准则数 criterion number 全称“相似准则数”,简称“准则”或“数”。依据相似理论或量纲分析法导出,并由描...传热学中常用的准则数有努谢尔特准则Nu、雷诺准则Re、普朗特准则Pr、格拉晓夫准则Gr、斯坦顿准则St、傅立叶准则Fo和毕渥准则Bi等。
建议了区分小间距滞流区和强化区的准则数。
The criterion for distinguishing the two regions, i. e. stagnant air region and intensified region is suggested.
该模型试验以相似理论为基础，采用热量阿基米德数为相似准则数。
This model research is based on similarity theory and use number as similarity number;
建立了流动模型，提出了以无量纲准则数雷诺数为设计纤维液膜萃取分离器的准则。
A flow model was built. Moreover, based on the theoretical analysis, Renault number was proposed as the design principle dimensionless number for fiber film extractor design purpose.
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