Tim arndt (20 Ergebnisse)

Softcover. Zustand: Very Good. First Edition. Very Good paperback lightly bumped at the top corner. 113 pages, unmarked. Contributors: Dodie Bellamy, Michelle Tea, Donal Mosher, Charlie Andes, Tim Denevi, MC Mars, Eric Delehoy, Sloane Martin, Lisa Ryers, Jessica Arndt, Matthue Roth, Leigh Gallagher, Daphne Gottlieb, Aaron Nielsen, Mike. ; UO15 C7C; 8vo 8" - 9" tall; 113 pages. …

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Taschenbuch. Zustand: Neu. Neuware - Die Auslagerung von bisher im Unternehmen erbrachten Wertschöpfungsaktivitäten auf selbstständige externe Dienstleistungsunternehmen, dass sogenannte Outsourcing, hat sich in den letzten Jahren in zunehmendem Masse in nahezu allen Wirtschaftsbereichen - insbesondere im Bereich des Kreditgewerbes - zu einem überaus praxisrelevanten Themenbereich entwickelt.Die vorliegende Arbeit nimmt einzelne mit dieser Entwicklung verbundene Fragestellungen auf. Sie beleuchtet die aufsichts- und haftungsrechtliche Behandlung des Outsourcing im Rahmen eines in diesem Zusammenhang bis dato noch weitgehend unbeachtet gebliebenen Tätigkeitsfeldes von Kredit- und Finanzdienstleistungsinstituten, der individuellen Finanzportfolioverwaltung. Die Arbeit hat zum Anliegen, auf Basis der Analyse der gegenwärtigen rechtlichen Rahmenbedingungen unter besonderer Berücksichtigung von Fragen der Substitution bei Besorgung fremder Geschäfte einen praxisgerechten Lösungsansatz aufzuzeigen und hiermit gleichsam einen Beitrag zur rechtswissenschaftlichen Diskussion in diesem für die Praxis hoch relevanten Themenbereich zu leisten.; Dissertationsschrift. …

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Taschenbuch. Zustand: Neu. Manager of Managers - Verträge. | Outsourcing im Rahmen individueller Finanzportfolioverwaltung durch Kredit- und Finanzdienstleistungsinstitute. | Tim Arndt | Taschenbuch | 228 S. | Deutsch | 2004 | Wissenschaft & Praxis | EAN 9783896732286 | Verantwortliche Person für die EU: Duncker & Humblot GmbH, Carl-Heinrich-Becker-Weg 9, 12165 Berlin, info[at]duncker-humblot[dot]de | Anbieter: preigu.…

Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Particularly in the upper stage development of rockets (launchers), gravity dominated fluid motion in upper stage tanks (sloshing) during flight represents an undesired dynamic effect. On the one hand the sloshing forces lead to disturbances, which have to be compensated by the reaction control system. On the other hand, when cryogenic fluids are considered, the fluctuations in tank pressure may be critical under some circumstances compromising the structural stability of the tank. In this field, the utilization of cryogenic propellants represents a high challenge to layout and design of the propulsion components including the propellant tanks.This work deals with two effects that are directly coupled to the sloshing content inside the propellant tank. To investigate these effects a dedicated test setup has been developed. At first, the damping characteristics of sloshing cryogenic nitrogen - which is used as a substitute for the rocket propellants liquid hydrogen and liquid oxygen - are determined. The results are correlated to the theory based on storable propellants. The main part of this work is linked to a characteristic pressure drop inside the propellant tank caused by the sloshing liquid. For the effect to occur, the tank must be pressurized to enable the formation of a thermal stratification below the liquid surface. Sloshing leads to the mixing of liquid in this region with subcooled liquid from the bulk. This affects the decrease of the temperature at the free surface leading to the condensation of superheated vapor. Thus, the pressure in the tank must decreases. Three different pressurization concepts are introduced in this work; self-pressurization where the tank is pressurized by evaporating liquid caused by the heat flowing into the tank. Furthermore, the tank is pressurized with gaseous nitrogen taken from an external gas bottle and at last gaseous helium from an external supply is used for pressurization purpose. By the application of helium as non-condensable gas, a significant reduction of the pressure drop is expected. The experimental results confirm this working hypothesis and therefore support the theoretical considerations described by an approach of Das & Hopfinger.All results are presented in a non-dimensional form to allow the comparison to data from the literature. Furthermore, the upscaling of the current results enables the prediction for future cryogenic upper stages such as the ESC-B for the European space launcher Ariane 5. 212 pp. Englisch.…

Taschenbuch. Zustand: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Particularly in the upper stage development of rockets (launchers), gravity dominated fluid motion in upper stage tanks (sloshing) during flight represents an undesired dynamic effect. On the one hand the sloshing forces lead to disturbances, which have to be compensated by the reaction control system. On the other hand, when cryogenic fluids are considered, the fluctuations in tank pressure may be critical under some circumstances compromising the structural stability of the tank. In this field, the utilization of cryogenic propellants represents a high challenge to layout and design of the propulsion components including the propellant tanks.This work deals with two effects that are directly coupled to the sloshing content inside the propellant tank. To investigate these effects a dedicated test setup has been developed. At first, the damping characteristics of sloshing cryogenic nitrogen - which is used as a substitute for the rocket propellants liquid hydrogen and liquid oxygen - are determined. The results are correlated to the theory based on storable propellants. The main part of this work is linked to a characteristic pressure drop inside the propellant tank caused by the sloshing liquid. For the effect to occur, the tank must be pressurized to enable the formation of a thermal stratification below the liquid surface. Sloshing leads to the mixing of liquid in this region with subcooled liquid from the bulk. This affects the decrease of the temperature at the free surface leading to the condensation of superheated vapor. Thus, the pressure in the tank must decreases. Three different pressurization concepts are introduced in this work; self-pressurization where the tank is pressurized by evaporating liquid caused by the heat flowing into the tank. Furthermore, the tank is pressurized with gaseous nitrogen taken from an external gas bottle and at last gaseous helium from an external supply is used for pressurization purpose. By the application of helium as non-condensable gas, a significant reduction of the pressure drop is expected. The experimental results confirm this working hypothesis and therefore support the theoretical considerations described by an approach of Das & Hopfinger.All results are presented in a non-dimensional form to allow the comparison to data from the literature. Furthermore, the upscaling of the current results enables the prediction for future cryogenic upper stages such as the ESC-B for the European space launcher Ariane 5.…

Zustand: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. KlappentextrnrnParticularly in the upper stage development of rockets (launchers), gravity dominated fluid motion in upper stage tanks (sloshing) during flight represents an undesired dynamic effect. On the one hand the sloshing forces lead to d.…

Taschenbuch. Zustand: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Particularly in the upper stage development of rockets (launchers), gravity dominated fluid motion in upper stage tanks (sloshing) during flight represents an undesired dynamic effect. On the one hand the sloshing forces lead to disturbances, which have to be compensated by the reaction control system. On the other hand, when cryogenic fluids are considered, the fluctuations in tank pressure may be critical under some circumstances compromising the structural stability of the tank. In this field, the utilization of cryogenic propellants represents a high challenge to layout and design of the propulsion components including the propellant tanks.This work deals with two effects that are directly coupled to the sloshing content inside the propellant tank. To investigate these effects a dedicated test setup has been developed. At first, the damping characteristics of sloshing cryogenic nitrogen ¿ which is used as a substitute for the rocket propellants liquid hydrogen and liquid oxygen ¿ are determined. The results are correlated to the theory based on storable propellants. The main part of this work is linked to a characteristic pressure drop inside the propellant tank caused by the sloshing liquid. For the effect to occur, the tank must be pressurized to enable the formation of a thermal stratification below the liquid surface. Sloshing leads to the mixing of liquid in this region with subcooled liquid from the bulk. This affects the decrease of the temperature at the free surface leading to the condensation of superheated vapor. Thus, the pressure in the tank must decreases. Three different pressurization concepts are introduced in this work; self-pressurization where the tank is pressurized by evaporating liquid caused by the heat flowing into the tank. Furthermore, the tank is pressurized with gaseous nitrogen taken from an external gas bottle and at last gaseous helium from an external supply is used for pressurization purpose. By the application of helium as non-condensable gas, a significant reduction of the pressure drop is expected. The experimental results confirm this working hypothesis and therefore support the theoretical considerations described by an approach of Das & Hopfinger.All results are presented in a non-dimensional form to allow the comparison to data from the literature. Furthermore, the upscaling of the current results enables the prediction for future cryogenic upper stages such as the ESC-B for the European space launcher Ariane 5.Cuvillier Verlag, Nonnenstieg 8, 37075 Göttingen 212 pp. Englisch.…

Taschenbuch. Zustand: Neu. Sloshing of Cryogenic Liquids in a Cylindrical Tank under normal Gravity Conditions | Tim Arndt | Taschenbuch | 212 S. | Englisch | 2012 | Cuvillier | EAN 9783954041244 | Verantwortliche Person für die EU: Cuvillier Verlag, Nonnenstieg 8, 37075 Göttingen, info[at]cuvillier[dot]de | Anbieter: preigu Print on Demand. …