Abstract
The longitudinal dispersion coefficient is used to describe the change in characteristics of a solute cloud, as it travels along the longitudinal axis of a pipe. Taylor (1954) proposed a now classical expression to predict the longitudinal dispersion coefficient within turbulent pipe flow. However, experimental work has shown significant deviation from his prediction for Re < 20,000. This paper presents experimental results from tracer studies conducted within the range 2,000 < Re < 50,000, from which longitudinal dispersion coefficients have been determined. Initial results are also presented for a numerical model that aims to predict the longitudinal dispersion coefficient over the same range of Reynolds numbers.
| Original language | English |
|---|---|
| Title of host publication | Experimental and computational solutions of hydraulic problems |
| Publisher | Springer |
| Pages | 133-145 |
| Number of pages | 13 |
| ISBN (Electronic) | 978-3-642-30209-1 |
| ISBN (Print) | 978-3-642-30208-4 |
| DOIs | |
| Publication status | Published - 2013 |
Keywords
- Velocity Profile
- Buffer Zone
- Longitudinal Dispersion
- Transitional Flow
- Turbulent Pipe Flow
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