DESIGN OF HELICAL BAFFLE IN SHELL AND TUBE HEAT EXCHANGER WITH USING COPPER OXIDE(II) NANO PARTICLE
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 0, Vol 4, Issue 8
Abstract
Heat exchangers being one of the most important heat & mass transfer apparatus in industries like oil refining, chemical engineering, electric power generation etc. are designed with preciseness for optimum performance and lo ng service life. This paper experimental inve stgation of helical baffle heat exchanger using the Kern method with varied shell side flow rates. This is a proven method used in counter flow design of Heat Exchangers with a baffle cut of 25%. The paper also consists of the thermal analysis of a helixch anger (Continuous Helical baffled Heat Exchanger) using the Kern method, modified to estimate the results for different flow rates at a fixed helical angle of 5,10,15,20 ̊. The results obtained in this paper show us that the desired properties from a Heat e xchanger i.e High Heat Transfer Co - efficient and lower pressure drop are more effectively obtained in a Helixchanger. The shell side zigzag flow induced by the Segmental baffle arrangement is completely eliminated in a Helixchanger. The flow pattern in the shell side of the continuous helical baffle heat exchanger is rotational & helical due to the geometry of continuous helical baffles. This flow pattern, at a certain different helical angle s , results in significant increase in the heat transfer coefficien t, however at the cost of lower pressure drop. And also using copper oxide(ii) nanao particle wth two different volume concentrations 0.05% and 0.1% .The results are evaluated in terms of heat transfer rate,shell side and tube side heat transfer coefficien t and over all heat transfer coffecientand heat transfer area
Authors and Affiliations
R. N. S. V. Ramakanth
Keywords
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