Browsing Aerospace, Mechanical & Electronic Engineering ITC by Author "Khurana, Shashank"

Now showing items 1-6 of 6

    • Effects of freestream disturbances in front of spiked blunt nose at hypersonic flow 

      Vashishtha, Ashish; Khurana, Shashank; Callaghan, Dean; Nolan, Cathal (Council of European Aerospace Societies, 2021)
      The effects of high frequency slow and fast acoustic wave freestream disturbances are modelled in front of pulsating bow shock formed at spiked blunt nose in hypersonic flow. These disturbances are introduced as time-dependent ...

    • Mach number dependence of flow instability around a spiked body 

      Vashishtha, Ashish; Khurana, Shashank (AIP Publishing, 2023-05-05)
      A forward-facing aerospike have been identified as a passive flow control device for enhancing the aerodynamic efficiency and reducing the heat transfer in high-speed flows. In addition, it has been reported that the ...

    • Novel mechanism of instability control using tapered spike in hypersonic flow 

      Vashishtha, Ashish; Khurana, Shashank (American Institute of Aeronautics and Astronautics, 2021-08-02)
      A forward facing spiked blunt nose in high-speed flows is associated with pulsating flow behavior of varying amplitudes depending on spike-nose and length, the forebody geometry and flow conditions. A tapered spike has ...

    • Numerical study of an aerospike nozzle in retropropulsion 

      Vashishtha, Ashish; Khurana, Shashank; Callaghan, Dean; Nolan, Cathal (Council of European Aerospace Societies, 2021)
      The primary motivation of this numerical study is to explore the feasibility of drag enhancement using aerospike nozzle for retropropulsion in hypersonic flow. An external expansion contoured aerospike nozzle with design ...

    • On unsteady flow analysis of a round spike blunt nose afterbody in mach 6 flow 

      Vashishtha, Ashish; Khurana, Shashank (IOP Publishing Ltd, 2021)
      An aerospike, in front of a blunt body, has largely been deemed as a key passive control device for effectively reducing the wave drag and aerodynamic heating associated with high-speed flows. In addition, it has been ...

    • Pulsating flow investigation for spiked blunt-nose body in hypersonic flow and its control 

      Vashishtha, Ashish; Khurana, Shashank (American Institute of Aeronautics and Astronautics, 2021-01)
      An aerospike, as a technique for drag reduction and heat transfer in high-speed flows, is associated with instabilities. To understand the pulsating flow behavior in front of forward facing spiked blunt nose, numerical ...