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Keywords: gas turbine
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Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2021, 143(9): 091022.
Paper No: GTP-20-1821
Published Online: June 17, 2021
... endwall film cooling vortex generator gas turbine In modern gas turbines, film cooling is a standard technology to cool the high-temperature components in the first turbine stage [ 1 ]. Since the 1960s, it has been proven to be an effective way to extend the service life of components working...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2021, 143(1): 011009.
Paper No: GTP-20-1755
Published Online: December 24, 2020
...Andrea Amedei; Enrico Meli; Andrea Rindi; Egidio Pucci The present paper proposes a methodology to characterize the modal damping ratio as a function of frequency in vibrating systems, with a focus on gas turbine combustion chambers. Proposed methodology correlates the modal damping ratio...
Journal Articles
Article Type: Review Articles
J. Eng. Gas Turbines Power. July 2020, 142(7): 070801.
Paper No: GTP-19-1561
Published Online: June 30, 2020
...Junying Wang; Xinqian Zheng Due to the manufacturing error and in-service degradation of gas turbines, there is always a deviation between the actual geometry and the design geometry. This geometric deviation has a prominent uncertainty characteristic, resulting in a dispersion of the gas turbine...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2018, 140(12): 121006.
Paper No: GTP-18-1117
Published Online: October 8, 2018
...Houman Hanachi; Jie Liu; Ping Ding; Il Yong Kim; Chris K. Mechefske Gas turbine engines (GTEs) are widely used for power generation, ranging from stationary power plants to airplane propulsion systems. Compressor fouling is the dominant degradation mode in gas turbines that leads to economic losses...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2014, 136(7): 071703.
Paper No: GTP-14-1012
Published Online: February 20, 2014
... conventional stand-alone nuclear power plants and natural gas combined cycle and peaking plants. A companion paper discusses the necessary modifications and issues for coupling an external heat source to a conventional gas turbine and provides two baseline designs (derived from the GE 7FB and Alstom GT24...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2013, 135(12): 122505.
Paper No: GTP-13-1139
Published Online: September 23, 2013
... is further developed to obtain the dynamic characteristics such as critical speeds of lateral vibration, mode shapes, and an unbalance response. The improved TMM is applied to investigate the dynamic characteristics of a real central tie rod rotor of the class-F gas turbine for verification of its...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2013, 135(12): 122501.
Paper No: GTP-12-1496
Published Online: September 20, 2013
... online September 20, 2013. Assoc. Editor: Allan Volponi. 27 12 2012 23 06 2013 Gas turbines are generally used in power generation, the oil and gas industries, and as jet engines in aircrafts. Fault tolerance and reliability is important in such applications. Thus, accurate modeling...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2013, 135(9): 092601.
Paper No: GTP-13-1118
Published Online: July 31, 2013
... July 31, 2013. Editor: David Wisler. 29 04 2013 08 05 2013 During recent decades, artificial intelligence has been employed as a powerful tool for identification of complex industrial systems with nonlinear dynamics, such as gas turbines (GT). In this study, a methodology based...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2013, 135(7): 071601.
Paper No: GTP-12-1357
Published Online: June 12, 2013
... algorithm is applied to a heavy-duty gas turbine considering component faults and sensor biases to demonstrate its capability and improved performance in gas path diagnostics. gas turbine gas path diagnostics sparse Bayesian learning basis pursuit underdetermined problem Any unscheduled...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2013, 135(1): 011501.
Paper No: GTP-11-1332
Published Online: November 1, 2012
...Satoschi Dodo; Tomohiro Asai; Hiromi Koizumi; Hirokazu Takahashi; Shouhei Yoshida; Hiroshi Inoue Contributed by the International Gas Turbine Institute of ASME for publication in the J OURNAL OF T URBOMACHINERY . Manuscript received October 6, 2011; final manuscript received December 7...
Journal Articles
Article Type: Gas Turbines: Industrial And Cogeneration
J. Eng. Gas Turbines Power. October 2012, 134(10): 102001.
Published Online: August 17, 2012
...Rakesh K. Bhargava; Lisa Branchini; Francesco Melino; Antonio Peretto There exists a widespread interest in the application of gas turbine power augmentation technologies in both electric power generation and mechanical drive markets, attributable to deregulation in the power generation sector...
Journal Articles
Article Type: Gas Turbines: Controls, Diagnostics, And Instrumentation
J. Eng. Gas Turbines Power. August 2012, 134(8): 081601.
Published Online: June 11, 2012
... for small deviations. It also employs the concept of the degree of observability to formulate the criteria. The states with high degree of observability and the measurement sets with high overall degree of observability result in high estimation accuracy in gas path diagnostics. A heavy-duty gas turbine...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2012, 134(5): 051701.
Published Online: March 1, 2012
... air turbine (AHAT) system has been studied to improve operational flexibility and thermal efficiency of the gas turbine power generation system. Advanced humid air turbine is an original system which substitutes the water atomization cooling (WAC) system for the intercooler system of the HAT cycle...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2012, 134(1): 012402.
Published Online: October 28, 2011
...Klaus Brun; Marybeth Nored; Rainer Kurz Significant interest exists in the military and commercial aerospace industry to better predict and improve the durability of gas turbine jet engines that are operating in hostile desert environments, specifically, jet engines that see significant inlet sand...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. November 2011, 133(11): 112001.
Published Online: May 17, 2011
... movers as well as economic parameters should be taken into account. In this paper, a thermo-economic method for selecting the optimum nominal power and planning the operational strategy of gas turbine as the prime mover of a medium scale (500–5000 kW) CHP system is presented. Appropriate relations...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2011, 133(1): 011601.
Published Online: September 13, 2010
...Carl A. Palmer; Royce L. Abel; Peter Sandvik This paper describes the development and initial application studies for an active combustion pattern factor controller (APFC) for gas turbines. The system is based around the use of a novel silicon carbide optical ultraviolet dual diode flame...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2010, 132(7): 071503.
Published Online: April 9, 2010
... 04 2010 flames swirling flow velocimeters vortices large eddy simulation thickened-flame swirl premixed combustion gas turbine unconfined configuration Land-based gas turbines operate primarily in a lean-premixed mode (LPM) with natural gas as the fuel of choice due...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2010, 132(2): 021502.
Published Online: October 16, 2009
...Daesik Kim; Jong Guen Lee; Bryan D. Quay; Domenic A. Santavicca; Kwanwoo Kim; Shiva Srinivasan The flame transfer function in a premixed gas turbine combustor is experimentally determined. The fuel (natural gas) is premixed with air upstream of a choked inlet to the combustor. Therefore, the input...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2010, 132(1): 012302.
Published Online: October 1, 2009
...Rory A. Roberts; Jack Brouwer; G. Scott Samuelsen Fuel Cell/Gas Turbine (FC/GT) hybrid technology is promising, but introduces challenges in system operation and control. For base-load applications, changes in ambient conditions perturb the system and it becomes difficult to maintain constant power...
Journal Articles
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. September 2009, 131(5): 054502.
Published Online: June 4, 2009
...Chuanfeng Wang; Donghai Li; Zheng Li; Xuezhi Jiang An optimization method for controller parameters of a gas turbine based on probabilistic robustness was described in this paper. As is well known, gas turbines, like many other plants, are stochastic. The parameters of a plant model are often...