Global ETD Search

H-Delta: design and applications of a novel 5 degree of freedom parallel robot

Hodgins, JonathanUniversity of Ontario Institute of Technology2018

… presents a new parallel 5 DOF robot called the H-Delta. The H- Delta adds 2 degrees of freedom (DOF) to the traditional Delta robot in a novel way, adding functionality and versatility. Importantly, the rotational DOF are decoupled, independent of the translational movement. This thesis begins by …

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Temporal Variations of delta 2 H, delta 18 O and Deuterium Excess in Atmospheric Moisture and Improvements in the CO 2 -H 2 O Equilibration Technique for 18 O/ 16 O Isotope Ratio Analysis

Agemar, ThorstenUniversität Heidelberg

A continuous 18-year record (1981-2000) of the stable isotope ratios D/H and 18O/16O in atmospheric water vapour collected at the Central European site Heidelberg (49° 25’ N and 8° 41’ E) is analysed. Its basic features, such as seasonal variations of D/H and 18O/16O, are discussed and compared …

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Development of a New Ca II H and K Spectrophotometric Temperature Index

Moncrieff, Kathleen Elizabeth2007

… indices centered on each of the H-delta and H-gamma lines, which are in the same region of the spectrum. We compared our new index value with the H-beta index values for the stars in our data set that had published H-beta values. We found that the Ca II K-H index was the best …

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Sturcture of Three-Dimensional Separated Flow on Symmetric Bumps

Byun, GwiboVirginia Tech2005

… thickness Reynolds number, 7300 and thickness delta over two circular based axisymmetric bumps of height H = delta and 2delta and one rectangular based symmetric bump of H = 2delta. LDV data were obtained at one plane x/H Â¥ 3.26 for each case. Complex vortical separations occur on the leeside …

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Infinitely Often Dense Bases and Geometric Structure of Sumsets

Lee, JaewooThe Graduate School and University Center of The City University of New York2021

… h, any integral point in the polytope h * Delta, whose distance to the boundary is bigger than rho, belongs to the sumset hA..</p>

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Turbulence Structure Of Plane Surface Jets In A Current

Zaghloul, Ahmed M1996

… and the velocity half-width ({dollar}delta).{dollar} The free surface adjusted the pressure gradient and maintained self-similarity in the present experiments. This trend of self-similarity of velocity profiles deviated from the Gaussian distribution in the fully-developed region of …

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An Investigation into Delta Wing Vortex Generators as a Means of Increasing Algae Biofuel Raceway Vertical Mixing Including an Analysis of the Resulting Turbulence Characteristics

Godfrey, Aaron H.

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