Author: Von Karman Institute for Fluid Dynamics
Publisher:
ISBN:
Category : Turbines
Languages : en
Pages : 12
Book Description
Investigation of the Unsteady Rotor Aerodynamics in a Transonic Turbine Stage
Author: Von Karman Institute for Fluid Dynamics
Publisher:
ISBN:
Category : Turbines
Languages : en
Pages : 12
Book Description
Publisher:
ISBN:
Category : Turbines
Languages : en
Pages : 12
Book Description
Investigation of the Unsteady Rotor Boundary Layer Transition in a Transonic High Pressure Turbine Stage
Author: Maik Tiedemann
Publisher:
ISBN:
Category :
Languages : en
Pages : 132
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 132
Book Description
Investigation of the Unsteady Rotor Boundary Layer Transition in a Transonic High Pressure Turbine Stage
Author: Maik Tiedemann
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
Book Description
Investigation of the Unsteady Rotor Boundary Layer Transition in a Transonic High Pressure Turbine Stage
Author: Maik Tiedemann
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
Book Description
Investigation of Unsteady Flow Through a Transonic Turbine Stage
Author: K. V. Rao
Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
Investigation of Unsteady Aerodynamic Blase Excitation Mechanisms in a Transonic Turbine Stage
Author: Björn Laumert
Publisher:
ISBN:
Category :
Languages : en
Pages : 26
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 26
Book Description
Investigation of Unsteady Aerodynamic Blase Excitation Mechanisms in a Transonic Turbine Stage
Author: Björn Laumert
Publisher:
ISBN:
Category :
Languages : en
Pages : 22
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 22
Book Description
Three-Dimensional Unsteady Simulation of Aerodynamics and Heat Transfer in a Modern High Pressure Turbine Stage
Author: Vikram Shyam
Publisher: BiblioGov
ISBN: 9781289035730
Category :
Languages : en
Pages : 42
Book Description
Unsteady 3-D RANS simulations have been performed on a highly loaded transonic turbine stage and results are compared to steady calculations as well as to experiment. A low Reynolds number k-epsilon turbulence model is employed to provide closure for the RANS system. A phase-lag boundary condition is used in the tangential direction. This allows the unsteady simulation to be performed by using only one blade from each of the two rows. The objective of this work is to study the effect of unsteadiness on rotor heat transfer and to glean any insight into unsteady flow physics. The role of the stator wake passing on the pressure distribution at the leading edge is also studied. The simulated heat transfer and pressure results agreed favorably with experiment. The time-averaged heat transfer predicted by the unsteady simulation is higher than the heat transfer predicted by the steady simulation everywhere except at the leading edge. The shock structure formed due to stator-rotor interaction was analyzed. Heat transfer and pressure at the hub and casing were also studied. Thermal segregation was observed that leads to the heat transfer patterns predicted by steady and unsteady simulations to be different.
Publisher: BiblioGov
ISBN: 9781289035730
Category :
Languages : en
Pages : 42
Book Description
Unsteady 3-D RANS simulations have been performed on a highly loaded transonic turbine stage and results are compared to steady calculations as well as to experiment. A low Reynolds number k-epsilon turbulence model is employed to provide closure for the RANS system. A phase-lag boundary condition is used in the tangential direction. This allows the unsteady simulation to be performed by using only one blade from each of the two rows. The objective of this work is to study the effect of unsteadiness on rotor heat transfer and to glean any insight into unsteady flow physics. The role of the stator wake passing on the pressure distribution at the leading edge is also studied. The simulated heat transfer and pressure results agreed favorably with experiment. The time-averaged heat transfer predicted by the unsteady simulation is higher than the heat transfer predicted by the steady simulation everywhere except at the leading edge. The shock structure formed due to stator-rotor interaction was analyzed. Heat transfer and pressure at the hub and casing were also studied. Thermal segregation was observed that leads to the heat transfer patterns predicted by steady and unsteady simulations to be different.
Unsteady Aerodynamics and Heat Transfer in a Transonic Turbine Stage
Author: D. A. Ashworth
Publisher:
ISBN:
Category : Gas-turbines
Languages : en
Pages : 0
Book Description
Publisher:
ISBN:
Category : Gas-turbines
Languages : en
Pages : 0
Book Description
Unsteady Aerodynamic and Heat Transfer Studies in a Highly-Loaded Transonic Turbine Rotor Cascade with Simulated Shock/Wake Passing
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 6
Book Description
The objective of the research effort is to integrate fluid and heat transfer studies in a heated transonic turbine cascade in order to develop a better understanding of the complex flow physics involved in the coupling of the fluid flow and heat transfer phenomena in an unsteady flowfield. To that end detailed, time resolved aerodynamic and heat transfer measurements are taken in the experiments. Unsteady passing shock is generated in a shock tube and introduced into the test section of the cascade to simulate the shock wave passage similar to an actual turbine environment.
Publisher:
ISBN:
Category :
Languages : en
Pages : 6
Book Description
The objective of the research effort is to integrate fluid and heat transfer studies in a heated transonic turbine cascade in order to develop a better understanding of the complex flow physics involved in the coupling of the fluid flow and heat transfer phenomena in an unsteady flowfield. To that end detailed, time resolved aerodynamic and heat transfer measurements are taken in the experiments. Unsteady passing shock is generated in a shock tube and introduced into the test section of the cascade to simulate the shock wave passage similar to an actual turbine environment.