An experimental validation of a nonlinear acoustic resistance model for an acoustically compact area contraction with steady mean flow [PDF]
In a previously published paper, a model for the nonlinear acoustic response of an area contraction including bias flow was presented. The model's prediction for the zero-driving resistance grew progressively worse as the steady-flow Mach number ...
Luke H. Humphreys +2 more
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Local well-posedness and low Mach number limit of the compressible magnetohydrodynamic equations in critical spaces [PDF]
The local well-posedness and low Mach number limit are considered for the multi-dimensional isentropic compressible viscous magnetohydrodynamic equations in critical spaces.
Li, Fucai, Mu, Yanmin, Wang, Dehua
core +1 more source
Low Mach Number Flows and Combustion [PDF]
We prove uniform existence results for the full Navier-Stokes equations for time intervals which are independent of the Mach number, the Reynolds number and the Péclet number. We consider general equations of state and we give an application for the low Mach number limit combustion problem introduced by Majda.
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Movement Characteristics of Shock Train Under Continuous Change of Incoming Mach Number
In order to study the movement characteristics of shock train with the variation of incident shock, a direct-connect wind tunnel experimental system with variable incoming Mach number was built.
Zi-ao WANG +3 more
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Fuzzy-based prediction for suddenly expanded axisymmetric nozzle flows with microjets [PDF]
The current research focuses on the implementation of the fuzzy logic approach for the prediction of base pressure as a function of the input parameters.
Jaimon D. Quadros +5 more
doaj +1 more source
Developing and applying Mach 4.5 nozzle in hypersonic wind tunnel
Mach 4.5 tests in a conventional trans-supersonic wind tunnel are often accompanied by the air liquefaction phenomenon, resulting in the low reliability of test data.
HUANG Ju +4 more
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Zero Mach number limit of the compressible Euler–Korteweg equations
In this paper, we investigate the zero Mach number limit for the three-dimensional compressible Euler–Korteweg equations in the regime of smooth solutions.
Yeping Li, Gang Zhou
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High order semi-implicit weighted compact nonlinear scheme for the all-Mach isentropic Euler system
The computation of compressible flows at all Mach numbers is a very challenging problem. An efficient numerical method for solving this problem needs to have shock-capturing capability in the high Mach number regime, while it can deal with stiffness and ...
Yanqun Jiang +4 more
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Research progress in nozzle design for supersonic variable Mach number wind tunnel
The supersonic variable Mach number wind tunnel can operate at multiple Mach numbers during a single operation, which has unique advantages for studying supersonic maneuvering process and scramjet starting.
WANG Ao, DING Hao, TIAN Lifeng
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On a diphasic low mach number system [PDF]
The author proposes a diphasic low Mach number (DLMN) system for the modelling of diphasic flows at low Mach number. This system filters out the acoustic waves but keeps all the informations coming from the thermodynamic as the equations of state and the entropy contrary to a standard incompressible diphasic Navier-Stokes system.
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