課程概述 |
課號:502 31010
班次:02
主授教授:伍次寅
學分: 3
課程名稱:流體力學(一)
教科書: `Fluid Mechanics` 5th ed. by F. M. White, McGraw-Hill, 2003
參考書: (1) `Introduction to Fluid Mechanics` 5th ed. by R. W. Fox and A. T. McDonald, Wiley, 1998.
(2) `Fundamentals of Fluid Mechanics` 4th ed. by B. R. Munson, D. F. Young, T. H. Okiishi, Wiley, 2002.
課程大綱:
1. Introduction:
concept of a fluid, dimensions and units, concept of a flow field (Eulerian vs. Lagrangian descriptions of flow), velocity and acceleration fields, kinematic properties of fluid, thermodynamic properties of fluid, viscosity and thermal conductivity, flow patterns (streamlines, path lines and streak lines), basic flow-analysis techniques
2. Fluid statics:
pressure and pressure gradient, hydrostatic, buoyancy and stability, pressure distribution in equilibrium
3. Control-volume analysis (integral analysis) of flow field:
control-mass and control-volume approaches, Reynolds transport theorem, conservation laws of fluid mechanics, Bernoulli equation
4. Differential analysis of flow field:
differential formulations of conservation laws, inviscid flow equations, viscous flow equations (Navier-Stokes equations), physical boundary conditions, stream function, vorticity and irrotationality, velocity potential, streamlines and potential lines
5. Potential flows (inviscid incompressible flows):
theory of potential flow, elementary plane-flow solutions, superposition of plane-flow solutions, plane-flow past a closed body, force and moment on the body, Kutta-Joukowski theorem, conformal mapping (complex potential) method for solving potential flows, axisymmetric potential flows
6. Dimensional analysis and similarity:
principle of dimensional homogeneity, non-dimensionalization and dimensionless parameters, the Buckingham Pi theorem, similarity and modelling
7. Boundary-layer flows:
boundary-layer theory, formulation of boundary-layer equations, the integral form of boundary-layer equations, boundary layer along a flat plate, boundary layers with pressure gradient
8. Incompressible viscous flows in ducts:
physical aspects of pipe flows, fully-developed laminar pipe-flow solutions, fully-developed turbulent pipe flows, Moody chart for pipe flows, major and minor (head) losses in pipe-flow system
9. Introduction to compressible flows:
sound speed, adiabatic and isentropic flows, isentropic flow with area changes, normal shock wave, converging-diverging nozzles
課程學習目標:
1. 瞭解流體基本特性以及「流場」之概念。
2. 熟習描述流場運動之方程式的推導,以及方程式中各項與各個無因次參數所代表之物理意義。
3. 學習分析流場的一些方法與技巧。
4. 訓練運用力學觀念來解釋一般流場中所觀察到的一些流體流動之物理現象。
5. 會將所學之流體靜力與動力觀念及方程式應用於解析與流力相關之基本工程問題。
6. 對流場之數值模擬計算與簡易之流力實驗有初步的認識。
成績評量方式:
1. 4次小考(含期末考) 總分約120
2. 作業(指定但不予評分)
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