Download or read book Rheological Properties Essential for the Atomization of Coal Water Slurries CWS Quarterly Progress Report December 15 1993 March 15 1994 written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Rheological Properties Essential for the Atomization of Coal Water Slurries CWS Quarterly Progress Report December 15 1994 March 15 1995 written by and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Rheological Properties Essential for the Atomization of Coal Water Slurries CWS Quarterly Progress Report December 15 1992 March 15 1993 written by and published by . This book was released on 1993 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall objective of this project is to perform experiments to understand the effect of high shear and extensional properties on the atomization of coal-water slurries (CWS). In the atomization studies, the mean drop size of the CWS sprays will be determined at various air-to CWS. A correlation between the extensional and high shear properties, particle size distributions and the atomization will be made in order to determine the influence of these parameters on the atomization of CWS. During this past quarter, an attempt was made to establish a theoretical relationship between the sauter mean diameter, (SMD), theAir/Fuel ratio and the viscosity. Also the effect of polymeric additives on the rheology of glycerol was studied.
Download or read book Rheological Properties Essential for the Atomization of Coal Water Slurries CWS Quarterly Progress Report September 15 1994 December 15 1994 written by and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Radial Velocities of Twenty Stars of Early Type in and Near the Galactic Cluster NGC 6231 written by Otto Struve and published by . This book was released on 1944 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Rheological Properties Essential for the Atomization of Coal Water Slurries CWS Quarterly Progress Report March 15 June 15 1994 written by and published by . This book was released on 1994 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall objective of this project is to perform experiments to understand the effect of high shear and extensional properties on the atomization of coal-water slurries (CWS). In the atomization studies, the mean drop size of the CWS sprays will be determined at various air-to CWS. A correlation between the extensional and high shear properties, particle size distributions and the atomization will be made in order to determine the influence of these parameters on the atomization of CWS. A CV20 attachment to a Haake RV20 viscometer and a PQ45 sensor were received during this past quarter. This was followed by several hours of calibration of the sensors using a non-elastic fluid. Also, a literature review was made in order to further understand dynamic oscillatory shear flow.
Download or read book Rheological Properties Essential for the Atomization of Coal Water Slurries CWS Quarterly Progress Report March 15 June 15 1993 written by and published by . This book was released on 1993 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall objective of this project is to perform experiments to understand the effect of high shear and extensional properties on the atomization of coal-water slurries (CWS). In the atomization studies, the mean drop size of the CWS sprays will be determined at various air-to CWS. A correlation between the extensional and high shear properties, particle size distributions and the atomization will be made in order to determine the influence of these parameters on the atomization of CWS. A theoretical relationship between the sauter mean diameter, (SMD), the Air/Fuel ratio and the viscosity was derived during the previous quarter. The established relationship was modified to account for the high shear viscosity data.
Download or read book Rheological Properties Essential for the Atomization of Coal Water Slurries CWS Quarterly Progress Report September 15 1991 December 15 1991 written by and published by . This book was released on 1991 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall objective of this project is to perform experiments to understand the effect of high shear and extensional properties on the atomization of coal-water slurries (CWS). In the atomization studies, the mean drop size of the CWS sprays will be determined at various air-to CWS. A correlation between the extensional and high shear properties, particle size distributions and the atomization will be made in order to determine the influence of these parameters on the atomization of CWS.
Download or read book Rheological Properties Essential for the Atomization of Coal Water Slurries CWS Quarterly Progress Report March 15 1992 June 15 1992 written by and published by . This book was released on 1992 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall objective of this project is to perform experiments to understand the effect of high shear and extensional properties on the atomization of coal-water slurries (CWS). Several CWS were prepared and their low shear rheological properties (i.e. rheology as a function of concentration, constant shear and, additive type, stability and slip effect) performed. The stability was determined using a settling column to study the shift in mass of the CWS as a function of time. Low shear testing of the slurries were used to determine the effect of yield stress on the concentration of the slurries.
Download or read book Rheological Properties Essential for the Atomization of Coal Water Slurries CWS Quarterly Progress Report March 15 1995 June 15 1995 written by and published by . This book was released on 1995 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: The analysis of pipeline transportation of highly concentrated suspensions such as coal-water slurries, can exhibit several flow characteristics depending on the concentration and the physical parameters of the dispersed phase. Experiments were conducted for coal-water slurries flows in a series of horizontal capillary tubes of diameters 0.8, 1.5 and 3.0 mm and 100 mm in length, in order to investigate the effect of concentration, pressure drop, and the transitional Reynolds number from laminar to turbulent flow in a homogeneous slurry. The solid concentration was varied from 15% to 63% in 0.1% xanthum gum solution. Pressure drop and the volume flow measurement were made using HVA-6 Capillary viscometer. The Reynolds numbers obtained were found to be dependent on the slurry concentration and the viscosity of the slurry mixture, but independent of the capillary diameter.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1994 with total page 806 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiannual, with semiannual and annual indexes. References to all scientific and technical literature coming from DOE, its laboratories, energy centers, and contractors. Includes all works deriving from DOE, other related government-sponsored information, and foreign nonnuclear information. Arranged under 39 categories, e.g., Biomedical sciences, basic studies; Biomedical sciences, applied studies; Health and safety; and Fusion energy. Entry gives bibliographical information and abstract. Corporate, author, subject, report number indexes.
Download or read book Rheological Properties Essential for the Atomization of Coal Water Slurries CWS Quarterly Progress Report September 15 1992 December 15 1992 written by and published by . This book was released on 1992 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the previous quarter, it was noted that understanding the rheology of polymeric additives used in enhancing the stability of the CWS was essential in meeting the project objectives. Thus, further review of the literature was carried out to gain information on the rheology of polymeric additives, particularly at high shear rates. Philippoff and Hess [1] reported the existence of four distinct flow regions in the behavior of flow curve analysis of polymer solutions (Figure 1). These regions are characterized by (1) A Newtonian Region; (2) A non-Newtonian pseudoplastic region; (3) A second Newtonian region at high shear rates 105 to 106 sec−1; (4) and a region of steepening slope identified as the onset of turbulence. Efforts during this past quarter were therefore directed towards the study of high shear rheology of the CWS.
Download or read book Rheological Properties Essential for the Atomization of Coal Water Slurries Quarterly Progress Report September 15 December 15 1993 written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Rhelogical Properties Essential for the Atomization of Coal Water Slurries CWS Quarterly Progress Report June 15 1992 September 15 1992 written by and published by . This book was released on 1992 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall objective of this project is to perform experiments to understand the effect of high shear and extensional properties on the atomization of coal-water slurries (CWS). In the atomization studies, the mean drop size of the CWS sprays will be determined at various air-to CWS. A correlation between the extensional and high shear properties, particle size distributions and the atomization will be made in order to determine the influence of these parameters on the atomization of CWS. During the past quarter, several experimental studies on pressure dependent atomization of Coal-water slurries and simulated fluids were performed. Also surface tension, elastic, high and low shear viscosities were performed. These tests were performed to initiate the understanding of the fundamental parameters that govern the atomization process of CWS.
Download or read book Government Reports Annual Index written by and published by . This book was released on 1994 with total page 1688 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Government Reports Announcements Index written by and published by . This book was released on 1996 with total page 800 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Rheological Properties Essential for the Atomization of Coal Water Slurries CWS written by and published by . This book was released on 1992 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the previous quarter, it was noted that understanding the rheology of polymeric additives used in enhancing the stability of the CWS was essential in meeting the project objectives. Thus, further review of the literature was carried out to gain information on the rheology of polymeric additives, particularly at high shear rates. Philippoff and Hess [1] reported the existence of four distinct flow regions in the behavior of flow curve analysis of polymer solutions (Figure 1). These regions are characterized by (1) A Newtonian Region; (2) A non-Newtonian pseudoplastic region; (3) A second Newtonian region at high shear rates 10[sup 5] to 10[sup 6] sec[sup [minus]1]; (4) and a region of steepening slope identified as the onset of turbulence. Efforts during this past quarter were therefore directed towards the study of high shear rheology of the CWS.
