CRaTER Thermal AnalysisContents+29 C, Instrument OnSlide 5-30 C, Instrument OnSlide 7-40 C, Instrument OffSlide 9Slide 10Cold CaseSlide 12PowerPoint PresentationSlide 14Hot Case (Bright Case)Hot Case, Bright CaseHot Case – Dark CaseHot Case, Dark CaseSlide 19Slide 20Cosmic RAy Telescope for the Effects of RadiationCRaTER Thermal AnalysisEric O’Dea(Post PSR Addendum)12 May 2008Thermal Engineering 2Cosmic RAy Telescope for the Effects of RadiationContentsThe results of the Thermal Balance Tests conducted at Lincoln Labs, compared with the Thermal Model predictions for those tests. Included are numbers for temperatures and heat flows.The thermal model flight predictions, for hot case and cold case, including numbers for temperatures and heat flows.12 May 2008Thermal Engineering 3Cosmic RAy Telescope for the Effects of Radiation Thermal Balance Tests12 May 2008Thermal Engineering 4Cosmic RAy Telescope for the Effects of Radiation+29 C, Instrument On•Shrouds: 29 C•Plate: 29 C•Box: 32.7 C model, 33 C test•Scope: 32.5 model, 33 C test•+ 6.60 W (internal power)•- 6.41W (to mounting plate)•- 0.06 W (out apertures)•- 0.13 W (out blankets)12 May 2008Thermal Engineering 5Cosmic RAy Telescope for the Effects of Radiation+29 C, Instrument On12 May 2008Thermal Engineering 6Cosmic RAy Telescope for the Effects of Radiation-30 C, Instrument On•Shrouds: -190 C•Plate: -30 C•Box: -29 C model, -27 C test•Scope: -31 model, -29 C test•+ 6.60 W (internal power)•- 3.97 W (to mounting plate)•- 0.74 W (out apertures)•- 1.89 W (out blankets)12 May 2008Thermal Engineering 7Cosmic RAy Telescope for the Effects of Radiation-30 C, Instrument On12 May 2008Thermal Engineering 8Cosmic RAy Telescope for the Effects of Radiation-40 C, Instrument Off•Shrouds: -190 C•Plate: -40 C•Box: -41.3 C model, -41 C test•Scope: -43 C model, -43 C test•+ 0 W (internal power)•- +2.14 W (from mounting plate)•- 0.60 W (out apertures)•- 1.54 W (out blankets)12 May 2008Thermal Engineering 9Cosmic RAy Telescope for the Effects of Radiation-40 C, Instrument Off12 May 2008Thermal Engineering 10Cosmic RAy Telescope for the Effects of Radiation Flight Predicts12 May 2008Thermal Engineering 11Cosmic RAy Telescope for the Effects of RadiationCold Case•Boundary Nodes: -270.15 C•Spacecraft Interface: ~ -8 C•Box: -7.0 C to -8.6 C•Scope: -9.6 C to -11.2 C•+ 6.6 W (internal power)•- 4.07 W (to spacecraft interface)•- 1.04 W (out apertures)•- 1.49 W (out blankets)12 May 2008Thermal Engineering 12Cosmic RAy Telescope for the Effects of RadiationCold Case12 May 2008Thermal Engineering 13Cosmic RAy Telescope for the Effects of Radiation12 May 2008Thermal Engineering 14Cosmic RAy Telescope for the Effects of Radiation12 May 2008Thermal Engineering 15Cosmic RAy Telescope for the Effects of RadiationHot Case (Bright Case)•Boundary Nodes: -270.15 C•Spacecraft Interface: ~16 C•Box: 16 C to 18.5 C•Scope: 17.5 C to 20.2 C•+ 6.6 W (internal power)•- 5.95 W (to spacecraft interface)•- 0.6 W (out apertures)•+ 0.05 W (in blankets)12 May 2008Thermal Engineering 16Cosmic RAy Telescope for the Effects of Radiation Hot Case, Bright Case12 May 2008Thermal Engineering 17Cosmic RAy Telescope for the Effects of RadiationHot Case – Dark Case•Boundary Nodes: -270.15 C•Spacecraft Interface: ~2.5 C•Box: 2.5 C to 4.3 C•Scope: 1.5 C to 2.0 C•+ 6.6 W (internal power)•- 6.23 W (to spacecraft interface)•- 0.32 W (out apertures)•- 0.05 W (out blankets)12 May 2008Thermal Engineering 18Cosmic RAy Telescope for the Effects of RadiationHot Case, Dark Case12 May 2008Thermal Engineering 19Cosmic RAy Telescope for the Effects of Radiation •12 May 2008Thermal Engineering 20Cosmic RAy Telescope for the Effects of
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