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RESEARCH PAPERS

Ramjet Powered Missile Design Using a Genetic Algorithm

[+] Author and Article Information
Roy J. Hartfield, Rhonald M. Jenkins, John E. Burkhalter

Aerospace Engineering, Auburn University, Auburn, AL

J. Comput. Inf. Sci. Eng 7(2), 167-173 (Mar 14, 2007) (7 pages) doi:10.1115/1.2738722 History: Received July 19, 2005; Revised March 14, 2007

A methodology for developing optimized designs for symmetric-centerbody ramjet powered missiles, using a genetic algorithm as the driver for the system optimization process, has been developed. The methodology described in this paper allows for a comprehensive but efficient exploration of the design space. This global optimization process is made possible by performance prediction codes, which can provide preliminary design-level accuracy very efficiently. This work demonstrates the first truly comprehensive design strategy for this type of device. The paper contains a discussion of the methodology and shows results for a typical design scenario.

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Copyright © 2007 by American Society of Mechanical Engineers
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References

Figures

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Figure 1

Conical shock schematic

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Figure 2

Comparison between cone shock calculations and NACA 1135 data

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Figure 3

Design point operation of a conical shock inlet

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Figure 4

Subcritical operation of a conical inlet

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Figure 5

Supercritical operation of a conical inlet

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Figure 6

Principle ramjet missile components

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Figure 7

Schematic of Kh-31

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Figure 8

Combined goal behavior through 40 generations

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Figure 9

Missile external shape evolution

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Figure 10

Evolution of missile characteristics

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Figure 11

Goal performance within the last generation

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Figure 12

Final external configuration comparison

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Figure 13

Altitude versus time

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Figure 14

Mach number versus time

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