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The IUP Journal of Mechanical Engineering
Design and Analysis of a Steam Engine Turbine Rotor
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Simulation-driven design processes are verified and optimized with the support of computer-based product model simulations. The paper deals with modal analysis and harmonic analysis of the 40 MW steam turbine rotor to find out the natural frequencies and mode shapes using ANSYS. Based on the theoretical design considerations, the critical speeds and amplitudes in the rotor of the steam turbine are derived.

 
 

In present day’s industrial turbulent economy and brutal global markets, manufacturing companies are maintaining their competitive edge by developing innovative designs. Products must stand apart from others, breaking new ground in performance, size, shape, capacity, durability, value or other attributes that compel consumers to select one product over another from a store shelf, or managers to do business with one supplier over another (Joseph and Charles, 2004). In many cases, companies use design innovation to improve on existing products. Other times, they create a whole new class of products and dominate a market segment, as competitors scramble to catch up. In a world economy of radical change, product innovation has emerged as a key market differentiator across nearly all manufacturing industries and market sectors including automotive, aerospace, telecommunications, industrial machines, business equipment, discrete parts and consumer products (Khurmi and Gupta, 2005). Manufacturers have a wide range of such simulation tools to deploy throughout the product development process. Some of the more powerful solutions include first-pass tools for performing analysis early in the design cycle, advanced optimization technology for refining product designs and virtual prototyping methods for evaluating how products will perform in actual operating conditions.

 
 

Steam rotor, ANSYS, Dynamic analysis.