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نمایش تعداد 1-10 از 66
Supersonic inlet buzz detection using pressure measurement on wind tunnel wall
Feasibility of an innovative buzz detection technique through measuring the static pressure
outside a mixed-compression supersonic inlet is studied. The buzz is an instability
phenomenon that occurs almost in all supersonic inlets. During...
Flow of supersonic jets across flat plates: Implications for ground level flow from volcanic blasts
Novel Method for Supersonic Inlet Buzz Measurement in Wind Tunnel
A method for detection of buzz from wall sensors has been proposed.
AXISYMMETRIC AND THREE-DIMENSIONAL FLOW SIMULATION OF A MIXED COMPRESSION SUPERSONIC AIR INTAKE
The flow of an axisymmetric supersonic mixed compression
air intake has been simulated numerically in order to investigate
the effects and also the necessity of three-dimensional (3D)
modeling. For this purpose, the supersonic...
Effects of Boundary-Layer Bleed Parameters on Supersonic Intake Performance
The performance and the buzz onset of a supersonic mixed-compression axisymmetric intake are xperimentally investigated. Effects of the slot bleed position, angle, and width on the intake performance and on the buzz initiation at three different...
Effects of Bleed Position on the Stability of a Supersonic Inlet
Effects of various boundary-layer bleed locations on the stability of an axisymmetric
supersonic inlet has been investigated experimentally. The bleeds were located on the inlet
compression cone and were designed to improve...
Reduction of Thermodynamic Losses in supersonic nucleating steam nozzle by spraying water droplets
During the course of expansion of steam in turbines, the vapour first supercools and then nucleates to become a two phase mixture, Formation of the liquid phase causes thermodynamic and aerodynamic losses in steam turbines. ...
Effective reduction of condensation shock strength in two-phase super sonic flow by spraying water droplets at inlet of laval nozzle
non equilibrium two phase flow. This growing droplets release their latent heat to
the flow and this heat addition to the supersonic flow cause a pressure rise called condensation shock. Because
of irreversible heat transfer...
AN INVESTIGATION AND COMPARISON OF ROE UPWIND METHODS WITH CUSP CENTRAL DIFFERENCE SCHEMES
In this paper, Euler equations have been solved for the internal compressible flows. In order to have
such a solution, at first, the equations were written into the integrated form, and then in CUSP and Scalar ...