Browsing งานวิจัย (Research) by Subject "Hot air"
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Develop thermal efficiency of hot air solar selective surface to promote used solar energy for sea-food drying
(Rajamangala University Of Technology Rattanakosin, 2018)The objective of this research applying black spray color in local market, it is flat-black color, don’t mixing reflection chemical for coating solar selective surface to make up hot-air solar color. Research mythology ...