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Dissertations / Theses on the topic 'ISM: kinematics and dynamics'

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Published: 4 June 2021

Last updated: 18 June 2025

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1

Seo, Young Min, and Andrew N. Youdin. "The role of non-ionizing radiation pressure in star formation: the stability of cores and filaments." OXFORD UNIV PRESS, 2016. http://hdl.handle.net/10150/621725.

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Stars form when filaments and dense cores in molecular clouds fragment and collapse due to self-gravity. In the most basic analyses of gravitational stability, the competition between self-gravity and thermal pressure sets the critical (i.e. maximum stable) mass of spheres and the critical line density of cylinders. Previous work has considered additional support from magnetic fields and turbulence. Here, we consider the effects of non-ionizing radiation, specifically the inward radiation pressure force that acts on dense structures embedded in an isotropic radiation field. Using hydrostatic,

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2

Cabral, Ana Isabel Duarte. "Kinematics and physical properties of young proto-clusters." Thesis, University of Manchester, 2011. https://www.research.manchester.ac.uk/portal/en/theses/kinematics-and-physical-properties-of-young-protoclusters(8eb34d15-b343-4aab-b4b0-ede4bba903be).html.

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The formation of stars begins with the fragmentation of molecular clouds and the formation of dense cores. This fragmentation process can either be the result of classical gravitational instabilities or triggered by some external event. The gas and dust of young protoclusters often hold the imprints of the initial conditions and triggers of that specific star forming episode. In this context, my thesis work is a study of the gas properties of young protoclus- ters within the Gould Belt. The first part of my work consists of a detailed study of the young Serpens star forming region with CO isot

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3

Bieging, John H., Saahil Patel, William L. Peters, L. Viktor Toth, Gábor Marton, and Sarolta Zahorecz. "THE ARIZONA RADIO OBSERVATORY CO MAPPING SURVEY OF GALACTIC MOLECULAR CLOUDS. V. THE SH2-235 CLOUD IN CO J = 2 − 1, 13 CO J = 2 − 1, AND CO J = 3 − 2." IOP PUBLISHING LTD, 2016. http://hdl.handle.net/10150/621984.

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We present the results of a program to map the Sh2-235 molecular cloud complex in the CO and (CO)-C-13 J = 2 - 1 transitions using the Heinrich Hertz Submillimeter Telescope. The map resolution is 38 '' (FWHM), with an rms noise of 0.12K brightness temperature, for a velocity resolution of 0.34 km s(-1). With the same telescope, we also mapped the CO J = 3 - 2 line at a frequency of 345 GHz, using a 64 beam focal plane array of heterodyne mixers, achieving a typical rms noise of 0.5 K brightness temperature with a velocity resolution of 0.23 km s(-1). The three spectral line data cubes are ava

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Imara, Nia, Charles Lada, John Lewis, et al. "X Marks the Spot: Nexus of Filaments, Cores, and Outflows in a Young Star-forming Region." IOP PUBLISHING LTD, 2017. http://hdl.handle.net/10150/624336.

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We present a multiwavelength investigation of a region of a nearby giant molecular cloud that is distinguished by a minimal level of star formation activity. With our new (CO)-C-12(J = 2-1) and (CO)-C-13(J = 2-1) observations of a remote region within the middle of the California molecular cloud, we aim to investigate the relationship between filaments, cores, and a molecular outflow in a relatively pristine environment. An extinction map of the region from Herschel Space Observatory observations reveals the presence of two 2 pc long filaments radiating from a highextinction clump. Using the (

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Reiter, Megan, Megan M. Kiminki, Nathan Smith, and John Bally. "Proper motions of collimated jets from intermediate-mass protostars in the Carina Nebula." OXFORD UNIV PRESS, 2017. http://hdl.handle.net/10150/625733.

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We present proper motion measurements of 37 jets and HH objects in the Carina Nebula measured in two epochs of H alpha images obtained similar to 10 yr apart with Hubble Space Telescope/Advanced Camera for Surveys (ACS). Transverse velocities in all but one jet are faster than greater than or similar to 25 km s(-1), confirming that the jet-like H alpha features identified in the first epoch images trace outflowing gas. Proper motions constrain the location of the jet-driving source and provide kinematic confirmation of the intermediate-mass protostars that we identify for 20/37 jets. Jet veloc

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6

Battersby, Cara, John Bally, and Brian Svoboda. "The Lifetimes of Phases in High-mass Star-forming Regions." IOP PUBLISHING LTD, 2017. http://hdl.handle.net/10150/624382.

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High-mass stars form within star clusters from dense, molecular regions (DMRs), but is the process of cluster formation slow and hydrostatic or quick and dynamic? We link the physical properties of high-mass star-forming regions with their evolutionary stage in a systematic way, using Herschel and Spitzer data. In order to produce a robust estimate of the relative lifetimes of these regions, we compare the fraction of DMRs above a column density associated with high-mass star formation, N(H-2) > 0.4-2.5 x 10(22) cm(-2), in the "starless" (no signature of stars >= 10 M circle dot forming) and s

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7

Drabek-Maunder, Emily Rae. "A submillimetre study of nearby star formation using molecular line data." Thesis, University of Exeter, 2013. http://hdl.handle.net/10871/14587.

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This thesis primarily uses submillimetre molecular line data from HARP, a heterodyne array on the James Clerk Maxwell Telescope (JCMT), to further investigate star formation in the Ophiuchus L1688 cloud. HARP was used to observe CO J = 3-2 isotopologues: 12CO, 13CO and C18O; and the dense gas tracer HCO+ J = 4-3. A method for calculating molecular line contamination in the SCUBA-2 450 and 850 μm dust continuum data was developed, which can be used to convert 12CO J =6-5and J =3-2 maps of integrated intensity (K km s−1) to molecular line flux (mJy beam−1) contaminating the continuum emission. U

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8

Zhang, Huanian, Dennis Zaritsky, Guangtun Zhu, Brice Ménard, and David W. Hogg. "HYDROGEN EMISSION FROM THE IONIZED GASEOUS HALOS OF LOW-REDSHIFT GALAXIES." IOP PUBLISHING LTD, 2016. http://hdl.handle.net/10150/622684.

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Using a sample of nearly half a million galaxies, intersected by over 7 million lines of sight from the Sloan Digital Sky Survey Data Release 12, we trace H alpha + [N II] emission from a galactocentric projected radius, r(p), of 5 kpc to more than 100 kpc. The emission flux surface brightness is alpha r(p) 1.9 +/- 0.4. We obtain consistent results using only the Ha or [N II] flux. We measure a stronger signal for the bluer half of the target sample than for the redder half on small scales, r(p) < 20 kpc. We obtain a 3 sigma detection of H alpha + [N II] emission in the 50-100 kpc r(p) bin. Th

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9

Sabatini, Giovanni. "Unveiling the inner morphology and gas kinematics of NGC 5135 with ALMA." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/14062/.

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Active galactic nuclei are thought to play a major role in the formation and evolution of galaxies, providing mechanisms for feedback from the supermassive black hole (SMBH) to its hosting galaxy and the intergalactic medium. In co-evolutionary scenarios, the SMBH properties are strictly connected to those of the host galaxy, in either high redshift quasars and in local Seyfert nuclei. Local Seyfert galaxies hosting both SMBHs and star forming regions, can be considered as the nearest counterparts of high redshift sub-mm heavily dust obscured star forming galaxies, where a significant fraction

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10

Marchal, Antoine. "On the multiphase structure of the turbulent neutral interstellar medium." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS249.

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La formation des étoiles dans les galaxies est intimement liée aux processus physiques qui régissent l'évolution du milieu interstellaire. Les étoiles se forment dans les nuages moléculaires par effondrement gravitationnel de structures denses et froides, mais le processus qui mène à la formation de ces surdensités est encore relativement mal compris. Un des élément clé semble être lié à l'efficacité de la formation de nuages froids d'hydrogène neutre (HI), également appelé "Cold neutral Medium" (CNM).Plusieurs études ont visé à comprendre la production du CNM par condensation du "Warm Neutral

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11

Thom, Christopher, and na. "High velocity clouds and the Milky Way Halo." Swinburne University of Technology, 2006. http://adt.lib.swin.edu.au./public/adt-VSWT20060920.101419.

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This thesis presents an exploration of stars and gas in the halo of our Galaxy. A sample of 8321 field horizontal branch (FHB) stars was selected from the Hamburg/ESO Survey. The stars make excellent tracers of the Milky Way halo, and we studied the kinematics of a subset of the HES FHB stars, comparing their velocity dispersions to those predicted by several models. Since these stars are intrinsically luminous, hot and numerous they make ideal probes of the distances to high-velocity clouds (HVCs) - clouds of neutral hydrogen gas whose distances are largely unknown and which do not fit simple

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12

Penney, Camilla Emily. "Kinematics and dynamics of continental deformation." Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/278649.

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In contrast to the oceans, deformation in the continental lithosphere is distributed over broad regions. This dissertation is composed of three separate but related studies investigating the kinematics and dynamics of such deformation. The first two studies look at the Makran subduction zone, and the third focusses on deformation in South East Tibet. The first study is an investigation of the 11 May 2013 M w 6.1 Minab earthquake which occurred at the western end of the Makran subduction zone, adjacent to the transition to continent-continent collision in the Zagros mountains. Seismological, ge

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13

Xu, Qing Song. "Kinematics, dynamics and control of parallel robots." Thesis, University of Macau, 2004. http://umaclib3.umac.mo/record=b1446180.

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14

Balaji, Kamalakkannan Balaji. "Modelling and Simulation of Vehicle Kinematics and Dynamics." Thesis, Högskolan i Halmstad, Halmstad Embedded and Intelligent Systems Research (EIS), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-34363.

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With the rapid growth in the automotive industry, vehicles have become more complex and sophisticated. Vehicle development today, involves integration of both electrical and mechanical systems. Their design and production are typically time and cost critical. To complement and support the process of vehicle development and design, majority of the automotive industry use modelling and simulationfor testing automotive applications, vehicle subsystems or the vehicle behaviour in its entirety. For the purpose of traffic simulations, where a large number of vehicles and other elements of the road n

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15

Wiens, Alexander Joshua. "Slender elastic swimmers : kinematics, dynamics, and robotic applications." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/120198.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2018.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 143-151).<br>Fish present a natural source of inspiration for the design of high-performance under-water robots. Conventionally, fish-like robotic systems consist of a chain of rigid links connected by a series of rigid actuators. Devices of this

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LIU, TONG. "Investigation of under-platform damper kinematics and dynamics." Doctoral thesis, Politecnico di Torino, 2013. http://hdl.handle.net/11583/2507354.

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Under-platform damper is a device used in turbo engines to attenuate forced vibration amplitude and prevent high cycle fatigue of turbine blades, which are caused by hot gas flow and the vibration of engine rotor. The device itself is a piece of metal and during service it is loaded by centrifugal force against the platform underside of two adjacent blades. The relative movement of the blade platforms produces possible slip on the damper surfaces that dissipates the vibration energy through heat induced by friction. Although the damper is a simple device, it is difficult to predict and optim

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17

Quadrelli, Bruno Marco. "Dynamic analysis of multi-flexible body systems with spatial beams and finite rotations." Diss., Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/12052.

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18

Torabi, Abbas. "An investigation of the kinetics and excited state dynamics of the nitrate free radical." Diss., Georgia Institute of Technology, 1985. http://hdl.handle.net/1853/28024.

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19

Cheung, Wing-fung Jacob. "Kinematics, dynamics and control of high precision parallel manipulators." Click to view the E-thesis via HKUTO, 2007. http://sunzi.lib.hku.hk/hkuto/record/B37907116.

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20

Cheung, Wing-fung Jacob, and 張穎鋒. "Kinematics, dynamics and control of high precision parallel manipulators." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2007. http://hub.hku.hk/bib/B37907116.

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21

Murray, Ingram Andrew. "Determining upper limb kinematics and dynamics during everyday tasks." Thesis, University of Newcastle Upon Tyne, 1999. http://hdl.handle.net/10443/185.

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In planning orthopaedic procedures or designing joint replacements for the upper limb, detailed knowledge on the kinematic and dynamic behaviour of the shoulder, elbow and wrist joints during the performance of everyday tasks is essential. Previous studies have included kinematic analyses of everyday activities involved in feeding and personal hygiene though none have included both the kinematic and dynamic analyses of these tasks. This study has involved the development, validation and application of experimental methods and analysis techniques, enabling the measurement and modelling of upper

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22

Burton, Lisa Janelle. "The dynamics and kinematics of bio-in swimming systems." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/81692.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2013.<br>Cataloged from PDF version of thesis. Page 168 blank.<br>Includes bibliographical references (p. 155-167).<br>The motion of biological systems in fluids is inherently complex, even for the simplest organisms. In this thesis, we develop methods of analyzing locomotion of both mechanical and biological systems with the aim of rationalizing biology and informing robotic design. We begin by building on existing visualization framework by studying an idealized swimmer: Purcell's three-link swimmer, at

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23

Liu, Yu Gang. "Kinematics, dynamics and intelligent control for nonholonomic mobile modular manipulators." Thesis, University of Macau, 2006. http://umaclib3.umac.mo/record=b1636567.

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24

Famaey, Benoît. "Kinematics and dynamics pf giant stars in the solar neighbourhood." Doctoral thesis, Universite Libre de Bruxelles, 2004. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/211090.

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We study the motion of giant stars in the Solar neighbourhood and what they tell us about the dynamics of the Galaxy: we thus contribute to the huge project of understanding the structure and evolution of the Galaxy as a whole. <p><p>We present a kinematic analysis of 5952 K and 739 M giant stars which includes for the first time radial velocity data from an important survey performed with the CORAVEL spectrovelocimeter at the Observatoire de Haute Provence. Parallaxes from the Hipparcos catalogue and proper motions from the Tycho-2 catalogue are also used.<p><p>A maximum-likelihood method, ba

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Layeghi, Kamran. "Kinematics and dynamics simulation control of a five-axis robot." Thesis, Keele University, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.277928.

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Chumbinho, Rogřio Paulo Antunes. "Kinematics and dynamics of a cyclonic eddy off Pt. Arena, California /." Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1994. http://handle.dtic.mil/100.2/ADA298587.

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Dissertation (Ph. D. in Physical Oceanography) Naval Postgraduate School, December 1994.<br>"December 1994." Dissertation supervisor(s): R.L. Haney. Includes bibliographical references (p. 75-79). Also available online.

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Yi, Yong. "Fault tolerant N-DOF Gough-Stewart platforms kinematics, dynamics, and design /." Laramie, Wyo. : University of Wyoming, 2005. http://proquest.umi.com/pqdweb?did=888857891&sid=1&Fmt=2&clientId=18949&RQT=309&VName=PQD.

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Chen, Huan-Wei. "Kinematics and introduction to dynamics of a movable pair of tetrahedra." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=60590.

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A pair of equilateral tetrahedra is formed by drawing all the face diagonals of a cube. Holding one tetrahedron fixed, the motion of the other one is investigated, subject to the constraint that edges formed by the diagonals of the same cube face remain coplanar, i.e., intersect or coincide.<br>Based entirely on the solution of equations arising directly from this constraint, displacement of the movable tetrahedron is expressed as rigid body rotation with translation. This original result forms the foundation upon which kinematic and dynamic analyses are built: (1) Edge pair intersections are

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Ikoki, Bukoko. "Traitement symbolique des systèmes multicorps avec KINDA (Kinematics and Dynamics Analysis)." Thesis, Université Laval, 2008. http://www.theses.ulaval.ca/2008/25575/25575.pdf.

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Chumbinho, Rogerio Paulo Antunes. "Kinematics and dynamics of a cyclonic eddy off Pt. Arena, California." Thesis, Monterey, California. Naval Postgraduate School, 1994. http://hdl.handle.net/10945/42791.

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Approved for public release, distribution unlimited<br>In the near future our combat units will evolve into an integrated military force through the utilization of weapon systems that employ digital electronics to acquire, exchange, and employ timely digital information throughout the battlespace. This thesis justifies the need for an on-board digital tactical data system for Marine Corps armored vehicles with the presentation of potential digitization benefits and simulation analysis results. Unique operational requirements for a vehicular combat information system are presented with a specif

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Baharin, Iskandar Bin. "Kinematics, dynamics and vision sensing in a modified SCARA-type robot." Thesis, University of Bradford, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.292625.

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32

Varghese, Philip. "Dynamics and control of manipulating robots." Thesis, Virginia Tech, 1987. http://hdl.handle.net/10919/44693.

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<p>Dynamics and Control of manipulating robots currently is a major field of research in robotics. Various methods of efficiently formulating the non-linear dynamics have been proposed with an emphasis on reducing the computations necessary to solve the dynamics. Several control concepts and algorithms have been suggested.<br>Master of Science

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Abbott, Michael Shawn. "Kinematics, Dynamics and Control of Single-Axle, Two-Wheel Vehicles (Biplanar Bicycles)." Thesis, Virginia Tech, 2000. http://hdl.handle.net/10919/31702.

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A two-wheeled, single-axle, differentially driven vehicle possesses many salient advantages when compared to traditional vehicle designs. In particular, high traction factor, zero turn radius, and inherent static and dynamic stability are characteristics of this configuration. Drive torque is provided via a swinging reaction mass hanging below the axle. While mechanically simple, the resulting nonlinear vehicle dynamics can be quite complex. Additional design challenges arise if non-pendulating platforms or hardware mounts are required. Ultimately, this vehicle class has great potential i

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Bump, Alexander Pearsall. "Kinematics, dynamics, and mechanics of Laramide deformation, Colorado Plateau, Utah and Colorado." Diss., The University of Arizona, 2001. http://hdl.handle.net/10150/279791.

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The structure of the northern Colorado Plateau is dominated by a series of fault-bounded basement-cored uplifts: the Kaibab, Circle Cliffs, Miners Mountain, San Rafael Swell, Monument, and Uncompahgre uplifts. Outcrop-scale structures, including jointed Eshelby inclusions, stylolites, echelon vein arrays, deformation bands and meso-scale faults, suggest that the Monument and San Rafael Swell were formed by NW-SE-directed shortening while the other four uplifts were formed by SW-NE-directed shortening. Elastic modeling demonstrates that the simultaneous shortening in two directions is a result

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Callan, William Todd. "Kinematics and Fluid Dynamics of the Ventilatory Cycle in Carp (Cyprinus carpio)." W&M ScholarWorks, 2005. https://scholarworks.wm.edu/etd/1539626838.

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Henault-Brunet, Vincent. "Massive binary stars and the kinematics of Young Massive Clusters." Thesis, University of Edinburgh, 2013. http://hdl.handle.net/1842/8047.

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Located in the Large Magellanic Cloud, R136 is a rare example of a nearby young and dense massive star cluster in which individual stars can be resolved. Often suggested as a globular cluster in formation, its study is of great interest and promises to provide insights into the early dynamical evolution of massive star clusters. This is crucial to understand more extreme and distant starburst clusters, which contribute to a significant fraction of all current star formation in the Local Universe, in particular in interacting galaxies. The majority of this thesis is based on multi-epoch spectro

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Pokhrel, Nau R. "H I Structure and Kinematics of the Interstellar Medium in the LITTLE THINGS Galaxies." FIU Digital Commons, 2016. http://digitalcommons.fiu.edu/etd/3028.

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We present a catalog of the neutral atomic hydrogen structures (H I holes) and the analysis of their properties in nearby (≤ 10.3 Mpc) gas-rich dwarf galaxies of the LITTLE THINGS (Local Irregulars That Trace Luminosity Extremes, The H I Nearby Galaxy Survey) group. We used high sensitivity (≤ 1.1 mJy beam-1 channel-1), high velocity resolution (1.3 km s-1 to 2.6 km s-1) and high linear resolution (average ~110 pc; angular resolution ~6”) H I data of 37 dwarf irregulars and four blue compact dwarf galaxies. We cataloged H I holes in the entire sample and studied the of the properties of holes.

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Poon, Joseph Kin-Shing. "Multiprocessor-compatible inverse kinematics and path planning for robots." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/29165.

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Novel algorithms in robot inverse kinematics and path planning are proposed. Emphasis is placed on real-time execution speed with multiprocessors and adaptability to unpredictable environments. The inverse kinematics algorithm is an iterative solution which is applicable to many classes of industrial robots, and is stable at and around singularities. The method is based on a simple functional analysis of each link of a manipulator and projecting vectors on the coordinate frame of each joint. Heuristic rules are used to control a mobile manipulator base and to guide the manipulator in the ca

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Shin, Dong-hyuk. "Premixed flame kinematics in a harmonically oscillating velocity field." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/45950.

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Air pollution regulations have driven modern power generation systems to move from diffusion to premixed combustion. However, these premixed combustion systems are prone to combustion instability, causing high fluctuations in pressure and temperature. This results in shortening of component life, system failure, or even catastrophic disasters. A large number of studies have been performed to understand and quantify the onset of combustion instability and the limit cycle amplitude. However, much work remains due to the complexity of the process associated with flow dynamics and chemistry. This

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Centea, Dan Elbestawi Mohamed A. A. "Design, kinematics and dynamics of a machine tool based on parallel kinematic structure." *McMaster only, 2004.

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Xin, Ming. "Kinematics, Dynamics, and Controller Design for the Contour Crafting Cartesian Cable (C4) Robot." Ohio University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1213223249.

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Da, Rio Nicola, Jonathan C. Tan, Kevin R. Covey, et al. "IN-SYNC. V. Stellar Kinematics and Dynamics in the Orion A Molecular Cloud." IOP PUBLISHING LTD, 2017. http://hdl.handle.net/10150/625776.

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The kinematics and dynamics of young stellar populations enable us to test theories of star formation. With this aim, we continue our analysis of the SDSS-III/APOGEE IN-SYNC survey, a high-resolution near-infrared spectroscopic survey of young clusters. We focus on the Orion A star-forming region, for which IN-SYNC obtained spectra of similar to 2700 stars. In Paper IV we used these data to study the young stellar population. Here we study the kinematic properties through radial velocities (vr). The young stellar population remains kinematically associated with the molecular gas, following a s

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Johansson, Jakob. "Modelling and control of an advanced camera gimbal." Thesis, Linköpings universitet, Reglerteknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-86173.

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This thesis is about the modelling and control of three axis camera pan-roll-tilt unit (gimbal) which was meant to be attached to a multi rotor platform for aerial photography. The goal of the thesis was to develop a control structure for steering and active gyro stabilization of the gimbal, with aid from a mathematical model of the gimbal. Lagrange equations, together with kinematic equations and data from CAD drawings, were used to calculate a dynamics model of the gimbal. This model was set up as a Simulink simulation environment. Code for sensor reading and actuator control was written to

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Boudreaux, Andrew. "An investigation of student understanding of Galilean relativity /." Thesis, Connect to this title online; UW restricted, 2002. http://hdl.handle.net/1773/9718.

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Chae, Woen-sik. "EMG activity and kinematics of cycling movements at different pedal shaft widths." Virtual Press, 1995. http://liblink.bsu.edu/uhtbin/catkey/955093.

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The purpose of this study was to quantify the EMG activity of selected lower limb muscles during cycling, and to define the relationship between pedal shaft width and muscular involvement. This study has particular significance to the female cyclist who by virtue of pelvic width may have a less efficient pedalling force, or an imbalance of applied muscular force. Variables analyzed were hip, knee, ankle range of motion (ROM), biceps femoris(BF), vastus lateralis(VL), rectus femoris(RF), and vastus medialis(VMO) muscle activity. Significant differences among three different pedal shaft widths w

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Hemchandra, Santosh. "Dynamics of turbulent premixed flames in acoustic fields." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/29615.

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Thesis (Ph.D)--Aerospace Engineering, Georgia Institute of Technology, 2009.<br>Committee Chair: Lieuwen, Tim; Committee Member: Menon, Suresh; Committee Member: Peters, Norbert; Committee Member: Yang, Vigor; Committee Member: Zinn, Benjamin. Part of the SMARTech Electronic Thesis and Dissertation Collection.

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Bellini, Andrea, Mattia Libralato, Luigi R. Bedin та ін. "The HST Large Programme on ω Centauri. II. Internal Kinematics". IOP PUBLISHING LTD, 2018. http://hdl.handle.net/10150/627043.

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In this second installment of the series, we look at the internal kinematics of the multiple stellar populations of the globular cluster omega Centauri in one of the parallel Hubble Space Telescope (HST) fields, located at about 3.5 hal-flight radii from the center of the cluster. Thanks to the over 15 yr long baseline and the exquisite astrometric precision of the HST cameras, well-measured stars in our proper-motion catalog have errors as low as similar to 10 mu as yr(-1), and the catalog itself extends to near the hydrogen-burning limit of the cluster. We show that second-generation (2G) st

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Di, Giuseppe Erika. "Dynamics of subduction and implications for plate kinematics : insights from numerical and laboratory models /." Zürich : ETH, 2008. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=17833.

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Harris, Jamie. "The kinematics, dynamics and statistics of three-wave interactions in models of geophysical flow." Thesis, University of Warwick, 2013. http://wrap.warwick.ac.uk/58419/.

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We study the dynamics, kinematics and statistics of resonant and quasiresonant three-wave interactions appearing in models of geophysical flow. In these dispersive wave systems, the phenomenon of nonlinear resonance broadening plays a significant role across all three different branches of wave turbulence theory: from the statistical, to the discrete, and even the mesoscopic, formed as an intermediate regime between the two. The principal aim of this thesis is to understand the processes by which resonance broadening can induce a transition between each of these three different regimes. Beginn

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Shetty, Rahul. "Gas kinematics and dynamics [electronic resource: spiral structure and cloud formation in disk galaxies /." College Park, Md.: University of Maryland, 2007. http://hdl.handle.net/1903/7603.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2007.<br>Thesis research directed by: Dept. of Astronomy. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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