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Keywords: thermal stresses
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Journal Articles
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. November 2011, 133(11): 114501.
Published Online: May 17, 2011
... was simply decreased from the top around 900 ° C to the root, and the thermal stress locally increased at the root of the seat, which was connected with the valve box. The stress was lowered below the allowable limit 120 MPa by decreasing the thickness of the connecting part and increasing the temperature...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2011, 133(7): 072301.
Published Online: March 16, 2011
... were achieved. The primary limitation on increasing the mass flow rates and temperature further was the structural failure of the device due to thermal stresses. With the partially filled configuration, a mass flow rate of 0.2 g/s and a corresponding power density of 54 MW / m 3 were obtained. The exit...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. August 2010, 132(8): 082501.
Published Online: May 26, 2010
... analysis Galerkin method iterative methods mechanical contact reduced order systems steam turbines thermal stresses time-domain analysis vibrations The rotor blades of a low pressure (LP) steam turbine stage are subjected to high static and dynamic loads during operation. The static loads...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2010, 132(1): 012904.
Published Online: October 2, 2009
... at lower and lower temperature as the design life increases. Although true for the temperature at which the allowable stress is governed by creep properties, the effect is more apparent, e.g., creep effects show up sooner, at local structural discontinuities and peak thermal stress locations...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2009, 131(1): 012802.
Published Online: November 20, 2008
...Zhenhua Guo; Zhaoyan Zhang; Biqing Sheng; Wen Peng A displacement based 3D finite element model is developed to simulate thermal stress induced by high temperature and temperature gradient during diesel particulate filter (DPF) regeneration. The temperature field predicted by 3D regeneration model...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2008, 130(1): 012508.
Published Online: January 11, 2008
... of time it would take the original thermal model to compute. 28 06 2006 24 07 2006 11 01 2008 aerospace engineering aerospace engines internal stresses neural nets thermal stresses turbines Accurate life prediction for turbine engines has become increasingly important...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2006, 128(4): 865–872.
Published Online: September 18, 2006
... and Aeroengine Congress and Exhibition, Atlanta, GA, June 16–19, 2003, Paper No. 2003-GT-38922. 01 October 2002 01 March 2003 16 June 2003 18 09 2006 gas turbines aerospace engines X-ray diffraction fatigue testing thermal stresses computerised numerical control tolerance...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. April 2005, 127(2): 340–347.
Published Online: April 15, 2005
... response to external disturbances, such as load trip, that make this very difficult to do. Furthermore, the presence of the recuperator requires smooth variations to the Turbine Outlet Temperature (TOT), when possible, to ensure reduced thermal stresses to the metallic matrix. This paper, after a brief...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2001, 123(1): 251–254.
Published Online: December 29, 1999
... . Manuscript received by the ICE Division May 26, 1999; final revision received by the ASME Headquarters December 29, 1999. Technical Editor: D. Assanis. 26 May 1999 29 December 1999 design engineering steam turbines power plants optimisation thermal stresses gas turbines...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2001, 123(1): 246–250.
Published Online: December 29, 1999
...J. Bausa; G. Tsatsaronis The fast startup and load-increasing process of power plants is a complex task involving several restrictions that have to be fulfilled simultaneously. An important restriction is the maximum allowed thermal stress of the steam generator pipes and the steam turbines caused...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2000, 122(1): 55–61.
Published Online: October 20, 1999
... 20 October 1999 gas turbines superalloys nickel alloys machining plastic deformation thermal stresses metallurgy dimensions mechanical testing The dimensional instability phenomenon is basically a change in dimension with respect to time without doing any further work...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2000, 122(1): 50–54.
Published Online: October 20, 1999
... received by the ASME Headquarters October 20, 1999. Associate Technical Editor: R. Kielb. 02 June 1998 24 March 1998 20 October 1999 thermal stresses gas turbines corrosion protective coatings oxidation corrosion testing crystal microstructure aluminium compounds platinum...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2000, 122(1): 43–49.
Published Online: July 30, 1999
... compounds aluminium compounds yttrium compounds nickel compounds cobalt compounds Young's modulus mechanical testing thermal stresses The increase in gas turbine firing temperature has driven the need to provide blade protection. Actually, as increases in the firing temperatures were made...