Study on Setting of One-Way Surge Tank in Long Water Supply Engineering

2008 ◽  
Author(s):  
Jianyong Hu ◽  
Jian Zhang ◽  
Weihua Lu ◽  
Shibo Ma
Keyword(s):  
Numerical Simulation ◽  
Theoretical Analysis ◽  
Water Supply ◽  
Negative Pressure ◽  
Water Hammer ◽  
Surge Tank ◽  
Proper Place ◽  
Column Separation ◽  
Important Measure ◽  
Engineering Principle

One-way surge tank is an important measure of water hammer protection in long water supply engineering. It can control the negative pressure efficiently and prevent pipeline from column separation. Setting one-way surge tank in proper place along pipeline is relative to the safety of long water supply engineering. Principle of Setting one-way surge tank is made through theoretical analysis detailedly. It is obviously that result of theoretical analysis is conservative because attenuation of water hammer is ignored, but theoretical analysis provide an proper approach for setting one-way surge tank. Based on result of theoretical analysis, optimization setting is obtained through numerical simulation.

scholarly journals A study of the numerical simulation of water hammer with column separation and cavity collapse in pipelines

2017 ◽  
Vol 9 (9) ◽  
pp. 168781401771812 ◽  
Author(s):  
Enbin Liu ◽  
Dandan Wen ◽  
Shanbi Peng ◽  
Haiyang Sun ◽  
Yi Yang
Keyword(s):  
Numerical Simulation ◽  
Water Hammer ◽  
Cavity Collapse ◽  
Column Separation

scholarly journals Study on impedance size optimization of one way surge tank in long distance water suply system

2020 ◽  
Author(s):  
Xuyun Chen ◽  
Jian Zhang ◽  
Xiaodong Yu ◽  
Sheng Chen ◽  
Lin Shi
Keyword(s):  
Pressure Drop ◽  
Water Flow ◽  
Negative Pressure ◽  
Water Hammer ◽  
Diameter Ratio ◽  
Hole Diameter ◽  
Characteristic Line ◽  
Surge Tank ◽  
Long Distance ◽  
The One

Abstract The size of the impedance hole of the one-way surge tank will affect its protection against water hammer. In this paper, a mathematical model of one-way surge tank with impedance is established based on characteristic line method. The pressure-reducing penetration formula of one-way surge tank including impedance loss and the calculation formula of make-up water flow are deduced. Based on these formulas, the influence of impedance hole diameter ratio (ratio of impedance hole of one-way surge tank to diameter of water pipeline) on water hammer protection effect is analyzed, and the reasonable value range of impedance hole diameter ratio is given. The correctness of the theoretical analysis results is verified by an engineering example. The results show that the pressure and flow relationship derived from the formula are consistent with the numerical simulation results. The penetration pressure drop of the one-way surge tank is inversely proportional to the impedance size. When the impedance hole diameter ratio is less than 0.2, the penetration pressure drop will cause serious negative pressure. The make-up water flow is proportional to the size of the impedance hole, and the make-up water volume should be reduced while ensuring that the pipeline has no negative pressure.

Attenuation of pulsations in the reciprocating compressor piping system with an elbow-shaped surge tank

2018 ◽  
Vol 233 (5) ◽  
pp. 1677-1689
Author(s):  
Quyang Ma ◽  
Guoan Yang ◽  
Mengjun Li
Keyword(s):  
Mathematical Model ◽  
Theoretical Analysis ◽  
Frequency Analysis ◽  
Transfer Matrix Method ◽  
Piping System ◽  
Pulsation Frequency ◽  
Reciprocating Compressor ◽  
Pressure Pulsations ◽  
Surge Tank ◽  
The Mathematical Model

An elbow-shaped surge tank is proposed to suppress the pressure pulsations. The transfer matrix method was developed and the mathematical model was established to predict the distribution of pressure pulsations in the piping system (on which a surge tank was already installed) with an elbow-shaped surge tank. Simulation work of the whole piping system was performed. The results show that the elbow-shaped surge tank has good performance to attenuate the pressure pulsations. The frequency analysis shows that the amplitude for the first pulsation frequency is attenuated to a low level. The impulse response was analyzed to examine the efficiency of suppressing pulsations by using the suppressor. The theoretical analysis showed that there exists the optimal suppression performance when setting the distance between the elbow-shaped surge tank and the existing one. Meanwhile, modifying the ratio of length to diameter with a fixed surge volume could also impact the pressure pulsations. The analysis results can be used as a reference in designing and installing the elbow-shaped surge tank.

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