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Questions related from Naveen Bhatt
Refer the book "Gas Turbine Powerhouse: The Development of the Power Generation Gas Turbine at BBC-ABB-Alstom" by Dietrich Eckardt (available at https://books.google.com/). On page 275 a...
12 December 2017 2,792 5 View
We used to use Alloy82 filler for COSMETIC REPAIRS on 9Cr1Mo castings which are small in size and mainly in compressive zone or/and in low loaded areas. Could we use same filler for repair in...
07 July 2016 7,081 13 View
Can someone please provide the properties required to design Alloy 625 CASTINGS (CW6MC) at elevated temperature. Properties given in ASME are for formed products and not for casting. Other than...
09 September 2015 8,446 15 View
Why nuclear codes of ASME only consider damage due to creep fatigue interaction i.e. section III subsection NH. Why it is not considered in non nuclear codes i.e. section VIII
04 April 2015 3,834 5 View
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...
02 February 2015 7,591 7 View
I want to compare the physical/thermal properties of GX12CrMoVNbN 9 1 (GP91 cast steel) with Gx12CrMoWVNbN10-1-1 for a transient thermal analysis. From where i can get the properties (density,...
01 January 2015 1,704 4 View
Steam turbine castings are similar to a high temperature pressure vessel but Para 1.2.4.2 (C) of ASME section VIII div 2 excludes some of the pressure vessels from its scope. which includes steam...
01 January 2015 2,001 3 View
I am having transient steam parameters at inlet of a steam turbine (start up curve). Is it possible to calculate the steam parameters at exhaust by formulation/simulation/open software? I am...
11 November 2014 7,808 4 View
As per theory: damage, in its mechanical sense is the creation and growth of voids inside material. But what is the physical interpretation of the sentence 'creep damage or fatigue damage is this...
11 November 2014 3,184 41 View
Is it possible to do Ph. D. after B. Tech. without doing post graduation (M. Tech./M.S.), if having some years R&D experience. Please inform part time and distant learning options also.
11 November 2014 840 11 View
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...
10 October 2014 1,285 13 View
In general, light is produced for household purpose with bulb, CFL, tube, LED etc from electrical power. There is a big portion of world that lives in dark after sun sets. These people do not want...
10 October 2014 5,612 26 View
I have a stepped shaft which comes on the way of a steam flow and hence is subjected to fatigue due to thermal cycling. Same was simulated. As the steam impinges on the shaft top surface expends...
10 October 2014 9,453 8 View
