TABLE I.
List of parameter combinations investigated in the present work.
| Investigation | Source | Particle size (μm) | Screens | Windows |
|---|---|---|---|---|
| Effect of particle size | Student 5 | 1 | No | Closed |
| Student 5 | 4 | No | Closed | |
| Student 5 | 10 | No | Closed | |
| Student 5 | 15 | No | Closed | |
| Student 5 | 20 | No | Closed | |
| Student 5 | 50 | No | Closed | |
| Effect of source location | Student 1 | 1 | No | Closed |
| Student 2 | 1 | No | Closed | |
| Student 5 | 1 | No | Closed | |
| Student 8 | 1 | No | Closed | |
| Student 9 | 1 | No | Closed | |
| Effect of glass barriers/screens | Student 1 | 1 | Yes | Closed |
| Student 2 | 1 | Yes | Closed | |
| Student 5 | 1 | Yes | Closed | |
| Student 8 | 1 | Yes | Closed | |
| Student 9 | 1 | Yes | Closed | |
| Effect of windows | Student 5 | 1 | No | 10% open |
| Student 5 | 1 | No | 20% open | |
| Student 5 | 1 | No | 30% open | |
| Student 5 | 1 | No | 40% open | |
| Student 5 | 1 | N0 | 50% open |