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Author : C. T. Norgren
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (11 download)
Download or read book Advanced Liner-cooling Techniques for Gas Turbine Combustors written by C. T. Norgren and published by . This book was released on 1985 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Marc D. Paskin
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book An Efficient Liner Cooling Scheme for Advanced Small Gas Turbine Combustors written by Marc D. Paskin and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : B. Simon
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (228 download)
Download or read book Advanced Combustor Liner Cooling Concepts written by B. Simon and published by . This book was released on 1984 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: Small gas turbine liner cooling is especially difficult due to the low combustor air flow and relatively large flame tube areas. Therefore, it is desirable to increase the cooling potential of the cooling air by application of combined convective-film cooling. Its advantage must be balanced carefully against the disadvantage of increased weight and production cost. The large number of variable parameters of a combined cooling configuration requires a computer model which allows the simulation of different cooling approaches. To verify this, model tests with various configurations were conducted in a 2D-cooling rig. Good agreement between measured and calculated liner temperatures could be achieved. Thus, the model is suitable to show under which conditions a marked decrease of wall temperature can be reached compared with the case of straight film cooling under the same conditions.
Author : Arthur H. Lefebvre
Publisher : CRC Press
ISBN 13 : 9781560326731
Total Pages : 420 pages
Book Rating : 4.3/5 (267 download)
Download or read book GAS Turbine Combustion, Second Edition written by Arthur H. Lefebvre and published by CRC Press. This book was released on 1998-09-01 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: This revised edition provides understanding of the basic physical, chemical, and aerodynamic processes associated with gas turbine combustion and their relevance and application to combustor performance and design. It also introduces the many new concepts for ultra-low emissions combustors, and new advances in fuel preparation and liner wall-cooling techniques for their success. It details advanced and practical approaches to combustor design for the clean burning of alternative liquid fuels derived from oil shades, tar sands, and coal. Additional topics include diffusers, combustion performance fuel injection, combustion noise, heat transfer, and emissions.
Author : R.S. Amano
Publisher : WIT Press
ISBN 13 : 1845649060
Total Pages : 253 pages
Book Rating : 4.8/5 (456 download)
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.
Author : Arthur H. Lefebvre
Publisher : CRC Press
ISBN 13 : 1420086057
Total Pages : 560 pages
Book Rating : 4.4/5 (2 download)
Download or read book Gas Turbine Combustion written by Arthur H. Lefebvre and published by CRC Press. This book was released on 2010-04-26 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reflecting the developments in gas turbine combustion technology that have occurred in the last decade, Gas Turbine Combustion: Alternative Fuels and Emissions, Third Edition provides an up-to-date design manual and research reference on the design, manufacture, and operation of gas turbine combustors in applications ranging from aeronautical to po
Author : Arthur Henry Lefebvre
Publisher : Hemisphere Pub
ISBN 13 :
Total Pages : 458 pages
Book Rating : 4.3/5 (91 download)
Download or read book Gas Turbine Combustor Design Problems written by Arthur Henry Lefebvre and published by Hemisphere Pub. This book was released on 1980 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nick Syred
Publisher : Springer
ISBN 13 : 1402065159
Total Pages : 468 pages
Book Rating : 4.4/5 (2 download)
Download or read book Advanced Combustion and Aerothermal Technologies written by Nick Syred and published by Springer. This book was released on 2007-10-16 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: Here readers will find a summary of proceedings at a highly important NATO workshop. The ARW Advanced Combustion and Aerothermal Technologies: Environmental Protection and Pollution Reductions, was held in Kiev, May 2006. The workshop was co-directed by Profs. N. Syred and A.Khalatov, winners of the NATO Scientific Prize 2002, and was organized by the Institute of Thermophysics (Ukraine) and Cardiff University, UK. The primary workshop objective was to assess the existing knowledge on advanced combustion and aerothermal technologies providing reduced environmental impact.
Author : Richard H. Andersen
Publisher :
ISBN 13 :
Total Pages : 199 pages
Book Rating : 4.:/5 (227 download)
Download or read book Advanced High Temperature Combustor Research for Small Gas Turbine Engines written by Richard H. Andersen and published by . This book was released on 1968 with total page 199 pages. Available in PDF, EPUB and Kindle. Book excerpt: Design studies and an experimental test program were conducted to provide basic technology and preliminary flight-weight designs for a small (2-5 lb/sec total engine airflow) high temperature rise combustor with a 3000F exit temperature, as a first step towards demonstration in an advanced engine. Tests were conducted to evaluate the combustor design parameters developed in the initial design study phase of the program pertaining to liner cooling techniques, primary-diluent air mixing, fuel introduction and patternization, and primary zone performance. The preliminary designs optimize the technology developed in this program and comprise both annular and can end-mounted combustor configurations incorporating an annular vaporizer fuel introduction system and transpirationally cooled liners. (Author).
Author : Marc D. Paskin
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.:/5 (317 download)
Download or read book Compliant Metal Enhanced Convection Cooled Reverse-flow Annular Combustor written by Marc D. Paskin and published by . This book was released on 1994 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: A joint Army/NASA program was conducted to design, fabricate, and test an advanced, reverse-flow, small gas turbine combustor using a compliant metal enhanced (CME) convection wall cooling concept. The objectives of this effort were to develop a design method (basic design data base and analysis) for the CME cooling technique and tben demonstrate its application to an advanced cycle, small, reverse-flow combustor with 3000 F (1922 K) burner outlet temperature (BOT). The CME concept offers significant improvements in wall cooling effectiveness resulting in a large reduction in cooling air requirements. Therefore, more air is available for control of burner outlet temperature pattern in addition to the benefit of improved efficiency, reduced emissions, and smoke levels. Rig test results demonstrated the benefits and viability of the CME concept meeting or exceeding the aerothermal performance and liner wall temperature characteristics of similar lower temperature-rise combustors, achieving 0.15 pattern factor at 3000 F (1922 K) BOT, while utilizing approximately 80 percent less cooling air than conventional, film-cooled combustion systems.
Author : Je-Chin Han
Publisher : CRC Press
ISBN 13 : 1439855684
Total Pages : 892 pages
Book Rating : 4.4/5 (398 download)
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.
Author : T. Aiba
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)
Download or read book Liner Cooling of an Aircraft Gas Turbine Combustor written by T. Aiba and published by . This book was released on 1975 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : S. C. Li
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book An Improved Method for Correlation of Film-cooling Effectiveness of Gas Turbine Combustor Liners written by S. C. Li and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 248 pages
Book Rating : 4.:/5 (317 download)
Download or read book Advanced Cooling Techniques for High-pressure Hydrocarbon-fueled Engines written by and published by . This book was released on 1979 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Adam Shrager
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (12 download)
Download or read book Effect of Effusion Cooling Pattern Near the Dilution Hole for a Double-Walled Combustor Liner written by Adam Shrager and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Gas turbine engines are an important technology for power generation and aircraft propulsion due to their relatively high efficiencies compared to other methods of power generation. To further improve the efficiency, pressure ratios in modern gas turbine engines continue to rise, which also causes higher temperatures in the turbine and combustor. As such, advanced cooling methods are necessary to protect the engine components from the high temperatures that occur in the engine and to maintain durability. Modern combustors commonly use a double-walled liner with impingement and effusion cooling plates. The impingement cooling enhances the backside cooling, while the effusion cooling creates a protective film on the external surface. In addition, modern combustor liners also include large dilution holes to promote mixing of the air and fuel in a process that reduces NOx emissions. However, the dilution jets interrupt the cooling film, making it difficult to cool the combustor walls, especially near the dilution holes.This study evaluates the surface cooling effectiveness and flowfield for a double-walled combustor liner with impingement and effusion cooling as well as a row of large dilution holes. The effusion cooling hole pattern was varied with three different hole patterns in the region surrounding the dilution holes including: no additional effusion holes, effusion holes blowing radially outward from the dilution holes, and effusion holes blowing radially inward toward the dilution holes. The momentum flux ratio of the dilution jets and approaching freestream turbulence were also varied. The effusion hole patterns with addition effusion holes surrounding the dilution holes improved the cooling effectiveness through in-hole convection. For each panel geometry, increasing the momentum flux ratio generally increased effectiveness levels with diminishing returns. In addition, decreasing the approaching freestream turbulence intensity increased the effectiveness across the panels. Flowfield measurements showed that the outward blowing effusion jets created a vortex that transported a significant amount of freestream fluid toward the surface at the leading edge of the dilution hole.
Author : S. Can Gülen
Publisher : Cambridge University Press
ISBN 13 : 1108416659
Total Pages : 735 pages
Book Rating : 4.1/5 (84 download)
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.
Author : Raymond Strong Colladay
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.:/5 (31 download)
Download or read book Analysis and Comparison of Wall Cooling Schemes for Advanced Gas Turbine Applications written by Raymond Strong Colladay and published by . This book was released on 1972 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: The relative performance of (1) counterflow film cooling, (2) parallel-flow film cooling, (3) convection cooling, (4) adiabatic film cooling, (5) transpiration cooling, and (6) full-coverage film cooling was investigated for heat loading conditions expected in future gas turbine engines. Assumed in the analysis were hot-gas conditions of 2200 K (3500 F) recovery temperature, 5 to 40 atmospheres total pressure, and 0.6 gas Mach number and a cooling air supply temperature of 811 K (1000 F). The first three cooling methods involve film cooling from slots. Counterflow and parallel flow describe the direction of convection cooling air along the inside surface of the wall relative to the main gas flow direction. The importance of utilizing the heat sink available in the coolant for convection cooling prior to film injection is illustrated.
