Simulation for Reliability of Pressured Gravity Water Transportation in Long Distance
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Tongji University

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TU991.1

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    Abstract:

    By studying the pressured gravity water transportation in long distance, a reliability model was proposed with the fulfillment of water demand (the ratio between water delivered and water demand) as the reliability (Re) quantitative index. A case study was made of the model in simulating the system reliability variety in different connection pipe distance(CPD) during failure states due to the unavailability of a pipe by taking into account the probability of the failure events. The result shows as the number of the connection pipes goes on, the system reliability begins to stabilize; with the same connection pipe distance, a longer transportation distance results in a lower system reliability and the reliability difference caused by transportation distance reduces with the decreasing of the connection pipe distance. Based on the above, the connection pipe distance was quantitatively calculated under the required reliability of the long distance pressured gravity water transfer system, then, the reference value of the connection pipe distance was proposed during different transportation distances, which provides the basis for improving the long distance water transportation.

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LI Cuimei, GAO Kuo, WANG Hao, CHEN Ji. Simulation for Reliability of Pressured Gravity Water Transportation in Long Distance[J].同济大学学报(自然科学版),2014,42(6):0930~0936

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History
  • Received:July 19,2013
  • Revised:March 01,2014
  • Adopted:October 30,2013
  • Online: June 16,2014
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