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Experimental Study on the Characteristics of the Heat Transfer and the Pressure Drop inside the Small Diameter Tube with the Heat Transfer Enhancing Geometry  

Park Chan-Woo (Dept. of Computer Based Applied Mechanical Engineering, Iksan National College)
Chin Sung-Min (Environment & Process Technology Division, Korea Institute of Science & Technology)
Jurng Jong-Soo (Environment & Process Technology Division, Korea Institute of Science & Technology)
Publication Information
Korean Journal of Air-Conditioning and Refrigeration Engineering / v.18, no.4, 2006 , pp. 297-303 More about this Journal
Abstract
Friction and heat transfer coefficients were measured inside the corrugated tube using water as the working fluid. The test is performed for 16 tubes which outer diameter of tubes are 12.7 mm. These specifications are 4 indentation depths and 4 indentation pitches, respectively. The range of the water velocity inside the tube is from 0.5 to 3.0 m/s (8,500
Keywords
Corrugated tube; Indentation depth; Indentation pitch; Pressure drop;
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