Search
CSV
RISOn the Criterion for the Determination Transition Onset and Breakdown to Turbulence in Wall-Bounded Flows1
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Starting from the basic conservation laws of fluid flow, we investigated transition and breakdown to turbulence of a laminar flat plate boundary layer exposed to small, statistically stationary, ...
On the Constitutive Relation for the Reynolds Stresses and the Prandtl-Kolmogorov Hypothesis of Effective Viscosity in Axisymmetric Strained Turbulence
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The constitutive relation for the Reynolds stress tensor is considered for turbulence developing in axisymmetric strain fields. It is confirmed that the Reynolds stress tensor is aligned linearly ...
Measurement of the Instantaneous Velocity Gradients in Plane and Axisymmetric Turbulent Wake Flows
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: All first-order spatial derivatives of the turbulent velocity fluctuations were measured using a pair of X hot-wire probes. Measurements were performed in the self-preserving region of a turbulent ...
Air Entrainment Processes in a Circular Plunging Jet: Void-Fraction and Acoustic Measurements
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Circular plunging jets were studied by both void fraction and acoustic techniques. There were two aims: to measure the structure of the jet flow and its regimes as a function of jet speed ...
Discharge Coefficients of Critical Venturi Nozzles for CO2 and SF6
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The discharge coefficients of critical Venturi nozzles were measured for CO2 and SF6 on the Reynolds number range from 3×103 to 2×105. The results showed that the measured discharge ...
On the Anisotropy of Axisymmetric Strained Turbulence in the Dissipation Range
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Partition of the stress dissipation has been studied in an axisymmetric strained flow field to assess the possible existence of local isotropy for turbulence at small scales. This is a simple ...
A Distributed Product Realization Environment for Design and Manufacturing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Geographically distributed engineers must collaboratively develop, build and test solutions to design-manufacture problems to be competitive in the global marketplace. Engineers operate in a distributed ...
The Approximate Deconvolution Model for Large-Eddy Simulation of Compressible Flows With Finite Volume Schemes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The approximate deconvolution model for large-eddy simulation is formulated for a second-order finite volume scheme. With the approximate deconvolution model, an approximation of the unfiltered ...
Approach for Input Uncertainty Propagation and Robust Design in CFD Using Sensitivity Derivatives
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An implementation of the approximate statistical moment method for uncertainty propagation and robust optimization for quasi 1-D Euler CFD code is presented. Given uncertainties in statistically ...
The Approximate Deconvolution Model for Large-Eddy Simulation of Compressible Flows With Finite Volume Schemes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The approximate deconvolution model for large-eddy simulation is formulated for a second-order finite volume scheme. With the approximate deconvolution model, an approximation of the unfiltered ...