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Microgravity/Reduced Gravity Experiments

Regolith behavior under asteroid-level gravity conditions: low-velocity impact experiments

Regolith behavior under asteroid-level gravity conditions: low-velocity impact experiments

... impact experiments into simulated planetary regolith in low-gravity conditions using two experimental setups and a range of microgravity ...in Microgravity Experiment (PRIME) flew on several ...

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Flow regime transition criteria for two-phase flow at reduced gravity conditions

Flow regime transition criteria for two-phase flow at reduced gravity conditions

... under microgravity conditions that have been performed since the 1970s (Heppner et ...the experiments were conducted on parabolic flights such as in KC-135, MU-300, Learjet and IL-76, since they could ...

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Effects of spaceflight and simulated microgravity on microbial growth and secondary metabolism

Effects of spaceflight and simulated microgravity on microbial growth and secondary metabolism

... to gravity are attained by three possible ...of gravity. Thus, the microorganisms may respond to microgravity or reduced gravity via the changing micro- environment in the ...simulated ...

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Microgravity and Nanomaterials

Microgravity and Nanomaterials

... spaceflight experiments, but they also facilitate stand-alone studies and thus provide additional and cost-efficient platforms for gravitational ...of reduced gravity conditions ...

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The oxidative burst reaction in mammalian cells depends on gravity

The oxidative burst reaction in mammalian cells depends on gravity

... altered gravity conditions was studied in NR8383 rat alveolar macro- phages by means of a luminol ...Ground-based experiments in “ functional weightlessness ” were performed using a 2 D clinostat combined ...

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Rotating gravity currents: small scale and large scale laboratory experiments and a geostrophic model

Rotating gravity currents: small scale and large scale laboratory experiments and a geostrophic model

... For the derivation of our model we assumed that the flow is steady and that there are no variations along the current. However, the experiments have shown that this is not the case. Figure 11 revealed, for ...

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Sensorimotor adaptations to microgravity in humans

Sensorimotor adaptations to microgravity in humans

... a microgravity environment is how the environment alters the pattern of use of a ...the microgravity, or more generally the space flight, environment affects the activity patterns of the neuromuscular ...

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The European Neighborhood policy: towards a new EU MED partnership?

The European Neighborhood policy: towards a new EU MED partnership?

... in gravity estimates, especially with reference to the actual limit of the standard measures of taking into account of bilateral trade among provinces in different countries (Leamer, 1997; Wolf, 1997; Head and ...

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Exploring dynamic similarity in human running using simulated reduced gravity

Exploring dynamic similarity in human running using simulated reduced gravity

... in reduced- gravity running ...simulated gravity that equated to the same Groucho number, they had different relative stride lengths ...and gravity on duty factor and relative peak vertical ...

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Fluid volume control during short term space flight and implications for human performance

Fluid volume control during short term space flight and implications for human performance

... in microgravity, probably as a result of transcapillary fluid filtration into upper-body interstitial ...in microgravity, such that diuresis cannot explain microgravity-induced ...and reduced ...

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An experimental study of particle-driven gravity currents on steep slopes with entrainment of particles

An experimental study of particle-driven gravity currents on steep slopes with entrainment of particles

... particle-driven gravity currents on steep ...driven gravity currents on gentle slopes, Hopfinger and Tochon-Danguy (1977), Beghin et ...particle-driven gravity currents on steep slopes, a subject ...

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Response of membrane tension to gravity in an approximate cell model

Response of membrane tension to gravity in an approximate cell model

... However, there are some obvious deficiencies in this study. Firstly, due to the very complex structure of eukaryotic cells, the proposed vesicle model may not be suitable for studying the eukaryotic cells. Since some ...

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Oxygen enhanced microgravity ethane flames

Oxygen enhanced microgravity ethane flames

... The temperature (Figure 3) and fuel mass fraction (Figure 4) along the axial direction (at r=0) show similar values for the zero-gravity and earth-gravity inverse-diffusion flames. The flame temperatures ...

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Foam flow investigation in 3D printed porous media : fingering and gravitational effects

Foam flow investigation in 3D printed porous media : fingering and gravitational effects

... and gravity segregation on fluids separation, we conducted experiments in horizontal and vertical orientations in a printed porous ...all experiments, foam was generated in-situ by intermittent ...

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CFD modelling of buoyancy driven natural ventilation opposed by wind

CFD modelling of buoyancy driven natural ventilation opposed by wind

... in reduced gravity (temperature difference) between them are compared with the analytical work and salt-bath measurements of Hunt and Linden (2000, ...

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Synergistic role of hydroxyapatite nanoparticles and pulsed electromagnetic field therapy to prevent bone loss in rats following exposure to simulated microgravity

Synergistic role of hydroxyapatite nanoparticles and pulsed electromagnetic field therapy to prevent bone loss in rats following exposure to simulated microgravity

... HAp nanoparticles adsorb significantly greater amounts of proteins and induce enhancement of subsequent cell adhe- sion and proliferation. When we used them synergistically, an increase in BMD, calcuim, phosphatase, ALP, ...

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Effects of microgravity on cell cytoskeleton and embryogenesis

Effects of microgravity on cell cytoskeleton and embryogenesis

... in microgravity could cause dysmorphology to occur during ...in microgravity (Vassy et ...in microgravity and an alteration in chromatin structure was observed in interphase cells (Vassy et ...in ...

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The effect of reduced gravity on the kinematics of human walking: a test of the dynamic similarity hypothesis for locomotion

The effect of reduced gravity on the kinematics of human walking: a test of the dynamic similarity hypothesis for locomotion

... simulating reduced gravity involve compromises (Davis and Cavanagh, ...of reduced gravity simulation applies vertical force only to the torso and, as a result, the limbs still experience Earth ...

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Recommendations for ESA's Future Programme in Life and Physical Sciences in Space

Recommendations for ESA's Future Programme in Life and Physical Sciences in Space

... . The standard criteria for scientific excellence have been applied, as shown by the following facts: (i) evaluation of the results obtained during the last five years has led to high quality publications; (ii) the ...

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Analysis of liquid metal foams through X ray radioscopy and microgravity experiments

Analysis of liquid metal foams through X ray radioscopy and microgravity experiments

... In our experiments, analysis is performed within a period of just a few seconds aer the transition from 0g to 1.8g, and therefore the effect of bubble coarsening caused by gas diffu- sion can be neglected (as can ...

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