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The Study on Hydraulic Balancing Optimization of Fluid Pipeline Network

Author: DanLiJun
Tutor: ShenXinRong
School: Zhejiang University
Course: Fluid Mechanics
Keywords: Fluid pipe network Hydraulic balance Intelligent flow control valve Weighted flow area Model optimization Energy-saving
CLC: TV134
Type: Master's thesis
Year: 2010
Downloads: 82
Quote: 1
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Abstract


Hydraulic imbalance is a common problem in the the fluid pipe network system . Hydraulic balance in a variety of building the pipeline , industrial pipe network , which has a great significance . At present, the widespread use of hydraulic balance method , most of them dedicated to hydraulic balanced solution while ignoring the energy consumption of the system , does not meet the state to promote energy conservation , the requirements of building a low-carbon society . This paper proposes the use of a the fluid pipe network system optimization method , combined with intelligent flow valve and pump frequency two means in the pipe network system of water balance under the premise , to achieve low-power operation of the hydraulic system balancing scheme . The studies include: intelligent flow valve spool design method, proposed amendments to the weighted flow area calculation method , and using this method for design and development of new ring with baffle butterfly valve spool design process using CFD numerical means of simulation and experimental research , and ultimately won the spool structure with a linear flow characteristic ; intelligent flow valve for pipe network , the application of fluid mechanics and fluid network theory principle to build a model of the pipe network resistance , the use of linear programming the method of the optimization calculation , combined with the pump fitting characteristic curve , calculate the pump to optimize the operating frequency value , adjusting pipe network optimization . Also designed the experimental setup of the pipe network system , equipped with - series of high-precision laboratory equipment, to verify the feasibility and accuracy of the hydraulic balance . Experimental results show that the intelligent flow control valve with pump frequency can get a good energy saving effect has a significant value in engineering applications .

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CLC: > Industrial Technology > Hydraulic Engineering > The basic science of water resources project > Hydraulics > Pipeline Flow Mechanics
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