HLP Type Hydraulic Oil Analysis for Meso-Scale Hole Measurement

Zhang Xiang; Hong Yang; Wang Guanglin; Shao Dongxiang; Sun Li
January 2016
Key Engineering Materials;2016, Vol. 667, p427
Academic Journal
HLP type hydraulic oil has wide application in aerospace field. The existing measurement method of Laval nozzle throat diameter efficiency is low, and has the potential to cut parts surface. Therefore, a non-contact throat diameter measuring method based on the hydraulic oil is proposed. Then the flow field is simulated, and measurement parameters are calculated. The flow field analysis results show that this method is suitable for measuring Laval nozzle throat diameter.


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