free-stream Mach number
Shock wave instability in front of a cylinder over an expansion corner
... supersonic flow regime is imposed. On the wall (1) and cylinder we use the no-slip condition and vanishing heat flux. Initial data are either parameters of the uniform free stream or a flow field calculated ...
5
Large eddy simulation of transonic turbulent flow over a bump
... streamwise direction, shown on Fig. 5(a), reveals many features of the flow. After a short transient where the skin friction recovers from the inflow condition it settles to a level around 0.0005. The influence of the bump ...
12
A theoretical approximation of the shock stand off distance for the flows around a circular cylinder
... linear Mach number profiles, Equation (32), and the use of linear density profiles, Equation ...and Mach number M, in a flow field on the central stagnation streamline for the free ...
15
Compressible vortices and shock-vortex interactions
... the free stream Mach number M ∞ , and the mass flux ² inside a single vortex ...in stream-function density form, the solution to which will be used extensively as a steady, ...
173
Instability of a shock wave over a backward facing ramp
... the free-stream Mach number increases; however, it cannot vanish because the shock and sonic line cannot have a common point on the ...
6
The effect of Mach number on unstable disturbances in shock/boundary layer interactions
... the free-stream quantities are applied in front of the oblique impinging shock wave, while downstream of the im- pinging shock location the upper boundary condition was given, initially, by applying the ...
15
Design & Computational Fluid Dynamics Analyses of an Axisymmetric Nozzle at Transonic Free Stream Conditions
... corresponding Mach number relation output is achieved through programming language ...and free stream pressure are calculated. Mach number = ...
5
Effect of Mach number on the structure of turbulent spots
... nonlinear interactions and breakdown of these hairpin structures, resulting in the formation of a fully turbulent flow field. The growth mechanism of a spot in a boundary layer is complex, since the spot interacts with the ...
10
EMC Testing of Absolute and Differential Pressure Sensors for a Flush Air Data System (FADS)
... pressure, Mach number, and free stream static pressure with sufficient accuracy in real time is required for flight control of an aerospace ...
9
CFD Analysis of Cavity Based Combustion of Hydrogen at Mach Number 1.4
... non-reacting Mach 2 flow with a wall cavity under low and high pressure ...the Mach 2 non-reacting ...a Mach 2 flow with a wall cavity to obtain instantaneous two dimensional velocity images, mean ...
8
A Conservative Pressure Correction Method on Collocated Grid for Low Mach Number Flows
... Various flow regimes in industrial devices are of low speed nature. Such flows are called incompressible, since the velocities are much smaller than the speed of sound. In non-reacting incompressible flows without heat ...
9
Influence of Micro Jets on the Flow Development in the Enlarged Duct at Supersonic Mach number
... From numerical simulation, the laminar flow in a sudden augmented pipe subjected to a uniform suction speed has been analyzed [16]. Different numerical methods have been used to solve and account the viscous effects of ...
13
Noise produced by the interaction of acoustic waves and entropy waves with high speed nozzle flows
... nozzle length inlet Mach number exit Mach number velocity perturbation normalized by local mean ve l ocity pressure perturbation normalized by l ocal mean pressure X-y.. entropy perturba[r] ...
221
Improving the aerodynamic force measurement system for the USQ gun tunnel
... steel diaphragm will rupture allowing the lightweight plastic piston to travel at super- sonic speeds (with a shock wave travelling in front of it) down the tunnel, compressing the air in front of it. The tunnel section ...
119
Experimental measurement and Reynolds-averaged Navier-Stokes modelling of the near-field structure of multi-phase CO jet releases
... a number of years. Put into practice, the technology is proven for a number of hazardous substances including combustibles and ...a number of dangers upon release due to its more unusual physical ...
47
Study of a Depressurisation Process at Low Mach number in a nuclear reactor core
... low Mach nuclear core model ( Lmnc ) was introduced in ...the Mach number [15, 16, 18] whose order of magnitude is reportedly small in the situations of ...
20
NUMERICAL SIMULATION OF SCRMAJET INTAKE USING CFD
... like Mach number, pressure and temperature can be ...the number of oblique shocks by growing the number of ...with Mach Numbers 3, ...moreover, Mach number ...
11
Geographical Information System Based Morphometric Analysis of Halia Drainage Area, Nalgonda District, Andhra Pradesh, India
... of stream order was introduced by Horton in 1932. Stream ordering is a widely applied method for stream classification in a river ...basin. Stream ordering is defined as a measure of the ...
8
Some Aspects of Non Orthogonal Stagnation Point Flow towards a Stretching Surface
... is the displacement thickness arising out of the boundary layer on the stretching surface and 1 is the parameter which controls the horizontal pressure gradi- ent that produces the shear flow. Note that the whole ...
5
MORPHOMETRIC ANALYSIS OF GP2 SUB - WATERSHED USING REMOTE SENSING AND GIS TECHNIQUES IN BULDHANA DISTRICT OF MAHARASHTRA INDIA
... of stream lengths refers that the mean stream lengths of stream segments of each of the successive orders of a watershed tend to approximate a direct geometric sequence in which the first term ...
9