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Keywords: gas turbine
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Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2022, 144(12): 121026.
Paper No: GTP-22-1231
Published Online: November 23, 2022
...Francesco Radaelli; Christian Amann; Ali Aydin; Igor Varfolomeev; Peter Gumbsch; Kai Kadau We present a probabilistic model for quantifying the number of load cycles for nucleation of forging flaws—for a 3.5NiCrMoV high strength low alloy rotor steel—into a crack under gas turbine operating...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2022, 144(8): 081005.
Paper No: GTP-22-1152
Published Online: June 16, 2022
...Jinwei Chen; Xinyu Tang; Jinzhi Lu; Huisheng Zhang Compressor fouling is one of the most prevalent fault modes that contribute to the performance degradation of a gas turbine power plant. Off-line washing is a standard maintenance procedure to recover the fouling degradation, but with washing cost...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2022, 144(8): 081003.
Paper No: GTP-21-1599
Published Online: June 2, 2022
...Keyu Jia; Suhui Li Rapid development in data science provides new methods for combustion tuning. This paper describes an artificial neural network (ANN) model that can accurately predict the key parameters in gas turbine combustion tuning and optimization, including NO x emission, combustor...
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
... a static start system, which provides variable frequency voltage and current, to crank the shaft until it is self-sustaining. For black start capabilities, diesel powered or small gas-turbine generators can be used to provide power to motor the GT. In the RACC, each hot and warm air duct has a bypass line...
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
.... Editor: David Wisler. 21 05 2013 05 08 2013 Fig. 8 Computation flow chart Applying the improved Riccati TMM to a real gas turbine rotor, some numerical results such as critical speeds, mode shapes, and unbalance response of the system are obtained. The rotor...
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
...Amin Mirzaee; Karim Salahshoor 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 and control system design is necessary. In this paper...
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
...Hamid Asgari; XiaoQi Chen; Mohammad B. Menhaj; Raazesh Sainudiin In this study, firstly a brief description of gas turbine performance is presented. Then, a rebuilt SIMULINK model of a low-power gas turbine based on a previous research [ 25 ] is briefly presented. Section 4 describes ANN...
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 A variety of gas...
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...