壁面測壓孔 的英文怎麼說
中文拼音 [bìmiàncèyākǒng]
壁面測壓孔
英文
wall pressure hole-
When in experiment, the air was heated by the film heater installed on the above and below surface of channel, adopting various air velocity of flow, test import ' s and export ' s temperature, wall temperature, fluid flux and the drop of pressure, and the other parameter. adopting nu and nu0 to analyze the baffle ' s situation of heat transfer and fluid flow, which baffle was holed various diameters
實驗時,通過矩形通道上下壁面敷設的電加熱膜加熱通道空氣,改變空氣流速,測試不同工況時的進出口溫度、壁面溫度、流體流量和壓力損失等參數,並採用無量綱努謝爾特準則數nu 、 nu _ 0等分析了設置不同開孔折流板的換熱與流動情況。In order to execute this research, the experimental equipment that can fulfill the requirements of the regions of reynolds numbers in mte was built. two new measurement techniques, mini - size static pressure hole and mini - type pressure probe were presented
本文針對微型渦輪發動機流動問題研究的需要,發展了壁面微靜壓孔和微型單管總壓探針測量技術。It is stated systematically in the thesis the method ' s theories and measuring principle of all kinds of geostress determination technology. in particular the four methods recommended in 1987 by the committee of test method of the international society of rock mechanics, i. e. two over - coring methods of strain relief in boreholes, hydraulic fracturing method and stress furbish measurement which measures the surface stress
本文較為系統地、全面地介紹了當前國內外通用的各種地應力測量方法的理論、測量原理;特別就國際巖石力學學會試驗方法委員會於1987年推薦的4種地應力測定方法(鉆孔孔徑變形測量法、鉆孔孔壁應變測量法、水壓致裂法以及測量巖體表面應力的應力恢復測量法)作了較為詳細的敘述。
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