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Book Imaging of Combustion Species in a Radially Staged Gas Turbine Combustor

Download or read book Imaging of Combustion Species in a Radially Staged Gas Turbine Combustor written by and published by . This book was released on 1996 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Fuel Air Mixing and Flame Structure Measurements for Advance Low Emission Gas Turbine Combustors

Download or read book Fuel Air Mixing and Flame Structure Measurements for Advance Low Emission Gas Turbine Combustors written by and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A gas turbine combustion facility with optical access was developed which allows the use of laser diagnostic techniques to measure temperature and species concentrations within the combustion zone. The mixing effectiveness of a dual annular counter-rotating swirler premixer was examined using planar laser induced fluorescence (PLIF) of acetone seeded gaseous fuel to provide quantitative maps of the spatial and temporal fuel/air distributions emanating from the premixer. Time averaged results showed maximum spatial variations on the order of 50% of the known overall equivalence ratio. Temporal unmixedness resulted in peak equivalence ratios 2.4 times greater than the overall stoichiometry.

Book Fuel Air Mixing and Flame Structure Measurements for Advanced  Low Emission Gas Turbine Combustors

Download or read book Fuel Air Mixing and Flame Structure Measurements for Advanced Low Emission Gas Turbine Combustors written by and published by . This book was released on 2001 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A study of the fuel/air mixing and combustion processes downstream of a dual-annular counter-rotating swirler premixer was conducted. A brief description of the facility and results from planar laser-induced fluorescence (PLIF) OH experiments and emission measurements are included in this report. OH images show a fluctuating flame dominated by large-scale structures. The flame is anchored at the edge of the premixing duct exit in the region shown in previous mixing studies to possess fuel concentrations well above the overall equivalence ratio. The area near the center of the exit of the premixer duct is almost completely devoid of reaction. Emissions measurements of NOx, CO, and UHC were also performed. NOx emissions decrease approximately 60% as equivalence ratio is decreased from 0.7 to 0.6, attributable to decreased combustion temperatures. Though combustion temperatures increase slightly for higher pressure drop conditions, NOx emissions remain constant, likely due to decreased residence times and improved mixing for the higher pressure drops. CO emissions increase with both equivalence ratio and pressure drop. In addition to OH imaging and emission measurements, coherent anti-Stokes Raman scattering measurements have been used to quantify combustion temperature fluctuations.

Book Determination of Primary zone Smoke Concentrations from Spectral Radiance Measurements in Gas Turbine Combustors

Download or read book Determination of Primary zone Smoke Concentrations from Spectral Radiance Measurements in Gas Turbine Combustors written by Carl T. Norgren and published by . This book was released on 1971 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: The smoke concentration within the primary zone of an experimental combustor operating at pressures up to 20 atmospheres was determined with a technique using spectral radiance measurements. Exhaust smoke concentration was obtained from reflectance readings of stained filter paper. The primary zone smoke concentration was of the order of 100 to 1000 times greater than at the exhaust. The smoke oxidation rate obtained is compared with reported values for coal particles and seeded laboratory flames. Primary zone smoke concentration was shown to be related to exhaust smoke number and total radiance.

Book Combustion Measurements

Download or read book Combustion Measurements written by Norman Chigier and published by CRC Press. This book was released on 1991-04-01 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book begins with an introduction to the general problems of making measurements in high temperature and a presentation of chemically reacting flow systems. It describes each instrument with the various diagnostic techniques and discusses measurements that have been made in furnaces, flames, and rocket engines. The detailed measurement techniques described in this book cover a wide spectrum of applications in combustion systems, including gas turbine, rocket measurement techniques that were developed in laboratories. Information obtained on detailed temperature, velocity, particle size, and gas concentration distribution is leading to improve understanding of the chemical combustion process and to design imporvements in combustors.

Book Previews of Heat and Mass Transfer

Download or read book Previews of Heat and Mass Transfer written by and published by . This book was released on 1997 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book ASME 70 GT 19

    Book Details:
  • Author : W. E. Hill
  • Publisher :
  • Release : 1970
  • ISBN :
  • Pages : 5 pages

Download or read book ASME 70 GT 19 written by W. E. Hill and published by . This book was released on 1970 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Dissertation Abstracts International

Download or read book Dissertation Abstracts International written by and published by . This book was released on 1996 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book An Investigation of Gas Turbine Combustors with High Inlet Air Temperatures  Part 3  Experimental Developments

Download or read book An Investigation of Gas Turbine Combustors with High Inlet Air Temperatures Part 3 Experimental Developments written by Richard D. Anderson and published by . This book was released on 1971 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: Current gas turbine combustor design philosophy must reflect consideration of both emission control and high inlet air temperature effects on flame stability, combustor performance, and flame tube life. An experimental facility has been designed for the detailed, systematic study of gas turbine combustion as a function of realistic inlet parameters. In an attempt to provide fundamental gas turbine measurements are described. In addition to a detailed description of the experimental facility, internal gas temperature and gas sampling probing techniques, facility instrumentation, and future engine parameter settings are discussed.

Book Combustings Flow Diagnostics

    Book Details:
  • Author : D.F.G. Durão
  • Publisher : Springer Science & Business Media
  • Release : 2012-12-06
  • ISBN : 9401125880
  • Pages : 566 pages

Download or read book Combustings Flow Diagnostics written by D.F.G. Durão and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book consists of papers prepared for and presented at a NATO sponsored Advanced Study Institute which was held in Montechoro, Portugal during the period 16-27 April, 1990. This Institute was attended by approximately ninety delegates from fifteen countries and followed from a related Institute held in Vimeiro, Portugal in 1987 (see the book entitled "Instrumentation for Combustion and Flow in Engines", edited by D. F. G. Dur~o, J. H. Whitelaw and P. O. Witzel. The purposes of the first Institute related closely to instrumentation for use in gas-turbine combustors and the cylinders of internal-combustion engines. These topics were also addressed in the second Institute, though in a manner which was wider ranging and chosen to demonstrate and explain the development and application of measurement methods to combusting flows in general. The papers contained in this boo~ were selected to provide the reader with a comprehensive and up-to-date view of the variety of experimental techniques available to measure in combusting flows. Included are discussions of their range and applicability, potential accuracy and ease of use. Thus, the first paper provides a brief overview and the second an indication of those aspects of combustion which should influence the choice of flow property to be measured and the technique to be used.