NUMERICAL INVESTIGATION OF TURBINE BLADE COOLING PASSAGE WITH V-SHAPE TRUNCATED AND CONTINEOUS RIBS
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 30, Vol 5, Issue 7
Abstract
This paper focus on 3D CFD analysis of an turbine blade cooling passage/duct in which the desired domain subjected to critical load i.e. static as well as dynamic load which is due turbine blade is operated at high temperature and pressure which results in thermal stress and alters the blade performance. In order to avoid clastatic failure of blade effective and efficient cooling techniques should be implemented which ultimately results in higher thermal efficiency and maximum power output. Extensive literature review is carried out in the field relating to turbine blade cooling. This work is concerned with the turbine surface blade internal duct cooling conventionally and with the help of coolant and heat transfer around the duct surface is been analysed and the performance is predicted with the help of Finite element volume tool ANSYS- Fluent, where simulation is being done. The goal is to carry out heat transfer coefficient at the turbine blade internal duct surface using different turbulent model as well as comparative case study is also been presented. The FEV results are validated with well published results in literature. In this research, which concluded that the V-shape 35-deg truncated ribs is the best as compared to the normal truncated and V-shape 35-deg continuous ribs for cooling the turbine blade after modification and analysis has been done. This investigation has been done the various solution analysis like; pressure drop, velocity, temperature, wall shear stress, heat transfer coefficient etc.
Authors and Affiliations
Deepak Dewangan
Keywords
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