| Items | Condition or assumption |
| Location | Amman (latitude 32˚N) |
| Crop | Apple |
| Drying period | July to September |
| Variety | Kitchener |
| loading rate (2 days/batch) | 100 kg sliced apple |
| Initial moisture content (moisture content at harvest) | 84.89% |
| Final moisture content (moisture content or storage) | 10% wet basis |
| Ambient air temperature | 32˚C (Average for August) |
| Ambient relative humidity | 45% (Average for August) |
| Maximum allowable temperature | 70˚C |
| Drying time (sunshine hours) | 8 hours (Average for August) |
| Collector efficiency | 30% (Ampratwum, 1998). |
| Wind speed | 3 m/s |
| Thickness of sliced apple | 3 mm |
| Vertical distance between two adjacent trays | 25 cm |
| Declination angle δ | 12.1˚ |
| Ratio of diffuse to direct irradiation C | 0.122 |
| Equation of time | 1 min |
| Apparent solar irradiation A | 1106.2 w/m2 |
| Atmospheric extinction B | 0.177 m−1 |
| α2: is the angle between the horizontal projection of the normal to the surface and the due south line measure in clock wise direction | 0˚ |
| β2: the tiled angle of the surface is the angle between the surface and the and the horizontal | 20º |
| α: the collector surface absorptivity | 90% |