@Article{hmt.15.13,
AUTHOR = {Amnart Boonloi, Withada Jedsadaratanachai},
TITLE = {LAMINAR FORCED CONVECTION AND PERFORMANCE  EVALUATION IN A SQUARE DUCT HEAT EXCHANGER PLACED  WITH WAVY THIN RIB},
JOURNAL = {Frontiers in Heat and Mass Transfer},
VOLUME = {15},
YEAR = {2020},
NUMBER = {1},
PAGES = {1--15},
URL = {http://www.techscience.com/fhmt/v15n1/52906},
ISSN = {2151-8629},
ABSTRACT = {Simulated examinations on convective heat transfer and flow topology in a square duct heat exchanger placed with wavy thin rib (WTR) are 
presented. The influences of WTR heights, pitch distances and flow directions on flow and heat transfer characteristics are investigated for the 
laminar flow regime at the inlet condition (Re = 100 – 2000). The finite volume method (SIMPLE algorithm) is picked to analyze the numerical 
problem. The numerical validations; grid independence and verification of the smooth duct, are presented. The simulated results of the heat 
exchanger duct placed with WTR are reported in terms of flow and heat transfer visualizations. The relations of the Nu/Nu0, f/f0 and TEF with Re 
and P/H in the heat exchanger square duct inserted with WTR are also plotted. The numerical result reveals that the heat transfer and friction loss 
increase when augmenting the Reynolds number and WTR height. The optimum pitch spacing ratio may give the highest heat transfer rate and 
thermal performance.},
DOI = {10.5098/hmt.15.13}
}