Results 181 to 190 of about 1,322,842 (239)

Leveraging machine learning for digital gait analysis in ataxia using sensor-free motion capture. [PDF]

Commun Med (Lond)
Wegner P, Grobe-Einsler M, Reimer L, Kahl F, Koyak B, Elter T, Lange A, Kimmich O, Soub D, Hufschmidt F, Bernsen S, Ferreira M, Klockgether T, Faber J.   +13 more
europepmc   +1 more source

Metal-Carbon Synergy in C60@Ru Nanocomposite for High-Performance Hydrazine Fuel. [PDF]

ACS Omega
Mu X, Wang J, Wang S, Zhang Y, Yang J.
europepmc   +1 more source

Magnetohydrodynamic peristaltic flow of hybrid nanofluid in an asymmetric channel with thermal radiation and shape factors: an application of coolant systems. [PDF]

Discov Nano
Thirunavukarasan K, Sucharitha G.
europepmc   +1 more source

Polymer-Based Thermal Protective Composites: The Role of Reinforcement and Matrix in Providing Strength and Fire Resistance. [PDF]

Polymers (Basel)
Meiirbekov M, Kuandyk A, Sadykov M, Nurzhanov M, Yesbolov N, Baiserikov B, Ablakatov I, Mustafa L, Medyanova B, Kulbekov A, Orazbek S, Orazbek S, Yermekov A.   +12 more
europepmc   +1 more source

Four-pixel sum-preserving encryption using the chaotic map for high thumbnail-preserving image security. [PDF]

Sci Rep
Kao CH, Chen GZ, Hou YY, Liao TL.
europepmc   +1 more source

Plasma structuring within an expanded polar cap and cusp studied with the SS-520-3 sounding rocket. [PDF]

Earth Planets Space
Buschmann LM, Asamura K, Clausen LBN, Jin Y, Kojima H, Kumamoto A, Kurita S, Ogawa Y, Oksavik K, Saito Y, Spicher A, Yokota S, Miloch WJ.   +12 more
europepmc   +1 more source

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The regolith rocket—A hybrid rocket using lunar resources

Acta Astronautica, 2021
Abstract The use of lunar hybrid rockets, that connect the Moon surface with a lunar gateway and provide it with resources, are evaluated. Therefore, the composition of lunar regolith and its use for specific rocket subsystems is assessed. In particular, this work evaluates the use of oxygen and aluminum from regolith as oxidant/fuel mixture as well ...
Enrico Stoll
exaly   +3 more sources

Hybrid rocket instability

29th Joint Propulsion Conference and Exhibit, 1993
The paper provides a brief review of theoretical and experimental studies concerned with hybrid rocket instability. The instabilities discussed include atomization and mixing instabilities, chuffing instabilities, pressure coupled combustion instabilities, and vortex shedding.
B. GREINER, R. FREDERICK, JR.
openaire   +1 more source

Analysis of hybrid rocket combustion

Acta Astronautica, 1980
Abstract The problem involving flow of a turbulent boundary layer with mass injection and combustion is studied to investigate the hydrid rocket combustion. Because of the presence of combustion, the momentum equation is coupled to the energy and species equations.
Cherng, D. L., Tao, C. C.
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Hybrid rocket combustion study

29th Joint Propulsion Conference and Exhibit, 1993
The objectives of this study of 'pure' or 'classic' hybrids are to (1) extend our understanding of the boundary layer combustion process and the critical engineering parameters that define this process, (2) develop an up-to-date hybrid fuel combustion model, and (3) apply the model to correlate the regression rate and scaling properties of potential ...
L. STRAND, R. RAY, N. COHEN
openaire   +1 more source