Design of three-dimensional hypersonic inlets with rectangular-to-elliptical shape transition

Smart, MK (1999) Design of three-dimensional hypersonic inlets with rectangular-to-elliptical shape transition. Journal of Propulsion And Power, 15 3: 408-416. doi:10.2514/2.5459


Author Smart, MK
Title Design of three-dimensional hypersonic inlets with rectangular-to-elliptical shape transition
Journal name Journal of Propulsion And Power   Check publisher's open access policy
ISSN 0748-4658
Publication date 1999-01-01
Sub-type Article (original research)
DOI 10.2514/2.5459
Volume 15
Issue 3
Start page 408
End page 416
Total pages 9
Place of publication Reston
Publisher Amer Inst Aeronaut Astronaut
Language eng
Abstract A methodology has been devised for the design of three-dimensional hypersonic Inlets, This methodology makes extensive use of inviscid stream-tracing techniques to generate an inlet with smooth shape transition from a rectangular-like capture to an elliptical throat. Highly swept leading edges and a significantly notched cowl enable use of these inlets in fixed geometry configurations. The design procedure includes a three-dimensional viscous correction and uses established correlations to check for boundary-layer separation caused by shock wave interactions. Complete details of the design procedure are presented and the characteristics of a modular inlet with a design point of Mach 6.0 are examined. Comparison with a classical two-dimensional inlet optimized for maximum total pressure recovery indicates that these three-dimensional inlets demonstrate good inviscid performance even when operating well below the design point. An estimate of the on-design viscous performance corresponds with that of an efficient inlet for scramjet applications.
Keyword Engineering, Aerospace
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Mechanical & Mining Engineering Publications
 
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Created: Wed, 17 Oct 2007, 20:25:04 EST