The experimental and analytical results show that the capability of scavenging the bottom-hole increases continuously as the ratio between diameters of nozzles and their number decrease.
实验和分析结果表明，随着喷咀直径比值的减小和喷咀数量的减少，井底净化能力不断提高。
2
The result shows that stratified scavenging reduces fuel loss during air exchange greatly lowing the fuel consumption rate and enlarging the air-fuel ratio range.