综述了铝质汽车热交换器的点蚀机理、影响因素以及铬酸盐缓蚀机制。
This paper describes the mechanisms and factors of pitting corrosion in automotive heat exchangers.
热质交换边界层的温度梯度小于纯对流热交换边界层的温度梯度；
The temperature gradient of the heating mass-exchange boundary layer is smaller than that of the pure convective heat-exchange boundary layer.
综述了铝质汽车热交换器的点蚀机理、影响因素以及铬酸盐缓蚀机制。
This paper describes the mechanisms and factors of pitting corrosion in automotive heat exchangers. In addition, the anticorrosive mechanism of chromate inhibitors is discussed.
本文首先从流体力学基本方程出发，分析了振荡脉冲射流对流体的热交换与质交换能力的促进作用。
The promotion effect of fluidic oscillating jet on heat transfer and mass transfer has been analysed from the point of View of fundamental equations of fluid mechanics, at beginning of the paper.
采用化学清洗板式热交换器时，要根据实际请况和水质的不同所结垢的垢质进行分析化验分别配制药剂清洗。
Using chemical cleaning, according to the different actual conditions and water quality, please scale scale by qualitative analysis assay preparation medicament cleaning, respectively.
采用化学清洗板式热交换器时，要根据实际请况和水质的不同所结垢的垢质进行分析化验分别配制药剂清洗。
Using chemical cleaning, according to the different actual conditions and water quality, please scale scale by qualitative analysis assay preparation medicament cleaning, respectively.
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