Review Article
Simplified Modeling and Simulation of Electricity Production from a Dish/Stirling System
Table 3
Design parameters of Dish/Stirling and operating conditions used for the case study [
21].
| | Type number of facets | Paraboloid 12 seg |
| | Focal length (m) | 4.52 | | Dish aperture diameter (m) | 8.5 | | Area projected (m2) | 56.7 | | Reflectivity (%) | 94 | | Interception factor (%) | 90 | | Rim angle (°) | 45 | | Stirling engine type | Kinematic alpha type SOLO 161 | | Number of cylinders | 2 | | Maximum electrical power | 10 kWe | | Angular speed (rpm) | 1500 | | Working fluid | Hydrogen | | Cooling | Ambient air | | Cooler swept volume (cc) | 160 | | Cooler dead volume (cc) | 22 | | Heater swept volume (cc) | 160 | | Heater dead volume (cc) | 28,06 | | Absorber number of tubes | 78 | | Inner diameter of a tube (mm) | 1,6 | | Average length of a tube (cm2) | 34,6 | | Absorber inner volume (cc) | 54,26 | | Area of absorber (cc) | 13,17 | | Regenerator diameter (mm) | 66 | | Regenerator heat transfer area (cm2) | 25900 | | Length (mm) | 30,6 | | Ceramic thermal conductivity (W·K-1 m-1) | 10 | | Thermal capacity of ceramic (J·kg-1·K-1) | 1000 | | Ceramic density (kg·m-3) | 200 | | Ceramic thickness (m) | 0.20 | | Inconel thermal conductivity (W·K-1 m-1) | 21 | | Thermal capacity of Inconel (J.kg-1·K-1) | 570 | | Inconel density (kg·m-3) | 8440 | | Aperture diameter of cavity (m) | 0.19 | | Inclination angle (°) | 40 | | Phase shift angle (°) | 90 | | Depth of the cavity (m) | 0.12 |
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