Heating Augmentation in Laminar Flow Due to Heat-Shield Cavities on the Project Orion CEV | Zendy

Brian R. Hollis | Zendy

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Heating Augmentation in Laminar Flow Due to Heat-Shield Cavities on the Project Orion CEV

Author(s) -

Brian R. Hollis

Publication year - 2008

Publication title -

aiaa atmospheric flight mechanics conference and exhibit

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.2008-6558

Subject(s) - laminar flow , shield , mechanics , flow (mathematics) , materials science , heat shield , physics , geology , composite material , petrology

An experimental study has been conducted to assess the effects of compression pad cavities on the aeroheating environment of the Project Orion CEV heat-shield at laminar conditions. Testing was conducted in Mach 6 and Mach 10 perfect-gas wind tunnels to obtain heating measurements on and around the compression pads using global phosphor thermography. Consistent trends in heating augmentation levels were observed in the data and correlations of average and maximum heating at the cavities were formulated in terms of the local boundary-layer parameters and cavity dimensions. Additional heating data from prior testing of Genesis and Mars Science Laboratory models were also examined to extend the parametric range of cavity heating correlations.

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