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Chapter 18

Finite Control Volume Analysis

有限係数体積における質量保存
有限係数体積における質量保存
The continuity equation is derived from the principle that the mass within a system remains constant. To analyze fluid movement, we observe the mass ...
固定の非変形制御ボリュームにおける質量の保存
固定の非変形制御ボリュームにおける質量の保存
The principle of conservation of mass states that, within a fixed control volume, any change in mass over time must be balanced by the flow of mass across ...
移動非変形制御ボリュームにおける質量保存
移動非変形制御ボリュームにおける質量保存
The conservation of mass is crucial in understanding the water flow in a rotating sprinkler system used for agricultural irrigation. The sprinkler ...
制御ボリュームの線形運動量
制御ボリュームの線形運動量
Newton's second law for a fluid system states that the rate of change of linear momentum in a flow with respect to time is equal to the sum of the ...
線形運動量方程式の応用
線形運動量方程式の応用
Water is flowing through a horizontal, U-shaped pipe bend. The cross-sectional area of the flow is 0.01 square meters, and the magnitude of the flow ...
運動量モーメント方程式
運動量モーメント方程式
The moment-of-momentum equation analyzes the torque produced by the rotating blades of a wind turbine. The moment-of-momentum equation is found by ...
制御体積におけるエネルギー保存
制御体積におけるエネルギー保存
The first law of thermodynamics states that the rate of change of total stored energy in a system equals the net rate of heat and work transferred into a ...
エネルギー方程式の応用
エネルギー方程式の応用
If the flow rate of a centrifugal pump that applies a pressure of 7500 joules per second to lift water from a reservoir at a lower level to a reservoir at ...
設計例: 水門の力
設計例: 水門の力
A sluice gate is a vertical barrier that controls water flow in a channel. To calculate the forces acting on a sluice gate, consider water flowing under ...
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