Results 21 to 30 of about 27,747 (308)

Predator, prey, and substrate interactions: the role of faunal activity and substrate characteristics

open access: yesEcosphere, 2019
Many taxa possess a range of strategies to reduce the risk of predation, including actively seeking suitable refuge habitats; however, the global spread of invasive species may disrupt these behavioral responses.
K. L. Mathers, S. P. Rice, P. J. Wood
doaj   +1 more source

Googles Augmented-Reality-Game "Ingress"

open access: yesMedienimpulse, 2013
Das an das  "Geocoaching"-Spielprinzip erinnernde Augmented-­Reality-Game "Ingress" ist auf allen mit Android-Betriebssystem ausgestatteten Smartphones spielbar. Das Alleinstellungsmerkmal des Spiels ist gleich­zeitig auch das beste Patent-Rezept für bzw.
Karl H. Stingeder
doaj   +1 more source

Effect of Ingress on Flow and Heat Transfer Upstream and Downstream of a Rotating Turbine Disc

open access: yesAerospace, 2019
Ingress is the penetration of a hot mainstream gas in a turbine annulus through the rim seal into the wheel-space between the rotating turbine disc (the rotor) and the adjacent stationary casing (the stator).
Hui Tang   +6 more
doaj   +1 more source

Ingress. Mobilités et sociabilités dans un jeu de réalité augmentée

open access: yesInterfaces Numériques, 2017
Cet article se présente comme une étude de cas de la pratique d’un jeu pervasif nommé Ingress. Il cherche à comprendre la façon dont ce jeu modifie l’organisation des déplacements quotidiens tout en générant différentes formes de collaboration et de ...
Julien Morel
doaj   +1 more source

Unsteady Flow Structures within a Turbine Rim Seal Cavity in the Presence of Purge Flow—An Experimental and Computational Unsteady Aerodynamics Investigation

open access: yesAerospace, 2019
Flow within the space between the rotor and stator of a turbine disk, and an area referred to as the rim seal cavity, develops azimuthal velocity component from the rotor disk.
Cengiz Camci   +2 more
doaj   +1 more source

Biomechanical investigation of optimal bed height for egressing and ingressing hospital beds

open access: yesHuman Factors in Healthcare, 2023
Aims and objectives: To determine what bed heights are optimal for egress and ingress to the bed, based on quantitative measures and subjective perception.
Ahmad Raza Usmani   +4 more
doaj   +1 more source

Hydro-sedimentological drivers of fine sediment ingress in a gravel-bed river [PDF]

open access: yes
Most studies investigating fine sediment ingress in gravel-bed rivers have been conducted at the laboratory scale, and even fewer have explored the ingress processes of flocculated particles. Here, an extensive in-situ sampling programme was undertaken
Collins, A. L.   +3 more
core   +1 more source

Goaf gas flow modelling in 6km long longwall panel [PDF]

open access: yesPodzemni Radovi, 2017
Understanding the goaf gas distribution in the start-up areas and in 6km long retreat panel is critical for developing gas management and spontaneous combustion (sponcom) control strategies.
Tanguturi Krishna   +2 more
doaj  

Numerical Investigation of Unsteady Interaction between Rim Seal Flow and Upstream Vane

open access: yesXibei Gongye Daxue Xuebao, 2019
To investigate unsteady interaction mechanism between the rim seal flow in turbine stator-rotor cavity and main flow, detailed unsteady numerical simulations of the flow field and unsteady characteristic of the vane were conducted under different rim ...

doaj   +1 more source

Large Eddy Simulation of Rotationally Induced Ingress and Egress around an Axial Seal between Rotor and Stator Disks

open access: yesEnergies, 2023
In gas turbines, the hot gas exiting the combustor can have temperatures as high as 2000 °C, and some of this hot gas enter into the space between the stator and rotor disks (wheelspace).
Sabina Nketia   +4 more
doaj   +1 more source

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