Download or read book Two phase flow Performance of a Centrifugal Pump in the Second Third and Fourth Quadrants written by Paul Louis Limburg and published by . This book was released on 1978 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book First Quadrant Performance Evaluation of a Centrifugal Pump in Two phase Flow written by Charles Courtney Snell and published by . This book was released on 1977 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Effects of Air water Two Phase Flow on the Performance of a Centrifugal Pump written by Karnig Ekizian and published by . This book was released on 1968 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study investigates the performance of a 1-inch long 4-vane open impeller centrifugal pump under two phase flow conditions. The paddle wheel pump, as branded by its manufacturer the Worthington Corporation, had a specific speed of 3400 (based on gallons per minute, feet of water and revolutions per minute) corresponding to a 7-inch impeller diameter. A 1/8-inch perforated steel pipe carried the compressed air to within four inches of the impeller eye where the air was injected into the water stream (See figures 18 and 20). The three variable inputs were, water flow rate, pump speed and air flow rate. The output parameters measured were discharge, suction pressure, and torque. While measuring the outing parameters, various combinations of the input variables were employed in order to find the maximum air-water volumetric ratio at which water flow stopped and the discharge head dropped to zero. At the pump speeds and air flow rates ranging from 1500 PPM to 3500 PPM and from 1.72 x 10−3 cubic feet/second to 2.65x10−3 cubic feet/second respectively, it was found that increasing the water flow rate from zero capacity to a certain limit resulted in an increase of the discharge head (See figure 1 to 5). This limiting capacity varied from 40 to 60 per cent of the pump's design capacity (35 GPM at 3500 RPM and 220 feet of water). A further increase of the water flow rate beyond the limiting capacity resulted in a quick drop of the discharge head. This characteristic behavior of the head-capacity curve was particularly noticeable at the higher air flow rates which ranged from 1.72x10−3 cubic feet/second to 2.65 x 10−3 cubic feet/second. It was also observed that at a given pump speed, increasing the volumetric air flow rate caused the head-capacity curve to peak at a lower discharge pressure. Finally, increasing the air content caused a shift in the efficiency curves such that peaked at a lower efficiency value as well as a lower flow capacity.
Download or read book Two phase Flow Centrifugal Pump Performance written by Eugene Andras Chisely and published by . This book was released on 1997 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Two phase Flow in Centrifugal Pumps During Fourth Quadrant Operation forward Flow reverse Rotation written by Charles Courtney Snell and published by . This book was released on 1976 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Solid liquid Two phase Flow in Centrifugal Pump written by Zuchao Zhu and published by Springer. This book was released on 2023-06-16 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book conducts a systematic study on internal flow characteristics and performance of centrifugal pump for solid–liquid mixed transportation. First, the applicability of the computational model for two-phase flow is analyzed. Then the relationship between the two-phase flow characteristics and wall wear in the pipeline is revealed. And the flow characteristics in centrifugal pumps are analyzed in relation to conveying performance and wall wear. Finally, the engineering application calculation of the mixed transportation pump with different impeller structures is carried out. The target audience of this book is researchers who perform calculations and engineering applications of solid–liquid two-phase pumps. This book considers the influence of the particle size on the force magnitude of the particles and analyzes the applicability of different solid–liquid two-phase calculation models. Considering the different motion trajectories of particles colliding with dry wall, wet wall, stationary wall, and moving wall, visual experiments are used to study the collision rebound model of different walls. The collision rebound model is applied to the numerical simulation of solid–liquid mixed transport.
Download or read book First Quadrant Two Phase Flow in Centrifugal Pumps written by Raymond David Zegley and published by . This book was released on 1977 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: A pump system was built and instrumented on which tests were performed yielding single- and two-phase actual pump characteristics for first-quadrant operation (forward flow and forward rotation) of two different centrifugal impellers mounted in a simple two-dimensional volute. Theoretical single- and two-phase pump characteristics were determined from the impeller geometry, the Euler equation, and the use of the two-phase flow function. The head-loss ratio, the loss of head in two-phase flow dividied by the loss of head in single-phase flow, was then plotted versus void fraction. The results were compared to an earlier theory proposed which predicted the head-loss ratio to be primarily a function of void fraction. These results indicate that the head-loss ratio is a function of flow coefficient as well as void fraction. Flow-visualization studies were also conducted and revealed that flow regime inside the blade passages can be different from either the inlet or outlet flow regimes, and greatly affects pump performance. Further experimentation, on a more efficient system employing higher-specific-speed impellers, is recommended to study more closely the effect of flow coefficient, flow regime and void fraction upon two-phase pump performance.
Download or read book Characteristics of Centrifugal Pumps During Single and Two phase Flow in the Fourth Quadrant written by Mohamad Ladjevardian and published by . This book was released on 1977 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Use of Centrifugal Pump Performance Information to Characterize a Two phase Flow written by C. Y. Paik and published by . This book was released on 1982 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book First quadrant Two phase Flow in a Vertical inlet Centrifugal Pump written by Alexander Perez Paran and published by . This book was released on 1983 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Investigation of Centrifugal Pump Performance Under Two phase Flow Conditions microform written by Gholamreza Noghrehkar and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 1992 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A study on performance of centrifugal pumps driven in two phase flow 2nd report prediction of pump head written by H. Fujie and published by . This book was released on 1985 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Thermal hydraulics of Nuclear Reactors written by Mati Merilo and published by . This book was released on 1983 with total page 830 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Application of Analytical Centrifugal pump Performance Models in Two phase Flow written by James Edward Korenchan and published by . This book was released on 1984 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Analytical models and experimental studies of centrifugal pump performance in two phase flow key phase report written by D. G. Wilson and published by . This book was released on 1977 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Analytical Models and Experimental Studies of Centrifugal Pump Performance in Two phase Flow written by Massachusetts Institute of Technology. Department of Mechanical Engineering and published by . This book was released on 1977 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Pumps and Blowers written by Alexey Joakim Stepanoff and published by . This book was released on 1978 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt:
