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Author: Kenrich Lewis Stuart Gunn
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
"Coalescence of raindrops and cloud droplets has been studied in collaboration with W. Hitschfeld, by allowing drops of 3 mm diameter to fall through a three metre column of cloud. The observed drop growth is expressed in terms of a collection efficiency, the fraction of the cloud water in the path of the drop, which is actually picked up. Collection efficiencies, using three clouds of different droplet-size distributions, are found to be in good agreement with aerodynamic collision efficiencies, calculated from a theory by Langmuir. His assumption that collision always leads to coalescence is thus confirmed." --
Author: Kenrich Lewis Stuart Gunn
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
"Coalescence of raindrops and cloud droplets has been studied in collaboration with W. Hitschfeld, by allowing drops of 3 mm diameter to fall through a three metre column of cloud. The observed drop growth is expressed in terms of a collection efficiency, the fraction of the cloud water in the path of the drop, which is actually picked up. Collection efficiencies, using three clouds of different droplet-size distributions, are found to be in good agreement with aerodynamic collision efficiencies, calculated from a theory by Langmuir. His assumption that collision always leads to coalescence is thus confirmed." --
Author: Air Force Human Resources Laboratory
Publisher:
ISBN:
Category : Aeronautics, Military
Languages : en
Pages : 676
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Author: Douglas Murray Whelpdale
Publisher:
ISBN:
Category : Fluid dynamics
Languages : en
Pages : 144
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Author: United States. Advisory Committee on Weather Control
Publisher:
ISBN:
Category : Weather control
Languages : en
Pages : 496
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Author:
Publisher:
ISBN:
Category : Engineering
Languages : en
Pages : 44
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Author: Kerry H. Cook
Publisher: Princeton University Press
ISBN: 0691231001
Category : Nature
Languages : en
Pages : 280
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Book Description
"A new edition of a textbook on climate dynamics, expanding the coverage and raising the level of the original to appeal to advanced undergraduates/early graduate students"--
Author: Zev Levin
Publisher:
ISBN:
Category :
Languages : en
Pages : 110
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Book Description
This report summarises results of the coalscence efficiency of colliding drops which were obtained from laboratory experiments and a theoretical model. Both theory and experiment suggest that the coalescence efficiency is a function of both drop radii and drop size ratio. Even though no clear dependence of coalescence efficiency on impact speed was observed experimentally, the theory does predict some dependence on velocity. Generally it is observed that the coalescence efficiency decreases with increase in the size of the large drop, R(L), and the drop size ratio, p. However, for small R(L) a decrease in the efficiency was also shown. Both theory and experiment demonstrate the strong dependence of coalescence on impact angle. From the experiments two empirical equations were obtained which relate the coalescence efficiencies and partial coalescence efficiencies with p and R(L). These could be used in numerical models of cloud and rain development. (Author).
Author: Fletcher
Publisher: Cambridge University Press
ISBN: 9780521154796
Category : Science
Languages : en
Pages : 418
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Book Description
This book examines cloud physics.
Author: Philip Brown
Publisher: Woodhead Publishing
ISBN: 0081005822
Category : Technology & Engineering
Languages : en
Pages : 318
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Book Description
Fibrous Filter Media comprehensively covers the types, manufacture, applications, performance, and modeling of fibrous filter media. Part I introduces the principles of gas and liquid filtration, while Part II presents an overview of the types of fibrous filters, including details of fiber types, fabric construction, and applications. Part III covers a variety of filtration applications in which fibrous assemblies are used, with examples ranging from filtration for improving air quality, to medical filters, to industrial waste-water filtration. Finally, Part III covers the properties and performance of fibrous filters, including chapters on filter performance and simulation. With its expert editors and international team of contributors, this important book provides information on fibrous filters relevant to fiber and textile scientists, and is also ideal for academics and industry professionals working in the field of filtration. Dr. Philip Brown is Sweetenburg Professor of polymer and textile engineering at Clemson University, USA. Dr. Christopher Cox is Professor of mathematical sciences at Clemson University, USA. - Systematic and comprehensive coverage of the trends and new technologies being developed in the field of fibrous filter media - Focused on the needs of the textiles and filtration industries, with a clear emphasis on applied technology - Contains contributions from an international team of authors edited by an expert in the field
Author:
Publisher: CUP Archive
ISBN:
Category :
Languages : en
Pages : 484
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