Progress in Analytical Modeling of Water Hammer

被引：15

作者：

Urbanowicz, Kamil ^{[1
]}

Jing, Haixiao ^{[2
]}

Bergant, Anton ^{[3
,4
]}

Stosiak, Michal ^{[5
]}

Lubecki, Marek ^{[5
]}

机构：

[1] West Pomeranian Univ Technol Szczecin, Fac Mech Engn & Mechatron, Al Piastow 17, PL-70886 Szczecin, Poland

[2] Xian Univ Technol, State Key Lab Ecohydraul Northwest Arid Reg, Xian 710048, Peoples R China

[3] Litostroj Power Doo, Fac Mech Engn, Ljubljana 1000, Slovenia

[4] Univ Ljubljana, Ljubljana 1000, Slovenia

[5] Wroclaw Univ Sci & Technol, Fac Mech Engn, PL-50370 Wroclaw, Poland

来源：

JOURNAL OF FLUIDS ENGINEERING-TRANSACTIONS OF THE ASME | 2023年 / 145卷 / 08期

关键词：

WALL SHEAR-STRESS; PIPE-FLOW; STEP RESPONSES; BLOOD HAMMER; FRICTION; LIQUID; LINES; SIMULATION;

D O I：

10.1115/1.4062290

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Analytical formulas for laminar water hammer in horizontal pipes were extended and simplified into a compact mathematical form based on dimensionless parameters: dimensionless time, water hammer number, etc. Detailed treatment of turbulent water hammer analytical solutions is beyond the scope of this paper. In the Muto and Takahashi solution, novel Laplace and time domain formulas for flow velocity and wall shear stress were developed. A series of comparative studies of unified analytical solutions with numerical solutions and the results of measurements were carried out. The study shows that models that account for the frequency-dependent nature of hydraulic resistance agree very well with experimental results over a wide range of water hammer numbers Wh, particularly when Wh = 0.1.

引用

页数：12

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