1. 哈尔滨工程大学动力与能源工程学院
2. 广岛大学
3. 江苏大学能源研究院
纸质出版:2026
移动端阅览
范立云, 张瀚文, 魏云鹏, 等. 基于PANS方法的喷油器喷嘴内涡旋空化流动特性模拟[J]. 内燃机学报, 2026,44(1):41-47.
范立云, 张瀚文, 魏云鹏, et al. 基于PANS方法的喷油器喷嘴内涡旋空化流动特性模拟[J]. 2026, 44(1): 41-47.
范立云, 张瀚文, 魏云鹏, 等. 基于PANS方法的喷油器喷嘴内涡旋空化流动特性模拟[J]. 内燃机学报, 2026,44(1):41-47. DOI: 10.16236/j.cnki.nrjxb.202601005.
范立云, 张瀚文, 魏云鹏, et al. 基于PANS方法的喷油器喷嘴内涡旋空化流动特性模拟[J]. 2026, 44(1): 41-47. DOI: 10.16236/j.cnki.nrjxb.202601005.
使用可靠的计算方法对喷油器喷嘴处的高雷诺数强湍流涡旋空化两相流动进行模拟,是高性能喷嘴结构设计的关键.采用一种在工业上被广泛应用的标准k-ε湍流模型基础上发展而来的部分平均Navier-Stokes(PANS)方法计算模型,结合流体体积法(VOF)多相流模型和Zwart-Gerbera-Belamri(ZGB)相变传质模型,对轨压为60 MPa、环境压力为0.101 MPa条件下的喷嘴内空化两相流动开展研究.对比采用Wall-adapting local eddy-viscosity(WALE)亚网格尺度模型的大涡模拟计算结果,评估了不同湍动能、湍流耗散分辨率参数(f
k
f
ε
)组合的PANS计算模型对于涡旋空化现象的预测能力.研究表明:f
k
越小,喷嘴内流体域物理场的计算越准确;f
k
=0.1 、 f
ε
=1.0的PANS计算模型具有求解复杂大尺度涡的能力,可以较好地解析喷油器喷嘴内非定常涡旋空化流动;f
k
>0.3时,对湍流的求解不准确,湍动能与湍流耗散发展更剧烈,从而导致涡结构失真,喷嘴内涡旋空化无法被准确计算.
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