活塞内冷油腔两相流振荡可视化模拟

黄钰期,陈卓烈,胡军强,李梅,牛昊一

Visual simulation of two-phase flow oscillating flow in piston cooling gallery

Yu-qi HUANG,Zhuo-lie CHEN,Jun-qiang HU,Mei LI,Hao-yi NIU

表 2 当喷油流量为0.025 kg/s时甘油水溶液试验数据

Tab.2 Test data of glycerol aqueous solution with flow rate of 0.025 kg/s

序号 N/(r·min−1) $V$/mL ${t_0}$/s ${Q_{{\rm{out}}}}$/(mL·s−1) $\phi $/% $\overline \phi $/% 1 200 302 1.74 17.48 89.62 91.49 2 264 17.32 88.81 3 298 18.73 96.05 4 300 240 1.45 15.82 81.12 82.83 5 254 15.87 81.38 6 236 16.77 86.00 7 400 230 1.07 15.88 81.44 79.42 8 218 14.38 73.74 9 247 16.20 83.08 10 500 202 0 11.78 59.94 52.77 11 220 10.06 51.59 12 228 9.12 46.79 13 600 184 0 9.32 47.82 43.69 14 187 8.46 43.37 15 178 7.78 39.89