Sameer Khandekar's Books

Drop Dynamics and Dropwise Condensation on Textured Surfaces

By: Sameer Khandekar,K. Muralidhar

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Drop Dynamics and Dropwise Condensation on Textured Surfaces

By: Sameer Khandekar,K. Muralidhar

This book is an expanded form of the monograph, Dropwise Condensation on Inclined Textured Surfaces, Springer, 2013, published earlier by the authors, wherein a mathematical model for dropwise condensation of pure vapor over inclined textured surfaces was presented, followed by simulations and comparison with experiments. The model factored in several details of the overall quasi-cyclic process but approximated those at the scale of individual drops. In the last five years, drop level dynamics over hydrophobic surfaces have been extensively studied. These results can now be incorporated in the dropwise condensation model. Dropwise condensation is an efficient route to heat transfer and is often encountered in major power generation applications. Drops are also formed during condensation in distillation devices that work with diverse fluids ranging from water to liquid metals. Design of such equipment requires careful understanding of the condensation cycle, starting from the birth of nuclei, followed by molecular clusters, direct growth of droplets, their coalescence, all the way to instability and fall-off of condensed drops. The model described here considers these individual steps of the condensation cycle. Additional discussions include drop shape determination under static conditions, a fundamental study of drop spreading in sessile and pendant configurations, and the details of the drop coalescence phenomena. These are subsequently incorporated in the condensation model and their consequences are examined. As the mathematical model is spread over multiple scales of length and time, a parallelization approach to simulation is presented. Special topics include three-phase contact line modeling, surface preparation techniques, fundamentals of evaporation and evaporation rates of a single liquid drop, and measurement of heat transfer coefficient during large-scale condensation of water vapor. We hope that this significantly expanded text meets the expectations of design engineers, analysts, and researchers working in areas related to phase-change phenomena and heat transfer.

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462

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Springer Nature

Published Date

ISBN 10

3030484610

ISBN 13

9783030484613

Dropwise Condensation on Inclined Textured Surfaces

By: Sameer Khandekar,Krishnamurthy Muralidhar

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Dropwise Condensation on Inclined Textured Surfaces

By: Sameer Khandekar,Krishnamurthy Muralidhar

Dropwise Condensation on Textured Surfaces presents a holistic framework for understanding dropwise condensation through mathematical modeling and meaningful experiments. The book presents a review of the subject required to build up models as well as to design experiments. Emphasis is placed on the effect of physical and chemical texturing and their effect on the bulk transport phenomena. Application of the model to metal vapor condensation is of special interest. The unique behavior of liquid metals, with their low Prandtl number and high surface tension, is also discussed. The model predicts instantaneous drop size distribution for a given level of substrate subcooling and derives local as well as spatio-temporally averaged heat transfer rates and wall shear stress.

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Page Count

155

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Springer Science & Business Media

Published Date

ISBN 10

1461484472

ISBN 13

9781461484479

Drop Dynamics and Dropwise Condensation on Textured Surfaces

By: Sameer Khandekar,K. Muralidhar

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Drop Dynamics and Dropwise Condensation on Textured Surfaces

By: Sameer Khandekar,K. Muralidhar

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Solve jigsaw puzzle

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Page Count

462

Publisher

Springer Nature

Published Date

ISBN 10

3030484610

ISBN 13

9783030484613

Dropwise Condensation on Inclined Textured Surfaces

By: Sameer Khandekar,Krishnamurthy Muralidhar

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Dropwise Condensation on Inclined Textured Surfaces

By: Sameer Khandekar,Krishnamurthy Muralidhar

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N/A

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Solve jigsaw puzzle

Age

Page Count

155

Publisher

Springer Science & Business Media

Published Date

ISBN 10

1461484472

ISBN 13

9781461484479

Book's by Sameer Khandekar

Drop Dynamics and Dropwise Condensation on Textured Surfaces

Drop Dynamics and Dropwise Condensation on Textured Surfaces

Dropwise Condensation on Inclined Textured Surfaces

Dropwise Condensation on Inclined Textured Surfaces

Drop Dynamics and Dropwise Condensation on Textured Surfaces

Drop Dynamics and Dropwise Condensation on Textured Surfaces

Dropwise Condensation on Inclined Textured Surfaces

Dropwise Condensation on Inclined Textured Surfaces

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