Impact of Stearic Acid as Heat Storage Material on Energy Efficiency and Economic Feasibility of a Vacuum Tube Solar Water Heater

• Main Authors: Chopra K., Tyagi V.V., Pathak S.K., Khajuria A., Pandey A.K., Rahman N.A., Mansor M., Sari A.
• Other Authors: 57200420308
• Format: Article
• Published: MDPI 2024
• Subjects: energy; technoeconomic investigation; thermal energy storage material; vacuum tube solar water heating; Collector efficiency; Electron tubes; Energy efficiency; Heat pipes; Heat storage; Hot water distribution systems; Solar system; Thermal energy; Tubes (components); Water; Collector systems; Energy; Energy storage materials; Solar water heating; Techno-economics; Technoeconomic investigation; Thermal; Thermal energy storage; Thermal energy storage material; Vacuum tube solar water heating; Solar water heaters
• Institution: Universiti Tenaga Nasional

The overheating of heat pipes, poor transfer of heat across the absorber and finned heat pipes, and inability to provide hot water in the late evening hours are major problems associated with conventional heat pipe vacuum collector systems. The amalgamation of highly conductive storage material betw...