NDLI: Modeling Laminar-to-Turbulent Transition in a Low-Pressure Turbine Flow Which Is Unsteady Due to Passing Wakes: Part II

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Jiang, Nan Terrence, W. Simon
Copyright Year	2003
Abstract	Modeling of transition often is done with an algebraic model for predicting the onset and a path model for describing the evolution from the laminar state to the fully turbulent state. This paper discusses the path model. A companion paper addresses onset modeling. A predicted intermittency distribution from a model that includes the influence of wakes, as in gas turbine flows, is compared against data taken from an experiment conducted at the University of Minnesota. There is good agreement between model and experiment at the beginning of the transition process with poor agreement farther downstream. The inability of the model to capture the strong intermittent behavior caused by the wakes in the comparison case is thought to be the reason for the poor comparison of the time-averaged intermittency in the downstream portion of the transitional flow.
Sponsorship	International Gas Turbine Institute
Starting Page	883
Ending Page	888
Page Count	6
File Format	PDF
ISBN	0791836886
DOI	10.1115/GT2003-38963
e-ISBN	0791836711
Volume Number	Volume 5: Turbo Expo 2003, Parts A and B
Conference Proceedings	ASME Turbo Expo 2003, collocated with the 2003 International Joint Power Generation Conference
Language	English
Publisher Date	2003-06-16
Publisher Place	Atlanta, Georgia, USA
Access Restriction	Subscribed
Subject Keyword	Turbulence Algebra Gas turbines Wakes Flow (dynamics) Modeling Pressure Turbines
Content Type	Text
Resource Type	Article

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Modeling Laminar-to-Turbulent Transition in a Low-Pressure Turbine Flow Which Is Unsteady Due to Passing Wakes: Part I — Transition Onset

Evaluation of Algebraic Transition Models for Application to Unsteady Flows in Low-Pressure Turbines

On the Simulation of Unsteady Turbulence and Transition Effects in a Multistage Low Pressure Turbine: Part I — Verification and Validation

Experimental Investigation of Transition to Turbulence as Affected by Passing Wakes

Unsteady Transition in an Axial Flow Turbine: Part 2 — Cascade Measurements and Modelling

Blade Row Interaction in a Multistage Low-Pressure Turbine

The Role of Laminar-Turbulent Transition in Gas Turbine Engines: A Discussion

On the Simulation of Unsteady Turbulence and Transition Effects in a Multistage Low Pressure Turbine: Part II — Full-Wheel Simulation

A High-Order LES Turbulent Model to Study Unsteady Flow Characteristics in a Low Pressure Turbine Cascade

Modeling Laminar-to-Turbulent Transition in a Low-Pressure Turbine Flow Which Is Unsteady Due to Passing Wakes: Part II — Transition Path

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