Now showing items 1-5 of 5

  • Advances in Understanding Supersonic Jet Screech: Review and Perspective 

    Raman, G. (Pergamon - Elsevier Science Ltd, 1998-02)
    Screech tones are produced by imperfectly expanded jets under certain conditions. This paper provides an overview of developments in the field of supersonic jet screech. The overview includes a historical background, summary ...
  • Aeroacoustic Characteristics of a Rectangular Multi-element Supersonic Jet Mixer-ejector Nozzle 

    Taghavi, R.; Raman, G. (Academic Press Ltd, 1997-10-23)
    This paper provides a unique, detailed evaluation of the acoustics and aerodynamics of a rectangular multi-element supersonic jet mixer-ejector noise suppressor. The performance of such mixer-ejectors is important in ...
  • Cessation of Screech in Underexpanded Jets 

    Raman, G. (Cambridge Univ Press, 1997-04-10)
    In significantly underexpanded jets, screech inherently ceases to exist. This paper studies screech cessation in a supersonic rectangular jet and provides an explanation for its occurrence. Experimental data are presented ...
  • FLIP-FLOP JET NOZZLE EXTENDED TO SUPERSONIC FLOWS 

    Raman, G; Hailye, M; Rice, EJ (AMER INST AERONAUT ASTRONAUT, 1993-06)
    An experiment studying a fluidically oscillated rectangular jet flow was conducted. The Mach number was varied over a range from low subsonic to supersonic. Unsteady velocity and pressure measurements were made using hot ...
  • Supersonic Jet Screech: Half-century from Powell to the Present 

    Raman, G. (Academic Press Ltd, 1995-08-19)
    Under certain conditions, shock-containing jets produce an intense tone referred to as screech. Screech was discovered about half a century ago by Alan Powell in England. Here I recount developments in supersonic jet screech ...