研究目的
To compare the thermal performance of conventional foam absorbers with that of an innovative rotary disc absorber design in the context of solar thermal power applications.
研究成果
The innovative rotary disc design in its current form is not competitive with conventional foam absorbers in terms of thermal performance and mechanical reliability. However, it offers better air temperature stability and operability. Future work should focus on optimizing the mechanical design for thermal fatigue to improve robustness and durability.
研究不足
The experimental setup had high uncertainty due to variable weather conditions and lack of accurate solar flux measurement. Only qualitative results were obtained for comparative purposes.
1：Experimental Design and Method Selection:
The study compares two solar absorber concepts - ceramic foam and rotary disc absorbers - under high solar flux and temperature conditions.
2：Sample Selection and Data Sources:
Various SSiC foam absorber configurations and a rotary disc prototype were tested.
3：List of Experimental Equipment and Materials:
A parabolic dish concentrator, air loop, thermocouples, and differential pressure flow meter were used.
4：Experimental Procedures and Operational Workflow:
Absorbers were tested at cup-level in an experimental air loop, measuring thermal power and outlet temperature under steady-state conditions.
5：Data Analysis Methods:
Thermal power was plotted over absorber outlet temperature to compare performance.
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