HI, I am M.TECH student and doing project work on "Implementation of ASME SECTION VIII DIV. 2 ed. 2007" ...
will u please tell me what r the new design theories used in ed. 2007 div. 2 of pressure vessel?
why reinforcement of nozzle and other design formulas needed to change w.r. t earlier addenda?

or

which books / sites will give me information on these?

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Paresh Gujarati
M.TECH (Industrial Process Equipment Design)

Try Section VIII Division 2, Edition 2007 compared to Ed 04.

The change was required because since 1950 design methods have changed a bit, and ASME did not want to miss the plane.

En 13445 is a big competitor to the Code, that was driving too.

DK