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Fluid Mechanics in Channel, Pipe and Aerodynamic Design Geometries 1
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eBook - ePub
Fluid Mechanics in Channel, Pipe and Aerodynamic Design Geometries 1
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About This Book
Fluid mechanics is an important scientific field with various industrial applications for flows or energy consumption and efficiency issues. This book has as main aim to be a textbook of applied knowledge in real fluids as well as to the Hydraulic systems components and operation, with emphasis to the industrial or real life problems for piping and aerodynamic design geometries. Various problems will be presented and analyzed through this book.
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Yes, you can access Fluid Mechanics in Channel, Pipe and Aerodynamic Design Geometries 1 by Christina G. Georgantopoulou, George A. Georgantopoulos in PDF and/or ePUB format, as well as other popular books in Physical Sciences & Mechanics. We have over one million books available in our catalogue for you to explore.
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1
Fundamental Principles in Fluids
1.1. Introduction
The most important characteristics of fluids are distinguished under shear conditions. As we have already mentioned, every fluid is incapable of maintaining its static balance under shear stress conditions.
As a matter of fact, many objects, even solids, show fluid properties if high-grade shear stresses are developed. In addition, some real fluids show a viscosity that is so high under certain conditions that they behave more like solids than fluids. However, the definition that has been given is adequate for fluids despite the occurrence of some extreme cases. In general, fluids are comprised of liquids and gases.
Figure 1.1 shows the shear stresses in both solids and fluids. A tangential force F is applied to the upper surface of each object, thereby developing shear stresses (F/S). When the shear stresses are applied to a solid body, deformation is developed, which is depicted by its change in shape and the angle da.
Figure 1.1. Shear stresses in solids and fluids
However, if the same stresses are applied to fluids, deformation will not be permanent. Deformation is developed only during the stress application. If some objects sometimes behave like solids and other times like fluids, according to the size of the applied stresses, then they are called plastics, for example the paraffin. This type of material is deformed like solids if the shear stresses are less than a certai...
Table of contents
- Cover
- Preface
- Introduction
- 1 Fundamental Principles in Fluids
- 2 Hydrostatics
- 3 Aerostatics
- 4 Fluid Flow
- 5 Flow in Pipes
- Appendices
- Bibliography
- Index
- End User License Agreement