A Review of the Current Challenges on the Issues of Scramjet Combustion Engines

Pp: 104-149 (46)

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Abstract

Scramjet technology is one of the revolutionary technologies of the hypersonic industry. The scramjet engine uses air-breathing propulsion technology, which has been proven to be the most promising technology for high Mach number flights. The paper focuses on the status, key challenges and future scope of the scramjet engines. This paper presents an extensive literature review of the experimental and computational studies carried out by various researchers around the globe. In this paper, the current developments in scramjet technology and its future scope are precisely stated. It is concluded from the review that the flow inside the scramjet combustor is very complex and sensitive. The understanding of the turbulence, boundary layer formation and separation, physics of the flow, and the physiochemical processes involved in combustion still require extensive dedication of researchers in the near future to address the stated problems.

Keywords: Boundary layer interaction, Flame structure, Mach number, Supersonic combustion.

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