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Effects Of Hydrodynamic Parameters On Cavitation Erosion Intensity
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Book Synopsis Effects of Hydrodynamic Parameters on Cavitation Erosion Intensity by : A. Thiruvengadam
Download or read book Effects of Hydrodynamic Parameters on Cavitation Erosion Intensity written by A. Thiruvengadam and published by . This book was released on 1970 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: A rotating foil apparatus was developed and used to study the effect of exposure time, pressure, velocity and size of the foil on intensity of cavitation erosion. Earlier studies with a vibratory apparatus showed that the rate of erosion increases with exposure time, reaches a maximum value and then decreases. These observations are essentially confirmed for the case of erosion on an actual hydrofoil. The maximum rate of erosion is then correlated with the cavitation parameter for two sizes of NACA 16-021 hydrofoil (3 inches and 1 1/2 inches in chord length). The intensity of erosion increases with decreasing cavitation parameter, reaches a peak and then decreases with decreasing cavitation parameter at a given velocity. An approximate analysis was made to explain this result. According to this analysis, the intensity of erosion should vary as the cube of the velocity and should be independent of the size of the foil. However, the experimental results show that the intensity of erosion varies as the sixth power of the velocity and also depends on the size of the foil. An understanding of these two scale effects is essential for a successful model-prototype correlation. (Author).
Book Synopsis Cavitation and Impact Erosion by : Phillip Eisenberg
Download or read book Cavitation and Impact Erosion written by Phillip Eisenberg and published by . This book was released on 1969 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cavitation Erosion by : Johannes Gerhardus Auret
Download or read book Cavitation Erosion written by Johannes Gerhardus Auret and published by . This book was released on 1992 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cavitation Erosion in Fluid Systems by : Walter L. Swift
Download or read book Cavitation Erosion in Fluid Systems written by Walter L. Swift and published by . This book was released on 1981 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Experimental and Numerical Techniques for Cavitation Erosion Prediction by : Ki-Han Kim
Download or read book Advanced Experimental and Numerical Techniques for Cavitation Erosion Prediction written by Ki-Han Kim and published by Springer. This book was released on 2014-07-08 with total page 407 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive treatment of the cavitation erosion phenomenon and state-of-the-art research in the field. It is divided into two parts. Part 1 consists of seven chapters, offering a wide range of computational and experimental approaches to cavitation erosion. It includes a general introduction to cavitation and cavitation erosion a detailed description of facilities and measurement techniques commonly used in cavitation erosion studies, an extensive presentation of various stages of cavitation damage (including incubation and mass loss) and insights into the contribution of computational methods to the analysis of both fluid and material behavior. The proposed approach is based on a detailed description of impact loads generated by collapsing cavitation bubbles and a physical analysis of the material response to these loads. Part 2 is devoted to a selection of nine papers presented at the International Workshop on Advanced Experimental and Numerical Techniques for Cavitation Erosion Prediction (Grenoble, France, 1-2 March 2011) representing the forefront of research on cavitation erosion. Innovative numerical and experimental investigations illustrate the most advanced breakthroughs in cavitation erosion research.
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 1986 with total page 960 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 Experimental Studies to Establish Scaling Laws for Modeling Cavitation Damage Intensity by : R. E. Kohl
Download or read book Experimental Studies to Establish Scaling Laws for Modeling Cavitation Damage Intensity written by R. E. Kohl and published by . This book was released on 1968 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental facility called the 'rotating foil apparatus' was designed and built to study cavitation erosion in an actual but controllable hydrodynamic system. Test results from this apparatus have confirmed the time dependence of cavitation intensity and also indicated the relationship between erosion intensity (I sub e) and cavitation parameter (sigma) for an NACA 16-021 foil section at 181 ft/sec. A family of the I sub e versus sigma curves is sought for several velocities so that the true relation between I sub e and velocity can be established thus providing a clue of the pressure which causes the bubbles to collapse. Additional testing is planned to determine the relationship between Reynold's number (Re) and erosion intensity (I sub e) for several values of cavitation parameter (sigma). The ultimate objective is modeling cavitation erosion. (Author).
Book Synopsis Theory of Erosion by : A. Thiruvengadam
Download or read book Theory of Erosion written by A. Thiruvengadam and published by . This book was released on 1967 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt: An elementary theory of erosion is derived based on the assumptions of 'accumulation' and 'attenuation' of the energies of impact causing erosion. This theory quantitatively predicts the relative intensity of erosion as a function of relative time and this prediction is in fair agreement with experimental observations. Since the intensity of collision, the distance of shock transmission and the material failure are all statistical events, a generalization of the elementary theory is suggested. Some of the practical results of this theory are the predictions of the cumulative depth of erosion, the determination of erosion strength and the method of correlation with other parameters such as liquid properties and hydrodynamic factors. Modifications of this theory for brittle and viscoelastic materials are also suggested. (Author).
Download or read book Cavitation written by Yves Lecoffre and published by Routledge. This book was released on 2021-10-08 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text deals with the concept that cavitation is the main limitation to the performance of hydraulic components. Topics covered include the vaporization of liquids due to high velocities or pressure fluctuations, and the effects of cavitation on the performances of rotary machinery. One chapter is devoted to cavitation noise which concerns many users, including surface ships and submarines, and the author finishes with some examples of the use of cavitation and subject-specific measuring techniques.
Book Synopsis Handbook of Cavitation Erosion by : A. Thiruvengadam
Download or read book Handbook of Cavitation Erosion written by A. Thiruvengadam and published by . This book was released on 1974 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fundamentals of Cavitation by : Jean-Pierre Franc
Download or read book Fundamentals of Cavitation written by Jean-Pierre Franc and published by Springer Science & Business Media. This book was released on 2006-01-22 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book treats cavitation, which is a unique phenomenon in the field of hyd- dynamics, although it can occur in any hydraulic machinery such as pumps, propellers, artificial hearts, and so forth. Cavitation is generated not only in water, but also in any kind of fluid, such as liquid hydrogen. The generation of cavitation can cause severe damage in hydraulic machinery. Therefore, the prevention of cavitation is an important concern for designers of hydraulic machinery. On the contrary, there is great potential to utilize cavitation in various important applications, such as environmental protection. There have been several books published on cavitation, including one by the same authors. This book differs from those previous ones, in that it is both more physical and more theoretical. Any theoretical explanation of the cavitation phenomenon is rather difficult, but the authors have succeeded in explaining it very well, and a reader can follow the equations easily. It is an advantage in reading this book to have some understanding of the physics of cavitation. Therefore, this book is not an introductory text, but a book for more advanced study. However, this does not mean that this book is too difficult for a beginner, because it explains the cavitation phenomenon using many figures. Therefore, even a beginner on cavitation can read and can understand what cavitation is. If the student studies through this book (with patience), he or she can become an expert on the physics of cavitation.
Book Synopsis Cavitation and Liquid Impact by : University of Michigan. Engineering Summer Conferences
Download or read book Cavitation and Liquid Impact written by University of Michigan. Engineering Summer Conferences and published by . This book was released on 1976 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1973 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Erosion by Cavitation Or Impingement by :
Download or read book Erosion by Cavitation Or Impingement written by and published by . This book was released on 1967 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scaling Laws for Cavitation Erosion by : A. Thiruvengadam
Download or read book Scaling Laws for Cavitation Erosion written by A. Thiruvengadam and published by . This book was released on 1971 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the report, six scaling laws are derived and used to investigate the feasibility of modeling cavitation erosion. The velocity scale and size scale are studied with regard to six nondimensional ratios, namely. the erosion number, the relative nuclei size, the Weber number, the cavitation number, the cavitation inception number and the degree of cavitation. These scaling laws indicate that it is possible to model erosion in the laboratory and to predict the prototype performance. In addition, these scaling laws may be used to explain many currently available experimental observations.
Book Synopsis Bubble Noise and Cavitation Erosion in Fluid Systems 1993 by : American Society of Mechanical Engineers. Winter Annual Meeting
Download or read book Bubble Noise and Cavitation Erosion in Fluid Systems 1993 written by American Society of Mechanical Engineers. Winter Annual Meeting and published by . This book was released on 1993 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Energetics Parameter and Scale Effect in Cavitation Erosion by : K. K. Shalnev
Download or read book The Energetics Parameter and Scale Effect in Cavitation Erosion written by K. K. Shalnev and published by . This book was released on 1969 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: An energetics parameter of cavitation erosion is introduced for estimating the resistance of materials to erosion. By means of this parameter the power dependence of scale numbers for dimensions and velocities is explained. It is noted that an erosion of uniform intensity should be observed in small models at a faster rate than in large models. Conditions are established for predicting the volume of erosion from experiments with models. (Author).
