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Experimental Characterization of C–C Composite Destruction Under Impact of High Thermal Flux in Atmosphere and Hypersonic Airflow
Published 2025-01-01“…However, C–C composites’ ablation and oxidation under long cruise flights at high speeds (Mach number > 5) are the limiting factors for their application. …”
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42
Usage of double injector for efficient mixing of the fuel behind the ramp injector at supersonic combustion chamber
Published 2025-01-01“…Comparison of the fuel mixing and fuel jet penetration of hydrogen jet are done for two injector configurations at free stream Mach number of 2. The simulation of the supersonic flow near ramp injector is done via solving RANS equations with computational fluid dynamic technique. …”
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43
Comparative Assessment of Modified γ-Reθt Models for Scramjet Intake Flow Analysis
Published 2021-01-01“…The air intake performance of the SCP-01, as predicted by four models, is compared and analyzed at different flight altitude and Mach number conditions. The results reveal that the accuracy of the prediction of boundary layer and separated flow transitions significantly affects the flow field and corresponding air intake performance. …”
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44
Experimental Investigation of Innovative Internal Trailing Edge Cooling Configurations with Pentagonal Arrangement and Elliptic Pin Fin
Published 2008-01-01“…For each configuration, heat transfer and pressure loss measurements were made keeping the Mach number fixed at 0.3 and varying the Reynolds number from 9000 to 27000. …”
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45
Inflatable Leading Edge-Based Dynamic Stall Control considering Fluid-Structure Interaction
Published 2020-01-01“…An airfoil is considered at a freestream Mach number of 0.3 and chord-based Reynolds number of 3.92×106. …”
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46
Aerodynamic performance enhancement of centrifugal compressor using numerical techniques [version 1; peer review: 2 approved]
Published 2024-05-01“…Extensive analyses using Ansys CFX encompass key variables such as Pressure, Mach Number, Density, Velocity, Turbulence Kinetic Energy, and Temperature. …”
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47
Process, dynamics and bioeffects of acoustic droplet vaporization induced by dual-frequency focused ultrasound
Published 2025-02-01“…Moreover, the applied unified theory for bubble dynamics can simulate intense bubble collapse with high Mach Number as a result of the nonlinear effects of dual-frequency ultrasound. …”
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48
Numerical analysis of transonic flow over the FFA-W3-211 wind turbine tip airfoil
Published 2025-01-01“…Previous studies demonstrated how the flow around the tip airfoils of such large machines reaches local flow Mach numbers (<i>Ma</i>), at which the incompressibility assumption might be violated, and, even in normal operating conditions, local supersonic flow could appear. …”
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49
Metal Powder Production by Atomization of Free-Falling Melt Streams Using Pulsed Gaseous Shock and Detonation Waves
Published 2025-01-01“…The method allows the control of shock/detonation wave intensity (from Mach number 4 to about 7), as well as the composition and temperature of the detonation products by choosing proper fuels and oxidizers. …”
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50
The analysis of the influence of the turbulence model selection on the parameters of interaction of a supersonic jet with an obstacle
Published 2024-10-01“…The ANSYS Fluent software package is used to analyze the effect of choosing a turbulence model on the distribution of the Mach number and pressure on the barrier. A comparison of the results of the study with experimental data showed that the most accurate results are obtained using the k-ω SST turbulence model.…”
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51
The Effect of Yaw Angle on a Compressible Rectangular Cavity Flow
Published 2017-01-01“…Experiments are performed to determine the characteristics of a compressible flow over yawed rectangular cavities for Mach numbers of 0.64, 0.70, and 0.83. The cavity’s length-to-depth ratio varies from 4.43 to 21.50 and the length-to-width ratio is unity. …”
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52
Correction of procedure for conversion of gas-dynamic characteristics of high-pressure centrifugal сompressor stage in case of frequency change rotor rotation
Published 2022-06-01“…The proposed corrected method of conversion of gas-dynamic characteristics of high-pressure stage of turbocharger operating in the area of high circumferential speeds (conditional Mach numbers > 0,5) to other rotor speeds is given in the work, taking into account deviation from kinematic and dynamic similarity conditions. …”
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53
A Numerical Scheme Based on an Immersed Boundary Method for Compressible Turbulent Flows with Shocks: Application to Two-Dimensional Flows around Cylinders
Published 2014-01-01“…The present scheme is applied to the flow around a two-dimensional cylinder under various freestream Mach numbers. Compared with the original MUSCL scheme, the minimum dissipation enabled by the pseudo skew-symmetric form significantly improves the resolution of the vortex generated in the wake while retaining the shock capturing ability. …”
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54
Combined Magnetohydrodynamic and Geometric Optimization of a Hypersonic Inlet
Published 2009-01-01“…The parameter being optimized is the mass capture at the throat of the inlet, such that spillage effects for less than design Mach numbers are reduced. The control parameters for the optimization include the MHD effects in conjunction with ramp angle changes. …”
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55
Nonlinear Numerical Simulation for Oscillating Pressure in Cavity and Passive Control Research
Published 2019-01-01“…According to the comparison of the cavity noise calculation and experimental results under Mach numbers 0.6, 0.85, and 1.35, it indicates that NLAS is capable to predict oscillating pressure of cavity flow from subsonic to supersonic with acceptable deviation. …”
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56
Review on Recent Advances in Pulse Detonation Engines
Published 2016-01-01“…It is observed that the design of detonation wave flow path in detonation tube, ejectors at exit section of detonation tube, and operating parameters such as Mach numbers are mainly responsible for improving the propulsion performance of PDE. …”
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57
Research on RBV Control Strategy of Large Angle Maneuver
Published 2014-01-01“…Firstly, considering the nonlinear characteristics of aerodynamic coefficients varying with Mach numbers, attack angle, and sideslip angle, the complete nonlinear 6-DOF model of RBV is established. …”
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58
Direct Numerical Simulations of the Impact of High Turbulence Intensities and Volume Viscosity on Premixed Methane Flames
Published 2011-01-01“…Therefore, to save computational resources, we suggest that the volume viscosity transport term be ignored for turbulent combustion DNS at low Mach numbers when burning hydrocarbon fuels.…”
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59
An Overview of Solar Orbiter Observations of Interplanetary Shocks in Solar Cycle 25
Published 2025-01-01“…The fundamental shock parameters (shock normals, shock normal angles, shock speeds, compression ratios, Mach numbers) have been estimated and studied as a function of heliocentric distance, revealing a rich scenario of configurations. …”
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60
Analysis of the Magnus Moment Aerodynamic Characteristics of Rotating Missiles at High Altitudes
Published 2021-01-01“…The Magnus moment characteristics of rotating missiles with Mach numbers of 1.3 and 1.5 at different altitudes and angles of attack were numerically simulated based on the transition SST model. …”
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