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Mechanisms And Optimization Of Coal Combustion Quarterly Progress Report
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Book Synopsis Mechanisms and Optimization of Coal Combustion. Quarterly Progress Report by :
Download or read book Mechanisms and Optimization of Coal Combustion. Quarterly Progress Report written by and published by . This book was released on 1997 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the past quarter, protocols for pyrolysis and combustion experiments were developed. The performance of the new control algorithms was evaluated, particularly for the rapid pyrolysis experiments where heating rates ranging from 100 to 1,000 C/s were achieved. Finally, a new digital image analysis procedure was developed to detect and quantify thermal ignitions of burning coal or char particles.
Book Synopsis Coal Combustion Science Quarterly Progress Report by :
Download or read book Coal Combustion Science Quarterly Progress Report written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis MECHANISMS AND OPTIMIZATION OF COAL COMBUSTION. by :
Download or read book MECHANISMS AND OPTIMIZATION OF COAL COMBUSTION. written by and published by . This book was released on 2000 with total page 139 pages. Available in PDF, EPUB and Kindle. Book excerpt: The completed research project has made some significant contributions that will help us meet the challenges outlined in the previous section. One of the major novelties of our experimental approach involves the application of video microscopy and digital image analysis to study important transient phenomena (like particle swelling and ignitions) occurring during coal pyrolysis and combustion. Image analysis was also used to analyze the macropore structure of chars, a dominant factor in determining char reactivity and ignition behavior at high temperatures where all the commercial processes operate. By combining advanced experimental techniques with mathematical modeling, we were able to achieve the main objectives of our project. More specifically: (1) We accurately quantified the effect of several important process conditions (like pyrolysis heating rate, particle size, heat treatment temperature and soak time) on the combustion behavior of chars. These measurements shed new light into the fundamental mechanisms of important transient processes like particle swelling and ignitions. (2) We developed and tested theoretical models that can predict the ignition behavior of char particles and their burn-off times at high temperatures where intraparticle diffusional limitations are very important.
Book Synopsis Mechanisms and Optimization of Coal Combustion. Semiannual Report, November 1, 1998--April 30, 1999 by :
Download or read book Mechanisms and Optimization of Coal Combustion. Semiannual Report, November 1, 1998--April 30, 1999 written by and published by . This book was released on 1999 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of process conditions on the reactivity of Illinois No. 6 coal in the kinetic and diffusion control regime were studied using new sequential combustion procedures. Reactivity patterns in the kinetic controlled regime were not influenced by the pyrolysis heating rates. Results presented in the previous DOE report have shown, however, that combustion rates were significantly affected by the pyrolysis heating rates at reaction temperatures higher than 550 C. These results establish the importance of the macropore structure of chars in determining their combustion rates under conditions leading to significant intraparticle diffusional limitations.
Book Synopsis The Crystal Palace: a Complete ... Guide to the Visitor ... by :
Download or read book The Crystal Palace: a Complete ... Guide to the Visitor ... written by and published by . This book was released on with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Coal Power & Combustion by : United States. Office of Fossil Energy
Download or read book Coal Power & Combustion written by United States. Office of Fossil Energy and published by . This book was released on with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fossil Energy Update written by and published by . This book was released on 1976 with total page 806 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1995 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration and published by . This book was released on 1977 with total page 818 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Coal Power & Combustion written by and published by . This book was released on 1975 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book ERDA Research Abstracts written by and published by . This book was released on 1975 with total page 756 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1983 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Book Synopsis Coal Combustion Science. Quarterly Progress Report, Ocotber-December 1994 by :
Download or read book Coal Combustion Science. Quarterly Progress Report, Ocotber-December 1994 written by and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1983 with total page 1362 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.
Book Synopsis Energy: a Continuing Bibliography with Indexes by :
Download or read book Energy: a Continuing Bibliography with Indexes written by and published by . This book was released on 1983 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy written by and published by . This book was released on 1981 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Coal Combustion Science Quarterly Progress Report, January--March 1993. Task 1, Coal Char Combustion by :
Download or read book Coal Combustion Science Quarterly Progress Report, January--March 1993. Task 1, Coal Char Combustion written by and published by . This book was released on 1994 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this work is to obtain insights into the mechanisms of combustion, fragmentation, and final burnout, and to use the insights to aid in the interpretation of the quantitative data generated in Subtasks 1 and 2. The initial image sequences for Illinois No. 6 coal confirm the presence of an early near-extinction process (discussed in previous reports) and the asymptotic nature of the carbon burnout process. The technique also provided important new insights into the processes of particle fragmentation and reagglomeration at high burnout. During this quarter, chemical fractionation tests on coals pulverized to different sizes were completed. These data will help us to asses the accuracy of the fuels characterizations for the purpose of interpreting inorganic release during coal devolatilization. Chemical fractionation tests on mineral species are proceeding for the same purposes, but these are not yet completed.
