Thermal distortion of a paraboloidal shell
Robert J. Platt (Jr.), Marvin D. Rhodes, United States. National Aeronautics and Space Administration, Langley Research Center
National Aeronautics and Space Administration, 1971 - Technology & Engineering - 24 pages
Deformations of paraboloidal shell subjected to axisymmetric thermal loads.
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22 inner lamps 95 volts analytical solution arc lamp average axis axisymmetric thermal loads axisymmetrical temperature distributions bank of tungsten coefficient of thermal computer program concave surface convex surface crown glass cryopanels cold epoxy equations Flagged symbols represent glass microspheres horizontal meridian lamps at 95 lamps at l20 Langley Research Center lens-mirror liquid nitrogen measured rotations meters see fig monitoring the motion mrad MSTP NASA paraboloidal shell subjected paraboloidal-shell surface due perature phenolic presented in reference principal curvature program of reference radial deformation Radial station radially varying radians see fig radiant energy reflected from small represent right side rotation of paraboloidal-shell shell geometry shell surface shell thickness shell was suspended shown in figure side of paraboloidal spot deflections subjected to axisymmetric SUBROUTINE FORCE symbols represent right temperatures along horizontal test model test shell theoretical rotation thermal distortion thermal expansion thermocouples thin paraboloidal shell tungsten lamps viewing screens Young's modulus