Abstract
For the majority of household, municipal, and corporate heated water needs, solar water heater has become an inescapable renewable source. Due to its relative benefits over alternative methods, evacuation tube collectors (ET) oriented solar water heaters (ETSWH) have become increasingly popular in recent years for the mentioned uses. Specifically, the ET system is particularly affordable and effective for the inactive operations. As a result, ETSWHs are widely used in both residential and business structures. Nonetheless, the deprived water flow at the low end of the ETs makes them idle for the majority of time and decreases the useful absorbers area, is a fundamental flaw with ET system in gravity driven type of ET operation. This work aims to address the above ET issues by producing volatility within the ET utilizing two distinct varieties of static mixers, namely combinational static mixers (CSM) and a spring type static mixers (SSM). The experimentations had been carried out in three different ways: ET without static mixers (Empty-ET), ET with combinational static mixers (CSM-ET), and ET with spring type static mixers (SSM-ET). The data was taken from all the cases and then analyzed. The inclusion of static mixers greatly increased the ET water temperature by inducing turbulence, according to the findings. They concurrently increased heat gain, resulting in an increase in mean water tank temperature. With the help of combinational static mixers and a spring type static mixers, the water in the tank's temperature was raised by 8.5 °C and 4.5 °C, correspondingly. Furthermore, as compared to spring type static mixers, the combinational static mixers appear to be superior in terms of enhancing heat transport inside the ETSWH.
Published Version
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