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Author : Brookhaven National Laboratory
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (123 download)
Download or read book Atomization Characteristics of Coal-water Mixtures written by Brookhaven National Laboratory and published by . This book was released on 1983 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Atomization Characteristics of Coal Slurries. First Quarterly Report, September 1-November 30, 1981 written by and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this study is to understand atomization of coal-water mixtures. The work is broken down into several tasks which will be accomplished over a period of two years. The tasks include: (1) selected review of solid-liquid mixture flow properties relevant to atomization and an update of slurry atomization review; (2) measurement of drop size characteristics of coal-water mixtures as a function of the key atomizer parameters for an air atomizer; (3) analysis and correlation of the data; and (4) preparation of a final report summarizing the results of the work. The work done in this period included: (1) modification of the atomizer test rig; (2) measurments using water; (3) measurements using a low coal concentration coal-water mixture; and (4) a continuing review of slurry atomization literature. Description of the work is provided in this report.
Author : Arthur Henry Lefebvre
Publisher :
ISBN 13 :
Total Pages : 153 pages
Book Rating : 4.:/5 (22 download)
Download or read book The Atomization Characteristics of Coal-water Slurry written by Arthur Henry Lefebvre and published by . This book was released on 1986 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Coal-water Slurry Atomization Characteristics written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Adel F. Sarofim
Publisher :
ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.:/5 (212 download)
Download or read book Fundamental Aspects of Coal-water Fuel Droplet Combustion and Secondary Atomization of Coal-water Mixtures written by Adel F. Sarofim and published by . This book was released on 1987 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Adel F. Sarofim
Publisher :
ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.:/5 (212 download)
Download or read book Fundamental Aspects of Coal-water Fuel Droplet Combustion and Secondary Atomization of Coal-water Mixtures written by Adel F. Sarofim and published by . This book was released on 1987 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : G. L. LEONARD
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)
Download or read book Combustion Characteristics of Coal/water Mixtures in a Simulated Medium-speed Diesel Engine Environment written by G. L. LEONARD and published by . This book was released on 1986 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Inadequate atomization a the reduced injection pressure and gas density led to the poor combustion at the simulated reduced power conditions.
Download or read book Development and Use of an Apparatus to Measure the Dynamic Surface Properties of Coal-water Slurry Fuels for Applications to Atomization Characteristics written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 886 pages
Book Rating : 4.:/5 (31 download)
Download or read book Fossil Energy Update written by and published by . This book was released on 1981 with total page 886 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.:/5 (873 download)
Download or read book Development and Use of an Apparatus to Measure the Dynamic Surface Properties of Coal-water Slurry Fuels for Applications to Atomization Characteristics. Final Report, September 1, 1992--December 31, 1993 written by and published by . This book was released on 1994 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experiments were conducted to measure the dynamic surface tension of coal-water slurry (CWS) mixtures containing various types of surfactants and with varied coal loadings. The dynamic properties will affect CWS fuel atomization, which constitutes highly dynamic processes. A maximum air bubble pressure technique measured the dynamic surface tension. The dynamic surface tension, which can be much higher than the corresponding static surface tension, was measured for the CWS made from the coal mined from the Upper Elkhorn seam in Virginia. The coal had 50 [mu]m volume mean diameter (VMD). Five surfactants were selected for the study: one nonionic Alkylphenol Ethoxylate (NP-100), and four anionic surfactants; Branched Dodecylbenzene Sulfonic Acid (DDBS-hard), Linear Dodecylbenzene Sulfonic Acid (DDBS-soft), a Sodium Salt of a Branched Alkylbenzene Sulfonic Acid (1223H), and a Sodium Salt of Sulfonated Fatty Acid (1840X). A du-Nouy ring tensiometer measured the static surface tension to determine the critical micelle concentration (CMC). Measured values of dynamic surface tension are presented for 40% and 50% CWS mixtures with surfactant concentrations ranging from 0.1% to 5.0% in weight. The experiment found that the critical micelle concentration (CMC) of CWS was considerably higher than an aqueous solution because of the absorption of surfactant by coal particles. In addition, the dynamic surface tension continuously decreased beyond the CMC because suspended coal particles retarded the surfactant migration. The CWS dynamic surface tension showed wide variations of up to a factor of two depending on the type of surfactant whilst all the selected surfactants exhibited a same range of static surface tension values. The dynamic surface tension increased with increasing coal loadings in CWS. The primary reason for this is believed to be because of the increased absorption and physical blockings of coal particles.
Author :
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (727 download)
Download or read book Development and Use of an Apparatus to Measure the Dynamic Surface Properties of Coal-water Slurry Fuels for Applications to Atomization Characteristics. Quarterly Technical Report, November 1, 1992--January 31, 1993 written by and published by . This book was released on 1993 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Texas A & M University (TAMU) has been awarded a DOE contract to study dynamic properties and atomization characteristics of coal-water slurry (CWS) fuels. Additives are essential for better mixing and stable suspension of coal powders and these additives change CWS properties. Dynamic properties will have major effects on CWS fuel atomization, which constitutes highly dynamic processes, and will determine the combustion as well as the pollutant formation behaviors. The dynamic surface tension of CWS fuels can be much higher than the corresponding static surface tension. Experimental study of correlating the atomization characteristics and dynamic properties of CWS fuels will be performed during the contract period. The research projects consists of five tasks. Task 1 selects appropriate additives and surfactants for CWS fuels by measuring the stabilizing characteristics and critical micelle concentrations (CMC). Task 2 implements the dynamic surface tensiometer operating based on the formation of maximum bubble pressure. Task 3 measures dynamic properties of CWS fuels as functions of bubble frequency while the fuel parameters are varied. The fuel parameters include coal loading, type of stabilizer and type of surfactant. Task 4 will devise a CWS fuel spray system and Task 5 will measure the spray droplet sizes using a laser diffraction technique.
Author :
Publisher :
ISBN 13 :
Total Pages : 782 pages
Book Rating : 4.3/5 (129 download)
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:
Download or read book Rheological Properties Essential for the Atomization of Coal Water written by and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : P. F. Sens
Publisher : Spon Press
ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.:/5 (44 download)
Download or read book Coal-water Mixtures written by P. F. Sens and published by Spon Press. This book was released on 1989 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. R. Romanosky (Jr.)
Publisher :
ISBN 13 :
Total Pages : 13 pages
Book Rating : 4.:/5 (113 download)
Download or read book Determinations of Coal Water Mixture Properties for Predictions of Products of Combustion Characteristics written by R. R. Romanosky (Jr.) and published by . This book was released on 1983 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sai-Man Yiu
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (271 download)
Download or read book The Atomisation of Coal-water Mixture for Combustion written by Sai-Man Yiu and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1282 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1982 with total page 1282 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.
