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LOCAL WALL HEATING VARIATION DURING ORBIT
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100-layer blanket active optics adjacent heat pipes alternating sunlight aluminized plastic sheet analysis analytical methods antisolar point assumed axis normal balloon circumferential distribution circumferential heat pipes circumferential temperature nonuniformity constant cylinder radius cylinder wall Distance from mirror e^xd Echo satellites emissivity Fourier coefficients Fourier series geosynchronous orbit heat conduction heat radiated heat transfer heat-pipe heated collars heated isothermal collar infinite cylinder inside integral equation internal radiation internal surface Langley Research Center large space telescope longitudinal location low orbit midway between adjacent multilayer insulation NASA normal to solar open end radiation conductance radiation input radiation received radii secondary mirror simultaneous equations singly aluminized Mylar sketch solar constant solar rays Stefan-Boltzmann constant subsolar area sunlight and shadow Synchronous Orbit telescope tube temperature control temperature uniformity term thermal Tmax tube wall ture uniform temperature unit area vapor chamber view factor wall conduction wall temperature watts