Tag Archives: SPACE RADIATION

RADIATION SHIELDING IN SPACE EXPLORATION–(E) RADIATION SHIELDING OF COMPOSITE SPACE ENCLOSURES

(BEING CONTINUED FROM  14/10/14) VI. SIMULATIONS VI.I Simulation environmentThe simulations were performed using Geant4 version 9.5. The simulation reference was defaultGeant4 aluminium. Material definitions included correction factors, derived from the firstmeasurement campaign, to estimate impurities on the layers.The layer thicknesses … Continue reading

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RADIATION SHIELDING IN SPACE EXPLORATION–(D) RADIATION SHIELDING OF COMPOSITE SPACE ENCLOSURES

(BEING CONTINUED FROM 22/01/14) V. EXPERIMENTAL TECHNIQUEThe work has focused on the preparation,dispersion, adhesion and orientation of nanofillersinto composite laminate for obtaining the required  functionality. The target has been to optimize the twotechnologies proposed for this integration (direct  resin bulk … Continue reading

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M – AR(E)S EXPEDITIONS (Vi) – ROVERSδlast

(being continued from 24/01/14) Ι)Mars 6: (FAILED) USSR, launched Aug. 5, 1973. The Mars flyby module and lander arrived on March 3, 1974 but the lander failed due to a fast impact.   ΙΑ)Mars 7: (FAILED) USSR, launched Aug. 9, … Continue reading

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M – AR(E)S EXPEDITIONS (IV) – ROVERSγ

(BEING CONTINUED FROM 28/05/13) Map of Mars, showing the location of Mars 2 center left, in relation to Viking 1, Mars Pathfinder and Opportunity. Η)Mars 2: (FAILED) USSR, launched May 19, 1971. The Mars orbiter and lander arrived on Nov. … Continue reading

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RADIATION SHIELDING IN SPACE EXPLORATION–(C) RADIATION SHIELDING OF COMPOSITE SPACE ENCLOSURES

(BEING CONTINUED FROM 25/05/13) Space electronic systems employ enclosures to shield sensitive components from space radiation. The purpose of shielding is to attenuate the energy and the flux of ionizing radiation as they pass through the shield material, such that … Continue reading

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M – AR(E)S EXPEDITIONS (III) – ROVERSβ

(BEING CONTINUED FROM 24/10/12) E)Mars Pathfinder / Sojourner Rover This artist’s concept shows the Mars Pathfinder lander and its Sojourner rover on Mars. Image credit: NASA/JPL-Caltech The Mars Pathfinder Sojourner Rover, a lightweight machine on wheels, accomplished a revolutionary feat … Continue reading

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M – AR(E)S EXPEDITIONS (II) – ROVERSα

(BEING CONTINUED FROM 17/2/12) SOURCE  http://en.wikipedia.org/wiki/Mars_rover Three Generations in Mars Yard, High Viewpoint This grouping of two test rovers and a flight spare provides a graphic comparison of three generations of Mars rovers developed at NASA’s Jet Propulsion Laboratory, Pasadena, … Continue reading

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