaclib3.umac.mo/record=b1943027.
Full textLeavitt, Joseph William. "Intent-aware collision avoidance for autonomous marine vehicles." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/111893.
Full textThesis: S.M., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2017.
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 259-278).
Applications of autonomous marine vehicles in dynamic and uncertain environments continuously grow as research unveils new enabling technology and academic, commercial, and government entities pursue new marine autonomy concepts. The safe operation of these vehicles in the marine domain, which is currently dominated by human-operated vehicles, demands compliance with collision avoidance protocol, namely the International Regulations for Preventing Collisions at Sea (COLREGS). Strict application of this protocol can lead to a highly constrained motion planning problem, in which it is difficult for a vehicle to identify a safe and efficient motion plan. This thesis proposes a multi-objective optimization-based method for COLREGS-compliant autonomous surface vehicle collision avoidance in which vehicles use shared intent information, in addition to vehicle state information, to identify safe and efficient collision avoidance maneuvers. The proposed method uses intent information to relax certain COLREGS-specified constraints with the goal of providing sufficient maneuvering flexibility to enable improvements in safety and efficiency over a non-intent-aware system. In order to arrive at an intent-aware solution, this thesis explores the concept of intent, including intent formulations for the marine domain, intent communications, and the application of intent to the COLREGS-compliant motion planning problem. Two types of intent information are specifically evaluated: COLREGS mode intent, in which the give-way vessel in an overtaking or crossing scenario communicates its intent to maneuver in a certain direction with respect the stand-on vessel, and discrete trajectory intent in which vehicles communicate projected future positions. Simulations and on-water experiments demonstrate the feasibility of the proposed intent-aware method, as well as improvements in performance, in terms of both vehicle safety and mission efficiency, over a non-intent-aware, COLREGS-compliant collision avoidance method.
by Joseph William Leavitt.
Nav. E.
S.M.
Leavitt, Joseph William. "Intent-aware collision avoidance for autonomous marine vehicles." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/111893.
Full textThesis: S.M., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2017.
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 259-278).
Applications of autonomous marine vehicles in dynamic and uncertain environments continuously grow as research unveils new enabling technology and academic, commercial, and government entities pursue new marine autonomy concepts. The safe operation of these vehicles in the marine domain, which is currently dominated by human-operated vehicles, demands compliance with collision avoidance protocol, namely the International Regulations for Preventing Collisions at Sea (COLREGS). Strict application of this protocol can lead to a highly constrained motion planning problem, in which it is difficult for a vehicle to identify a safe and efficient motion plan. This thesis proposes a multi-objective optimization-based method for COLREGS-compliant autonomous surface vehicle collision avoidance in which vehicles use shared intent information, in addition to vehicle state information, to identify safe and efficient collision avoidance maneuvers. The proposed method uses intent information to relax certain COLREGS-specified constraints with the goal of providing sufficient maneuvering flexibility to enable improvements in safety and efficiency over a non-intent-aware system. In order to arrive at an intent-aware solution, this thesis explores the concept of intent, including intent formulations for the marine domain, intent communications, and the application of intent to the COLREGS-compliant motion planning problem. Two types of intent information are specifically evaluated: COLREGS mode intent, in which the give-way vessel in an overtaking or crossing scenario communicates its intent to maneuver in a certain direction with respect the stand-on vessel, and discrete trajectory intent in which vehicles communicate projected future positions. Simulations and on-water experiments demonstrate the feasibility of the proposed intent-aware method, as well as improvements in performance, in terms of both vehicle safety and mission efficiency, over a non-intent-aware, COLREGS-compliant collision avoidance method.
by Joseph William Leavitt.
Nav. E.
S.M.
Pullen, Roger. "Poly(itaconate) esters as marine antifoulants." Thesis, Southampton Solent University, 1998. http://ssudl.solent.ac.uk/2436/.
Full textPina, Kyle (Kyle Richard). "Career path analysis of professionals selected by MIT undergraduates." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/119943.
Full textCataloged from PDF version of thesis.
For current MIT undergrads, life after graduation can seem daunting. With uncertainty about job duration, graduate school, and career paths in general, many undergraduates enter the real world unsure of what the future holds, or if what they have decided to do post-graduation is the "best" option. As such, MIT undergraduates in the Undergraduate Practice Opportunities Program (UPOP) were asked to interview professionals that they believed had jobs they would one day also like to have. This resulted in a large dataset of career paths for an extremely diverse group of individuals, all with their own unique stories and time-lines. This data was filtered, cleaned, and analyzed to gain insight into life after graduation. From the analyzed data it was found that the distributions of durations spent at graduate school, in companies, or in specific job titles were all not significantly different, and the average duration spent in each of these options was 2-6 years, with some noticeable outliers. Overall these analyses showed that there are many options for students in the first 10 years after completing their BS, and there is no clear "correct" option to choose from.
by Kyle Pina.
S.B.
Hummel, Robert A. (Robert Andrew). "Infrastructure for large-scale tests in marine autonomy." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/70436.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (p. 141-147).
This thesis focuses on the development of infrastructure for research with large-scale autonomous marine vehicle fleets and the design of sampling trajectories for compressive sensing (CS). The newly developed infrastructure includes a bare-bones acoustic modem and two types of low-cost and scalable vehicles. One vehicle is a holonomic raft designed for station-keeping and precise maneuvering, and the other is a streamlined kayak for traveling longer distances. The acoustic modem, like the vehicles, is inexpensive and scalable, providing the capability of a large-scale, low-cost underwater acoustic network. With these vehicles and modems we utilize compressive sensing, a recently developed framework for sampling sparse signals that offers dramatic reductions in the number of samples required for high fidelity reconstruction of a field. Our novel CS sampling techniques introduce engineering constraints including movement and measurement costs to better apply CS to sampling with mobile agents. The vehicles and modems, along with compressive sensing, strengthen the movement towards large scale autonomy in the ocean environment.
by Robert Andrew Hummel.
S.M.
Agosto, Priscilla (Priscilla M. ). "Fabrication of an 1897 Herreshoff marine steam engine." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/112564.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (pages 46-47).
A 19th century Herreshoff marine steam engine was developed using a combination of traditional and modern fabrication methods. Background on Nathaniel Herreshoff, his connection to MIT and the Herreshoff Manufacturing Company was provided. The process for selection of appropriate steam engine with the input from the Francis Russell Hart Nautical Museum at MIT was explored. CAD models were developed from the original drawings from MIT's Haffenreffer-Herreshoff Collection. Pattern making options, casting, sand types and machining practices were explored and analyzed. Furthermore, a blueprint for a single-semester course in advanced fabrication methods for MIT 2.007 Senior Undergraduate Apprentices was proposed.
by Priscilla Agosto.
S.B.
Calder, Jon P. (Jon Patrick) 1955. "Application of freight identification technologies to marine transportation." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/9552.
Full textIncludes bibliographical references (p. 113-115).
This study was carried out to investigate the use of freight identification technology for marine container tracking. This research was also intended to evaluate the different forms of the technology and enlighten ocean carriers on the strengths and weaknesses of each technology. The various currently available products and the technologies they represent are identified along with their technical characteristics. Three metrics are identified to assist in evaluating the technologies for this application. These are: Level of Service, Cost, and Institutional or Legal factors. The technologies are evaluated in relationship to these metrics and several implementation strategies are suggested. Included are descriptions of some of the technical background and features of the technologies.
by Jon P. Calder.
S.M.
Andrews, Gordon Moseley P. "Modeling and fabrication of an Atlantic marine engine." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/112566.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (page 44).
Three-dimensional CAD models for the one-lunger Atlantic marine engine cylinder and manifold were developed from original engineering drawings, and the corresponding patterns and core molds for casting designed. The viability of CNC milled high-density foam for fabricating complex casting patterns and molds was demonstrated with the Atlantic engine cylinder and manifold. The modeling processes presented in this paper can be applied to other projects in documenting historical components and machinery, and the CNC fabrication techniques can be applied generally for rapid pattern and mold generation. From a historical perspective, the development of the models, patterns and physical castings presented in this paper are one step in restoring the heritage of the one-lunger marine engines and bringing life to the first Atlantic engine of the 2 1st century.
by Gordon Moseley P. Andrews.
S.B.
Qi, Yusheng Ph D. Massachusetts Institute of Technology. "Sea surface wave reconstruction from marine radar images." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/74939.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (p. 103-105).
The X-band marine radar is one type of remote sensing technology which is being increasingly used to measure sea surface waves nowadays. In this thesis, how to reconstruct sea surface wave elevation maps from X-band marine radar images and do wave field prediction over short term in real time are discussed. The key idea of reconstruction is using dispersion relation based on the linear wave theory to separate the wave-related signal from non-wave signal in radar images. The reconstruction process involves three-dimensional Fourier analysis and some radar imaging mechanism. In this thesis, an improved shadowing simulation model combined with wave field simulation models for the study of the correction function in the reconstruction process and an improved wave scale estimation model using non-coherent radar data are proposed, which are of great importance in the reconstruction process. A radar image calibration method based on wave field simulation is put forward in order to improve the quality of reconstructed sea surface wave. Besides, a theoretical wave scale estimation model using Doppler spectra of the coherent radar is put forward, which is proposed to be a good alternative to the current wave scale estimation model. The reconstructed sea surface wave can be used for wave field simulation in order to predict the wave field, which is not only an application of this reconstruction process, but also a parameter optimizing tool for the reconstruction process.
by Yusheng Qi.
S.M.
Cortes, Romero Juan Jose. "Reliability based design of marine risers." Thesis, University of Newcastle Upon Tyne, 1999. http://hdl.handle.net/10443/774.
Full textBates, C. R. "Seismic anisotropy as an indicator of marine sediment stability." Thesis, Bangor University, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.236517.
Full textGin, Karina Y. H. (Karina Yew Hoong). "Microbal size spectra from diverse marine ecosystems." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/40155.
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