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Keywords: turbines
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Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2024, 146(8): 081011.
Paper No: GTP-23-1570
Published Online: February 8, 2024
... dramatically in terms of number of starts, operating hours per annum, and variation in load level. This results in greater thermal transients on operational equipment leading to an increase in Low Cycle Fatigue damage. To ensure the continued integrity of the steam turbine components, it is essential to assess...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2019, 141(7): 071004.
Paper No: GTP-18-1449
Published Online: January 11, 2019
... number and thermal performance in DSC is about 30% and 33%, respectively. References [1] Han , J. C. , and Wright , L. M. , 2006 , Enhanced Internal Cooling of Turbine Blades and Vanes: The Gas Turbine Handbook , Vol. 4 , U.S. Department of Energy, Office of Fossil Energy, National...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2019, 141(1): 011005.
Paper No: GTP-18-1283
Published Online: September 14, 2018
...Piotr Łuczyński; Dennis Toebben; Manfred Wirsum; Wolfgang F. D. Mohr; Klaus Helbig In pursuit of flexibility improvements, General Electric has developed a product to warm-keep high/intermediate pressure steam turbines using hot air. In order to optimize the warm-keeping operation and to gain...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2019, 141(1): 011013.
Paper No: GTP-18-1333
Published Online: September 14, 2018
... reduces the lifetime. To improve the ability for fast start-ups, information about the metal temperature inside the rotor and the casing are crucial. Thus, an efficient calculation approach is required which enables the prediction of the temperature distribution in a whole multistage steam turbine...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2019, 141(1): 011012.
Paper No: GTP-18-1323
Published Online: September 14, 2018
... ,” ASME J. Turbomach. , 115 ( 4 ), pp. 621 – 656 . 10.1115/1.2929299 [2] Zhang , Q. , O'Dowd , D. O. , He , L. , Wheeler , A. P. S. , Ligrani , P. M. , and Cheong , B. C. Y. , 2011 , “ Overtip Shock Wave Structure and Its Impact on Turbine Blade Tip Heat Transfer ,” ASME...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2019, 141(1): 011002.
Paper No: GTP-18-1311
Published Online: September 7, 2018
...J. Saavedra; G. Paniagua The aerothermal performance of the low-pressure turbine in unmanned aerial vehicles is significantly abated at high altitude, due to boundary layer separation. Different flow control strategies have been proposed to prevent boundary layer separation, such as dielectric...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2019, 141(1): 012601.
Paper No: GTP-18-1170
Published Online: August 31, 2018
...G. Paniagua; D. Cuadrado; J. Saavedra; V. Andreoli; T. Meyer; J. P. Solano; R. Herrero; S. Meyer; D. Lawrence Following three decades of research in short duration facilities, Purdue University has developed an alternative turbine facility in view of the modern technology in computational fluid...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2018, 140(12): 121003.
Paper No: GTP-18-1285
Published Online: August 20, 2018
.... The application of the method is demonstrated by means of the flow through a well-known steam turbine cascade test case. Predicted variations of loss coefficients for different operating conditions can be confirmed by experimental observations. For the investigated test cases, the thermodynamic relaxation...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2018, 140(12): 121504.
Paper No: GTP-17-1628
Published Online: August 20, 2018
...Alessandro Bo; Eugenio Giacomazzi; Giuseppe Messina; Antonio Di Nardo The work in this paper investigates on how a fuel flexible microgas turbine (MGT) combustion chamber, developed by ANSALDO ENERGIA and installed in a Turbec T100 P MGT, can operate when transferring from natural gas (NG...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2018, 140(12): 122601.
Paper No: GTP-17-1608
Published Online: August 6, 2018
...Joseph Saverin; Giacomo Persico; David Marten; David Holst; George Pechlivanoglou; Christian Oliver Paschereit; Vincenzo Dossena The evolution of the wake of a wind turbine contributes significantly to its operation and performance, as well as to those of machines installed in the vicinity...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2018, 140(12): 122501.
Paper No: GTP-18-1005
Published Online: August 6, 2018
... of Ports in the Limaçon Gas Expanders ,” ASME J. Eng. Gas Turbines Power , 133 (( 10 ), p. 103002 . 10.1115/1.4003195 [6] Sultan , I. , 2012 , “ Optimum Design of Limaçon Gas Expanders Based on Thermodynamic Performance ,” Appl. Therm. Eng. , 39 , pp. 188 – 197 . 10.1016/j.applthermaleng...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2018, 140(12): 122801.
Paper No: GTP-18-1084
Published Online: August 6, 2018
... 26, 2018; published online August 6, 2018. Editor: David Wisler. 20 02 2018 26 03 2018 Computational fluid dynamics Energy storage systems Energy systems Engines Experimental Finite element Internal combustion engines Modeling Power Thermal Turbines Control systems...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2018, 140(11): 112604.
Paper No: GTP-17-1218
Published Online: July 31, 2018
... . Manuscript received June 16, 2017; final manuscript received February 19, 2018; published online July 31, 2018. Assoc. Editor: Riccardo Da Soghe. 16 06 2017 19 02 2018 Aerodynamics Computational fluid dynamics Design optimization Experimental Turbines References [1...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2018, 140(11): 112502.
Paper No: GTP-18-1169
Published Online: July 12, 2018
...Kenneth Clark; Michael Barringer; David Johnson; Karen Thole; Eric Grover; Christopher Robak Secondary air is bled from the compressor in a gas turbine engine to cool turbine components and seal the cavities between stages. Unsealed cavities can lead to hot gas ingestion, which can degrade critical...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2018, 140(10): 102502.
Paper No: GTP-17-1421
Published Online: June 25, 2018
...Wen Li; Xing Wang; Xuehui Zhang; Xinjing Zhang; Yangli Zhu; Haisheng Chen It is a common practice to use closed impeller in radial inflow turbine against the flow leakage from tip clearance of impellers, especially in small volume flow condition. It utilizes labyrinths between the shroud...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2018, 140(10): 102602.
Paper No: GTP-17-1455
Published Online: June 25, 2018
... turbochargers (TC) are especially susceptible to this dynamic and are often equipped with variable geometry turbines (VGT) to mitigate some of this effect. Assisted boosting techniques that add power directly to the TC shaft from a power source that is independent of the engine have been shown to significantly...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2018, 140(9): 091703.
Paper No: GTP-17-1039
Published Online: June 15, 2018
...Martin T. White; Christos N. Markides; Abdulnaser I. Sayma In this paper, the effect of working-fluid replacement within an organic Rankine cycle (ORC) turbine is investigated by evaluating the performance of two supersonic stators operating with different working fluids. After designing the two...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2018, 140(9): 092601.
Paper No: GTP-17-1150
Published Online: May 24, 2018
...Dun Lin; Xinrong Su; Xin Yuan The wake vortex is an important origin of unsteadiness and losses in turbines. In this paper, the development and underlying mechanisms of the shedding vortex of a high-pressure transonic turbine vane are studied and analyzed using the delayed detached eddy simulation...