...-mail:  Eid_111@yahoo.com e-mail:  MSGahtani6@se.com.sa 06 08 2023 21 08 2023 21 11 2023 fuel atomization emulsion gas turbine Emissions generated as combustion products in the power generation industry are a known environmental challenge. For the next few decades...

...Filippo Faldella; Sebastian Eisenring; Taesung Kim; Ulrich Doll; Peter Jansohn Carbon dioxide emissions in gas turbine power generation can be reduced by adding an increasing amount of hydrogen to the existing natural gas-fueled combustion systems. To enable safe operation, more insight on how H 2...

...Alexander Jaeschke; Bernhard Ćosić; Dominik Wassmer; Christian Oliver Paschereit Hydrogen as an essential part of future decarbonization of the energy industry makes it a crucial necessity to replace conventional, natural gas based concepts in gas turbine combustion. This paper presents...

... investigations of the flow, heat transfer, and pressure loss in various Gyroid architectures in a wedge-shaped channel, representing a trailing edge cooling for gas turbine blades. The Gyroid structures are partly arranged near the outlet of the wedged channel or are fully filled within the wedged channel...

...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...

...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...

...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...

... endwall film cooling vortex generator gas turbine Figure 14 compares the film cooling effectiveness contours on blade endwall near pressure side corner area between 12 cases with RVGP and baseline case (without RVGP). It is indicated that h and b have significant influences on the film...

...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...

...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...

...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...

... 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...

... characteristics of a real central tie rod rotor of the class-F gas turbine for verification of its effectiveness, and the calculated critical speeds are in good agreement with test measurement results, implying that the method is accurate and the dynamic model is reliable. This approach can also be applied...

...Amin Mirzaee; Karim Salahshoor In this section the overall performance of the proposed active fault tolerant control system is investigated. First, the startup sequence of the gas turbine and the aforementioned GUI is shown in Figs. 6–9 . It can be seen that the control system can safely bring...

... 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...

... 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...

...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...

...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...

... 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...

... 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...