1 FLUID PROPERTIES(3学时)
【主要讲授内容及时间分配】
1.1 DEFINITION OF A FLUID(25分钟)
1.2 FORCE, MASS, LENGTH, AND TIME UNITS(20分钟)
1.3 VISCOSITY(15分钟)
1.4 CONTINUUM(30分钟)
1.5 DENSITY, SPECIFIC VOLUME, SPECIFIC WEIGHT, SPECIFIC GRAVITY, PRESSURE (90分钟)
1.7 BULK MODULUS OF ELASTICITY
1.8 VAPOR PRESSURE
【重点与难点】
1、重点:
Definition of fluid; Newton’s law of viscosity; Ideal fluid; International System of Units; The reason of fluid viscosity; Absolute and kinematic viscosity; Bulk modulus of elasticity; Cavitation.
2、难点:
Newton’s law of viscosity; Absolute and kinematic viscosity; Bulk modulus of elasticity.
【教学要求】
1、Master definition of fluid;
2、Master Newton’s law of viscosity;
3、Master Ideal fluid;
4、Master International System of Units;
5、Master the reason of fluid viscosity, absolute and kinematic viscosity;
6、Master bulk modulus of elasticity;
7、Master cavitation.
【实施方法】
课堂讲授,PPT 配合
2 FLUID STATICS(5学时)
【主要讲授内容及时间分配】
2.1 PRESSURE AT A POINT(25分钟)
2.2 BASIC EQUATION OF FLUID STATICS(20分钟)
2.3 UNITS AND SCALES OF PRESSURE MEASUREMENT(15分钟)
2.4 MANOMETERS(30分钟)
2.5 FORCES ON PLANE AREAS(90分钟)
【重点与难点】
1、重点:
Pressure at a point; Basic equation of fluid statics; Gage pressure, absolute pressure and negative suction vacuum; Pressure measurement; Manometers; Forces on plane areas, center of pressure, tensile stress in a pipe and spherical shell.
2、难点:
Basic equation of fluid statics; Gage pressure, absolute pressure and negative suction vacuum; Force center of pressure, tensile stress in a pipe and spherical shell.
【教学要求】
1、Master all direction of pressure at a point is equal;
2、Master basic equation of fluid statics;
3、Master gage pressure, absolute pressure and negative suction vacuum;
4、Master forces on horizontal surfaces;
5、Master center of pressure forces on inclined surfaces;
6、Master tensile stress in a pipe and spherical shell.
【实施方法】
课堂讲授,PPT 配合
3 FLUID-FLOW CONCEPTS AND BASIC EQUATIONS (8学时)
【主要讲授内容及时间分配】
3.1 FLOW CHARACTERISTICS; DEFINITIONS(25分钟)
3.2 THE CONCEPTS OF SYSTEM AND CONTROL VOLUME(25分钟)
3.3 APPLICATION OF THE CONTROL VOLUME TO CONTINUITY, ENERGY, AND MOMENTUM(15分钟)
3.4 CONTINUITY EQUATION(30分钟)
3.6 THE BERNOULLI EQUATION(90分钟)
3.7 REVERSIBILITY, IRREVERSIBILITY, AND LOSSES(90分钟)
3.10 APPLICATION OF THE ENERGY EQUATION TO STEADY FLUID-FLOW SITUATIONS (90分钟)
3.11 APPLICATIONS OF THE LINEAR-MOMENTUM EQUATION(90分钟)
【重点与难点】
1、重点:
Flow characteristics, flow definitions, turbulent flow and laminar flow, Steady flow and Uniform flow , streamline, stream tube ; C ontrol volume ; Continuity equation; Bernoulli equation, Kinetic-Energy correction factor; Linear-momentum equation, m omentum correction factor.
2、难点:
Turbulent flow and laminar flow, Steady flow; C ontrol volume; Continuity equation; Bernoulli equation; Kinetic-Energy correction factor; Linear-momentum equation, m omentum correction factor.
【教学要求】
1、Master turbulent flow and laminar flow, Steady flow and Uniform flow;
2、Master definition of streamline, stream tube;
3、Master definition of control volume;
4、Master continuity equation;
5、Master Bernoulli equation, Kinetic-Energy correction factor;
6、Master Linear-momentum equation, momentum correction factor.
【实施方法】
课堂讲授,PPT 配合
4 FLUID RESISTANCE(5学时)
【主要讲授内容及时间分配】
4.1 THE REYNOLDS NUMBER(25分钟)
4.2 LAMINAR, INCOMPRESSIBLE, STEADY FLOW BETWEEN PARALLEL PLATES (25分钟)
4.3 LAMINAR FLOW THROUGH CIRCULAR TUBES AND CIRCULAR ANNULI (15分钟)
4.6 RESISTANCE TO TURBULENT FLOW IN OPEN AND CLOSED CONDUITS(30分钟)
4.7 STEADY INCOMPRESSIBLE FLOW THROUGH SIMPLE PIPE SYSTEMS(90分钟)
【重点与难点】
1、重点:
Flow characteristics, flow definitions, turbulent flow and laminar flow, Steady flow and Uniform flow , streamline, stream tube ; C ontrol volume ; Continuity equation; Bernoulli equation, Kinetic-Energy correction factor; Linear-momentum equation, m omentum correction factor.
2、难点:
Turbulent flow and laminar flow, Steady flow; C ontrol volume; Continuity equation; Bernoulli equation; Kinetic-Energy correction factor; Linear-momentum equation, m omentum correction factor.
【教学要求】
1、Master turbulent flow and laminar flow, Steady flow and Uniform flow;
2、Master definition of streamline, stream tube;
3、Master definition of control volume;
4、Master continuity equation;
5、Master Bernoulli equation, Kinetic-Energy correction factor;
6、Master Linear-momentum equation, momentum correction factor.
【实施方法】
课堂讲授,PPT 配合
5 APPLICATIONS OF FLUID MECHANICS(3学时)
【主要讲授内容及时间分配】
5.1 ORIFICES(25分钟)
5.2 CAVITATION(25分钟)
5.3 WATERHAMMER(15分钟)
【重点与难点】
1、重点:
Orifice in a reservoir, losses in orifice flow; Cavitation; Description of the waterhammer phenomenon; Speed of a sound wave; The maximum pressure pulse.
2、难点:
Losses in orifice flow; Cavitation; The waterhammer phenomenon.
【教学要求】
1、Master turbulent flow and laminar flow, Steady flow and Uniform flow;
2、Master definition of streamline, stream tube;
3、Master definition of control volume;
4、Master continuity equation;
5、Master Bernoulli equation, Kinetic-Energy correction factor;
6、Master Linear-momentum equation, momentum correction factor.
【实施方法】
课堂讲授,PPT 配合