Abstract— Heat Transfer and Flow Friction Characteristics of Solar Water Heater with Inserted Baffel Inside Tube. Experimental investigation of friction factor and heat transfer characteristics of thermosyphone solar water heater with flat plate solar collector fitted with full length baffle of 5cm pitch have been presented. The flow regime is laminar for this study with the Reynolds number range 139 to 279. The experimental data obtained were compared with those obtained from plain tube data and 10cm pitch baffle. The effects of full length baffle inside the tube on heat transfer and friction factor were presented. The heat transfer coefficient for baffle tube with 5cm pitch is higher than that of plain tube and baffle tube with 10cm pitch for a given Reynolds number. The use of baffle created improved the performance of thermosyphone solar water heater.
Keywords— Augmentation, baffle creates, Heat Transfer, Reynolds Number, flat plate collector.
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