Non Linear Transient Thermal Analysis of Turbine Blade Cooling
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 6
Abstract
The main objective of this paper is to reduce the turbine blade high temperature gases from combustion chamber. Because of this temperature the life of the blade is going to get decrease significantly. It is necessary to design a cooling system for the turbine blade will be provided with coolant holes. Current objective of the project is to understand the physics behind the cooling phenomenon and rise in temperature coolant fluid. Ansysis and it is family of element will be used for the purpose. An initial analysis will be carried out with traditional bulk temperature approach and transient temperature behaviour of blade will be observed. Traditional approach of thermal analysis of commercial finite element software, ANSYS. Using this, non-linear transient thermal analysis can be studied in a time effective manner. Moeckel has studied the blade temperatures using ANSYS. But this study was majorly a 2D analysis with plane-35 elements. But, for the current project, only blade geometry in 3D is considered to model the cooling holes & to study the temperature distribution across the blade. It becomes computationally expensive if turbine and other structure is included and consumes lot of time & effort. By using these results, we can identify whether this methodology of using 5th stage bleed air is good or not.
Authors and Affiliations
V. S. Ravi, A. Ramanjaneya Reddy, P. Hussian, Dr. S. Sudhakar Babu
Keywords
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