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Effect of wing sweep, angle of attack, Reynolds number, and wing root fillet on the interference heating to the wing windward surface of an entry vehicle configuration / by Louis E. Clark.
- Format:
- Book
- Government document
- Author/Creator:
- Clark, Louis E., author.
- Series:
- NASA technical note ; D-7060.
- NASA/TN ; D-7060
- Language:
- English
- Subjects (All):
- Space vehicles--Atmospheric entry.
- Space vehicles.
- Leading edges (Aerodynamics).
- Aerodynamic heating.
- Aerothermodynamics.
- Space shuttles.
- space shuttles.
- Physical Description:
- 1 online resource (52 pages) : illustrations.
- Place of Publication:
- Washington, D.C. : National Aeronautics and Space Administration, December 1972.
- Summary:
- The phase-change-coating technique was used to study the interference heating to the windward surface of 14 deg, 25 deg, and 50 deg swept wings of an entry vehicle configuration. One wing root of each model was faired to the fuselage with a fillet. Tests were made at Mach 8 at angles of attack of 0 deg, 20 deg, 40 deg, and 60 deg and at free-stream Reynolds numbers based on model length of 0.47 and 1.7 million. Bow shock impingement heating was found to increase in magnitude and affected area with increasing angle of attack until at a higher angle of attack it decreases; this angle of attack is lower for a 50 deg swept wing. Wing root interference heating was found to increase with angle of attack up to 40 deg and then to remain approximately constant. Consequently, wing root interference heating becomes the major type of interference heating at large angles of attack, and this occurs at a lower angle of attack for the highest sweep angle. A wing leading-edge root fillet reduces the peak in wing root interference heating near the leading edge, and increasing Reynolds number increases the level of interference heating.
- Notes:
- "December 1972."
- Includes bibliographical references (page 10).
- Description based on online resource, PDF version; title from title page (NASA, viewed on June 1, 2021).
- Other Format:
- Online version: Clark, Louis E. Effect of wing sweep, angle of attack, Reynolds number, and wing root fillet on the interference heating to the wing windward surface of an entry vehicle configuration
- OCLC:
- 23295306
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