1.

Record Nr.

UNINA9910137176403321

Autore

Assonitis Georges

Titolo

Réglementation Internationale des Transports Maritimes Dans le Cadre de la CNUCED

Pubbl/distr/stampa

Graduate Institute Publications, 1991

[Place of publication not identified], : Presses universitaires de France, 1991

ISBN

2-940549-39-7

Descrizione fisica

1 online resource (xviii-310 p.)

Disciplina

341.7/566

Lingua di pubblicazione

Francese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Bibliographic Level Mode of Issuance: Monograph

Sommario/riassunto

Les transports maritimes internationaux, industrie connexe au commerce international, mettent en jeu des intérêts différents : ceux des transporteurs, ceux des chargeurs, ceux des assureurs et des agents maritimes.  Exprimée dans le cadre de la CNUCED comme une lutte entre pays fournisseurs de services et pays usagers, l'opposition d'intérêts est, en réalité, un conflit entre pays développés (PD) et pays en voie de développement (PVD), les uns revendiquant la liberté et les autres la réglementation pour assurer un partage équitable des avantages de cette activité économique. L'ouvrage traite l'essentiel de la réglementation internationale des transports maritimes, élaborée ou en cours d'élaboration dans le cadre de la CNUCED, et dégage les principes et les tendances actuelles du droit maritime international en tant que branche du droit international.  À partir de l'examen de ce domaine particulier des relations économiques, l'auteur montre la contribution de la CNUCED en tant qu'organisme initiateur, promoteur et forum de négociations normatives touchant aux problèmes de développement et souligne la différence d'approche d'autres fora s'occupant de ces questions.



2.

Record Nr.

UNINA9910418326803321

Autore

Khandekar Sameer

Titolo

Drop Dynamics and Dropwise Condensation on Textured Surfaces / / by Sameer Khandekar, K. Muralidhar

Pubbl/distr/stampa

Cham : , : Springer International Publishing : , : Imprint : Springer, , 2020

ISBN

3-030-48461-0

Edizione

[1st ed. 2020.]

Descrizione fisica

1 online resource (XXIV, 450 p. 199 illus., 60 illus. in color.)

Collana

Mechanical Engineering Series, , 2192-063X

Disciplina

536.44

Soggetti

Thermodynamics

Heat engineering

Heat - Transmission

Mass transfer

Fluid mechanics

Surfaces (Physics)

Quantum statistics

Engineering Thermodynamics, Heat and Mass Transfer

Engineering Fluid Dynamics

Surface and Interface and Thin Film

Quantum Gases and Condensates

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Nota di bibliografia

Includes bibliographical references and index.

Nota di contenuto

Introduction -- Intermediate steps in dropwise condensation -- Mechanism of Dropwise Condensation and its Modeling -- Drop Formation at the Atomic Scale -- Spreading of a Single Drop on Sessile and Pendant Surfaces -- Macroscopic Modeling of Dropwise Condensation -- Simulation of Dropwise Condensation in a Parallel Environment -- Dropwise Condensation of Water Vapor (Simulation) -- Dropwise Condensation of Bismuth (Simulation) -- Surface preparation Techniques -- Coalescence Dynamics of Drops over a Hydrophobic Surface -- Liquid Crystal Thermography of Condensing Drops -- Dropwise Condensation of water vapor  -- Instrumentation Issues Encountered During Measurement of Heat Transfer -- Evaporation of a Liquid Drops from a Textured Surface -- Concluding remarks and



perspectives -- Future Work.

Sommario/riassunto

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.