Gas Turbine Blade Cooling

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Author :
Publisher : SAE International
ISBN 13 : 0768095026
Total Pages : 238 pages
Book Rating : 4.7/5 (68 download)

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Book Synopsis Gas Turbine Blade Cooling by : Chaitanya D Ghodke

Download or read book Gas Turbine Blade Cooling written by Chaitanya D Ghodke and published by SAE International. This book was released on 2018-12-10 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gas turbines play an extremely important role in fulfilling a variety of power needs and are mainly used for power generation and propulsion applications. The performance and efficiency of gas turbine engines are to a large extent dependent on turbine rotor inlet temperatures: typically, the hotter the better. In gas turbines, the combustion temperature and the fuel efficiency are limited by the heat transfer properties of the turbine blades. However, in pushing the limits of hot gas temperatures while preventing the melting of blade components in high-pressure turbines, the use of effective cooling technologies is critical. Increasing the turbine inlet temperature also increases heat transferred to the turbine blade, and it is possible that the operating temperature could reach far above permissible metal temperature. In such cases, insufficient cooling of turbine blades results in excessive thermal stress on the blades causing premature blade failure. This may bring hazards to the engine's safe operation. Gas Turbine Blade Cooling, edited by Dr. Chaitanya D. Ghodke, offers 10 handpicked SAE International's technical papers, which identify key aspects of turbine blade cooling and help readers understand how this process can improve the performance of turbine hardware.

Gas Turbine Blade Cooling

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Author :
Publisher :
ISBN 13 : 9781523140329
Total Pages : 0 pages
Book Rating : 4.1/5 (43 download)

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Book Synopsis Gas Turbine Blade Cooling by :

Download or read book Gas Turbine Blade Cooling written by and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gas turbines play an extremely important role in fulfilling a variety of power needs and are mainly used for power generation and propulsion applications. The performance and efficiency of gas turbine engines are to a large extent dependent on turbine rotor inlet temperatures: typically, the hotter the better. In gas turbines, the combustion temperature and the fuel efficiency are limited by the heat transfer properties of the turbine blades. However, in pushing the limits of hot gas temperatures while preventing the melting of blade components in high-pressure turbines, the use of effective cooling technologies is critical. Increasing the turbine inlet temperature also increases heat transferred to the turbine blade, and it is possible that the operating temperature could reach far above permissible metal temperature. In such cases, insufficient cooling of turbine blades results in excessive thermal stress on the blades causing premature blade failure. This may bring hazards to the engine's safe operation. Gas Turbine Blade Cooling, edited by Dr. Chaitanya D. Ghodke, offers 10 handpicked SAE International's technical papers, which identify key aspects of turbine blade cooling and help readers understand how this process can improve the performance of turbine hardware.

Gas Turbine Blade Cooling

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Author :
Publisher : SAE International
ISBN 13 : 0768095026
Total Pages : 238 pages
Book Rating : 4.7/5 (68 download)

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Book Synopsis Gas Turbine Blade Cooling by : Chaitanya D Ghodke

Download or read book Gas Turbine Blade Cooling written by Chaitanya D Ghodke and published by SAE International. This book was released on 2018-12-10 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gas turbines play an extremely important role in fulfilling a variety of power needs and are mainly used for power generation and propulsion applications. The performance and efficiency of gas turbine engines are to a large extent dependent on turbine rotor inlet temperatures: typically, the hotter the better. In gas turbines, the combustion temperature and the fuel efficiency are limited by the heat transfer properties of the turbine blades. However, in pushing the limits of hot gas temperatures while preventing the melting of blade components in high-pressure turbines, the use of effective cooling technologies is critical. Increasing the turbine inlet temperature also increases heat transferred to the turbine blade, and it is possible that the operating temperature could reach far above permissible metal temperature. In such cases, insufficient cooling of turbine blades results in excessive thermal stress on the blades causing premature blade failure. This may bring hazards to the engine's safe operation. Gas Turbine Blade Cooling, edited by Dr. Chaitanya D. Ghodke, offers 10 handpicked SAE International's technical papers, which identify key aspects of turbine blade cooling and help readers understand how this process can improve the performance of turbine hardware.

Gas Turbine Blade Cooling

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Author :
Publisher :
ISBN 13 : 9780768095067
Total Pages : 236 pages
Book Rating : 4.0/5 (95 download)

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Book Synopsis Gas Turbine Blade Cooling by : Chaitanya D. Ghodke

Download or read book Gas Turbine Blade Cooling written by Chaitanya D. Ghodke and published by . This book was released on 2018 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: This offers 10 handpicked SAE International's technical papers, which identify key aspects of turbine blade cooling and help readers understand how this process can improve the performance of turbine hardware.

Gas Turbine Heat Transfer and Cooling Technology, Second Edition

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Author :
Publisher : CRC Press
ISBN 13 : 1439855684
Total Pages : 892 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis Gas Turbine Heat Transfer and Cooling Technology, Second Edition by : Je-Chin Han

Download or read book Gas Turbine Heat Transfer and Cooling Technology, Second Edition written by Je-Chin Han and published by CRC Press. This book was released on 2012-11-27 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive reference for engineers and researchers, Gas Turbine Heat Transfer and Cooling Technology, Second Edition has been completely revised and updated to reflect advances in the field made during the past ten years. The second edition retains the format that made the first edition so popular and adds new information mainly based on selected published papers in the open literature. See What’s New in the Second Edition: State-of-the-art cooling technologies such as advanced turbine blade film cooling and internal cooling Modern experimental methods for gas turbine heat transfer and cooling research Advanced computational models for gas turbine heat transfer and cooling performance predictions Suggestions for future research in this critical technology The book discusses the need for turbine cooling, gas turbine heat-transfer problems, and cooling methodology and covers turbine rotor and stator heat-transfer issues, including endwall and blade tip regions under engine conditions, as well as under simulated engine conditions. It then examines turbine rotor and stator blade film cooling and discusses the unsteady high free-stream turbulence effect on simulated cascade airfoils. From here, the book explores impingement cooling, rib-turbulent cooling, pin-fin cooling, and compound and new cooling techniques. It also highlights the effect of rotation on rotor coolant passage heat transfer. Coverage of experimental methods includes heat-transfer and mass-transfer techniques, liquid crystal thermography, optical techniques, as well as flow and thermal measurement techniques. The book concludes with discussions of governing equations and turbulence models and their applications for predicting turbine blade heat transfer and film cooling, and turbine blade internal cooling.

Survey of Advantages and Problems Associated with Transpiration Cooling and Film Cooling of Gas-turbine Blades

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Author :
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.3/5 (126 download)

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Book Synopsis Survey of Advantages and Problems Associated with Transpiration Cooling and Film Cooling of Gas-turbine Blades by : Ernst Rudolf Georg Eckert

Download or read book Survey of Advantages and Problems Associated with Transpiration Cooling and Film Cooling of Gas-turbine Blades written by Ernst Rudolf Georg Eckert and published by . This book was released on 1951 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summary: Transpiration and film cooling promise to be effective methods of cooling gas-turbine blades; consequently, analytical and experimental investigations are being conducted to obtain a better understanding of these processes. This report serves as an introduction to these cooling methods, explains the physical processes, and surveys the information available for predicting blade temperatures and heat-transfer rates. In addition, the difficulties encountered in obtaining a uniform blade temperature are discussed, and the possibilities of correcting these difficulties are indicated. Air is the only coolant considered in the application of these cooling methods.

Gas Turbines for Electric Power Generation

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Author :
Publisher : Cambridge University Press
ISBN 13 : 1108416659
Total Pages : 735 pages
Book Rating : 4.1/5 (84 download)

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Book Synopsis Gas Turbines for Electric Power Generation by : S. Can Gülen

Download or read book Gas Turbines for Electric Power Generation written by S. Can Gülen and published by Cambridge University Press. This book was released on 2019-02-14 with total page 735 pages. Available in PDF, EPUB and Kindle. Book excerpt: Everything you wanted to know about industrial gas turbines for electric power generation in one source with hard-to-find, hands-on technical information.

Impingement Jet Cooling in Gas Turbines

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Author :
Publisher : WIT Press
ISBN 13 : 1845649060
Total Pages : 253 pages
Book Rating : 4.8/5 (456 download)

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Book Synopsis Impingement Jet Cooling in Gas Turbines by : R.S. Amano

Download or read book Impingement Jet Cooling in Gas Turbines written by R.S. Amano and published by WIT Press. This book was released on 2014-05-28 with total page 253 pages. Available in PDF, EPUB and Kindle. Book excerpt: Due to the requirement for enhanced cooling technologies on modern gas turbine engines, advanced research and development has had to take place in field of thermal engineering. Among the gas turbine cooling technologies, impingement jet cooling is one of the most effective in terms of cooling effectiveness, manufacturability and cost. The chapters contained in this book describe research on state-of-the-art and advanced cooling technologies that have been developed, or that are being researched, with a variety of approaches from theoretical, experimental, and CFD studies. The authors of the chapters have been selected from some of the most active researchers and scientists on the subject. This is the first to book published on the topics of gas turbines and heat transfer to focus on impingement cooling alone.

Cooling of Gas Turbines

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Author :
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Cooling of Gas Turbines by : W. Byron Brown

Download or read book Cooling of Gas Turbines written by W. Byron Brown and published by . This book was released on 1948 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Gas Turbine Engineering Handbook

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Author :
Publisher : Elsevier
ISBN 13 : 9780080456898
Total Pages : 962 pages
Book Rating : 4.4/5 (568 download)

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Book Synopsis Gas Turbine Engineering Handbook by : Meherwan P. Boyce

Download or read book Gas Turbine Engineering Handbook written by Meherwan P. Boyce and published by Elsevier. This book was released on 2017-09-01 with total page 962 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Gas Turbine Engineering Handbook has been the standard for engineers involved in the design, selection, and operation of gas turbines. This revision includes new case histories, the latest techniques, and new designs to comply with recently passed legislation. By keeping the book up to date with new, emerging topics, Boyce ensures that this book will remain the standard and most widely used book in this field. The new Third Edition of the Gas Turbine Engineering Hand Book updates the book to cover the new generation of Advanced gas Turbines. It examines the benefit and some of the major problems that have been encountered by these new turbines. The book keeps abreast of the environmental changes and the industries answer to these new regulations. A new chapter on case histories has been added to enable the engineer in the field to keep abreast of problems that are being encountered and the solutions that have resulted in solving them. Comprehensive treatment of Gas Turbines from Design to Operation and Maintenance. In depth treatment of Compressors with emphasis on surge, rotating stall, and choke; Combustors with emphasis on Dry Low NOx Combustors; and Turbines with emphasis on Metallurgy and new cooling schemes. An excellent introductory book for the student and field engineers A special maintenance section dealing with the advanced gas turbines, and special diagnostic charts have been provided that will enable the reader to troubleshoot problems he encounters in the field The third edition consists of many Case Histories of Gas Turbine problems. This should enable the field engineer to avoid some of these same generic problems

Cooling of Gas Turbines

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Author :
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Cooling of Gas Turbines by : Lincoln Wolfenstein

Download or read book Cooling of Gas Turbines written by Lincoln Wolfenstein and published by . This book was released on 1947 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Cooling of Gas Turbines

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Author :
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Cooling of Gas Turbines by : W. Byron Brown

Download or read book Cooling of Gas Turbines written by W. Byron Brown and published by . This book was released on 1947 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Heat Transfer in Gas Turbines

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Author :
Publisher : Witpress
ISBN 13 :
Total Pages : 544 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Heat Transfer in Gas Turbines by : Bengt Sundén

Download or read book Heat Transfer in Gas Turbines written by Bengt Sundén and published by Witpress. This book was released on 2001 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: This title presents and reflects current active research on various heat transfer topics and related phenomena in gas turbine systems. It begins with a general introduction to gas turbine heat transfer, before moving on to specific areas.

Gas Turbine Performance

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Author :
Publisher : John Wiley & Sons
ISBN 13 : 140515103X
Total Pages : 664 pages
Book Rating : 4.4/5 (51 download)

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Book Synopsis Gas Turbine Performance by : Philip P. Walsh

Download or read book Gas Turbine Performance written by Philip P. Walsh and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt: A significant addition to the literature on gas turbine technology, the second edition of Gas Turbine Performance is a lengthy text covering product advances and technological developments. Including extensive figures, charts, tables and formulae, this book will interest everyone concerned with gas turbine technology, whether they are designers, marketing staff or users.

Impacts of Part-to-Part Variability on Gas Turbine Blade Cooling

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Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (142 download)

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Book Synopsis Impacts of Part-to-Part Variability on Gas Turbine Blade Cooling by : Kelsey Mc Cormack

Download or read book Impacts of Part-to-Part Variability on Gas Turbine Blade Cooling written by Kelsey Mc Cormack and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gas turbine inlet temperatures continue to increase in an effort to improve efficiency. Therefore, effective cooling of hot section components is necessary to reduce deterioration and maintain part life. Despite the best efforts of engine designers, coolant flow blockages or degradation of thermal barrier coatings will nevertheless occur during operation and lead to increased surface temperatures that reduce blade life. This phenomenon is especially prevalent in environments where sand or other small particles are ingested into engines. Part-to-part manufacturing variations also lead to significant changes in geometry relative to design intent that impact the flow and cooling effectiveness of turbine components, even when the deviations are within defined tolerances. This thesis examines part-to-part variations in geometry, flow, and cooling effectiveness for true scale turbine blades. A set of engine-run blades with varying levels of environmental deterioration was operated at engine-relevant conditions and surface temperature was measured using infrared thermography. These measurements were used to calculate cooling effectiveness and expected blade life. Blade flow parameter and cooling effectiveness were both high for blades operated in a benign environment, even though the benign run time blades had the highest run time of the blades measured. Blades operated in a harsh environment not only had lower cooling effectiveness, but also more variation in cooling effectiveness between blades. Film cooling trajectories were calculated for each set of blades tested, and showed that all engine-run blades had a significant reduction in maximum cooling effectiveness behind cooling holes with respect to a set of baseline blades. Cooling effectiveness values were then used to scale surface temperatures up to actual engine operating conditions extracted from the NASA E3 program. While lifing curves from previous literature were able to predict blade temperatures for benign environment blades, surface temperature increased much more than expected for harsh operator blades. A second study analyzed the flow performance and geometry of additively manufactured turbine blades with drilled film cooling holes. A benchtop flow rig was used to characterize flow through the full blade as well as isolated regions of the blade. While partial flow through specific regions of the blade did not match design intent, the total flow through the blade varied by less than 10% between the minimum and maximum flow blades at the design pressure ratio. Computed tomography scans were used to analyze the geometry of cooling features such as film cooling holes, crossover holes, turbulators, and pin fins. Shaped film cooling holes manufactured with a conventional electrical discharge machining (EDM) method were undersized throughout the entire cooling hole. A high-speed EDM method created holes that met design specifications in the metering section, but were also undersized at the hole exit. Additively manufactured features such as turbulators and pin fins were close to design intent shape and size, with the largest variations occurring on downskin surfaces that were unsupported during the build. Roughness was high on both internal and external blade surfaces, particularly for regions with the thinnest walls. This study demonstrated the viability of applying additively manufacturing and advanced hole drill methods to study new turbine cooling technologies at an accelerated timeline and reduced cost.

Gas Turbine Heat Transfer and Cooling Technology

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Author :
Publisher : Taylor & Francis
ISBN 13 : 1466564903
Total Pages : 865 pages
Book Rating : 4.4/5 (665 download)

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Book Synopsis Gas Turbine Heat Transfer and Cooling Technology by : Je-Chin Han

Download or read book Gas Turbine Heat Transfer and Cooling Technology written by Je-Chin Han and published by Taylor & Francis. This book was released on 2012-11-27 with total page 865 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive reference for engineers and researchers, Gas Turbine Heat Transfer and Cooling Technology, Second Edition has been completely revised and updated to reflect advances in the field made during the past ten years. The second edition retains the format that made the first edition so popular and adds new information mainly based on selec

Theoretical, Computational, and Experimental Solutions to Thermo-Fluid Systems

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Author :
Publisher : Springer Nature
ISBN 13 : 9813341653
Total Pages : 505 pages
Book Rating : 4.8/5 (133 download)

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Book Synopsis Theoretical, Computational, and Experimental Solutions to Thermo-Fluid Systems by : Muthukumar Palanisamy

Download or read book Theoretical, Computational, and Experimental Solutions to Thermo-Fluid Systems written by Muthukumar Palanisamy and published by Springer Nature. This book was released on 2021-03-09 with total page 505 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents select proceedings of the International Conference on Innovations in Thermo-Fluid Engineering and Sciences (ICITFES 2020). It covers topics in theoretical and experimental fluid dynamics, numerical methods in heat transfer and fluid mechanics, different modes of heat transfer, multiphase flow, fluid machinery, fluid power, refrigeration and air conditioning, and cryogenics. The book will be helpful to the researchers, scientists, and professionals working in the field of fluid mechanics and machinery, and thermal engineering.