This book considers the behavior of fluids in a low-gravity environment (e.g. spacecraft) with special emphasis on application in PMD (propellant management device) systems. Since PMD designs are not testable on ground and thus completely rely on analytical or numerical concepts, this book treats three different flow problems with analytical, numerical and experimental means. These problems are linked together by the same set of equations and boundary conditions.
Зміст
State of the Art.- Basic Equations and Dimensionless Numbers.- Orders of Magnitude of the Dimensionless Numbers.- Literature Review.- Surface Oscillations upon Step Reduction of the Bond Number.- Static Surface Shapes.- Scaling of the Dynamic Behavior.- Experiments on Surface Oscillations.- Numerical Calculations.- Conclusions.- Capillary Rise in Cylindrical Tubes.- Experiments on Capillary Rise.- Mathematical Model for the Capillary Rise.- Results and Discussion.- Summary.- Critical Velocities in Open Capillary Channel Flows.- and Background.- Mathematical Model for the Flow Between Parallel Plates.- Experimental Results.- Results and Discussion.- Perspectives.- Conclusion.- Future Projects.- Entrance Flow Problems.
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