Chengzhi Hu
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射流冲击冷却过程的数值研究
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Indexed by:期刊论文

Date of Publication:2016-05-15

Journal:东北大学学报(自然科学版)

Included Journals:EI、PKU、ISTIC、CSCD、Scopus

Volume:37

Issue:5

Page Number:692-696

ISSN No.:1005-3026

Key Words:震荡冷却油腔;冲击射流;多相流;湍流模型;壁面函数

Abstract:由于冲击射流流场较为复杂,为准确描述其流动和换热过程,需要选择合适的湍流模型和壁面函数.分别采用κ-ε模型(Standard,RNG和Realizable)、κ-ω模型(Standard和SST)和低雷诺数模型(AB,AKN,CHC,YS,LB,LS和YS)进行对比计算.对于壁面区域,考察了标准壁面函数、尺度化壁面函数、非平衡壁面函数和增强型壁面函数的影响.探讨了速度场和湍动能场的分布规律,获得了与实验一致的结果,为今后活塞底部喷油冷却的数值模拟提供基础.

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Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

Gender:Male

Alma Mater:大连理工大学

Degree:Doctoral Degree

School/Department:能源与动力学院

Discipline:Energy and Environmental Engineering

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