BS ISO 9123:2001:2002 Edition
$102.76
Measurement of liquid flow in open channels. Stage-fall-discharge relationships
| Published By | Publication Date | Number of Pages |
| BSI | 2002 | 22 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 3 | Measurement of liquid flow in open channels�— Stage-fall-discharge relationships |
| 5 | Contents Page |
| 6 | Foreword |
| 7 | Measurement of liquid flow in open channels�— Stage-fall- discharge relationships 1��� Scope 2��� Normative references 3��� Terms and definitions 4��� Units of measurement 5��� General considerations 5.1��� Importance of backwater |
| 8 | 5.2��� Backwater conditions 5.3��� Gauging requirements 5.4��� Types of stage-fall-discharge relationships 5.4.1��� Under conditions of variable backwater, the fall as measured between the reference gauge… 5.4.2��� The constant-fall method works best when backwater is always present at all gauge height… 5.4.3��� The unit-fall method is the simplest and requires the least amount of data for calibrati… 5.4.4��� Variable-fall methods are the most complex and require the most data for calibration. Th… |
| 9 | 6��� Unit-fall method 6.1��� General 6.2��� Method of analysis 6.3��� Computation of discharge 6.4��� Example of unit-fall method |
| 11 | 7��� Constant-fall method 7.1��� General 7.2��� Method of analysis 7.3��� Computation of discharge 7.4��� Example of constant-fall method |
| 15 | 8��� Variable-fall method 8.1��� General 8.2��� Normal-fall method 8.3��� Limiting-fall method 8.3.1��� General 8.3.2��� Method of analysis 8.3.3��� Computation of discharge |
| 16 | 8.3.4��� Example of limiting-fall method |
| 20 | 9��� Rating curves and tables 10��� Method of computation 11��� Periodic checking of stage-fall-discharge ratings 12��� Extrapolations 13��� Uncertainties |
