臺灣博碩士論文加值系統

由於撒水頭放水壓力影響撒水頭的放水量，配管管徑、流速和供給撒水頭放水量決定該管段的摩擦損失。當逐層、逐區計算撒水管路系統時，多採取撒水頭放水壓力做為數學計算求解的初值，配合不同管段方向計算摩擦損失、位能差以求取各節點的壓力值。各節點利用有限差分法決定壓力值，再經過反覆計算後取得疊代計算之收斂值。為節省反覆數學運算所耗費的時間，本研究系統性比較AUTOCAD二次開發之疊代程式化水力計算工具與摩擦損失計算基準、海森威廉公式之計算結果。在確認疊代程式化工具效度以及適用於本研究議題後，針對某地上七層建築物進行個案分析。個案分析結果顯示，採用疊代水力計算程式進行逐層、逐區的管路計算和調整後，約可節省33,425 kg的鋼鐵及39,442 kg的二氧化碳排放量，減少率為24.35%。撒水系統以疊代計算法進行逐層、逐區的水力計算檢討時，有機會減少鋼材使用量、降低管材和管件成本、降低施工和操作空間需求以及二氧化碳排放量。具體來說，疊代程式化計算工具之應用，可為撒水管路系統設計帶來安全、經濟、環保方面的正向影響。

The sprinkler water release pressure affects its water release capacity and the pipe diameter, flow velocity and the supply of water release capacity of sprinkler determine the friction loss of this pipe section. When the sprinkling pipe system is calculated layer by layer and zone by zone, the water release pressure of sprinkler is often used as the initial value of mathematical calculation to gain the solution; in combination with the different pipe section directions, the friction loss and potential-energy difference are calculated to gain the pressure value of each node. For each node, finite difference method is applied to determine pressure value and then the convergency value of iterative computation is gained through repeated calculation. In order to save the time consumed by repeated mathematical calculation, this research systematically compared iterative programmed hydraulic calculation tool of AUTOCAD secondary development and the calculation standard of friction loss according to the calculation result of Hazen-Williams formula. After confirming the iterative programmed instrumental validity and its applicability to the topic of this research, the case study was conducted against the overground 7-story buildings. The case study results show that after iterative hydraulic calculation program is used to calculate and adjust the pipe layer by layer and zone by zone, about 33,425 kg steel can be saved and 39,442 kg carbon dioxide emissions are reduced and the reduction rate is 24.35%. In terms of sprinkling system, when the iterative calculation method is adopted to conduct hydraulic calculation and the review that layer by layer and zone by zone, it is possible to reduce usage amount of steel, lower the pipe materials and the cost of pipe fitting and lessen the demand for construction and operation space as well as the carbon dioxide emissions. To be specific, the application of iterative programmed calculation tool has the positive effect of the sprinkling pipe system design on its safety, economy and environmental protection.

中文摘要
ABSTRACT
目錄
圖目錄
表目錄
第一章 緒論
1.1 研究背景
1.2 動機及目的
第二章 理論分析與探討
2.1 自動撒水系統設計
2.2 自動撒水管路計算
2.3 電腦輔助計算工具
第三章 研究方法
3.1 研究流程
3.2 研究工具
3.2.1對稱管路
3.2.2非對稱管路
第四章 研究成果與討論
4.1 管路系統分析
4.1.1管徑對管路系統之影響
4.1.2高程對管路系統之影響
4.2 案例分析與探討
第五章 結論與建議
5.1 結論
5.2 未來建議
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