Document Type : Original Article

Authors

1 Department of Aerospace Engineering, Amirkabir University of Technology, Tehran

2 Department of Aerospace Engineering, Amirkabir University of Technology, Tehran,

Abstract

Air-breathing hypersonic flight is presumed by many of the savants in the field of aeronautical engineering as the last boundary of aerial vehicle design to be pushed back. An auspicious design configuration for the prospective hypersonic transport vehicles of the future is a “Waverider,” using the Scramjet engine cycle as its propulsive system. Two-dimensional CFD Analysis and case-to-case study of three pre-defined waverider configurations with 2-ramp, 3-ramp, and 4-ramp inlet geometries are carried out in the hypersonic flight regime of Mach numbers 5, 6, and 7. This is done in an attempt to study the single-oriented and also correlative-oriented impacts of increasing/decreasing the number of inlet ramps and increasing/decreasing the flight Mach number upon the behavior of final aerodynamic coefficients and ratios. The paramount outcome of the present work is the generation of some tables which can be utilized as primary guidelines for aeronautical design engineers who are designing waverider configurations on a preliminary basis.

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[1]  J. D. Anderson, Fundamentals of Aerodynamics, Sixth Edition. 2017.
[2]  J. D. Anderson Jr., Hypersonic and High-Temperature Gas Dynamics, Second Edition. 2006.
[3]  T. R. F. Nonweiler, “Aerodynamic Problems of Manned Space Vehicles,” J. R. Aeronaut. Soc., vol. 63, no. 585, pp. 521–528, 1959, doi: 10.1017/s0368393100071662.
[4]  J. G. Jones, “A method for designing lifting configurations for high supersonic speeds using the flow fields of non-lifting cones,” RAE Rep. No. Aero 2674, 1963.
[5]  F. Ding, J. Liu, C. bing Shen, Z. Liu, S. hua Chen, and X. Fu, “An overview of research on waverider design methodology,” Acta Astronaut., vol. 140, pp. 190–205, Nov. 2017, doi: 10.1016/j.actaastro.2017.08.027.
[6]  L. Hong Quan, “Analysis and Design of a Scramjet Engine Inlet Operating from Mach 5 to Mach 10,” Int. J. Mech. Eng. Appl., vol. 4, no. 1, p. 11, Feb. 2016, doi: 10.11648/j.ijmea.20160401.12.
[7]  M. Varshavi and S. Noori, “Aerodynamic Performance Investigation into Waverider Geometries Having Different Number of Inlet Ramps at Hypersonic Flow,” May 2020, vol. 18, Accessed: Jun. 28, 2020. [Online]. Available: https://civilica.com/doc/1015183/.