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Keywords: sensitivity analysis
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Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2021, 143(6): 061017.
Paper No: GTP-20-1254
Published Online: March 31, 2021
...Leonardo Urbiola-Soto A robust approach to investigate a tilting pad journal bearing (TPJB) as a whole tolerance stack-up assembly is presented. Normal component variation within actual design tolerances is considered. The vector loop is expanded via Taylor series for sensitive analysis...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 2012, 134(4): 041501.
Published Online: January 25, 2012
... complemented by modeling using the PREMIX module of Chemkin to provide insights into and to validate combined models describing the oxidation chemistry of surrogate fuels depicting kerosene, fatty acid methyl ester biofuels, and Fischer-Tropsch derived fuels. Sensitivity analysis has identified important...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2012, 134(2): 022401.
Published Online: December 16, 2011
... for implementing the methodology is developed and a simulation model is set up. Finally, different degradation-over-time scenarios for a gas turbine are simulated and a sensitivity analysis on methodology response is carried out, to assess the capability and the reliability of the prognostic methodology...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. November 2011, 133(11): 112001.
Published Online: May 17, 2011
... that the optimum nominal powers in TWC mode, OWC mode, and HDF mode are 3.5 MW, 3.4 MW, and 0.8 MW, respectively. Furthermore, in order to determine the sensitivity of results to parameters such as cost of electricity, cost of fuel, and carbon tax, a comprehensive sensitivity analysis was conducted. It is noted...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. September 2011, 133(9): 092502.
Published Online: April 19, 2011
... order sensitivity analysis performed during detailed design was unable to detect a failure mode while a probabilistic analysis revealed a small yet significant risk of failure. Therefore, a secondary flow analyst does not have a justifiable reason to be highly confident of a design qualified by a first...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2009, 131(3): 032503.
Published Online: January 29, 2009
... earlier than expected using deterministic methods is approximately 80%. The application of a sensitivity analysis to a surrogate model for the life identified the leading drivers of the minimum combustor life and the typical combustor life as the material property variability and the circumferential...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2009, 131(2): 022510.
Published Online: December 30, 2008
... 14 04 2008 30 12 2008 blades damping discs (structures) engines finite element analysis friction mechanical contact sensitivity analysis Cameron , T. M. , and Griffin , J. H. , 1989 , “ An Alternating Frequency/Time Domain Method for Calculating Steady...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2008, 130(2): 022503.
Published Online: February 29, 2008
... blisc with underplatform dampers are provided. blades discs (structures) finite element analysis friction mechanical contact sensitivity analysis shock absorbers stochastic processes vibrations The cases of two most influential UPD parameters are considered here: (i) damper mass (Fig...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2008, 130(2): 022501.
Published Online: January 22, 2008
... Conference on Vibrations in Rotating Machinery , Bath, pp. 51 – 58 . 26 04 2007 08 06 2007 22 01 2008 blades discs (structures) fans sensitivity analysis stability statistics Since the major problem surrounding mistuned bladed disks is related to uncertainty...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2007, 129(3): 629–636.
Published Online: October 31, 2006
... combined cycle, with a three-pressure-levels bottoming cycle. A sensitivity analysis allowed to evaluate the economic convenience of the two plants as a function of the costs of the hydrogen and electrical energy. H 2 and power plant operating costs H 2 plant Power plant...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. April 2007, 129(2): 338–351.
Published Online: August 10, 2006
...-heating-volume basis) and 63 t ∕ hr of superheated steam. The proposed power plants generate, respectively, 22 MW (i), 36 MW (ii), and 87 MW (iii) without CO 2 capture. A sensitivity analysis was carried out to determine the optimum size for each configuration and to investigate the influence of some...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. April 2007, 129(2): 530–541.
Published Online: August 7, 2006
... that is attributed to larger gradients in steady loading as apparent from steady data. Effect of inflow incidence on unsteady blade loading data at midspan on blades + 1 , 0 and − 1 ; axial bending, low subsonic, k = 0.1 20 06 2006 07 08 2006 sensitivity...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2007, 129(1): 261–270.
Published Online: May 31, 2006
...Huateng Yang; S. R. Krishnan; K. K. Srinivasan; K. C. Midkiff A sensitivity analysis of NO x formation in pilot-ignited natural gas dual fuel engines is performed based on a phenomenological combustion model. The NO x formation mechanism employed in this study incorporates a super-extended...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2006, 128(4): 789–795.
Published Online: September 28, 2005
... 2005 28 09 2005 gas turbines engines compressors parameter estimation shafts bar charts sensitivity analysis Thermodynamic models and computer software for gas turbine performance analysis have been available for a long time. When all engine internal design-point component...