An Experimental Investigation Of Acoustic Cavitation As A Fragmentation Mechanism Of Molten Tin Droplets In Water
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An Experimental Investigation Of Acoustic Cavitation As A Fragmentation Mechanism Of Molten Tin Droplets In Water
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Author : Trond Arnold Bjørnard
language : en
Publisher:
Release Date : 1974
An Experimental Investigation Of Acoustic Cavitation As A Fragmentation Mechanism Of Molten Tin Droplets In Water written by Trond Arnold Bjørnard and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Explosions categories.
A series of experiments were performed where single molten tin droplets of known size, shape and temperature were dropped from a low height into a pool of distilled water. The pressure waves emanating from the hot droplets were recorded by a transducer in the coolant for varying initial droplet and pool temperatures. The results obtained show well defined patterns of pressure frequency and magnitude behavior. Application of the results to the acoustic cavitation theory of fragmentation shows that the pressure excursions within the molten tin are considerably less severe than was predicted. The likelihood that acoustic cavitation caused the observed fragmentation is therefore considerably diminished. Further, the results strongly suggest that spontaneous nucleation of the coolant did not cause the observed fragmentation, while it appears that another mechanism linked to the observed dwell time behavior was responsible. Further theoretical and experimental work is required to establish the nature of this mechanism.
Acoustic Cavitation As A Mechanism Of Fragmentation Of Hot Molten Droplets In Cool Liquids
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Author : Mujid S. Kazimi
language : en
Publisher:
Release Date : 1976
Acoustic Cavitation As A Mechanism Of Fragmentation Of Hot Molten Droplets In Cool Liquids written by Mujid S. Kazimi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Cavitation categories.
Experimental And Theoretical Investigation Of Cavitation In Water
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Author : J. Ackeret
language : en
Publisher:
Release Date : 1936
Experimental And Theoretical Investigation Of Cavitation In Water written by J. Ackeret and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1936 with Cavitation categories.
Acoustic Cavitation As A Mechanism Of Fragmentation Of Hot Molten Droplets In In Cool Liquids Lmfbr
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Author :
language : en
Publisher:
Release Date : 1976
Acoustic Cavitation As A Mechanism Of Fragmentation Of Hot Molten Droplets In In Cool Liquids Lmfbr written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with categories.
A mechanism that explains several of the observations of fragmentation of hot molten drops in coolants is presented. The mechanism relates the fragmentation to the development of acoustic cavitation and subsequent bubble growth within the molten material. The cavitation is assumed due to the severe pressure excursions calculated within the hot material as a result of the pressure pulses accompanying coolant vaporization at the sphere surface. The growth of the cavitation vapor nuclei inside the hot drop is shown to be influenced by the subsequent long duration surface pressure pulses. The variation of the amplitude of these surface pulses with experimental variables is shown to exhibit the same trends with these variables as does the variation in extent of fragmentation.
Masters Theses In The Pure And Applied Sciences
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Author : Wade H. Shafer
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-11-21
Masters Theses In The Pure And Applied Sciences written by Wade H. Shafer and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-21 with Science categories.
Masters Theses in the Pure and Applied Sciences was first conceived, published, and dis seminated by the Center for lnformation and Numerica/ Data Analysis and Synthesis (C/NDAS) * 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 beneficia! to the academic and general scientific and technical community. After fi ve years of this joint undertaking we had concluded that it was in the interest of ali 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 App/ied 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. Ali back issues can also be ordered from Plenum. We have reported in Volume 21 (thesis year 1976) a total of 10,586 theses titles from 25 Canadian and 219 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.
Acoustic Cavitation And Bubble Dynamics
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Author : Kyuichi Yasui
language : en
Publisher: Springer
Release Date : 2017-10-26
Acoustic Cavitation And Bubble Dynamics written by Kyuichi Yasui and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-10-26 with Science categories.
This brief explains in detail fundamental concepts in acoustic cavitation and bubble dynamics, and describes derivations of the fundamental equations of bubble dynamics in order to support those readers just beginning research in this field. Further, it provides an in-depth understanding of the physical basis of the phenomena. With regard to sonochemistry, the brief presents the results of numerical simulations of chemical reactions inside a bubble under ultrasound, especially for a single-bubble system and including unsolved problems. Written so as to be accessible both with and without prior knowledge of fundamental fluid dynamics, the brief offers a valuable resource for students and researchers alike, especially those who are unfamiliar with this field. A grasp of fundamental undergraduate mathematics such as partial derivative and fundamental integration is advantageous; however, even without any background in mathematics, readers can skip the equations and still understand the fundamental physics of the phenomena using the book’s wealth of illustrations and figures. As such, it is also suitable as an introduction to the field.
An Experimental Investigation Of Acoustic Cavitation In Gaseous Liquids
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Author : Dario Felipe Gaitan
language : en
Publisher:
Release Date : 1990
An Experimental Investigation Of Acoustic Cavitation In Gaseous Liquids written by Dario Felipe Gaitan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Liquefied gases categories.
High amplitude radial pulsations of a single bubble in several glycerine and water mixtures were observed in an acoustic stationary wave system at acoustic pressure amplitudes on the order of 150 kPa at 21-25 kHz. Sonoluminescence, a phenomenon generally attributed to the high temperatures generated during the collapse of cavitation bubbles, was observed as short light pulses occurring once every acoustic period. These emissions could be seen to originate at the geometric center of the bubble when observed through a microscope. It was observed that the light emissions occurred simultaneously with the bubble collapse. Using a laser scattering technique, experimental radius-time curves were obtained which confirmed the absence of surface waves which are expected at pressure amplitudes above 100 kPa. From these radius-time curves, measurements of the pulsation amplitude, the timing of the major bubble collapse, and the number of rebounds were made and compared with several theories. The implications of this research on the current understanding of cavitation were discussed.
Modeling And Numerical Investigation Of Acoustic Cavitation With Applications In Sonochemistry
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Author : Rashid Jamshidi
language : en
Publisher:
Release Date : 2013
Modeling And Numerical Investigation Of Acoustic Cavitation With Applications In Sonochemistry written by Rashid Jamshidi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
Nuclear Safety
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Author :
language : en
Publisher:
Release Date : 1991
Nuclear Safety written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Nuclear engineering categories.
An Investigation Of Acoustic Cavitation Produced By Pulsed Ultrasound
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Author : Robert L. Bruce (Jr)
language : en
Publisher:
Release Date : 1987
An Investigation Of Acoustic Cavitation Produced By Pulsed Ultrasound written by Robert L. Bruce (Jr) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with categories.