Journal of Thermodynamics / 2015 / Article / Tab 1

Research Article

The Influence of the Punched Delta Wings on Flow Pattern and Heat Transfer Characteristic in a Fin-and-Oval-Tube Heat Exchanger

Table 1

Parameters of the computational domains.

ParameterSymbol/unitValue

Channel height/mm3.2
Computational domain width/mm12.7
Computational domain length/mm64.4
Semimajor diameter of oval tube/mm6.28
Semiminor diameter of oval tube/mm3.77
Longitudinal tube pitch/mm22
Spanwise tube pitch/mm25.4
Fin thickness/mm0.33
Fin pitch/mm3.2
Number of tube rows3
Hydraulic diameter/mm3.63
Wall temperature/K300
Inlet temperatures of air/K340
Frontal velocity /m s−11.3–6.5

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