Download Aerothermodynamik by Herbert Jr. Oertel, M. Böhle, J. Delfs, D. Hafermann, H. PDF

By Herbert Jr. Oertel, M. Böhle, J. Delfs, D. Hafermann, H. Holthoff

Dieses Buch wendet sich an Studenten der Ingenieurwissenschaften und Ingenieure der Raumfahrtindustrie und der Energieverfahrenstechnik. Es verkn?pft die klassischen Gebiete der Aerodynamik mit der Nichtgleichgewichts-Thermodynamik hei?er Gase. Am Beispiel des Wiedereintritts einer Raumkapsel in die Erdatmosph?re werden die aerothermodynamischen Grundlagen und numerischen Methoden zur Berechnung des Str?mungsfeldes der Raumkapsel im gaskinetischen und kontinuumsmechanischen Bereich der Wiedereintrittstrajektorie behandelt. Am Beispiel von Raumfahrtprojekten werden die Methoden entwickelt. Die Autoren sind anerkannte Spezialisten f?r dieses Fachgebiet.

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Aerothermodynamik

Dieses Buch wendet sich an Studenten der Ingenieurwissenschaften und Ingenieure der Raumfahrtindustrie und der Energieverfahrenstechnik. Es verkn? pft die klassischen Gebiete der Aerodynamik mit der Nichtgleichgewichts-Thermodynamik hei? er Gase. Am Beispiel des Wiedereintritts einer Raumkapsel in die Erdatmosph?

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This is because a substantial fraction of the substrate may dissolve in the process, and also because the resulting titration curves are composite data for a mixture of titrable phases. g. , 1979) this usually results in ambiguous data and the usefulness of these extractions remains the subject of controversy. 2). 2, respectively. 2 Thermodynamic sorption models and Kd estimation for PA As noted before, an important input parameter in modelling RN mobility in the environment is the solid/liquid partitioning coefficient (Kd value).

Models based on a single or limited range of input data are likely to be inadequate for simulating a broad range of experimental conditions. If only part of the database is considered, it is more likely that a significant governing process will be omitted from the model. This has two important implications regarding data needs: • Identification of the governing processes that determine Kd requires adequate coverage of the relevant experimental parameters for the PA setting that is to be modelled.

Feldspars or poorly crystalline aluminosilicate phases); the acidity constants (and EDL properties) of the mixture of phases cannot be assessed experimentally by acid-base titration. This is because the consumption of acid/base caused by the dissolution of minerals or titration of organic acid functional groups overwhelms the surface hydroxyl titration, making the experimental results very difficult to interpret. An alternative strategy is that the EDL properties of the complex mixture can be inferred or predicted from knowledge of the EDL properties and surface areas of its mineral components.

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