汽车工程 ›› 2021, Vol. 43 ›› Issue (1): 34-43.doi: 10.19562/j.chinasae.qcgc.2021.01.005
毕玉华1,陈思吉1,姚国仲1(
),陈美园1,申立中1,夏开略2
收稿日期:2020-06-01
修回日期:2020-08-02
出版日期:2021-01-25
发布日期:2021-02-03
通讯作者:
姚国仲
E-mail:zhongyaoguo@163. com
基金资助:
Yuhua Bi1,Siji Chen1,Guozhong Yao1(
),Meiyuan Chen1,Lizhong Shen1,Kailue Xia2
Received:2020-06-01
Revised:2020-08-02
Online:2021-01-25
Published:2021-02-03
Contact:
Guozhong Yao
E-mail:zhongyaoguo@163. com
摘要:
对某一高压共轨柴油机的冷却液流动特性和缸盖、缸套关键点温度进行了台架测试,为热分析提供边界条件;建立了缸盖-缸套-冷却水-机体流固耦合模型,应用流-固耦合传热方法,研究了冷却液流动均匀性对缸套热变形的影响,并优化了机体分水孔和缸盖上水孔的流动特性。结果表明:优化后的水套,各缸冷却不均匀性系数平均减小了9.78%;缸盖水套最高温度下降了8.64%,缸套最高温度下降了2.03%,缸套热变形最大值减小了1.10%。
毕玉华,陈思吉,姚国仲,陈美园,申立中,夏开略. 冷却液流动均匀性对缸套热变形的影响研究[J]. 汽车工程, 2021, 43(1): 34-43.
Yuhua Bi,Siji Chen,Guozhong Yao,Meiyuan Chen,Lizhong Shen,Kailue Xia. Study on the Influence of Coolant Flow Uniformity on the Thermal Deformation of Cylinder Liner[J]. Automotive Engineering, 2021, 43(1): 34-43.
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