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A platform for research: civil engineering, architecture and urbanism
PIPELINE NETWORK ANALYSIS METHOD AND PIPELINE NETWORK ANALYSIS DEVICE
To provide a pipeline network analysis method capable of efficiently setting a C value of each pipeline constituting the pipeline network to an appropriate value.SOLUTION: The pipeline network analysis method comprises: a pipeline division processing step of grouping a pipeline based on a predetermined pipeline attribute; a specific water demand point setting step of setting a water demand point having a measured value of a pipeline network characteristic value as a specific water demand point; a flow coefficient temporary setting step of temporarily setting candidate values of a flow velocity coefficient of the same value for each group for each pipeline constituting a specific pipeline network that distributes water from a distribution reservoir to the specific water demand point; a hydraulic analysis step of repeating processing for executing hydraulic analysis on the specific pipeline network using the temporarily set flow velocity coefficient and calculating pipeline characteristic values, for all preset candidate values; and a flow velocity coefficient determination step of determining the flow velocity coefficient of the pipeline based on the candidate values of the flow velocity coefficient whose variation between a measured value and an analysis value falls within a predetermined allowable range, wherein a series of steps from the specific water demand point setting step to the flow velocity coefficient determination step is repeated for a plurality of water demand points.SELECTED DRAWING: Figure 6
【課題】管路網を構成する各管路のＣ値を効率的に適切な値に設定できる管路網解析方法を提供する。【解決手段】管路を所定の管路属性に基づいてグループ分割する管路分割処理ステップと、管路網特性値の実測値を有する水需要点を特定水需要点に設定する特定水需要点設定ステップと、配水池から特定水需要点に配水する特定管路網を構成する各管路に対してグループ毎に同じ値の流速係数の候補値を仮設定する流速係数仮設定ステップと、仮設定した流速係数を用いて特定管路網に水理解析を実行して管路網特性値を算出する処理を予め設定した全ての候補値に対して繰り返す水理解析ステップと、実測値と解析値とのばらつきが所定の許容範囲に収まる流速係数の候補値に基づいて、管路の流速係数を確定する流速係数確定ステップと、を含み、特定水需要点設定ステップから流速係数確定ステップまでの一連のステップを複数の水需要点に対して繰り返す。【選択図】図６
PIPELINE NETWORK ANALYSIS METHOD AND PIPELINE NETWORK ANALYSIS DEVICE
To provide a pipeline network analysis method capable of efficiently setting a C value of each pipeline constituting the pipeline network to an appropriate value.SOLUTION: The pipeline network analysis method comprises: a pipeline division processing step of grouping a pipeline based on a predetermined pipeline attribute; a specific water demand point setting step of setting a water demand point having a measured value of a pipeline network characteristic value as a specific water demand point; a flow coefficient temporary setting step of temporarily setting candidate values of a flow velocity coefficient of the same value for each group for each pipeline constituting a specific pipeline network that distributes water from a distribution reservoir to the specific water demand point; a hydraulic analysis step of repeating processing for executing hydraulic analysis on the specific pipeline network using the temporarily set flow velocity coefficient and calculating pipeline characteristic values, for all preset candidate values; and a flow velocity coefficient determination step of determining the flow velocity coefficient of the pipeline based on the candidate values of the flow velocity coefficient whose variation between a measured value and an analysis value falls within a predetermined allowable range, wherein a series of steps from the specific water demand point setting step to the flow velocity coefficient determination step is repeated for a plurality of water demand points.SELECTED DRAWING: Figure 6
【課題】管路網を構成する各管路のＣ値を効率的に適切な値に設定できる管路網解析方法を提供する。【解決手段】管路を所定の管路属性に基づいてグループ分割する管路分割処理ステップと、管路網特性値の実測値を有する水需要点を特定水需要点に設定する特定水需要点設定ステップと、配水池から特定水需要点に配水する特定管路網を構成する各管路に対してグループ毎に同じ値の流速係数の候補値を仮設定する流速係数仮設定ステップと、仮設定した流速係数を用いて特定管路網に水理解析を実行して管路網特性値を算出する処理を予め設定した全ての候補値に対して繰り返す水理解析ステップと、実測値と解析値とのばらつきが所定の許容範囲に収まる流速係数の候補値に基づいて、管路の流速係数を確定する流速係数確定ステップと、を含み、特定水需要点設定ステップから流速係数確定ステップまでの一連のステップを複数の水需要点に対して繰り返す。【選択図】図６
PIPELINE NETWORK ANALYSIS METHOD AND PIPELINE NETWORK ANALYSIS DEVICE
管路網解析方法および管路網解析装置
KATO MASAHIKO (author)
2022-06-21
Patent
Electronic Resource
Japanese
IPC:
E03B
Anlagen oder Verfahren zum Gewinnen, Sammeln oder Verteilen von Wasser
,
INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
PIPELINE NETWORK ANALYSIS METHOD AND PIPELINE NETWORK ANALYSIS PROGRAM
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PIPELINE NETWORK ANALYSIS METHOD AND PIPELINE NETWORK ANALYSIS PROGRAM
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Digital computers for pipeline network analysis
| Engineering Index Backfile | 1958
Pipeline network analysis by linearized simultaneous equations
| Engineering Index Backfile | 1967