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Keywords: Fracture prediction
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Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2018, 140(6): 062503.
Paper No: GTP-17-1488
Published Online: January 23, 2018
... Computational Energy Fatigue Modeling Fracture prediction Determining the fitness for service and lifetime of an engineering system plays a crucial role for a reliable and safe operation of any engineered apparatus. In particular, fast rotating turbines need well-designed components for a safe...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2018, 140(4): 042501.
Paper No: GTP-17-1357
Published Online: October 31, 2017
... Fracture prediction High cycle fatigue at the edge of contact (EOC) is known to be a potential failure mode of recessive fixtures like fir-tree and dovetail roots of turbine blades as shown in Fig. 1 —left. EOC cracks may grow and become critical leading to catastrophic failure. An elastic...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2017, 139(11): 112502.
Paper No: GTP-16-1554
Published Online: June 21, 2017
... vessels Fatigue Stress analysis Turbines Fracture prediction A steam turbine inlet valve is a main component of a steam power plant, controlling the inlet steam flux to adjust power load and instantly closing as malfunction occurs to protect the steam unit. Creep–fatigue interaction over time...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2017, 139(9): 092602.
Paper No: GTP-16-1565
Published Online: April 11, 2017
... technology Modeling Component maintenance Fracture prediction Component operations A gas turbine, with very high power-to-weight ratio, flexibility for variable working conditions, and good emission performance, is widely used in energy field [ 1 ]. Now the efficiency of combined cycle of a gas...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2017, 139(7): 072501.
Paper No: GTP-16-1426
Published Online: February 14, 2017
... October 8, 2016; published online February 14, 2017. Editor: David Wisler. 29 08 2016 08 10 2016 Fatigue Fatigue Fracture prediction When a structural component is subjected to cyclic or fatigue loading, it experiences deterioration of physical integrity in an evolutionary...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2017, 139(5): 052101.
Paper No: GTP-16-1432
Published Online: January 10, 2017
... such that an “optimum” material selection solution may be achieved. Fatigue Finite element methods Modeling Stress analysis Thermal Fracture prediction Integrated vehicle health management (IVHM) may become the trend of future holistic health management for critical engineering systems [ 1 ]. It relies...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2017, 139(2): 022504.
Paper No: GTP-16-1236
Published Online: September 13, 2016
... September 13, 2016. Editor: David Wisler. 19 06 2016 03 07 2016 Fatigue Finite element fracture Gas turbine technology Fracture prediction As gas turbine continuously elevates the gas inlet temperature to improve their efficiency, thermal barrier coatings (TBCs) obviously...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2017, 139(1): 012505.
Paper No: GTP-16-1262
Published Online: August 16, 2016
... Nonintrusive diagnostics Structural dynamics Vibration Fracture prediction The phenomenon of the increased damping in parametrically excited mechanical systems has been first observed by Tondl [ 1 ], who analyzed self-excited systems with periodical stiffness changes. It has been noticed...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2016, 138(7): 072503.
Paper No: GTP-15-1462
Published Online: December 4, 2015
... December 4, 2015. Editor: David Wisler. 28 09 2015 16 10 2015 Fatigue Modeling Fracture prediction TMF is the major failure mode of engineering components, such as gas turbine nozzle guide vanes, blades, and automotive exhaust manifolds, operating under thermal–mechanical...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2016, 138(6): 062101.
Paper No: GTP-15-1413
Published Online: November 17, 2015
... . Manuscript received August 19, 2015; final manuscript received August 25, 2015; published online November 17, 2015. Editor: David Wisler. 19 08 2015 25 08 2015 Computational mechanics Experimental Fatigue Fracture prediction Due to the increasing introduction of renewable...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2016, 138(5): 052606.
Paper No: GTP-15-1396
Published Online: November 11, 2015
... 08 2015 06 09 2015 Energy systems Fatigue Intelligent control Neural networks Turbines Fracture prediction The quality of online stress control is vital for steam turbine operation flexibility. Operation flexibility has been the subject in recent steam turbine research...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2016, 138(4): 042506.
Paper No: GTP-15-1141
Published Online: October 26, 2015
... October 26, 2015. Assoc. Editor: Herman Shen. 23 04 2015 17 08 2015 Computational mechanics Experimental Fatigue Finite element methods Gas turbine technology Modeling Stress analysis Fracture prediction Generally for gas turbines, the goal is to design the structure...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2016, 138(1): 012503.
Paper No: GTP-15-1329
Published Online: August 12, 2015
... NGINEERING FOR G AS T URBINES AND P OWER . Manuscript received July 15, 2015; final manuscript received July 20, 2015; published online August 12, 2015. Editor: David Wisler. 15 07 2015 20 07 2015 Aerospace applications Experimental Fatigue Fatigue Turbines Fracture prediction...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2016, 138(1): 012501.
Paper No: GTP-15-1327
Published Online: August 12, 2015
... AND P OWER . Manuscript received July 15, 2015; final manuscript received July 20, 2015; published online August 12, 2015. Editor: David Wisler. 15 07 2015 20 07 2015 Aerospace applications Fatigue Fatigue Fracture Turbines Fracture prediction Life prediction...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2015, 137(7): 072503.
Paper No: GTP-14-1542
Published Online: July 1, 2015
... Fracture prediction Despite of observing significant improvements in the present days in the design of a component to prevent fatigue failure, fatigue remains one of the unavoidable factors that play a critical role in a premature failure of a component. This is especially true for gas and steam...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2015, 137(5): 052505.
Paper No: GTP-14-1439
Published Online: May 1, 2015
... fluid dynamics Engines Fatigue Flow induced vibration Gas turbine technology Internal flow Periodic Structural dynamics Unsteady flows Vibration Fracture prediction Aerospace Propulsion systems Flow induced noise Gas turbine engine components commonly experience fatigue due...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2015, 137(4): 042501.
Paper No: GTP-14-1403
Published Online: October 28, 2014
... was calibrated and verified against test data for deformation and crack growth. Computational mechanics Cooling Fatigue Film cooling Finite element methods Gas turbine technology Stress analysis Fracture prediction Increases in the rotor speed and turbine inlet temperature offer the greatest...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2015, 137(3): 032506.
Paper No: GTP-14-1377
Published Online: October 7, 2014
... Turbines Fracture prediction The operation of high temperature components for power plants is facing various challenges. The demand for higher efficiencies requires higher temperatures and pressures. Flexible operations lead to an increased number of stress cycles. To meet tomorrow’s operational...