Thermophysics and Thermal ControlRaymond Viskanta |
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Page 4
... solar sail required for primary propulsion introduced a new set of tech- nical challenges . The size of the sail is established by the mission per- formance requirements . For a Halley's comet mission , the allowable weight of the sail ...
... solar sail required for primary propulsion introduced a new set of tech- nical challenges . The size of the sail is established by the mission per- formance requirements . For a Halley's comet mission , the allowable weight of the sail ...
Page 389
... solar sail . SPACECRAFT 7500 m UPPER BLADES ( 6 ) CENTRAL HUB MESH 8 m LOWER BLADES ( 6 ) Fig . 2 Heliogyro solar sail . The spinning disk and electrosail were dropped from considera ... sun THERMAL STUDIES FOR A SOLAR SAIL SPACE VEHICLE 389.
... solar sail . SPACECRAFT 7500 m UPPER BLADES ( 6 ) CENTRAL HUB MESH 8 m LOWER BLADES ( 6 ) Fig . 2 Heliogyro solar sail . The spinning disk and electrosail were dropped from considera ... sun THERMAL STUDIES FOR A SOLAR SAIL SPACE VEHICLE 389.
Page 390
... solar sail by " cranking " the orbit plane around the sun , most efficiently in close proximity to the sun , near 0.25 a.u. for a 1982 launch . The thermal control of a solar sail focuses on the sur- vivability of the sail film system ...
... solar sail by " cranking " the orbit plane around the sun , most efficiently in close proximity to the sun , near 0.25 a.u. for a 1982 launch . The thermal control of a solar sail focuses on the sur- vivability of the sail film system ...
Contents
Thermal Radiative Properties of Solar Sail Film Materials | 3 |
Infrared Reflectance and Refractive Index of Condensed Gas Films | 22 |
FarInfrared Properties of Baffle Coating Materials | 39 |
Copyright | |
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AIAA aluminum analysis angle of attack Astronautics black epoxy paint blanket boundary calorimeter coating coefficient configuration constriction resistance contact area convection cooled correlation cryodeposits cryogen deposit thickness detector determined developed dimensionless dissimilar metal distribution emittance Engineering epoxy equation evaluated experimental film flight frit groove heat flow heat flux heat leak heat loss Heat Transfer heat-transfer heater increase insulation system integral integrating sphere Kapton laser load material MAWD measured microcontacts microspheres MLI system multilayer insulation NASA nodes obtained orbit parameters predicted presented pressure radiation radiative ratio refraction refractive index REYNOLDS ANALOGY sail sample shield shown in Fig solar absorptance solar sail solid Space spacecraft spectral reflectance sphere stainless steel substrate surface Table tank temperature thermal conductivity thermal contact conductance thermal control thermal performance thermocouples Thermophysics tion titania vacuum values view angle wall wavelength ZIRCALOY