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Fluid Flow Systems
Open-channel flows
The flow is called open-channel flow (OCF) if the fluid does not fill the available (pipe or) channel cross-section but forms a free surface (Figure 4.1). Above this free water surface, a constant atmospheric pressure is acting on the top of the liquid surface. The water surface of a flow is not necessarily parallel to the channel bottom. (The flow is usually called a channel flow instead of a pipe flow.) The pressure distribution of the flow field is reflected in the change in water level. The flow is not created by an external pressure difference (as in a filled, pressurized network) but by the slope of the channel, i.e., there is a component of the gravitational force field in the direction of the channel bottom. Such flows are, therefore, often referred to as gravity flows [15]. The subject is covered by numerous literature sources; the following are some examples [15], [16].
Tartalomjegyzék
- Fluid Flow Systems
- Copyright Page
- Nomeclature
- 1. Introduction to Fluid Mechanics
- 1.1. Basic principles of fluid mechanics
- 1.1.1. Continuity equation
- 1.1.2. Bernoulli equation, energy law for fluids
- 1.1.3. Ideal gas law
- 1.1.4. Energy law for compressible fluids
- 1.1.5. Flow in pipelines
- 1.1.6. Flow losses
- 1.1.7. Friction factor of straight pipes
- 1.1.8. Performance curve of pipeline systems
- 1.1.9. Pump characteristic curve
- 1.1.1. Continuity equation
- 1.2. Sample questions for the Introduction
- 1.1. Basic principles of fluid mechanics
- 2. Historical introduction to water networks
- 3. Steady-state flow modeling in pressurized networks
- 4. Open-channel flows
- 5. Stationary flow of compressible fluids in pipelines
- 6. Modelling of thermal systems
- 7. Transient cases
- Bibliography
Kiadó: Akadémiai Kiadó
Online megjelenés éve: 2024
ISBN: 978 963 664 044 6
This university textbook is the joint work of the colleagues of the Department of Hydrodynamic Systems, Faculty of Mechanical Engineering at the Budapest University of Technology and Economics. Its main aim is to help students deepen their knowledge of the subject Fluid Flow Systems. It also provides a brief historical overview and a basic introduction to fluid mechanics. It discusses each chapter in varying degrees of detail based on the course material. At the end of each chapter, check questions guide students in their learning.
Hivatkozás: https://mersz.hu/till-csizmadia-weber-fluid-flow-systems//
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