Numerical Simulation on Flow Field and Design Optimization of a Generator Unit Based on Computational Fluid Dynamics Analysis

Table 1

Air quantity evaluation for the optimized silent type generator unit.

Designs	Total mass of air (kg/s)	Middle air inlet (kg/s)	Left air inlet (kg/s)	Right air inlet (kg/s)	Motor area (kg/s)	Radiator (kg/s)	Air quantity improvement of radiator (%)
Origin	3.202	3.017	1.792	0.614	0.611	0.598	7.31
Opt1	3.202	2.261	0.459	0.482	0.602	2.585	7.31
Opt2	3.279	1.644	0.776	0.859	0.603	2.705	12.29
Opt3	4.677	2.444	0.806	0.822	0.605	3.477	44.33