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Journal articles on the topic 'Gas turbine'

Author: Grafiati
Published: 4 June 2021
Last updated: 25 July 2025

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1

Valenti, Michael. "Keeping it Cool." Mechanical Engineering 123, no. 08 (2001): 48–52. http://dx.doi.org/10.1115/1.2001-aug-2.

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This article provides details of various aspects of air cooling technologies that can give gas turbines a boost. Air inlet cooling raises gas turbine efficiency, which is proportional to the mass flow of air fed into the turbine. The higher the mass flow, the greater the amount of electricity produced from the gas burned. Researchers at Mee Industries conduct laser scattering studies of their company’s fogging nozzles to determine if the nozzles project properly sized droplets for cooling. The goal for turbine air cooling systems is to reduce the temperature of inlet air from the dry bulb temp
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2

Handoko, Susilo, Hendra Hendra, Hafid Suharyadi, and Totok Widiyanto. "Optimization Of Gas Turbine Performance 2.1 Using the Overhaul Combustion Inspection Method." Jurnal Polimesin 22, no. 1 (2024): 103. http://dx.doi.org/10.30811/jpl.v22i1.4221.

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Gas turbines are one type of internal combustion drive, the initial mover utilizes gas combustion as a fluid to rotate the turbine with internal combustion. Gas turbines at private companies producing electricity use the initial movers, namely gas turbines and steam turbines. Therefore, it is also called the "Steam Gas Power Plant/PLTGU.”Private company especially in Block 2, uses two gas turbine units with Mitsubishi GT 2.1 specifications which are used as the initial drive of the generator. Types of overhauls in gas turbines are divided into three, including turbine inspection, combustor ins
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3

Brady, C. O., and D. L. Luck. "The Increased Use of Gas Turbines as Commercial Marine Engines." Journal of Engineering for Gas Turbines and Power 116, no. 2 (1994): 428–33. http://dx.doi.org/10.1115/1.2906839.

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Over the last three decades, aeroderivative gas turbines have become established naval ship propulsion engines, but use in the commercial marine field has been more limited. Today, aeroderivative gas turbines are being increasingly utilized as commercial marine engines. The primary reason for the increased use of gas turbines is discussed and several recent GE aeroderivative gas turbine commercial marine applications are described with particular aspects of the gas turbine engine installations detailed. Finally, the potential for future commercial marine aeroderivative gas turbine applications
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4

Kolychev, A.V., M. Е. Renev, V. A. Savelov, and P. A. Arkhipov. "Effect of Vane Thermal Emission Cooling on the Efficiency of the Gas Turbine Power Plant." Problemele energeticii regionale 4, no. 48 (2020): 45–56. https://doi.org/10.5281/zenodo.4316996.

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The work is devoted to the problem of increasing efficiency of power gas turbine units (microturbines). One of ways to improve efficiency is to increase gas temperature in front of the turbine. Cooling of gas turbine elements is difficult. One of the solutions to the problem may be the method of thermal emission cooling. The purpose of this work is to estimate the potential effect of thermal emission cooling of turbine blades on efficiency. The mentioned aim is achieved by analyzing the main factors influencing the efficiency of the power gas turbine unit. Calculated estimations of thermal con
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5

Dai, Shun, Xiaoyi Zhang, and Mingyu Luo. "A Novel Data-Driven Approach for Predicting the Performance Degradation of a Gas Turbine." Energies 17, no. 4 (2024): 781. http://dx.doi.org/10.3390/en17040781.

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Gas turbines operate under harsh conditions of high temperature and pressure for extended periods, inevitably experiencing performance degradation. Predicting the performance degradation trend of gas turbines and optimizing planned maintenance cycles are crucial for the economic and safety aspects of gas turbine operation. In this study, a novel data-driven approach for predicting gas turbine performance degradation is proposed. Initially, gas turbine operating data are augmented using a mechanism model. Subsequently, a data-driven performance model is constructed based on support vector regre
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6

Sanaye, Sepehr, and Salahadin Hosseini. "Off-design performance improvement of twin-shaft gas turbine by variable geometry turbine and compressor besides fuel control." Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 234, no. 7 (2019): 957–80. http://dx.doi.org/10.1177/0957650919887888.

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A novel procedure for finding the optimum values of design parameters of industrial twin-shaft gas turbines at various ambient temperatures is presented here. This paper focuses on being off design due to various ambient temperatures. The gas turbine modeling is performed by applying compressor and turbine characteristic maps and using thermodynamic matching method. The gas turbine power output is selected as an objective function in optimization procedure with genetic algorithm. Design parameters are compressor inlet guide vane angle, turbine exit temperature, and power turbine inlet nozzle g
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7

Kosowski, Krzysztof, and Marian Piwowarski. "Design Analysis of Micro Gas Turbines in Closed Cycles." Energies 13, no. 21 (2020): 5790. http://dx.doi.org/10.3390/en13215790.

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The problems faced by designers of micro-turbines are connected with a very small volume flow rate of working media which leads to small blade heights and a high rotor speed. In the case of gas turbines this limitation can be overcome by the application of a closed cycle with very low pressure at the compressor inlet (lower than atmospheric pressure). In this way we may apply a micro gas turbine unit of accepted efficiency to work in a similar range of temperatures and the same pressure ratios, but in the range of smaller pressure values and smaller mass flow rate. Thus, we can obtain a gas tu
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8

Mammadova, Jamala. "STUDY OF THERMAL SCHEMES AND CONSTRUCTIVE CHARACTERISTICS OF ENERGY GAS TURBINE UNITS." Journal of Modern Technology and Engineering 9, no. 1 (2024): 119–23. http://dx.doi.org/10.62476/jmte9119.

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The paper studies the thermal schemes and construction characteristics of gas turbine units. The pros and cons of the considered turbines are compared with steam turbine units. At the same time, the amount of nitrogen gas coming out of the gas turbine and a steam turbine of the same power is calculated and a comparative analysis is given. It is found that the amount of nitrogen gas coming out of the gas turbine is 4 times less than that of the steam turbine.
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9

Selviyanty, Veny, and Aris Fiatno. "ANALISA UNJUK KERJA TURBIN GAS PLTG DUAL FUEL SYSTEM (STUDY KASUS DI PT. XXX SIAK)." Jurnal Teknik Industri Terintegrasi 3, no. 1 (2020): 33–48. http://dx.doi.org/10.31004/jutin.v3i1.810.

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PT. XXX serviced the Kawasaki GPB80 gas turbine with the latest data on the use of gas fuel in gas turbine unit 6 on average 32,028 liters / day and the use of diesel fuel in turbine unit 3 is 39,111 liters / day. This research was conducted with field observations and literature studies. Field observations obtained the following data: pressure, temperature at predetermined points, engine generator, the surrounding environment and required supporting data. The specific fuel consumption obtained in unit 6 gas turbines using diesel fuel is 0.049 l / kW hour. turbine efficiency obtained in unit 3
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10

Langston, Lee S. "Clear Skies Ahead." Mechanical Engineering 138, no. 06 (2016): 38–43. http://dx.doi.org/10.1115/1.2016-jun-3.

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This article discusses various fields where gas turbines can play a vital role. Building engines for commercial jetliners is the largest market segment for the gas turbine industry; however, it is far from being the only one. One 2015 military gas turbine program of note was the announcement of an U.S. Air Force competition for an innovative design of a small turbine engine, suitable for a medium-size drone aircraft. The electrical power gas turbine market experienced a sharp boom and bust from 2000 to 2002 because of the deregulation of many electric utilities. Since then, however, the electr
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11

Deng, Chao, Ahmed N. Abdalla, Thamir K. Ibrahim, MingXin Jiang, Ahmed T. Al-Sammarraie, and Jun Wu. "Implementation of Adaptive Neuro-fuzzy Model to Optimize Operational Process of Multiconfiguration Gas-Turbines." Advances in High Energy Physics 2020 (July 3, 2020): 1–17. http://dx.doi.org/10.1155/2020/6590138.

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In this article, the adaptive neuro-fuzzy inference system (ANFIS) and multiconfiguration gas-turbines are used to predict the optimal gas-turbine operating parameters. The principle formulations of gas-turbine configurations with various operating conditions are introduced in detail. The effects of different parameters have been analyzed to select the optimum gas-turbine configuration. The adopted ANFIS model has five inputs, namely, isentropic turbine efficiency (Teff), isentropic compressor efficiency (Ceff), ambient temperature (T1), pressure ratio (rp), and turbine inlet temperature (TIT)
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12

Gregory, Brent A. "How Many Turbine Stages?" Mechanical Engineering 139, no. 05 (2017): 56–57. http://dx.doi.org/10.1115/1.2017-may-5.

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This article discusses various stages of turbines and the importance of having more stages in turbine design. The article also highlights reasons that determine the designer’s choice to select the number of turbine stages for a given design of gas turbine. The highest performance turbines are defined by lower work requirements and slower velocities in the gas path. The fundamental factors determining performance might be relegated to only two factors: demand on the turbine and axial velocity. Aircraft engine technologies drive new initiatives because of the need to increase firing temperature
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13

Karusitio Silaban, Haleonar Mycson, and Abdul Ghofur. "ANALISA PERFORMA TURBIN GAS TIPE CW251 B11 PADA SYSTEM PEMBANGKITAN LISTRIK TENAGA GAS SEKTOR PEMBANGKITAN BALI." JTAM ROTARY 2, no. 2 (2020): 161. http://dx.doi.org/10.20527/jtam_rotary.v2i2.2412.

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Di Bali, kebutuhan listrik berdasarkan data PLN 446.172 MW. Untuk memenuhi kebutuhan beban ini, PLN Bali mengandalkan empat pembangkit listrik berbeda di Pesanggaran, Gilimanuk, Pemaron, dan Pontianak. Sebagian besar pembangkit listrik di Bali menggunakan Pembangkit Listrik Tenaga Gas. Pada pembangkit gas generasi Bali terjadi kerusakan pada bagian turbin. Untuk mengetahui pengaruh kerusakan tersebut, dilakukan penelitian. Dari penelitian ini diketahui bahwa hubungan antara efisiensi dan kinerja suatu turbin gas adalah jika performansi naik maka efisiensi akan meningkat. Temperatur masuk turbi
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14

Ebigenibo Genuine Saturday and Celestine Ebieto Ebieto. "Nigerian power sector: Why gas turbines will be relevant for the next 50 years." Global Journal of Engineering and Technology Advances 5, no. 1 (2020): 066–75. http://dx.doi.org/10.30574/gjeta.2020.5.1.0078.

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Several cases of the need for continuous utilization of gas turbines for power production and why gas turbines will be relevant in the next 50 years in the Nigerian power sector are presented in this paper. Using 7 criteria; the cost of installation, operation and maintenance costs, levelized cost of electricity, capacity factor, the efficiency of energy conversion, power to size ratio/area coverage and environmental pollution, gas turbine operation was compared with wind and solar energy technologies. Gas turbine for power production appears to be more favourable in 5 out of the 7 criteria in
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15

Ebigenibo, Genuine Saturday, and Ebieto Ebieto Celestine. "Nigerian power sector: Why gas turbines will be relevant for the next 50 years." Global Journal of Engineering and Technology Advances 5, no. 1 (2020): 066–75. https://doi.org/10.5281/zenodo.4467697.

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Several cases of the need for continuous utilization of gas turbines for power production and why gas turbines will be relevant in the next 50 years in the Nigerian power sector are presented in this paper. Using 7 criteria; the cost of installation, operation and maintenance costs, levelized cost of electricity, capacity factor, the efficiency of energy conversion, power to size ratio/area coverage and environmental pollution, gas turbine operation was compared with wind and solar energy technologies. Gas turbine for power production appears to be more favourable in 5 out of the 7 criteria in
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16

Bander, F. "Multifuel Gas Turbine Propulsion for Naval Ships: Gas Turbine Cycles Implementing a Rotating Gasifier." Journal of Engineering for Gas Turbines and Power 107, no. 3 (1985): 758–68. http://dx.doi.org/10.1115/1.3239798.

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The purpose of this paper is to investigate the possibilities of implementing a rotating gasifier to convert aero-derived gas turbines into multifuel ship propulsion units, thereby combining the advantages of lightweight and compact gas turbines with the multifuel characteristics of a rotating gasifier. Problems (and possible solutions) to be discussed are: (i) aerodynamic interaction between gas turbine and gasifier; (ii) attaining maximum energy productivity together with ease of control; (iii) corrosion and/or erosion of gas turbine components.
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17

Liu, Yang, Yongbao Liu, Yuhao Jia, and Xiao Liang. "Investigation on the Influence of Thermal Inertia on the Dynamic Characteristics of a Gas Turbine." Processes 12, no. 8 (2024): 1699. http://dx.doi.org/10.3390/pr12081699.

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In mini-grids and marine-isolated grids, power generation gas turbines are subjected to rapid start-up, shutdown, and acceleration/deceleration. This sudden load change can pose a significant impact on the power grid, severely affecting the operational characteristics of gas turbines. To understand the dynamic characteristics of the gas turbine in the transitional processes, this testing takes twin-shaft medium-sized power generation gas turbines as the test object, and goes through the process of startup, acceleration, deceleration, acceleration, shutdown in one hour, and repeats this process
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18

Marin, G. E., B. M. Osipov, and D. I. Mendeleev. "Research on the influence of fuel gas on energy characteristics of a gas turbine." E3S Web of Conferences 124 (2019): 05063. http://dx.doi.org/10.1051/e3sconf/201912405063.

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The purpose of this paper is to study and analyze the gas turbine engine and the thermodynamic cycle of a gas turbine. The article describes the processes of influence of the working fluid composition on the parameters of the main energy gas turbines, depending on the composition of the fuel gas. The calculations of the thermal scheme of a gas turbine, which were made using mathematical modeling, are given. As a result of research on the operation of the GE PG1111 6FA gas turbine installation with various gas compositions, it was established that when the gas turbine is operating on different
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19

Domachowski, Zygfryd, and Marek Dzida. "Applicability of Inlet Air Fogging to Marine Gas Turbine." Polish Maritime Research 26, no. 1 (2019): 15–19. http://dx.doi.org/10.2478/pomr-2019-0002.

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Abstract The dependency of marine gas turbine on the ambient temperature leads to a decrease of the gas turbine power output in arid areas. Very often gas turbine power output demand is high and the power margins originally designed into the driver, has been exhausted. In such circumstances the inlet air fogging is an effective compensation of gas turbine power. In this paper an analysis of inlet air fogging applicability to marine gas turbine has been conducted. Different areas of ship’s voyage have been taken into account. The use of inlet air fogging in marine gas turbine must be evaluated
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20

HARSHA, D. A., and A. DR.YOGANANDA. "CFD ANALYSIS ON RADIALCOOLING OF GAS TURBINE BLADE." IJIERT - International Journal of Innovations in Engineering Research and Technology 4, no. 7 (2017): 47–51. https://doi.org/10.5281/zenodo.1459059.

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<strong>Gas turbines are extensively used for air craft propulsion,land based power generation and industrial applications. Thermal efficiency of gas turbine improved by increasing turbine rotor inlet temperature. The current rotor in let temperature in advanced gas turbine is for above the melting point of blade material. A sophisticated cooling scheme must be developed for continuous safe operation of gas turbines with high performance. Gas turbines are cooled externally and internally. Several methods have been suggested for the cooling of blades and vanes. The techniques that involve to co
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21

Faqih, Mochammad, Madiah Binti Omar, Rosdiazli Ibrahim, and Bahaswan A. A. Omar. "Dry-Low Emission Gas Turbine Technology: Recent Trends and Challenges." Applied Sciences 12, no. 21 (2022): 10922. http://dx.doi.org/10.3390/app122110922.

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Dry-low emission (DLE) is one of the cleanest combustion types used in a gas turbine. DLE gas turbines have become popular due to their ability to reduce emissions by operating in lean-burn operation. However, this technology leads to challenges that sometimes interrupt regular operations. Therefore, this paper extensively reviews the development of the DLE gas turbine and its challenges. Numerous online publications from various databases, including IEEE Xplore, Scopus, and Web of Science, are compiled to describe the evolution of gas turbine technology based on emissions, fuel flexibility, a
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22

Sampathkumar, Deepak, Sam Daniel Fenny Azariah, Ashokkumar Mohankumar, and Mathanbabu Mariappan. "Steady state design and thermal characteristics of a gas turbine blade with lateral holes using finite element analysis." MATEC Web of Conferences 393 (2024): 03001. http://dx.doi.org/10.1051/matecconf/202439303001.

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Turbine blades are the separate components that make up the turbine section of a steam or gas turbine. The blades must transform the high-temperature, high-pressure gas that the combustor produces into energy. In gas turbines, the turbine blades are usually the limiting element. As gas temperatures rise, the amount of heat that reaches the blades will also grow dramatically, leading to their thermal failure. Because gas turbine blades must function in extremely high temperatures, cooling is crucial. After FEA simulation was conducted and radial perforations of 6, 9, and 12 were constructed to
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AOKI, Shigeki, Kiyoshi MATSUMOTO, Yasushi DOUURA, Takeo ODA, Masahiro Ogata, and Yasuhiro KINOSHITA. "A106 Upgraded lineup of KAWASAKI Green Gas Turbine combustion systems(Gas Turbine-2)." Proceedings of the International Conference on Power Engineering (ICOPE) 2009.1 (2009): _1–53_—_1–57_. http://dx.doi.org/10.1299/jsmeicope.2009.1._1-53_.

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24

Heng, Haoyu, Jitong Li, and Tianyi Zhou. "Research of Heavy-Duty Gas Turbines through Computer Mathematical Statistics and Big Data Analysis." Highlights in Science, Engineering and Technology 27 (December 27, 2022): 767–73. http://dx.doi.org/10.54097/hset.v27i.3842.

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Heavy duty gas turbine is the core power equipment of energy efficient conversion and clean utilization system in the 21st century and even longer. It is important for an efficient, clean and safe energy system. The heavy duty gas turbine is developed and manufactured at a level that represents a country's heavy industry and is by far the most efficient thermoelectric conversion equipment. This paper introduces the development status of the heavy duty gas turbine industry at home and abroad, summarizes the working principle and characteristics of heavy duty gas turbines, and prospects the deve
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25

Takeishi, Kenichiro. "Evolution of Turbine Cooled Vanes and Blades Applied for Large Industrial Gas Turbines and Its Trend toward Carbon Neutrality." Energies 15, no. 23 (2022): 8935. http://dx.doi.org/10.3390/en15238935.

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Photovoltaics and wind power are expected to account for a large share of power generation in the carbon-neutral era. A gas turbine combined cycle (GTCC) with an industrial gas turbine as the main engine has the ability to rapidly start up and can follow up to load fluctuations to smooth out fluctuations in power generation from renewable energy sources. Simultaneously, the system must be more efficient than today’s state-of-the-art GTCCs because it will use either Carbon dioxide Capture and Storage (CCS) when burning natural gas or hydrogen/ammonia as fuel, which is more expensive than natura
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26

Bulanin, V. A. "USE OF GAS TURBINES FOR COMBINED ENERGY PRODUCTION." Herald of Dagestan State Technical University. Technical Sciences 47, no. 1 (2020): 8–18. http://dx.doi.org/10.21822/2073-6185-2020-47-1-8-18.

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Abstract. Aim. Despite the obvious expediency of their widespread implementation, gas turbine (GT) and combined cycle gas turbine (CCGT) plants were only used in limited quantities in the former USSR and CIS countries. Due to the exhaustion of possibilities to increase the fuel use efficiency and return on investment (ROI) in steam-turbine combined heat and power (CHP) plants, the development of GT and CCGT plants becomes an urgent problem. In current global practice, the primary fuel for gas turbines and combined cycle gas turbines is natural gas. However, until recently, there has been a lac
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27

Fukuizumi, Y., J. Masada, V. Kallianpur, and Y. Iwasaki. "Application of “H Gas Turbine” Design Technology to Increase Thermal Efficiency and Output Capability of the Mitsubishi M701G2 Gas Turbine." Journal of Engineering for Gas Turbines and Power 127, no. 2 (2005): 369–74. http://dx.doi.org/10.1115/1.1850490.

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Mitsubishi completed design development and verification load testing of a steam-cooled M501H gas turbine at a combined cycle power plant at Takasago, Japan in 2001. Several advanced technologies were specifically developed in addition to the steam-cooled components consisting of the combustor, turbine blades, vanes, and the rotor. Some of the other key technologies consisted of an advanced compressor with a pressure ratio of 25:1, active clearance control, and advanced seal technology. Prior to the M501H, Mitsubishi introduced cooling-steam in “G series” gas turbines in 1997 to cool combustor
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28

Dzida, Marek, and Wojciech Olszewski. "Comparing combined gas tubrine/steam turbine and marine low speed piston engine/steam turbine systems in naval applications." Polish Maritime Research 18, no. 4 (2011): 43–48. http://dx.doi.org/10.2478/v10012-011-0025-8.

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Comparing combined gas tubrine/steam turbine and marine low speed piston engine/steam turbine systems in naval applications The article compares combined systems in naval applications. The object of the analysis is the combined gas turbine/steam turbine system which is compared to the combined marine low-speed Diesel engine/steam turbine system. The comparison refers to the additional power and efficiency increase resulting from the use of the heat in the exhaust gas leaving the piston engine or the gas turbine. In the analysis a number of types of gas turbines with different exhaust gas tempe
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29

Becker, B., and B. Schetter. "Gas Turbines Above 150 MW for Integrated Coal Gasification Combined Cycles (IGCC)." Journal of Engineering for Gas Turbines and Power 114, no. 4 (1992): 660–64. http://dx.doi.org/10.1115/1.2906639.

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Commercial IGCC power plants need gas turbines with high efficiency and high power output in order to reduce specific installation costs and fuel consumption. Therefore the well-proven 154 MW V94.2 and the new 211 MW V94.3 high-temperature gas turbines are well suited for this kind of application. A high degree of integration of the gas turbine, steam turbine, oxygen production, gasifier, and raw gas heat recovery improves the cycle efficiency. The air use for oxygen production is taken from the gas turbine compressor. The N2 fraction is recompressed and mixed with the cleaned gas prior to com
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30

Mahboob, Shaheen. "Structural Analysis & Effect of Impingement Cooling Flow in the Internal Surface on Temperature Distribution of a Vane in Gas Turbine Using Taguchi Technique." International Journal for Research in Applied Science and Engineering Technology 12, no. 4 (2024): 3835–42. http://dx.doi.org/10.22214/ijraset.2024.60775.

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Abstract: Gas turbine always consider one of the most important systems in the modern engineering applications, because it has continuous ability to generate electric power. In gas turbines the major portion of performance dependency lies upon turbine blade design ,the blades are considered one of the important and expensive parts in the gas turbines , where the blades of first stage from failure .The blades of the gas turbine suffer from tensile stresses due to centrifugal forces resulting from the high rotational speed and because of the loading of densegasses at a high temperature and speed
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31

Langston, Lee S. "Air Race." Mechanical Engineering 132, no. 05 (2010): 34–38. http://dx.doi.org/10.1115/1.2010-may-3.

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This article presents an overview of the existence and use of gas turbines in the past, present, and future. The article uses the data provided by Forecast International of Newtown, Conn., which covers both aviation and nonaviation gas turbine markets. The gas turbine has proven to be an example of technological evolution, where improvements in efficiency and reliability continue to amass, 70 years after its invention. Advanced technology developed in military jet engines has often migrated to commercial jet engines and nonaviation gas turbines, and improved their performance. Gas turbine comb
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32

Langston, Lee S. "Gas Turbine Disc Resurrection?" Mechanical Engineering 138, no. 05 (2016): 56–57. http://dx.doi.org/10.1115/1.2016-may-5.

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This article discusses various aspects and need for gas turbine disc resurrection. Depending on the record keeping system used by the government, airlines, OEMs, and users, gas turbine discs are retired before they reach a critical state that might lead to their failure. Experts have reviewed current approaches to gas turbine life management. They point out that the high reliability and safety of modern gas turbines is largely due to a combination of improved materials, conservative design and maintenance philosophies, and improved life prediction capabilities. However, there are significant s
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Wang, Heyu, and Kai Hong Luo. "Aerothermal Performance and Soot Emissions of Reacting Flow in a Micro-Gas Turbine Combustor." Energies 16, no. 7 (2023): 2947. http://dx.doi.org/10.3390/en16072947.

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Micro-gas turbines are used for power generation and propulsion in unmanned aerial vehicles. Despite the growing demand for electric engines in a world striving for a net zero carbon footprint, combustion gas turbines will continue to play a critical role. Hence, there is a need for improved micro-gas turbines that can meet stringent environmental regulations. This paper is the first part of a comprehensive study focused on understanding the fundamental performance and emission characteristics of a micro-gas turbine model, with the aim of finding ways to enhance its operation. The study used a
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34

Harutyunyan, Artur, Krzysztof Badyda, and Łukasz Szablowski. "Energy and exergy analysis of a hydrogen powered gas turbine operating in gas-steam system." Journal of Physics: Conference Series 2812, no. 1 (2024): 012009. http://dx.doi.org/10.1088/1742-6596/2812/1/012009.

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Abstract Due to the global climate strategy to reduce greenhouse gases and the energy crisis caused by global political and economic challenges, the development of renewable energy, as well as achieving energy security, has become a very urgent and priority issue for many countries of the world. As a renewable energy source hydrogen has a very high potential to consider a promising alternative fuel for the power generation, including gas turbines. Due to its high calorific value, low emissions and versatility, hydrogen has many advantages over conventional fuels. Also it is the fact that the g
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35

K, Anoosha. "THERMAL ANALYSIS OF A GAS TURBINE ROTAR BLADE." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 04 (2024): 1–5. http://dx.doi.org/10.55041/ijsrem31271.

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Gas turbines have an important role in electric power generation gasterband technology is used in a variety of configurations for electric power generation. Turbine blades are mainly affected due to static loads also the temperature has significant effect on the gas turbine rotor blades. This paper summarises the design and steady state of thermal analysis of gas turbine router blade on which Solid Works 2020 of software is used for design of solid model of the turbine blade. Ansys 16 software is used for analysis of finite element model generated by meshing of the Blade and design calculation
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36

Langston, Lee S. "Cogeneration: Gas Turbine Multitasking." Mechanical Engineering 134, no. 08 (2012): 50. http://dx.doi.org/10.1115/1.2012-aug-4.

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This article describes the functioning of the gas turbine cogeneration power plant at the University of Connecticut (UConn) in Storrs. This 25-MW power plant serves the 18,000 students’ campus. It has been in operation since 2006 and is expected to save the University $180M in energy costs over its 40-year design life. The heart of the UConn cogeneration plant consists of three 7-MW Solar Taurus gas turbines burning natural gas, with fuel oil as a backup. These drive water-cooled generators to produce up to 20–24 MW of electrical power distributed throughout the campus. Gas turbine exhaust hea
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37

Zhou, Sirui. "Analysis of the Principle of Gas Turbine and State-of-art Applications." Applied and Computational Engineering 98, no. 1 (2024): 169–74. http://dx.doi.org/10.54254/2755-2721/98/2024fmceau0107.

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Abstract. As a matter of fact, gas turbines covers a large part in the maps of contemporary generators and propulsion systems. With this in mind, this study will offer a comprehensive evaluation as well as analysis of gas turbine working principles, key technologies, and cutting-edge applications. The study systematically elucidates the basic structure, thermodynamic cycle characteristics, and performance influencing factors of gas turbines. It focuses on the application of advanced gas turbines in fields such as power generation, aviation, and marine, demonstrating their advantages of high ef
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38

Langston, Lee S. "Riding the Surge." Mechanical Engineering 135, no. 05 (2013): 37–41. http://dx.doi.org/10.1115/1.2013-may-2.

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This article explores the advantages of gas turbines in the marine industry. Marine gas turbines, which are designed specifically for use on ships, have long been one of the segments of the gas turbine market. One advantage that gas turbines have over conventional marine diesels is volume. Gas turbines are the prime movers for the modern combined cycle electric power plant. Both CFM International (a joint venture of General Electric and France’s Snecma) and Pratt &amp; Whitney are working on new engines for this multibillion dollar single-aisle, narrow-body market. Pratt &amp; Whitney’s new ce
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39

Langston, Lee S. "Gas Turbines and Natural Gas Synergism." Mechanical Engineering 135, no. 02 (2013): 30–35. http://dx.doi.org/10.1115/1.2013-feb-4.

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This article presents a study on new electric power gas turbines and the advent of shale natural gas, which now are upending electrical energy markets. Energy Information Administration (EIA) results show that total electrical production cost for a conventional coal plant would be 9.8 cents/kWh, while a conventional natural gas fueled gas turbine combined cycle plant would be a much lower at 6.6 cents/kWh. Furthermore, EIA estimates that 70% of new US power plants will be fueled by natural gas. Gas turbines are the prime movers for the modern combined cycle power plant. On the natural gas side
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40

Zhang, Yuanzhe, Pei Liu, and Zheng Li. "Impact of Cooling with Thermal Barrier Coatings on Flow Passage in a Gas Turbine." Energies 15, no. 1 (2021): 85. http://dx.doi.org/10.3390/en15010085.

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Inlet temperature is vital to the thermal efficiency of gas turbines, which is becoming increasingly important in the context of structural changes in power supplies with more intermittent renewable power sources. Blade cooling is a key method for gas turbines to maintain high inlet temperatures whilst also meeting material temperature limits. However, the implementation of blade cooling within a gas turbine—for instance, thermal barrier coatings (TBCs)—might also change its heat transfer characteristics and lead to challenges in calculating its internal temperature and thermal efficiency. Exi
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Han, Je-Chin, and Srinath Ekkad. "Recent Development in Turbine Blade Film Cooling." International Journal of Rotating Machinery 7, no. 1 (2001): 21–40. http://dx.doi.org/10.1155/s1023621x01000033.

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Gas turbines are extensively used for aircraft propulsion, land-based power generation, and industrial applications. Thermal efficiency and power output of gas turbines increase with increasing turbine rotor inlet temperature (RIT). The current RIT level in advanced gas turbines is far above the .melting point of the blade material. Therefore, along with high temperature material development, a sophisticated cooling scheme must be developed for continuous safe operation of gas turbines with high performance. Gas turbine blades are cooled internally and externally. This paper focuses on externa
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42

Langston, Lee S. "Fahrenheit 3,600." Mechanical Engineering 129, no. 04 (2007): 34–37. http://dx.doi.org/10.1115/1.2007-apr-3.

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This article illustrates capabilities of gas turbines to be able to work in extremely elevated temperatures. The turbine airfoils in the new F135 jet engine that powers the Joint Strike Fighter (JSF) Lightning II are capable of operating at these extreme temperatures. The F135 gas turbine is the first production jet engine in this new 3,600°F class, designed to withstand these highest, record-breaking turbine inlet temperatures. The JSF engine is just one product in the $3.7 billion military gas turbine market, which includes jet engine production for the world’s fighter aircraft military carg
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43

Langston, Lee S. "Powering Ahead." Mechanical Engineering 133, no. 05 (2011): 30–33. http://dx.doi.org/10.1115/1.2011-may-2.

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This article explores the increasing use of natural gas in different turbine industries and in turn creating an efficient electrical system. All indications are that the aviation market will be good for gas turbine production as airlines and the military replace old equipment and expanding economies such as China and India increase their air travel. Gas turbines now account for some 22% of the electricity produced in the United States and 46% of the electricity generated in the United Kingdom. In spite of this market share, electrical power gas turbines have kept a much lower profile than comp
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44

Konishi, Tetsu, Toshishige Ai, Hisato Arimura, and Carlos Koeneke. "A101 DEVELOPMENT OF AIR COOLED COMBUSTOR FOR G SERIES GAS TURBINE(Gas Turbine-1)." Proceedings of the International Conference on Power Engineering (ICOPE) 2009.1 (2009): _1–23_—_1–28_. http://dx.doi.org/10.1299/jsmeicope.2009.1._1-23_.

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TAKATA, Kazumasa, Keizo TSUKAGOSHI, Junichiro MASADA, and Eisaku ITO. "A102 DEVELOPMENT OF ADVANCED TECHNOLOGIES FOR THE NEXT GENERATION GAS TURBINE(Gas Turbine-1)." Proceedings of the International Conference on Power Engineering (ICOPE) 2009.1 (2009): _1–29_—_1–34_. http://dx.doi.org/10.1299/jsmeicope.2009.1._1-29_.

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LIU, Yongwen, and Jianhua XIN. "A207 SCALING COMPONENT MAPS FOR GAS TURBINE STEADY STATE PERFORMANCE SIMULATION(Gas Turbine-5)." Proceedings of the International Conference on Power Engineering (ICOPE) 2009.2 (2009): _2–37_—_2–41_. http://dx.doi.org/10.1299/jsmeicope.2009.2._2-37_.

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47

Jafari, Soheil, Seyed Miran Fashandi, and Theoklis Nikolaidis. "Modeling and Control of the Starter Motor and Start-Up Phase for Gas Turbines." Electronics 8, no. 3 (2019): 363. http://dx.doi.org/10.3390/electronics8030363.

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Improving the performance of industrial gas turbines has always been at the focus of attention of researchers and manufacturers. Nowadays, the operating environment of gas turbines has been transformed significantly respect to the very fast growth of renewable electricity generation where gas turbines should provide a safe, reliable, fast, and flexible transient operation to support their renewable partners. So, having a reliable tools to predict the transient behavior of the gas turbine is becoming more and more important. Regarding the response time and flexibility, improving the turbine per
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48

El Hadik, A. A. "The Impact of Atmospheric Conditions on Gas Turbine Performance." Journal of Engineering for Gas Turbines and Power 112, no. 4 (1990): 590–96. http://dx.doi.org/10.1115/1.2906210.

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In a hot summer climate, as in Kuwait and other Arabian Gulf countries, the performance of a gas turbine deteriorates drastically during the high-temperature hours (up to 60°C in Kuwait). Power demand is the highest at these times. This necessitates an increase in installed gas turbine capacities to balance this deterioration. Gas turbines users are becoming aware of this problem as they depend more on gas turbines to satisfy their power needs and process heat for desalination due to the recent technical and economical development of gas turbines. This paper is devoted to studying the impact o
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49

Al-Mamoori, Dalya H., Mohanad H. Aljanabi, Ali Assim Alobaidi, Omar Muhammed Neda, and Zaid H. Al-Tameemi. "Evaluation of gas fuel and biofuel usage in turbine." Indonesian Journal of Electrical Engineering and Computer Science 14, no. 3 (2019): 1097. http://dx.doi.org/10.11591/ijeecs.v14.i3.pp1097-1104.

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&lt;p&gt;Modern gas turbines are a significant source for power generation and prime mover for marine propulsion. The depleting fossil fuel sources have provided a cue for broader implementation and usage of renewable energy. Biofuel has been touted as a substitute for natural gas to power gas turbines. To confirm the dependability and reliability of this attempt in a complex multi-domain system, for example, the gas turbine, the fuel system of the micro-gas turbine is designed and modelled using MATLAB Simulink. The model; simulates the; transient and steady state of a gas turbine’s nominal f
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Langston, Lee S. "Running in Place." Mechanical Engineering 139, no. 06 (2017): 32–37. http://dx.doi.org/10.1115/1.2017-jun-1.

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This article highlights technological performance improvements in the gas turbine industry and its likely future course. While the outlook for commercial aviation gas turbines is bright, the non-aviation segment is decidedly clouded. While analysts have focused on the growing demand for electricity worldwide, the average output of each individual gas turbine unit is also increasing, and at a rate that is faster than that of electricity demand. Gas turbine power plants also have the advantage of dispatchability, which wind, hydroelectric, and solar often do not. A recent econometric study of re
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