E-Portfolio 4.5

Personal research reflection

There are a lot of research has made a lot of advance in their research. For my research of development of multi-pass solar heat collector of UMS Eco-Solar Dryer, a lot of research has been involved in the design and making the dryer. Furthermore, it has been commercialized to help the communities and farmers around Sabah especially from Kg. Tudan and Pulau Bangi. A lot of improvement has been done from a complete solar dryer to a hybrid solar dryer to increase the performance of the UMS Eco-solar dryer.

UMS Eco-solar dryer has its own advance which is the dual aeration direction. Typically, a solar dryer is designed as updraft where the hot air from the solar heat collector rise up and exit through the top vent. However, UMS Eco-solar dryer has two modes of drying to provide optimal drying; updraft and downdraft modes.

As time goes by, the dryer certainly has room to be improved. As my research to develop a new solar heat collector by using different materials and different techniques. A comparison between the recent and new designs will be made to see the improvement of the dryer. It can fulfill the objectives of the research.  

The theoretical temperature can help predict the performance of the UMS Eco-Solar Dryer. The performance can be seen from efficiency. 

Future direction

In the future, the development of the dryer will keep improving. A lot of researchers have done a lot of advancement in their design of the solar collector. Kamaruzzaman (Sopian, Alghoul, Alfegi, Sulaiman, & Musa, 2009) has presented a different type of commercial-scale solar dryer around Malaysia. He has found out a lot of advanced solar dryers that energy savings, manufacturing labor requirements and construction material to help the communities. Adding a new feature to the dryer such as photovoltaic thermal air collector (Kim, Park, & Kim, 2014), or latent storage unit using phase change material (El Khadraoui, Bouadila, Kooli, Farhat, & Guizani, 2017). These features can improve the performance of the dryer.

Reference

El Khadraoui, A., Bouadila, S., Kooli, S., Farhat, A., & Guizani, A. (2017). Thermal behavior of indirect solar dryer: Nocturnal usage of solar air collector with PCM. Journal of Cleaner Production, 148, 37–48. https://doi.org/10.1016/j.jclepro.2017.01.149
Kim, J. H., Park, S. H., & Kim, J. T. (2014). Experimental performance of a photovoltaic-thermal air collector. Energy Procedia, 48, 888–894. https://doi.org/10.1016/j.egypro.2014.02.102

Sopian, K., Alghoul, M. A., Alfegi, E. M., Sulaiman, M. Y., & Musa, E. A. (2009). Evaluation of thermal efficiency of double-pass solar collector with porous-nonporous media. Renewable Energy, 34(3), 640–645. https://doi.org/10.1016/j.renene.2008.05.027

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