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Author : Miroslav Gregorič
Publisher :
ISBN 13 :
Total Pages : 66 pages
Book Rating : 4.:/5 (439 download)
Download or read book Experimental investigation of merging buoyant jets in a crossflow written by Miroslav Gregorič and published by . This book was released on 1978 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : L. D. Kannberg
Publisher :
ISBN 13 :
Total Pages : 272 pages
Book Rating : 4.3/5 (91 download)
Download or read book An Experimental/analytical Investigation of Deep Submerged Multiple Buoyant Jets written by L. D. Kannberg and published by . This book was released on 1976 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book An Experimental Study of Single and Multiple Turbulent Buoyant Jets in Crossflow written by and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hiroyuki Haniu
Publisher :
ISBN 13 :
Total Pages : 232 pages
Book Rating : 4.:/5 (88 download)
Download or read book An Experimental Study of Two-dimensional Buoyant Jets in Cross-flow written by Hiroyuki Haniu and published by . This book was released on 1979 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Entsung Hsiao
Publisher :
ISBN 13 :
Total Pages : 350 pages
Book Rating : 4.:/5 (277 download)
Download or read book An Experimental/analytical Investigation of Buoyant Jets in Shallow Water written by Entsung Hsiao and published by . This book was released on 1990 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents the results of an experimental and analytical study of single-port buoyant turbulent jets discharged into shallow water. The experimental results include the measured downstream dilution, centerline concentration and trajectory. Independent parameters considered were Froude number, submerged depth, discharge angle and velocity ratio. Results indicate that decreasing the discharge depth provides earlier occurrence of surface effect and greatly decreases dilution. Dilution increases with decreasing Froude number. Increasing the discharge angle from the horizontal into cross current increases the dilution ratio. The effect of ambient current on dilution depends on the angle of discharge. For cross-flow discharges, the dilution rate decreases with increasing ambient current, while for co-flow discharge the reverse trend was observed. As plumes reach the water surface, the dilution rate increases with increasing ambient velocity. The jets bend over rapidly for cross-flow discharges when large ambient currents are present. The analytical portion of this report presents an integral method proposed by Davis (1975) for merging multiple buoyant jets. This merging model was used to simulate the single-port buoyant jet in shallow water. This was done by using an image method where the submerged depth was simulated by the spacing between images. The entrainment function as presented by Kannberg and Davis (1978) was used except for a modification within the zone of merged plumes. Comparisons of the model prediction were made with experimental data. Results indicate that good predictions are obtained for buoyant jets discharging at 0 and 45 degrees into shallow water by using the image method as long as the Froude number is above 13.5. For lower Froude number and vertical discharges, model predictions are only fair.
Author : Jerry Lee Anderson
Publisher :
ISBN 13 :
Total Pages : 246 pages
Book Rating : 4.F/5 ( download)
Download or read book Negatively Buoyant Jets in a Cross Flow written by Jerry Lee Anderson and published by . This book was released on 1973 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Negatively buoyant jets, or sinking jets, can be observed in many problems of pollutant discharge. Any chemical waste that is heavier than the receiving water into which it is discharged may act as a negatively buoyant jet. In addition, when water is taken from the hypolimnion of a deep lake or reservoir and used as cooling water, the temperature, and consequently, the discharge may behave like a negatively buoyant jet. Two existing jet diffusion models have been utilized to predict the trajectory and dilution of a positively buoyant jet, or a rising jet, and have been modified to account for the sinking effect. Twenty-four experimental investigations were conducted involving different combinations of densimetric Froude number, velocity ratios, and initial angle of discharge. Salt was used as the tracer, yielding a fluid that was denser than the ambient receiving water and facilitated measuring concentration profiles of the jet plume. The coefficient of entrainment, the major mechanism of dilution, was determined as a function of the densimetric Froude number, velocity ratio, and initial angle of discharge. The reducted drag coefficient was chosen as zero for both models since any other value would predict a trajectory whose rise would be less than experimentally observed. For all angles of discharge the entrainment coefficient increased with a decrease in the velocity ratio and with an increase in densimetric Froude number. Additionally, there was a marked decrease in the entrainmnet coefficient with a decrease in the initial angle of discharge."--Page ii.
Author : Chun-Yen Li
Publisher :
ISBN 13 :
Total Pages : 490 pages
Book Rating : 4.E/5 ( download)
Download or read book Experiments and Analysis of Merging Diffuser Plumes in Crossflow written by Chun-Yen Li and published by . This book was released on 1997 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : W. H. Shafer
Publisher : Springer Science & Business Media
ISBN 13 : 1475757859
Total Pages : 307 pages
Book Rating : 4.4/5 (757 download)
Download or read book Masters Theses in the Pure and Applied Sciences written by W. H. Shafer and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and dis seminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the ac tivity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all concerned if the printing and distribution of the volume were handled by an international publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Corporation of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 24 (thesis year 1979) a total of 10,033 theses titles from 26 Canadian and 215 United States universities. We are sure that this broader base for theses titles reported will greatly enhance the value of this important annual reference work. While Volume 24 reports these submitted in 1979, on occasion, certain universities do report theses submitted in previous years but not reported at the time.
Author :
Publisher :
ISBN 13 :
Total Pages : 340 pages
Book Rating : 4.:/5 (933 download)
Download or read book An Experimental Investigation of a Turbulent Jet in a Cross Flow written by and published by . This book was released on 1974 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David Charles Thoman (Jr)
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (774 download)
Download or read book The Entrainment and Mixing of a Round Buoyant Turbulent Jet in Cross-flow written by David Charles Thoman (Jr) and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis summaries the results of an experimental investigation of the near-field behavior and physics of the round buoyant turbulent jet in crossflow. In particular, the study centers on the physics associated with entrainment and mixing phenomena of the jet with the goal of better understanding the trends of trajectory and dilution behavior. The experiments involved a downward discharge of cold nitrogen gas (at about $-$85$spcirc$C) from a cylindrical structure placed in a wind tunnel of horizontally flowing ambient air. The jet was mapped using thermocouple measurements. For the purpose of studying jet/crossflow and jet/wake interactions, fog-oil smoke was used to mark parcels of fluid in the crossflow upstream of the jet and in the wake flow downstream of the discharge structure. Time-averaged, smoke concentrations were gathered through an aspirated sampling probe in conjunction with a calibrated, optical aerosol monitor. Smoke distributions were also photographed. Experiments were performed for four different values for the crossflow-to-exit velocity ratio k, namely, k = 0.7, 1.3, 2.1, and 3.5. The results of the experiments yield a comprehensive picture of the near-field flow patterns, flow interactions, and flow-transport physics for a buoyant jet in crossflow. Key, phenomenologically distinct zones of flow which comprise the near-exit structure of the jet are identified. The flow patterns within these zones, and thus the structure of the near-exit jet, are found to be extremely dependent on the value of the velocity ratio. Flow interactions in this region establish flow patterns which have a pronounced influence on the downstream development of the jet. A method is developed to fully document the trajectory and dilution behavior of the jet with the key parameters of influence. Trajectory and dilution are found to correlate with two parameters, namely, the velocity ratio and the density-difference ratio. Finally, unsteady, large-scale mixing motions within the near-exit flow zones are documented. Distinct modes of large-scale mixing which are responsible for the rapid and extensive dispersion observed in the jet are revealed by this study.
Author : L. D. Kannberg
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (368 download)
Download or read book An Experimental/analytical Investigation of Deep Submerged Multiple Buoyant Jets written by L. D. Kannberg and published by . This book was released on 1976 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The results of an experimental and analytical study of deep submerged multiple-port thermal discharges are presented. The experimental results include the measured downstream thermal dilution, width, and centerline trajectory of the buoyant thermal plume from multiport jets. Independent parameters for which measurements were obtained include port spacing, discharge Froude Number, discharge angle, and discharge to ambient velocity ratio. Results indicate that decreasing port spacing greatly decreases thermal dilution. Changing port spacing will also affect trajectory to a small extent while only slightly changing plume width. Altering the Froude Number appears to have little effect on downstream dilution, width, or trajectory when an ambient current is present. By increasing discharge angle from the horizontal, greater initial dilution may be obtained as well as greater widths and higher trajectories. The effect of ambient current on dilution depends on the angle of discharge. For crossflow discharges the thermal dilution at any point downstream decreased with increasing ambient current, while for co-flow the reverse was observed. The jets were bent over rapidly for crossflow discharges particularly when large ambient currents were present. The analytical portion of this report employs the lumped differential model of Hirst as modified for merging multiple jets by Davis. The essential features of the analysis are: 1) the gradual transition of the profiles from simple axisymmetric profiles to merging profiles and finally to fully merged, pseudoslot, two-dimensional profiles, and 2) an entrainment based on the available entrainment surface. Results indicate that the overprediction of plume characteristics associated with "transition" or "equivalent slot" models may be overcome using such an analysis and that suitable prediction may be obtained
Author : María Margarita Méndez-Díaz
Publisher :
ISBN 13 :
Total Pages : 414 pages
Book Rating : 4.E/5 ( download)
Download or read book Experimental Investigation on Unidirectional Multiport Diffuser Discharges in Coflowing Deep Water written by María Margarita Méndez-Díaz and published by . This book was released on 1992 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : JEAN. ANDREOPOULOS
Publisher :
ISBN 13 :
Total Pages : 72 pages
Book Rating : 4.:/5 (965 download)
Download or read book EXPERIMENTAL INVESTIGATION OF JETS IN A CROSS FLOW. written by JEAN. ANDREOPOULOS and published by . This book was released on 1982 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Chi-wai Cheng
Publisher :
ISBN 13 :
Total Pages : 236 pages
Book Rating : 4.:/5 (153 download)
Download or read book An Experimental Investigation of the Effects of Diffuser Width Upon Horizontally Discharged Merging Buoyant Flows in a Non-turbulent Coflowing Ambient Fluid written by Chi-wai Cheng and published by . This book was released on 1989 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jannis Andreopoulos
Publisher :
ISBN 13 :
Total Pages : 78 pages
Book Rating : 4.:/5 (746 download)
Download or read book Experimental investigation of jets in a cross flow written by Jannis Andreopoulos and published by . This book was released on 1982 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. Rahim A. Munshi
Publisher :
ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.:/5 (748 download)
Download or read book Experimental Investigation of a Buoyant Jet written by A. Rahim A. Munshi and published by . This book was released on 1981 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Horacio A. Altagracia Castillo
Publisher :
ISBN 13 :
Total Pages : 340 pages
Book Rating : 4.:/5 (55 download)
Download or read book Experimental Investigation of Saturated Turbulent Buoyant Jets written by Horacio A. Altagracia Castillo and published by . This book was released on 2001 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
