Abstract
AbstractFlat solar collectors can reach very high temperatures, especially when there is low energy consumption or power fails. Afterward, the heat transfer fluid would quickly rise or even boil. To prevent the damaging effects of critical temperatures, a smart Shape Memory Alloy thermal actuator for controlling the temperature of the solar collectors is developed in the present work. Numerical simulation, according to the present 1D models, shows reasonable agreement with the operation of the designed smart actuator in real conditions. The exerted design operates automatically requiring no human intervention or external power supply, and the operation of the solar collector is not affected during non-critical conditions.
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