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Experimental Investigation on Copper Tube by using Double Passive Augmentation Technique used for Heat Exchanger Performance Enhancement

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Figure

Fig. 1. Photograph of Experimental Setup.
Table 2 Calculation table for Threaded tube
Fig. 4 shows the variation of friction factor with Reynolds number for smooth tube, values obtained from theoretical correlation (Petukhov) and test tubes having internal threads
Fig. 5 shows the variation shows the variation of thermal enhancement factor with Reynolds number

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