Study on experimental investigation of curved tube

Study on experimental investigation of curved tube
Author(s):
Prasad nillawar, Shubham chawhan, Shubham rayewar, Rahul dighore, Rajesh rai, Sonukumar mandape, S.G. Chakrabarty
Keywords:

Abstract
In the present study, the thermal performance and pressure drop of the helical-coil heat exchanger with and without helical crimped fins are studied. The heat exchanger consists of a shell and helically coiled tube unit with two different coil diameters. Each coil is fabricated by bending a 9.50 mm diameter straight copper tube into a helical-coil tube of thirteen turns. Cold and hot water are used as working fluids in shell side and tube side, respectively. The experiments are done at the cold and hot water mass flow rates ranging between 0.10 and 0.22 kg/s, and between 0.02 and 0.12 kg/s, respectively. The inlet temperatures of cold and hot water are between 15 and 25 °C, and between 35 and 45 °C, respectively. The cold water entering the heat exchanger at the out channel flows across the helical tube and flows out at the inner channel. The hot water enters the heat exchanger at the inner helical-coil tube and flows along the helical tube. The effects of the inlet conditions of both working fluids flowing through the to section on the heat transfer characteristics are discussed
Article Details
Unique Paper ID: 156012 Publication Volume & Issue: Volume 9, Issue 2 Page(s): 596 - 598
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