Jens Timmermann

Stefan Turek

Michael Schlüter

Otto Mierka

Maimoona Munir

Claas Spille

Reactive Flow Simulation of Micromixers Based On Grid Deformation Techniques

David Billet

Gerold Wefer

Dierk Hebbeln

Bo B. Jorgensen

Tjeerd C.E. Van Weering

Ocean margins are the transitional zones between the oceans and continents. They represent dynamic systems in which numerous processes shape the environment and result in impacting the utilization and hazard potentials for humans. These processes are influenced by a variety of steering mechanisms, from mountain building and climate on the land to tectonics and sea-level fluctuations in ocean margins. This book examines various aspects of regulation for the long-term development of ocean margins, of the impact of fluids and of the dynamics of benthic life at and below the seafloor in ocean margin systems.

Ocean Margin Systems

Dieter Bothe

Sonja Herres-Pawlis

Ulrich Nieken

This book presents experimental and numerical methods that have been developed during six years of targeted research within the DFG priority program SPP 1740, elucidating the interaction between hydrodynamics, mass transfer and transport as well as chemical reactions in bubbly flows. A special feature of this book is its focus on an interdisciplinary research approach with contributions from chemistry, mathematics and engineering sciences, providing enhanced or novel experimental methods, models and numerical simulations. This book provides fundamental knowledge to students about the current state of knowledge regarding transport processes in reactive bubbly flows as well as to scientists, emphasizing pressing research questions and further current demands for fundamental research. Engineers from the chemical industries will get valuable insights into relevant gas-liquid processes and benefit from recommendations concerning the design of gas-liquid reactors and laboratory experiments for studying the performance of gas-liquid reactions in their own lab.

Final Report of the DFG Priority Program 1740

Reactive Bubbly Flows

Die Reihe beschäftigt sich mit Realisierungs- und Zuverlässigkeitsaspekten komplexer Software-Systeme. Den Schwerpunkt bilden konkrete Handlungsgrundsätze und implementierungsnahe Techniken für Informationssysteme und wissensbasierte Systeme. Dabei rücken Probleme bei der Modellierung, Analyse, Konzeption, Konstruktion und Validation komplexer Systeme in den Mittelpunkt, vor allem im Hinblick auf Programmierungsaspekte. Eine gemeinsame Eigenschaft der Einzelbände ist ihre Innovationskomponente. Diese Komponente wird auch durch die Einbeziehung von Werken interdisziplinären Charakters gewährleistet. Konkrete Anwendungssysteme, insbesondere aus technischen Bereichen einschließlich Büro- und Verwaltungsautomation, vermitteln den Praxisbezug.

Einführung in die Programmierung mit Natural & Adabas

Steven A. Murawski

Cameron H. Ainsworth

Sherryl Gilbert

David J. Hollander

Claire B. Paris

Dana L. Wetzel

It has often been said that generals prepare for the next war by re-fighting the last. The Deepwater Horizon (DWH) oil spill was unlike any previous – an underwater well blowout 1,500 meters deep. Much has been learned in the wake of DWH and these lessons should in turn be applied to both similar oil spill scenarios and those arising from “frontier” explorations by the marine oil industry. The next deep oil well blowout may be at 3,000 meters or even deeper. This volume summarizes regional (Gulf of Mexico) and global megatrends in marine oil exploration and production. Research in a number of key areas including the behavior of oil and gas under extreme pressure, impacts on biological resources of the deep sea, and the fate of oil and gas released in spills is synthesized. A number of deep oil spills are simulated with detailed computer models, and the likely effects of the spills and potential mitigation measures used to combat them are compared. Recommended changes in policies governing marine oil exploration and development are proposed, as well as additional research to close critical and emerging knowledge gaps. This volume synthesizes state-of-the-art research in deep oil spill behavior and response. It is thus relevant for government and industry oil spill responders, policy formulators and implementers, and academics and students desiring an in-depth and balanced overview of key issues and uncertainties surrounding the quest for deep oil and potential impacts on the environment.

Fighting the Next War

Scenarios and Responses to Future Deep Oil Spills

Jörn Thiede

Priska Schäfer

Will Ritzrau

The northern North Atlantic is one of the regions most sensitive to past and present global changes. This book integrates the results of an interdisciplinary project studying the properties of the Greenland-Iceland-Norwegian Seas and the processes of pelagic and benthic particle formation, particle transport, and deposition in the deep-sea sediments. Ice-related and biogeochemical processes have been investigated to decipher the spatial and temporal variability of the production and fate of organic carbon in this region. Isotopic stratigraphy, microfossil assemblages and paleotemperatures are combined to reconstruct paleoceanographic conditions and to model past climatic changes in the Late Quaternary. The Greenland-Iceland-Norwegian Seas can now be considered one of the best studied subbasins of the world`s oceans.

A Changing Environment

The Northern North Atlantic

The demand for oil and gas has brought exploration and production to unprecedented depths of the world’s oceans. Currently, over 50% of the oil from the Gulf of Mexico now comes from waters in excess of 1,500 meters (one mile) deep, where no oil was produced just 20 years ago. The Deepwater Horizon oil spill blowout did much to change the perception of oil spills as coming just from tanker accidents, train derailments, and pipeline ruptures. In fact, beginning with the Ixtoc 1 spill off Campeche, Mexico in 1979-1980, there have been a series of large spill events originating at the sea bottom and creating a myriad of new environmental and well control challenges. This volume explores the physics, chemistry, sub-surface oil deposition and environmental impacts of deep oil spills. Key lessons learned from the responses to previous deep spills, as well as unresolved scientific questions for additional research are highlighted, all of which are appropriate for governmental regulators, politicians, industry decision-makers, first responders, researchers and students wanting an incisive overview of issues surrounding deep-water oil and gas production.

Facts, Fate, and Effects

Deep Oil Spills

Michael Schlüter

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