JP4383295B2 - 管路の水理的重要度の評価方法 - Google Patents
管路の水理的重要度の評価方法 Download PDFInfo
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- JP4383295B2 JP4383295B2 JP2004264767A JP2004264767A JP4383295B2 JP 4383295 B2 JP4383295 B2 JP 4383295B2 JP 2004264767 A JP2004264767 A JP 2004264767A JP 2004264767 A JP2004264767 A JP 2004264767A JP 4383295 B2 JP4383295 B2 JP 4383295B2
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- 238000011156 evaluation Methods 0.000 title claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 45
- 238000004458 analytical method Methods 0.000 claims description 11
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Description
節点圧力変化率は、各節点において想定する節点取り出し水量、および水理解析によって算出する、全ての管路が非閉止状態にある各節点の非閉止時節点有効水頭と、評価対象管路を閉止した閉止状態における各節点の閉止時節点有効水頭とに基づき求めるもので、
各節点ごとに、非閉止時節点有効水頭から閉止時節点有効水頭を減算して節点有効水頭変化量を求め、この節点有効水頭変化量を非閉止時節点有効水頭で除算して有効水頭変化率を求め、この有効水頭変化率に節点取り出し水量を乗算することで重要度の重み付けを行い、全ての節点における重み付け後の有効水頭変化率の総和値を求め、この総和値を全ての節点における節点取り出し水量の総和である全取り出し水量で除算した値を節点圧力変化率とするものである。
k1〜k5 管路
Claims (1)
- 管網の構成要件をなす水源、節点、節点間および節点と水源の間を結ぶ管路とからなる管網モデルにおいて、評価対象管路の閉止に起因する節点圧力変化率を求め、節点圧力変化率が大きいほどに評価対象管路の水理的重要度が大きいと評価するものであり、
節点圧力変化率は、各節点において想定する節点取り出し水量、および水理解析によって算出する、全ての管路が非閉止状態にある各節点の非閉止時節点有効水頭と、評価対象管路を閉止した閉止状態における各節点の閉止時節点有効水頭とに基づき求めるもので、
各節点ごとに、非閉止時節点有効水頭から閉止時節点有効水頭を減算して節点有効水頭変化量を求め、この節点有効水頭変化量を非閉止時節点有効水頭で除算して有効水頭変化率を求め、この有効水頭変化率に節点取り出し水量を乗算することで重要度の重み付けを行い、全ての節点における重み付け後の有効水頭変化率の総和値を求め、この総和値を全ての節点における節点取り出し水量の総和である全取り出し水量で除算した値を節点圧力変化率とすることを特徴とする管路の水理的重要度の評価方法。
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JP4383295B2 true JP4383295B2 (ja) | 2009-12-16 |
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Families Citing this family (4)
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CN109115394A (zh) * | 2018-06-29 | 2019-01-01 | 南京中高知识产权股份有限公司 | 一种城市管网模拟系统 |
CN111177873B (zh) * | 2019-10-11 | 2024-03-08 | 东南大学 | 一种供水管网可靠性模型的建模方法 |
JP7455054B2 (ja) | 2020-12-18 | 2024-03-25 | 株式会社管総研 | 管路の機能評価方法および管路の設計方法 |
CN115456432A (zh) * | 2022-09-20 | 2022-12-09 | 厦门市政水务集团有限公司 | 供水管道重要性评估方法及计算机可读存储介质 |
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JP2886022B2 (ja) * | 1993-03-24 | 1999-04-26 | 株式会社クボタ | 管網解析データ生成方法 |
JP3534526B2 (ja) * | 1996-03-22 | 2004-06-07 | 株式会社クボタ | ネットワークの機能評価方法及びその装置 |
JP3263303B2 (ja) * | 1996-03-22 | 2002-03-04 | 株式会社クボタ | ネットワークの機能管理方法 |
JP4309023B2 (ja) * | 2000-05-22 | 2009-08-05 | 株式会社管総研 | 主幹線探索システム |
JP4308641B2 (ja) * | 2003-12-19 | 2009-08-05 | 株式会社クボタ | 管路の評価方法 |
JP4312059B2 (ja) * | 2004-01-15 | 2009-08-12 | 株式会社クボタ | 管路の評価方法 |
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