DLRRI-022
Sopran
Parabolic Receiver · 1998
40–200 °CNominal output temperature
Up to 20 bar, adapted to testNominal output pressure
40 kWNominal power on target
About this facility
Sopran is a test stand for solar process heat applications, used to measure the efficiency of line-focusing solar collectors at temperatures up to 200 °C according to EN 12975. The installation also supports investigations of solar cooling and direct steam generation for process heat.
Sectors and technologies
Test of line focussing collectors
Technical specifications
16 parameters| Facility type | Parabolic Receiver |
|---|---|
| Year of construction | 1998 |
| Total number of collectors | 6 IST modules |
| Collector model | IST PT-1 |
| Collector length/width | 6 × 2.3 m / 12 × 4.6 m |
| Collector orientation | East–West |
| Receiver manufacturer | IST |
| Working fluid | Water or direct steam generation |
| Nominal output temperature | 40–200 °C |
| Nominal output pressure | Up to 20 bar, adapted to test |
| Nominal power on target | 40 kW |
| Total reflective area | 83 m² |
| Clean reflectivity | 93% |
| Maximum sun concentration | 46 (related to diameter) |
| Power conversion system | No |
| Thermal energy storage | No |
Available services
- Parabolic Trough Collector’s Characterization
Contact & links
Dirk Krüger, dirk.krueger@dlr.de

