水力学a 课程教学大纲（Syllabus of hydraulics a course）

1、水力学a 课程教学大纲（Syllabus of hydraulics a course）Documents from the network, I collected, finishing, and if there are omissions, errors, but also please correct me!Syllabus of hydraulics A coursecurriculumNameEnglish: Hydraulics ACurriculumNumbering0210010English: HydraulicsapplymajorWater conservancy, h

2、ydrology, agriculture, water, navigation and navigationTraining levelUndergraduate four yearssemesterFifth termtotal hoursEightycredit5 pointsTeaching and research sectionhydraulicsDural the ConveyancerImplicitDong Po sunTitleprofessorprofessorFirst, the nature of the course, teaching purposes and r

3、equirements:Hydraulics is a compulsory major basic course for water conservancy, hydrology, water resources, agriculture, water and soil, ports, waterways and coastal engineeringThrough this course, make students master the basic concepts of water movement, the basic theories and analysis methods, u

4、nderstand the characteristics of different flow, the professional common hydraulic calculation based society, engaged in professional and technical work to lay a certain learning professional courses,The following basic requirements should be met through the study of the basic contents listed in the

5、 syllabus:1, understand the basic concepts, such as hydraulic viscosity, laminar flow and turbulent flow, jet and flow, Reynolds number and Fo Rude number2, master the total flow analysis method and continuity equation, energy equation, momentum equation, can use the three equations to solve the hyd

6、raulic problems in practical engineering3, skilled in the identification of flow pattern, correctly understand the causes of water head loss, grasp the change law of hydraulic friction coefficient along the path, and master the calculation of head loss and local head loss4, flow analysis, grasp the

7、calculation method of common hydraulic engineering, including hydrostatic pressure calculation and hydraulic load, pipelines, and other open channel flow and the flow capacity building section size determination, flow and fire facilities design calculation, water hammer calculation and seepageTwo, t

8、eaching content:(1) Introduction1, hydraulics tasks, the role and research methods in the profession2, the basic characteristics of liquids and the main physical and mechanical properties3. Newtons law of internal friction and coefficient of viscosity4 concepts of continuous media, ideal liquids, an

9、d practical liquids5. Act on two fluid forces: mass force and surface force(two) hydrostatic1 hydrostatic pressure and its two characteristics2, liquid equilibrium differential equations and their integral, isobaric surface and isobaric surface equation3. The basic equation of hydrostatic pressure u

10、nder gravity and its application4, the geometric meaning and energy significance of the basic equation of hydrostatic pressure: position head, pressure head and head of measuring pipe5, the expression and measurement of hydrostatic pressure, absolute pressure, relative pressure and vacuum6. The dist

11、ribution of hydrostatic pressure and the calculation of the total hydrostatic pressure on the plane7, the decomposition and calculation of the total hydrostatic pressure on the surface, the composition of the pressure body and the direction of the forceCalculation of relative balance and pressure of

12、 liquid under the action of 8 and two mass forces(three) motion analysis of constant total flow1, describe the two methods of liquid movement, Lagrange method and Euler methodThe classification and basic concept of 2, liquid motion, steady and unsteady flow, uniform and non-uniform flow, gradient fl

13、ow and blast flow, total flow, streamline and trace element flow, mean flow velocity and cross section, a two yuan yuan flow, flow, flow of three yuan3. The total flow continuity equation of a constant incompressible fluid and its application4, the energy equation of the flow and the total flow, the

14、 use of notes and geometric significance5, the application of constant total flow energy equation6, the constant total flow momentum equation, cautions and application examples7, * dimensional analysis, the basic content and method of the theorem of PI(four) liquid flow pattern and head loss;1, the

15、nature and classification of head loss2. The relation between the loss of uniform flow and flow resistance, and the basic formula for calculating the head loss - Darcys formula is given3, the two types of actual liquid movement: formation and discrimination of laminar and turbulent flowThe physical

16、meaning of Reynolds number4. Flow velocity distribution and water head loss calculation of laminar flow over the cross section of a circular tubeRelationship between hydraulic friction coefficient and Reynolds number5, the characteristics of turbulence and the generation of additional shear stress,

17、the concept of viscous bottom layer in turbulent flow, the flow cross section, velocity distribution6 、 Nicola Azee experiment and the variation law and calculation of hydraulic friction coefficient along the path7. Empirical formulas for calculating head loss along the slope - Xie Qi formula, Manni

18、ng formula and roughness coefficient8. Characteristics and calculation of local head loss(five) pressure pipe flow;1, the characteristics and classification of pressure pipeline flow2 、 simple pipeline hydraulic design calculation and pipe water head line drawing3. Hydraulic design calculation of co

19、mplex pipelines (Series pipes, parallel pipes, * bifurcated pipes and along discharge pipes)(six) open channel flow;1. Characteristics and classification of open channel flow, hydraulic elements of open channel section2. Characteristics and conditions of uniform flow in open channel, basic formula o

20、f uniform flow in open channel3. Determination of hydraulic optimum section, allowable flow velocity and roughness4, normal water depth and open channel uniform flow force design calculation5, the flow characteristics of non-uniform gradual flow of open channel, three kinds of motion states of open

21、channel flow and their discrimination, the physical meaning of Froude number6, section energy, critical water depth, critical bottom slope concept, change law and calculation1. The way of flow connection and energy dissipation downstream of drainage structureCan fire 2, hydraulic calculation to dete

22、rmine the underflow stilling pool, depth and length3. Introduce the design and calculation of hydraulic energy dissipation(eight) liquid flow field theory1, particle motion acceleration and motion of the basic form, there are swirling and non swirling (there are)Concept and discrimination of potenti

23、al flow2 、 continuity equation of three dimensional flow7, two kinds of open channel uniform flow phenomenon blast: water and water jump down8. Differential equations of unsteady unsteady flow in open channel. Analysis and connection of water channel curve of prism open channel9. The water surface c

24、urve of open channel unsteady uniform gradual flow is calculated by trial and error method10. Characteristics and motion analysis of bend flow11, hydraulic jump equation and conjugate depth calculation, the water level of the prism open channel and long jump energy loss calculation(seven) hydraulic

25、design calculation of over current buildings;1, the characteristics of weir outflow are distinguished, and the type and basic formula of weir flow are presented2, hydraulic calculation of thin weir, practical weir and wide crested weir, and determination of curve shape of practical weir3. The basic

26、formula of sluice outlet flow and hydraulic design calculation4. The way of flow connection and energy dissipation downstream of hydraulic structures5, can the hydraulic design of stilling pool bottom, determine the depth and length of the6. Introduce the design of hydraulic energy dissipation(eight

27、) unsteady flow in a pressurized pipe1. Water hammer wave propagation and water hammer classification2, water hammer wave velocity and direct water hammer calculation, indirect water hammer calculation introduced(nine) seepage theory1 、 seepage basic concept and seepage model2, Darcys law and its ap

28、plication condition, permeability coefficient3, under the uniform and non-uniform seepage channel seepage formula - Dolby formula4. The calculation formula of * wellThree hours allocationAccording to the training objectives and curriculum system of the major, the total hours of hydraulics are 80 hou

29、rs, of which 68 hours are taught in class and 12 hours in experimental trainingThe allocation of hours in each chapter is shown in Table 1Table 1 allocation of hours in classSerial numberContentHours in classLecturesExperimentOneIntroductionTwoTwoHydrostaticEightThreeFlow beam theory of liquid motio

30、nEightSixFourLiquid flow pattern and head lossTenFourFiveSteady flow in a pressure pipeFourSixsteady uniform flow in open channelFourSevenUniform unsteady flow of open channelTenZero point fiveEightHydraulic jumpTwoZero point fiveNineWeir flow and gate flowSevenZeroFiveTenFlow convergence and energy

31、 dissipation downstream of a drainage structureFiveZero point fiveElevenUnsteady flow in a pressure pipeTwoTwelveSeepageTwoTotalSixty-eightTwelveFour, relevant instructions:(1) materials and reference books are selected for the course1. Selection of teaching materials: hydraulics, edited by Wu Gang,

32、 Sichuan University, higher education press, 2003, Third Edition2, recommended reference book:(1) Dong Zengnan of Tsinghua University, Yu tsuneaki editor of hydraulics upper and lower volumes, higher education press, 1995(2) Xu Zhengfan, editor in chief of Wuhan University, hydraulics, higher educat

33、ion press, 1993(3) hydraulics problem solving instruction and problem sets prepared by hydraulics Department of Dalian Institute of technology. Higher education press, 1984, Second Edition(two) the relation and division of labor between the course and other coursesThe first courses of this course ar

34、e advanced mathematics, theoretical mechanics and material mechanics. The mechanics of materials should be arranged in the first semester of hydraulicsThis student of calculus, partial derivative, differential equation, momentum theorem and kinetic energy theorem, Darren Bells law, fluid physical pr

35、operties, stress and strain, inertia moment, area moment content has certain basis, it can be directly used to analyze hydraulic problemsThis course will lay the foundation for subsequent specialized coursesProblems such as indirect water hammer, hydraulic calculation, earth dam seepage, etc., which

36、 will be discussed in the major courses, will not be discussed in detail in this courseHydraulics is a basic course of technology. It should be contacted with professionals. However, it is necessary to analyze the phenomena of water flow, introduce basic theories and design calculation methods, and

37、should not overemphasize the needs of specialized subjects and weaken the teaching of basic principles(three) the content, depth and breadth of each chapterIn this syllabus, those who take * may arrange or not speak according to the circumstances1, introductionThe main physical properties of the liq

38、uid is the key, which is mainly viscosity and Newton inner friction law; understanding the concept of continuous medium and ideal liquid2. HydrostaticThe emphasis of this chapter is the calculation of the midpoint pressure in the water, and the calculation of the total hydrostatic pressure on the pl

39、ane and surfaceUnderstanding the fluid balance differential equation, integral equation about form, should pay attention to establish conditions and physical meaning; expressed in units and measurement methods to grasp the head, vacuum isobaric concept and pressure, can draw the hydrostatic pressure

40、 distribution and pressure body figure, mastery of planar and curved surface on the total hydrostatic pressure, and can determine the total pressure, know the relative concept of balance3. Flow beam theory of liquid motionThis chapter is the important theoretical basis of hydraulics. The continuity

41、equation, energy equation and momentum equation of the constant total flow are the key points of the course. The conditions, the physics significance and the function of the permeability equation are discussedDescribe the two methods on liquid motion Euler method, master the basic concept and classi

42、fication of liquid motion, to emphasize the energy equation, momentum equation and solving the application condition and scope of the matters needing attention, and through the application examples from the equationThe importance of head loss in the application of energy equationUnderstand the conce

43、pt of head line, total head line and hydraulic gradient of piezometric pipe, and the relation between pipe head, velocity, head and total head of threeIntroduce the basic concept of dimension and understand the principle of dimensional harmony4, liquid flow pattern and head lossIt is the focus of th

44、is chapter that the characteristics and discrimination of laminar flow and turbulent flow, the variation of resistance coefficient along the path and the calculation of water head lossTo understand the causes of turbulence and hydraulic, hydraulic rough, smooth viscous sublayer physical concept, bri

45、ef mixing length theory, to understand and grasp the qualitative causes of friction coefficient in different flow area changes and head lossMaster pattern discrimination, understand the physical meaning of the Reynolds number, to understand the stress and velocity distribution of turbulent flow and

46、laminar flow, skilled application of Darcy Weisbach equation and the experience of the Chezy formula and Maning formula to calculate the head loss along the way to calculate the local head loss controlThe connection between the characteristics of turbulent boundary and the coefficient of resistance

47、along the path should be handled well5. Constant flow in a pressure pipeThis chapter focuses on the concept of long tube and short pipe, hydraulic calculation of simple pipeline and drawing of water head lineUnderstand the classification of pipeline flow, master hydraulic pipeline simple calculation

48、, including Hong Straw and pump hydraulic design, understand the complex pipeline hydraulic calculation method, drawing can test the tube head line and the head line6. Constant uniform flow of open channelThe emphasis of this chapter is on the calculation of uniform flow in open channelsTo understan

49、d the characteristics and classification of open channel, mechanical nature and conditions of understanding of open channel flow, understand the best hydraulic channel section and allowable velocity concept, the correct choice of roughness, grasp the open channel uniform flow hydraulic calculation a

50、nd channel design method7. Unsteady flow of open channelMaster the discriminant open channel flow three flow patterns, understand the changes to section, grasp the critical depth (rectangular) calculation of the master curve of water channel qualitative analysis, calculation methods and steps of qua

51、ntitative understanding, understand the characteristics of bend flowThe analysis and calculation of water surface curve of non-uniform flow in open channel is the focus of this chapter. The analysis of open channel water surface curve is the difficult point in this chapter8, water jumpUnderstand the

52、 phenomena and characteristics of hydraulic jump, understand the mechanism of water jump and energy dissipation, and grasp the hydraulic calculation of hydraulic jump of rectangular flat channel9, weir flow and outlet flowThis chapter focuses on the calculation of the overflow capacity of the weirUn

53、derstand the characteristics and differences of weir flow and sluice hole outflow, understand the type of weir flow, master hydraulic calculation of weir flow and sluice hole outflow, and understand the design of curve type practical weir section10. Flow connection and energy dissipation downstream

54、of drainage structureThe focus of this chapter is the underflow energy dissipation design calculationUnderstand the engineering common energy dissipation, can master the hydraulic design calculation of stilling pool fire underflow, determine the length and depth of theUnderstand the basic principle

55、of flip flow energy dissipation, and understand the calculation method of parameters related to flow and energy dissipation11. Unsteady flow in a pressure pipeTo understand the water hammer propagation and water hammer classification, simple water hammer pressure is calculated and the type of water

56、hammer is correctly defined, and engineering measures to reduce water hammer pressure are understood12 seepageDarcys law and Dolby formula are the main points of this chapterTo understand the condition of establishing seepage characteristics and seepage flow model, seepage control of Darcys law and its application scope, method for determination of permeability coefficient of understanding, understand the difference formula of Dolby and Darcys law, grasp the uniform seepage calculation, non understa