橫웨어의 流出特性에 관한 實驗的 硏究 = (An) experimental study on the over flow characteristics in side weir

국문 초록 (Abstract)

橫越流웨어에 있어 水面形의 變化를 여러學者들의 實驗式으로부터 證明해온 過程에서 에너지 방정식과 운동량방정식을 使用하여 水面勾配를 誘導하고 主水路의 實測한 水面形과 數値積分으로 計算된 水面形과 橫越流웨어에 있어서 流出된 流量을 De Marchi의 實驗公式 및 이도오(伊藤)公式으로 流量係數를 比較 檢討한 結果 다음과 같다.
1. 橫越流 Weir 구간인 主水路의 中央에서 實測한 水面曲線과 數値積分으로 구한 水面曲線은 거의 일치되었다.
2. 主水路의 흐름이 常流일때 流量係數 C의 값은 이도오(伊藤)의 式이나De Marchi 의 式에서 거의 같은 값으로 나타났다.
3. 越流水深과 越流 Weir길이의 비와 越流量 Q₁은 서로 비례하였으며 越流水頭h가 크면 流量係數C도 增加되었다.

다국어 초록 (Multilingual Abstract)

To sound Over flow from side weir placed in the side the open-channel and Water surface condition of main open-channel this writer manufactured a model and made an experiment.
Here, water surface condition, which was sounded on the main open channel and was numerically intergrated by the theoritical water surface condition equation.
Also, the value of discharge Coeffieint C on the sounded over flow of Side weir was studied by the methoeds of De Marchi's equation and I Do's equation.
The results were Summarized as follows.
1. The sounded water surface curve in the center of main open-channel in the Section of side weir and the water surface curve which investigated by numerical intergration were almost Coincide.
2. In Subcritical flow, the value of discharge Coefficient C is almost Coincide which I. Do's equation and De Marchi's equation.
3. The ratio of over flow depth to over flow weir length and discharge (Q₁)were proportioned with each other, and the more an over flow head (h) was, the more a discharge coefficient(c) increased.

목차 (Table of Contents)

• 목차
• I. 序論 = 3
• II. 橫越流 Weir의 흐름의 解析 = 4
• 2-1 運動量 原理에 의한 水面方程式 = 4
• 2-2 Energy 原理에 의한 水面方程式 = 7
• 2-3 橫越流 Weir의 越流量公式 = 9
• 2-4 數値積分法 = 10
• III. 實驗裝置 및 實驗結果 = 12
• 3-1 實驗裝置 = 12
• 3-2 實驗結果 = 14
• 3-3 主水路의 水面曲線 = 17
• 3-4 考察 = 22
• IV. 結論 = 24