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TITLE : EXPERIMENTAL SCRUTINIZATION OF HEAT TRANSFER CHARACTERISTICS ON TWO-PHASE FLOW IN 1-2 SHELL AND TUBE HEAT EXCHANGER  
AUTHORS : Saravanan A.M.      Jeykumar M.      Sundaram S.       
DOI : http://dx.doi.org/10.18000/ijodam.70065  
ABSTRACT :

An experimental work is carried out for air-water system in 1-2 shell and tube heat exchanger with variable configuration for the
passage of heating and test fluids with parallel and countercurrent flow. Two-phase parameters such as quality, Lockhart- Martinelli (L-M) parameter and two-phase multiplier were determined. Results showed that the heat transfer coefficient increases with quality for two-phase flow for the range of Reynolds number and quality studied. The L-M parameter is inversely proportional to quality. The two-phase multiplier shows a decreasing trend with increase in L-M parameter as reported in literature, Salcuden et al. [1] From the correlation h1 = a NRem , the heat transfer coefficient for two-phase flow can be predicted using the Lockhart-Martinelli parameter - Quality correlation with an error of less than 12%.

Keywords: Heat transfer, Two-Phase multiplier, Tube heat exchanger

 
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