基于自行研究开发、呈东西轴布置的太阳能槽形抛物面聚光集热器，建立了评估其光热性能的实验台，对其光热特性进行了详细实验研究。实验结果表明聚光集热器效率较高。聚光器与全新集热器组成的太阳能槽形抛物面聚光集热器峰值效率达70％左右，聚光器结构性能较好，跟踪驱动系统精度较高；但部分集热器经过320℃以上的温度后快速老化，致使整个太阳能槽形抛物面聚光集热器的热性能逐渐下降。
Based on the parabolic trough collector designed and constructed by ourselves, a test band is established for evaluating the thermal performance of the parabolic trough collector. Expcriments on the thermal performance of the parabolic trough collector have been done in detail. Experimental results show a high thermal performance of the parabolic trough collector. Overall efficiency of the parabolic trough collector exceeds 70%, which means that thermal performance of the parabolic trough collector is higher, steel structure performance of the collector is higher, and precision of tracking and driving system is higher. Thermal perlbrmance of parabolic trough receivers used degraded rapidly, which reduces the overall therlnal performance of the parabolic trough collector gradually.
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