Cylindrical orifice testing in laminar flow with the orifice diameter ratio β=0.5

被引：0
|
作者：
Golijanek-Jedrzejczyk, Anna [1 ]
Mrowiec, Andrzej [2 ]
机构：
[1] Gdansk Univ Technol, Fac Elect & Control Engn, PL-80233 Gdansk, Poland
[2] Calisia Univ, Polytech Fac, PL-62800 Kalisz, Poland
来源：
SCIENTIFIC REPORTS | 2023年 / 13卷 / 01期
关键词：
PLATE;
D O I：
10.1038/s41598-023-42451-0
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The paper presents the results of an experimental study of a cylindrical orifice with the orifice diameter ratio beta = 0.5 and the flow opening length-to-diameter ratio L/d = 1, with hydraulic oil flowing in the DN50 measuring channel. The measurements of the values characterising the oil flow were made in the laminar flow regime, for the Reynolds numbers ranging between Re = 100 to 950. Based on the experimental tests, standard flow characteristics were created for four kinematic viscosity values in the range of 13.4-33.3 cSt, for which the average value of the discharge coefficient C in the tested flow rate range of q(v) < 0.5 dm(3)/s was determined.
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页数：8
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