2,484 research outputs found
[Austin, Texas Fire Department Patch]
No full textPatch from the Austin, Texas fire department. The shield-shaped patch has two shades of blue backgrounds and yellow edging. The fang shaped top section contains "Austin" in yellow letters. The shield-shaped lower section has "Fire Dept." written on top and the image of a fire helmet, fire hook, and ladder situated over a ball of fire
Entrainment of a turbulent patch in a stratified fluid
No full textTurbulent patches are localized events of turbulence, typically characterized by sharp differences between the flow characteristics across their interfaces. These localized events might add to the global mixing, heat exchange and mass transfer, playing a non-negligible role in the total energy balance in lakes or the ocean. This study takes a detailed look at the inner structure of a localized, mechanically forced patch in a linearly stratified ambient using laboratory experiments utilizing synchronized PIV and PLIF. The results point out that the role of the turbulent/non-turbulent interface at the edge of the patch could be significant in determining the growth rate and the maximum size of the patch
Cotesia urabae Austin & Allen 1989
No full textCotesia urabae Austin & Allen, 1989 Fig. 31 A–B Cotesia urabae Austin & Allen, 1989: 171 (holotype, ♀, ANIC). Cotesia urabae – Austin & Dangerfield 1992: 22. Diagnosis Cotesia urabae can be separated from all other species of Cotesia currently described from Australia and Papua New Guinea by the following combination of characters: T1 broadening consistently posteriorly, almost wedge shaped; scutellar disk smooth with small punctures associated with setae; mesosoma not dorsoventrally flattened; hind coxa and metasoma as dark; ocelli normal sized, ocular-ocellar line/ posterior ocellus diameter <2.4; fore wing vein r normally longer than, occasionally of similar length to 2RS; hind tibia with only a very small darkened patch, mainly in dorsal view. Material examined Paratype AUSTRALIA • ♀; South Australia, Waite Agricultural Research Institute lab colony; Jan. 1986; G.R. Allen leg.; ex. Uraba lugens; WINC. Distribution SA (record from original description), Tas (record from Muirhead et al. 2006; Rowbottom et al. 2013), New Zealand (introduced, see Avila et al. 2015). Host Uraba lugens Walker, 1866 (Noctuidae), solitary (record from original description). Remarks As this species is only recently described and the description is relatively complete, here we provide only new characters or measurements relevant to the diagnosis, and refer otherwise to the description in Austin & Allen (1989).Published as part of Fagan-Jeffries, Erinn P. & Austin, Andrew D., 2020, Synopsis of the parasitoid wasp genus Cotesia Cameron, 1891 (Hymenoptera: Braconidae: Microgastrinae) in Australia, with the description of seven new species, pp. 1-70 in European Journal of Taxonomy 667 on pages 56-58, DOI: 10.5852/ejt.2020.667, http://zenodo.org/record/389932
Lifetime of turbulent patch in Taylor Couette setup
No full textIn linearly stable shear flows like pipe and plane Couette flows, the transition from the laminar to the turbulent regime occurs abruptly. To better understand this transition, the time evolution of turbulent patches, created by controlled finite amplitude perturbations, have been studied in the literature. These studies mostly focused on pipe flows for which a finite lifetime of the patch was proven. The same conclusion was drawn in the only available study performed in a Taylor Couette setup. Here, we measured the lifetime in a different size TC setup. We show that the lifetime is indeed finite and also very sensitive to the boundary condition, but not much to the perturbation mechanism. We suggest that in addition to the Reynolds number, the lifetime depends on the aspect ratio to the radius ratio of the setup
The Sensor Patch: Group Energy
No full textThe objective of the bachelor graduation project detailed in this thesis is to develop a wireless sensor patch that monitors the health of newborns. The sensor patch replaces the monitoring tasks of nurses during maternity care. The patch measures temperature, heart rate, oxygen saturation and bilirubin. Many babies are born with high bilirubin, causing a condition called newborn jaundice. All measurements will be done once every two hours and the data will be sent to the hospital.This thesis focuses on everything related to energy and power within the wireless sensor patch. Energy storage, power and energy management and visualising data with the aid of a MATLAB model are topics that will be designed and implemented in this thesis
A Novel Heatsink Attached mm-Wave Active Patch Antenna With Adjustable Frequency and Cooling
No full textIn this study, the thermal management problem of the modern communication systems with small array sizes is addressed. A novel dual-functional active antenna design strategy is introduced for adjustable frequency of operation and cooling extension at millimeter-wave bands. The concept is based on placing different types of heatsinks on the same patch antenna. The electromagnetic and thermal behavior of the proposed heatsink structures are presented via simulations. Reconfigurable operation at 24, 26, and 28 GHz frequencies with 23 to 28 degrees of extra cooling in the chip as compared to the conventional patch is achieved.Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.MicroelectronicsMicrowave Sensing, Signals & System
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Welcome to the Boulder Patch (2014)
No full textA visual tour of the Boulder Patch habitat as well as highlights of underwater field work by the Dunton Lab at the University of Texas at Austin Marine Science Institute.
https://utmsi.utexas.edu/Marine Scienc
Crazy-patch quilt, Utah, 1953
No full textDetailed view of crazy-patch quilt design in squares.QuiltsQuilt
[Photograph 2012.201.B0262B.0038]
No full textPhotograph used for a story in the Oklahoma Times newspaper. Caption: "Patch the Pony gets the attention of, left to right, Mrs. Margaret Liles, his creator; Mrs. Helen wood, Barnes P-TA; Mrs. James W. Trent, Midwest City-Del City P-TA Council; William F. Austin Jr., schools curriculum director, and Sgt, Billy J. Hopkins, Midwest City police juvenile officer.
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