Results 11 to 20 of about 383,662 (302)
Mach and Froude Numbers on Mars [PDF]
The Planetary Science Journal, 2022 Abstract Mars atmospheric global circulation models exhibit transonic jet streaks during northern winter, which motivates this study of the Mach number, Ma (the ratio of flow speed to the speed of sound), and Froude number, Fr (the ratio of flow speed to the speed of buoyancy waves), as a function of season and location.
Nasr, Camella-Rosa C. +4 more
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Aeroengine High-Attitude/Low Mach Number Oscillations: Mechanism and Prevention Design
International Journal of Aerospace Engineering, 2021 The issue of aeroengine oscillations over high-attitude and low-speed flight envelope has been an unsolved problem due to their classified nature and hard reproduction in simulated altitude test stand.
Jiqiang Wang
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Frontiers in Physics, 2022 The Mach number is one of the key parameters of collisionless shocks. Understanding shock physics requires knowledge of the spatial scales in the shock transition layer.
Michael Gedalin +3 more
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Frontiers in Energy Research, 2021 This study was carried out to investigate the loss mechanism of a blade with a harbor seal whisker structure on the trailing edge under different Mach numbers.
Fengbo Wen +4 more
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Flutter analysis of tapered composite fins: Analysis and experiment [PDF]
FME Transactions, 2022 In the present work, the aeroelastic stability of tapered composite plates is investigated. Existing flutter models, based on the typical section approach, are reviewed for quasi-steady and unsteady low Mach number axial flows and modified for the thin ...
Dinulović Mirko +3 more
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A low Mach number solver: Enhancing applicability [PDF]
Journal of Computational Physics, 2013 In astrophysics and meteorology there exist numerous situations where flows exhibit small velocities compared to the sound speed. To overcome the stringent timestep restrictions posed by the predominantly used explicit methods for integration in time the Euler (or Navier-Stokes) equations are usually replaced by modified versions.
Natalie Happenhofer +4 more
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Analysis of basic concepts of advanced engines for supersonic civil aircraft on the basis of foreign designers’ experience [PDF]
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2021 The work contains the results of a study of the basic design concepts of advanced engines for supersonic civil aircraft, carried out in order to make a forecast for the development of aviation technology, taking into account the experience of foreign ...
A. D. Alendar +2 more
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Energy and Exergy Analysis and Optimization of Turbofan Engine-TF30-P414 [PDF]
Iranica Journal of Energy and Environment, 2021 The turbofan engines are one of the constitutes significant components of the aero engines. In this study, the thermodynamic modeling of the TF30-P414 turbofan engine is developed and validated with reference values.
S. D. Farahani +2 more
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Cosmic Mach Number as a Function of Overdensity and Galaxy Age [PDF]
, 2000 We carry out an extensive study of the cosmic Mach number (\mach) on scales of R=5, 10 and 20h^-1Mpc using an LCDM hydrodynamical simulation. We particularly put emphasis on the environmental dependence of \mach on overdensity, galaxy mass, and galaxy ...
Jeremiah P. Ostriker +7 more
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A homogeneous relaxation low mach number model [PDF]
ESAIM: Mathematical Modelling and Numerical Analysis, 2021 In the present paper, we investigate a new homogeneous relaxation model describing the behaviour of a two-phase fluid flow in a low Mach number regime, which can be obtained as a low Mach number approximation of the well-known HRM. For this specific model, we derive an equation of state to describe the thermodynamics of the two-phase fluid.
Faccanoni, Gloria +2 more
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