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Experimental Study on Effect of Pitch of Twisted Tape on Performance of Externally Helical Wire Wound Double Pipe Heat Exchanger


Devanand Sahu , SAGAR INSTITUTE OF SCIENCE AND TECHNOLOGY; Sanjay Kumar Singh, Sagar institute of science and technology,Bhopal


Heat Transfer Rate, Heat Exchanger, Helical Wire, Twister Tape


Double pipe heat exchanger (DPHE) or concentric tube heat exchanger is one of the consistency conservation of heat through in pipe of heat exchanger. This kind of heat exchanger is with the process of conduction, convection widely used in chemical, food, and oil and gas industries in maintaining the temperature of storage of inventory. Double pipe heat exchanger having a relatively small diameter and it is easy to fabricate as compare to helical tube, corrugated , baffled tube and many more compact type of heat exchanger. In the present work experiment is carried out on double pipe heat exchanger in which hot water is flowing through inner tube where as cold water is flowing through the annulus and hot water to cold water heat exchange is taken into consideration. During the experiment cold water flow rate is kept constant at 45LPH where as hot water flow rate is varies from 15LPH to75LPH. Three twisted tape inserts of different pitch length (2.5, and 4.5) are used and inlet and outlet temperature and cold fluid is measured by K type thermocouple to calculate the performance of double pipe heat exchanger in parallel and counter flow arrangement.

Other Details

Paper ID: IJSRDV5I120483
Published in: Volume : 5, Issue : 12
Publication Date: 01/03/2018
Page(s): 995-996

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