THE STRENGTH & BEHAVICURINVESTIGATION OF TURBINE PARTS WITH USE OF P.C

The main purpose of this report is to show that with some basic information from the manufacturer and by use of PC and available commerical F.E.M calculation softwares, it is possible to go more through the design and construction matters of turbine's part and to get the required answers and to make better descisions in regard with problems encountred during evaluation or operation periods. In this report the (HP-IP) outer casing of a 250MW steam. turbine which basic design and construction information of it for comparison of the results were available has been choosen , the temperature, elongation and combined stress distribution were drived and results compared with those of manufacturer and casing material allowable stresses. Variation of thickness and surface heat transfer coefficients were studied.