Investigation of Hot Streak Migration and Film Cooling Effects on the Heat Transfer in Rotor/Stator Interacting Flows PDF Download
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Author: Daniel J. Dorney Publisher: ISBN: Category : Languages : en Pages : 22
Book Description
This effort extended the three-dimensional unsteady rotor/stator interaction code, ROTOR3, to investigate hot streak migration and film cooling effects on the passage flow and blade surface heat transfer for an axial flow turbine stage. These objectives are part of an overall plan to extend the capabilities of this numerical procedure and to determine the potential of this technique to impact the design of future rotating turbomachinery components. The principal benefits that will result from this effort are: A diagnostic analysis and code which can be used to help design turbine blades with increased efficiency and reduced cooling requirements, An open literature demonstration on the use of Computational Simulation and Scientific Visualization for gaining insight into complex turbomachinery flows, Acceleration of the transition of large-scale computational analyses to the turbomachinery design process through joint involvement between UTRC and Pratt and Whitney turbine engineers, and A useful and proven design tool which can be used with existing and future engine design procedures.
Author: Daniel J. Dorney Publisher: ISBN: Category : Languages : en Pages : 22
Book Description
This effort extended the three-dimensional unsteady rotor/stator interaction code, ROTOR3, to investigate hot streak migration and film cooling effects on the passage flow and blade surface heat transfer for an axial flow turbine stage. These objectives are part of an overall plan to extend the capabilities of this numerical procedure and to determine the potential of this technique to impact the design of future rotating turbomachinery components. The principal benefits that will result from this effort are: A diagnostic analysis and code which can be used to help design turbine blades with increased efficiency and reduced cooling requirements, An open literature demonstration on the use of Computational Simulation and Scientific Visualization for gaining insight into complex turbomachinery flows, Acceleration of the transition of large-scale computational analyses to the turbomachinery design process through joint involvement between UTRC and Pratt and Whitney turbine engineers, and A useful and proven design tool which can be used with existing and future engine design procedures.
Author: Publisher: ISBN: Category : Languages : en Pages : 226
Book Description
Experimental data taken from turbine engines has shown that hot streaks exiting combustors can have a significant impact upon the secondary flow and will temperature of the first stage turbine rotor. Understanding the secondary flow and heat transfer effects due to combustor hot streaks is essential to turbine designers attempting to optimize turbine cooling systems. A numerical investigation has been performed which addresses the issues of multi-blade count ratio and three-dimensionality effects on the prediction of combustor hot streak migration in a turbine stage. The two- and three-dimensional Navier-Stokes analyses developed by Rai et al are used to predict unsteady viscous rotor-stator interacting flow in the presence of a combustor hot streak with heat transfer and film cooling. Predicted results are presented for a two-dimensional 3-stator/4-rotor and a three-dimensional 1-stator/1-rotor simulations of streak migration through a turbine stage. Comparison of these results with experimental data demonstrates the capability of the three- dimensional procedure to capture most of the flow physics associated with hot streak migration including the effects of combustor hot streaks on turbine rotor surface temperatures.
Author: Aragona Patty Publisher: CRC Press ISBN: 1351851950 Category : Science Languages : en Pages : 473
Book Description
The 2016 International Conference on Materials Science, Energy Technology and Environmental Engineering (MSETEE 2016) took place May 28-29, 2016 in Zhuhai City, China. MSETEE 2016 brought together academics and industrial experts in the field of materials science, energy technology and environmental engineering. The primary goal of the conference was to promote research and developmental activities in these research areas and to promote scientific information interchange between researchers, developers, engineers, students, and practitioners working around the world. The conference will be held every year serving as platform for researchers to share views and experience in materials science, energy technology and environmental engineering and related areas.
Author: Daniel J. Dorney
Author: Daniel J. Dorney
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Author: James D. Heidmann
Author: James D. Heidmann
Author: Aragona Patty
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