Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and subscripts
4.1 Symbols
4.2 Subscripts
5 Instrumentation
5.1 Air flow rate measurement
5.2 Pressure measurement
5.3 Temperature measurement
5.4 Weighing equipment
5.5 Timers
6 Test apparatus
6.1 Aerodynamic sand trap louvre test facility
6.2 Sand injector equipment
6.3 Aerodynamic measurement section
7 Grading of the test sand
8 Pre-test of sand distribution for each test series
9 Test methods
9.1 Sand rejection
9.2 Entry loss coefficient/pressure loss
Annex A (informative) Typical test results and calculation
examples
A.1 Entry loss coefficient
A.2 Sand trap louvre effectiveness
A.2.1 Recording results
A.2.2 Rating