Naveen Bhatt

6 Questions 75 Answers 0 Followers

Questions related from Naveen Bhatt

What is the meaning of 'Design lifetime' in elevated temperature design? is it related to average creep rupture strength used in design?

Dear RG Members, Greetings. ASME BPVC (nuclear code) uses the term 'Design lifetime' does it have a standard definition (Similarly section - VIII div-2 uses term useful life). I want to understand...

14 December 2024 1,466 4 View

Retrieving ANSYS Data from multiple result files, based on Loadstep and Substep in PyANSYS ?

Dear RG Members, I’m currently working on extracting data of multiple .rst/.rth files, which are having same mesh and same node numbering, using PyANSYS/PyMAPDL. The end target is to use this...

13 August 2024 2,474 1 View

What are the Boundary conditions for a transient thermal analysis of a steam turbine rotor?

I am simulating the transient thermal response of a steam turbine rotor, results of which will be used for subsequent structural analysis for thermal stress calculation. I am not sure how much...

28 February 2015 7,063 6 View

Why ASME-BPVC excludes steam turbine casings from its scope?

Para 1.2.4.2 (C) of ASME section VIII div 2 excludes some of the pressure vessels from its scope (which includes steam turbines also). Why so? As per my understanding failure of boilers/reactors...

20 November 2014 6,007 4 View

What is the difference between creep ratcheting and strain ratcheting?

What is difference between creep ratcheting and strain ratcheting? How do you take care of them in design. Is the O'Donnell Porowski diagram of ASME the only way of doing so? How to do results...

22 October 2014 4,750 12 View

Is anyone familiar with the use of yield strength in creep zone?

I was going through some literature on AUSC steam turbine (operating temperature 700 deg C). In many of the papers i have seen that 400 MPa yield strength at operating temperature was used as...

23 September 2014 9,391 14 View