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| Design and Analysis of an Air Intake System of Ramjet Engine Using CFD Simulations |
Abdelmola Albadwi, Ayman Faisal ,Mogtaba Abdelhalim ,Abdalla Salih ,Mohammed Khalil, Omer Musa
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Abstract:
When a vehicle flies at supersonic speeds, streamlined forces become a fundamental issue. When the drag force is high, the fuel consumption must be structured keenly to give a satisfactory air gracefully to engines. This paper presents the design methodology for a mixed compression intake type using CFD investigations. The engine was structured at Mach 3 and three ramp angles at high altitude and utilized to give air to solid fuel ramjet. Inlet backpressure affects the overall recovery of pressure, and the degree of flow distortion was characterized. Additionally, using the critical backpressure ratio and the viscous unsteady flow method, we simulate the "unstart'' instability in the air intake. The results showed that when the inlet backpressure is varied, the terminal shock is not in one location that must affect the performance. Unstart stability's results demonstrate a good agreement with those in literature.
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