Results 211 to 220 of about 50,863 (244)
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Brain Research, 2006
The Mars Gravity Biosatellite will offer investigators a unique environment for sensorimotor research. Fifteen mice will fly for 5 weeks in low Earth orbit before being returned safely to the ground. Chronic 35-rpm rotation will produce artificial gravity equal to that on the surface of Mars (0.38 g).
Erika B, Wagner +1 more
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The Mars Gravity Biosatellite will offer investigators a unique environment for sensorimotor research. Fifteen mice will fly for 5 weeks in low Earth orbit before being returned safely to the ground. Chronic 35-rpm rotation will produce artificial gravity equal to that on the surface of Mars (0.38 g).
Erika B, Wagner +1 more
openaire +2 more sources
The dynamics of steady, partial‐depth intrusive gravity currents
Atmosphere-Ocean, 2008Abstract Experiments of intrusive gravity currents generated by lock exchange offer insights into atmospheric and oceanic flows. However, whereas many previous investigations have considered the full‐depth’ lock exchange problem, in which the intermediate density fluid initially spans the entire channel depth, less is known about ‘partial‐depth ...
P. F. Linden, T. Boubarne, M. R. Flynn
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The Mars Gravity Biosatellite: Thermal Design Strategies for a Rotating Partial Gravity Spacecraft
SAE Technical Paper Series, 2007<div class="htmlview paragraph">A rotating spacecraft which encloses an atmospheric pressure vessel poses unique challenges for thermal control. In any given location, the artificial gravity vector is directed from the center to the periphery of the vehicle.
Thaddeus R. F. Fulford-Jones +5 more
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Impact of Microgravity and Partial Gravity on Cardiac Shape
42nd International Conference on Environmental Systems, 2012The impact of gravitational loading on the cardiac shape is studied numerically through application of two different constitutive models for the cardiac tissue. Transversely isotropic and orthotropic cardiac materials models are incorporated into a finite element heart model that includes a realistic 3D cardiac geometry based on detailed cardiac fiber ...
Ilana Iskovitz +2 more
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2020
Humans exhibit an abrupt switch from walking to running in Earth gravity, suggesting at different gaits being modulated by different neuronal networks. This abrupt change is indicated in significant changes in muscle activity during a gait transition.
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Humans exhibit an abrupt switch from walking to running in Earth gravity, suggesting at different gaits being modulated by different neuronal networks. This abrupt change is indicated in significant changes in muscle activity during a gait transition.
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Energetics and mechanics for partial gravity locomotion.
Aviation, space, and environmental medicine, 1995The role of gravitational acceleration on human locomotion is not clearly understood. It is hypothesized that the mechanics and energetics of locomotion depend upon the prevailing gravity level. A unique human-rated underwater treadmill and an adjustable ballasting harness were used to stimulate partial gravity environments. This study has two research
D J, Newman, H L, Alexander, B W, Webbon
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Gravity-Driven Laminar Flow in a Partially-Filled Pipe
Chemical Engineering Research and Design, 2001The Boundary Element Method (BEM) is used to evaluate the integral and local flow properties of gravity-driven laminar flow in a partially filled pipe accounting for the correct free surface shape. With the BEM, any interface shape can be specified and only the solution values on the interface are evaluated, minimizing the computational time and ...
T.S. Ng, C.J. Lawrence, G.F. Hewitt
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Observations of Delayed Gravity Response in Partially Penetrating Wells
Groundwater, 1990ABSTRACT A 72‐hour aquifer test was conducted at the Sweet‐water Recharge site in Tucson, Arizona for the purpose of estimating aquifer parameters using the graphical curve‐matching technique of Neuman (1974). These parameter estimates will be used to estimate the movement of ground water under seasonal recharge and recovery ...
Peter Mock, Jeanne Merz
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The Mars Gravity Biosatellite as an innovative partial gravity research platform
2008The Mars Gravity Biosatellite is an unprecedented independent spaceflight platform for gravitational biology research. With a projected first launch after 2010, the low Earth orbit satellite will support a cohort of fifteen 14.5- to 25.5-week-old female BALB/cByJ mice for up to five weeks.
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LES of partial-depth colliding gravity currents
Proceedings of the 39th IAHR World Congress, 2022Angelos Kokkinos, Panagiotis Prinos
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