Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Randall Mathison"'
Publikováno v:
Journal of Engineering for Gas Turbines and Power. 145
As improved efficiency goals require ever smaller gaps between rotating turbomachinery blade tips and stationary outer casings, it becomes more important to understand the physics of what happens when a blade tip rubs against the casing. A key piece
Publikováno v:
Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling.
Unsteady flow fields are generated in gas turbines due to interactions between rotating and stationary components. Increased understanding of unsteadiness and its effect on blade heat transfer is crucial to thermal durability predictions for turbine
Publikováno v:
Volume 6A: Heat Transfer — Combustors; Film Cooling.
Gas turbines generate highly unsteady flow fields, which are further complicated by cooling. Film cooling technology is dependent on experimental and computational research performed for simplified geometries, which can be difficult to translate to t
Publikováno v:
Volume 6A: Heat Transfer — Combustors; Film Cooling.
To provide a detailed analysis of film cooling in a turbine environment, this study incorporates experimental and computational research performed on a rotating high pressure turbine stage. The turbine blades include rows of three different film cool
Publikováno v:
Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling.
Axial gas turbines set up highly complex unsteady flow fields, and the incorporation of cooling further complicates the flow. Due to time and computational resource constraints, the design cycle for modern gas turbines relies heavily on steady-state
Publikováno v:
Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration.
As improved efficiency goals require ever smaller gaps between rotating turbomachinery blade tips and stationary outer casings, it becomes more important to understand the physics of what happens when a blade tip rubs against the casing. A key piece
Publikováno v:
Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling.
Flow fields in axial gas turbines are highly complex and unsteady due to the interactions of rotating and stationary components. The current study incorporates experimental and computational analyses of a modern, rotating high-pressure turbine stage
Publikováno v:
Journal of Turbomachinery. 139
Cooling flow behavior is investigated within the multiple serpentine passages with turbulators on the leading and trailing walls of an axial gas turbine blade operating at design-corrected conditions with accurate external flow conditions. Pressure a