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This research paper explores the intricate challenges presented by hypersonic flow over a ramp surface. Its primary focus is on the significance of Shock Wave Boundary Layer Interaction (SWBLI) and the utilization of unsteady transient analysis of flow over a ramp under Mach 6 conditions. To comprehend the unsteadiness of the separation and SWBLI, the study employs transient fluid flow simulations. Further, the investigation is centered around regions where SWBLI significantly impacts the pressure and aerodynamic loads on the ramp surface, leading to the formation of a separation bubble. The results are subsequently compared with the existing literature. The outcome of this research provides deeper insights into the unsteady separation and SWBLI aerodynamics of scramjet ramps.

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Unsteady Transient Analysis of Ramp: Investigating SWBLI and Separation Bubble Using Transient Model

  • 会议论文

  • 发表日期：

    2025年

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  • Sk. Md. Rameez Arhan,
  • R. Manikanta,
  • Ravi Peetala

摘要

This research paper explores the intricate challenges presented by hypersonic flow over a ramp surface. Its primary focus is on the significance of Shock Wave Boundary Layer Interaction (SWBLI) and the utilization of unsteady transient analysis of flow over a ramp under Mach 6 conditions. To comprehend the unsteadiness of the separation and SWBLI, the study employs transient fluid flow simulations. Further, the investigation is centered around regions where SWBLI significantly impacts the pressure and aerodynamic loads on the ramp surface, leading to the formation of a separation bubble. The results are subsequently compared with the existing literature. The outcome of this research provides deeper insights into the unsteady separation and SWBLI aerodynamics of scramjet ramps.