Paper Information

Journal:   INTERNATIONAL JOURNAL OF ENGINEERING   SEPTEMBER 2003 , Volume 16 , Number 3 (TRANSACTIONS A: BASICS); Page(s) 217 To 232.
 
Paper: 

FULL ANALYSIS OF LOW FINNED TUBE HEAT EXCHANGERS

 
 
Author(s):  JAFARI NASR M.R., ZOUGHI A.T.
 
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Abstract: 
In this paper, first the governing parameters characterizing low-finned tubes are reviewed. Second, the more important of the available performance correlations are compared with the available experimental data. The most reliable one can be employed to develop a pressure drop relationship, which has already been used in an algorithm for exchanger sizing. Also a means for the identification of advantages of low-finned tube heat exchangers over plain tube units has been developed. It has been recognized that for low-finned tube units there are some potential benefits to place certain liquids, particularly with high viscosities, in the shell side of heat exchangers rather than the tube side. These benefits can be obtained in both reduction of surface area and the number of shells required for a given duty. They result in heat exchangers, which are more compact and are also easier to construct. The performance evaluation of low-finned units, in terms of area benefits is not discussed in this paper. However, the results of this study will complete the authors investigation for low-finned tubes heat exchangers.
 
Keyword(s): HEAT EXCHANGER, LOW-FINNED, PERFORMANCE CORRELATIONS, HEAT TRANSFER, SHELL AND TUBE, HEAT TRANSFER COEFFICIENT, FRICTION FACTOR
 
References: 
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