LP ME FluidMach

Lecture Plan-1

Faculty:- Semester: - V Class:- M.E. Course Code:- ME 305 E Subject:- Fluid Machines Unit:-

S. No. Topic :- Syllabus Time Allotted:-

1. Introduction Introduction to subject, books to be referred, syllabus content

2 Division of the Topic Importance of the subject is told Different units of the subject is discussed in brief Books to be referred were told Self introduction is given Introduction of students Teaching methodology of DCE is explained

3. Conclusion Students will be introduced to the subject and made aware of the syllabus they are going to study

4 Question / Answer

5 Min 35 Min 5 Min 5 Min

Assignment to be given:- Reference Readings:-

1. Fluid Mechanics & Fluid Power Engg by D.S.Kumar 2. Hydraulics and Fluid Mechanics by Modi & Seth, 3. Hydraulic Machines by Jagdish lal

Doc. No.: DCE/0/15 Revision : 00

Lecture Plan-2

Faculty:- Semester:- V Class:- M.E. Course Code:- ME 305 E Subject:- Fluid Machines Unit:- I

S. No. Topic :-Impact of jets Time Allotted:-

1. Introduction About impulse- momentum equation

2 Division of the Topic Impulse –momentum principle, jet impingement – on a stationary flat plate, inclined plate and hinged plate

3. Conclusion Above topics will be discussed

4 Question / Answer Impulse –momentum principle?





Lecture Plan-3

Faculty:- Semester: - V Class:- M.E. Course Code:- ME 305 E

Subject:- Fluid Machines Unit:-I

S. No. Topic :- Impact of jets Time Allotted:-

1. Introduction Impulse momentum principle

2 Division of the Topic Jet impingement – at the center of stationery vane, on a moving flat plate, inclined plate


4 Question / Answer Expression for force exerted by a jet on a moving plate?



1. Fluid Mechanics & Fluid Power Engg by D.S.Kumar


2. Hydraulics and Fluid Mechanics by Modi & Seth, 3. Hydraulic Machines by Jagdish lal

Lecture Plan-4

Faculty:- Semester: - V Class:- M.E. Course Code:- ME 305 E Subject:- Fluid Machines Unit:-I


1. Introduction About vane, moving and series of vane

2 Division of the Topic Jet impingement in moving vane and series of vanes


4 Question / Answer Differentiate between force exerted by a jet of water on a fixed vertical and moving vertical plate?





Lecture Plan-5



1. Introduction About Velocity diagrams

2 Division of the Topic Jet striking tangentially at the tip of a stationary vane and moving vane


4 Question / Answer Expression for efficiency of a series of moving curved vane when a jet of water strikes the vanes at one of its tips?





Lecture Plan-6



1. Introduction About propulsion

2 Division of the Topic Jet propulsion of ships


4 Question / Answer Describe jet propulsion of ships?


Assignment to be given:- 1)Obtain a expression for the force exerted by a jet of water on a fixed vertical plate in the direction of the jet? 2) Define the terms impact of jets and jet propulsion? 3) Find the expression for efficiency of a series of moving curved vane when a jet of water strikes the vanes at one of its tips? Reference Readings:-


Lecture Plan-7



Faculty:- Semester: - V Class:- M.E. Course Code:- ME 305 E Subject:- Fluid Machines Unit:-II

S. No. Topic :- Impulse turbines Time Allotted:-

1. Introduction About turbines, classification Difference between impulse and reaction turbine

2 Division of the Topic Impulse turbines- classification- impulse reaction turbines, water wheels, component parts, construction operation and governing mechanism of a Pelton wheel


4 Question / Answer Difference between impulse and reaction turbine?




Lecture Plan-8

Faculty:- Semester: - V Class:- M.E. Course Code:- ME 305 E


Subject:- Fluid Machines Unit:-II


1. Introduction Conditions where Pelton wheel is used

2 Division of the Topic Work done, effective head ,available head and efficiency of a Pelton wheel,


4 Question / Answer Effective head?




Lecture Plan-9



1. Introduction About designing of buckets and its shape

2 Division of the Topic Design aspects, speed ratio, flow ratio, jet ratio


4 Question / Answer Jet ratio? speed ratio?, flow ratio?




Lecture Plan-10





1. Introduction About working conditions of turbines

2 Division of the Topic Number of buckets and working proportions


4 Question / Answer Factor deciding use of Kaplan, Francis or Pelton wheel in a hydro electric plant?




Lecture Plan-11



1. Introduction About governing of turbines

2 Division of the Topic performance characteristics , governing of impulse turbines


4 Question / Answer Governing?


Assignment to be given:-1) Differentiate between impulse and reaction turbine? 2) What is the basis of selection of a turbine at a particular place? 3) Obtain the expression for the work done per second by water on the runner of a Pelton wheel. Hence derive an expression for maximum efficiency of the Pelton wheel giving the relationship between jet speed and bucket speed? Reference Readings:-



Lecture Plan-12

Faculty:- Semester: - V Class:- M.E. Course Code:- ME 305 E Subject:- Fluid Machines Unit:-III

S. No. Topic :- Francis turbines Time Allotted:-

1. Introduction About reaction turbine and its classification

2 Division of the Topic Francis turbines: component parts, construction and operation of a Francis turbine, governing mechanism


4 Question / Answer Difference between impulse and reaction turbine?





Lecture Plan-13



1. Introduction Conditions where Francis turbine is employed

2 Division of the Topic Work done by the turbine runner, working proportion and design parameters


4 Question / Answer Basis of selection of Francis turbine?





Lecture Plan-14



1. Introduction About runners

2 Division of the Topic Slow medium and fast runners, degree of reaction


4 Question / Answer Define degree of reaction?





Lecture Plan-15



1. Introduction About inward and outward flow reaction turbine

2 Division of the Topic inward flow reaction turbines- performance characteristics


4 Question / Answer Difference between inward and outward reaction turbine?





Lecture Plan-16


I


1. Introduction Outward flow reaction turbine

2 Division of the Topic Outward flow reaction turbines- performance characteristics


4 Question / Answer Difference between inward and outward flow reaction turbine?


Assignment to be given:- 1) Draw neat sketch of the Pelton turbine and Francis turbine? 2) Differentiate between inward and outward flow reaction turbines? 3) What is meant by degree of reaction? What is the basis of selection of a turbine at a particular place? Reference Readings:-



Lecture Plan-17

Faculty:- Semester: - V Class:- M.E. Course Code:- ME 305 E Subject:- Fluid Machines Unit:-IV

S. No. Topic :- Propeller and Kaplan turbines Time Allotted:-

1. Introduction About axial flow reaction turbine

2 Division of the Topic Propeller and Kaplan turbines- component parts, construction and operation of a propeller & Kaplan turbine


4 Question / Answer Difference between propeller and Kaplan turbine?





Lecture Plan-18



1. Introduction About draft tube and its use

2 Division of the Topic Differences between the Francis and Kaplan turbines, draft tube- its function and different forms


4 Question / Answer Difference between Francis and Kaplan turbine? What is meant by draft tube?





Lecture Plan-19



1. Introduction About governing of reaction turbines

2 Division of the Topic Performance characteristics, governing of reaction turbines,


4 Question / Answer What is meant by governing of turbines? Name the important types of characteristic curves?





Lecture Plan-20



1. Introduction About modern turbines

2 Division of the Topic diagonal, bulb, tubular turbines


4 Question / Answer Working of tubular turbines?


Assignment to be given: - 1) What is a draft tube? Why is it used in reaction turbine and describe with sketch two different types of draft tubes? 2) Differentiate between a) axial and radial flow turbine b) Kaplan and propeller turbine c) inward and outward flow reaction turbine? Reference Readings:-



Lecture Plan-21

Faculty:- Semester: - V Class:- M.E. Course Code:- ME 305 E Subject:- Fluid Machines Unit:-V

S. No. Topic :- Dimensional analysis and model similitude Time Allotted:-

1. Introduction Importance of dimensional analysis

2 Division of the Topic Dimensional homogeneity, Rayleigh method


4 Question / Answer Explain the term dimensionally homogeneous equation?





Lecture Plan-22



1. Introduction Importance of Buckingham method

2 Division of the Topic Buckingham pi theorem


4 Question / Answer Why Buckingham method is superior to Raleigh method?





Lecture Plan-23



1. Introduction Introduction to model analysis

2 Division of the Topic Model studies and similitude, Dimensionless numbers and their significance


4 Question / Answer What is meant by geometric, kinematic, dynamic similarities? Define and explain Reynolds number, Froude’s number, Mach number?





Lecture Plan-24



1. Introduction About Unit quantities

2 Division of the Topic Specific speed Model relationships for turbine


4 Question / Answer Define the terms model, prototype, model analysis? Define specific speed?





Lecture Plan-25


S. No. Topic :- Cavitation Time Allotted:-

1. Introduction About cavitation

2 Division of the Topic Scale effect, cavitations- its causes harmful effects and prevention, Thomas cavitation factor, permissible installation height


4 Question / Answer Cavitation? Its effects? And precautions?


Assignment to be given: - 1) Define cavitation? What are the effects of cavitation? Give the necessary precautions against cavitations? 2) Describe the Rayleigh’s method and Buckingham pi theorem method for dimensional analysis? 3) Define hydraulic similitude and dimensionless numbers? Reference Readings:-



Lecture Plan-26

Faculty:- Semester: - V Class:- M.E. Course Code:- ME 305 E Subject:- Fluid Machines Unit:-VI

S. No. Topic :- Centrifugal pumps Time Allotted:-

1. Introduction About pumps and its classification

2 Division of the Topic Centrifugal pumps- classification ,velocity vector diagrams and work done


4 Question / Answer Define centrifugal pump? Differentiate between volute casing and vortex casing for the centrifugal pump?





Lecture Plan-27



1. Introduction About heads and efficiencies of centrifugal pump

2 Division of the Topic Suction , static, delivery and manometric head Efficiencies of centrifugal pump- manometric efficiency ,M.E. and overall efficiency, vane shape, head capacity relationship and pump losses


4 Question / Answer Explain the following terms a) suction head b) delivery head c) static head d) manometric head e) manometric efficiency f) Mechanical efficiency





Lecture Plan-28



1. Introduction About priming and its necessity

2 Division of the Topic Pressure rise in impeller, minimum starting speed, design considerations


4 Question / Answer What is priming? Why is it necessary? Obtain an expression for the minimum starting speed of a centrifugal pump?




Lecture Plan-29





1. Introduction Use of multi-staging a pump

2 Division of the Topic Multistage pumps, similarity relations and specific speed, net positive suction head


4 Question / Answer Define specific speed? How does the specific speed of turbine differ from that of centrifugal pump? State the significance of similarity relations? Use of multi staging?




Lecture Plan-30


Faculty:- Semester: - V Class:- M.E. Course Code:- ME 305 E Subject:- Fluid Machines Unit:- VI

VI


1. Introduction About characteristic curves for a pump

2 Division of the Topic Cavitation and maximum suction lift, performance characteristics


4 Question / Answer Cavitation? Its effects? And precautions? Draw and discuss the performance characteristics of centrifugal pump?




Lecture Plan-31




1. Introduction About modern pumps

2 Division of the Topic axial flow pump mixed flow pump submersible pump


4 Question / Answer Working of axial and submersible pumps?


Assignment to be given:- 1) With a neat sketch explain the principle and working of a centrifugal pump? 2) What do you understand from the performance characteristics of a pump? Give its significance? 3) What is priming and why is it necessary? 4) Define cavitation? What are the effects of cavitation? Give the necessary precautions against cavitations? 5) Define specific speed of centrifugal pump. Derive an expression for the same? Reference Readings: -


Lecture Plan-32

Faculty:- Semester: - V Class:- M.E. Course Code:- ME 305 E Subject: - Fluid Machines Unit:-VII

S. No. Topic :- Reciprocating pumps Time Allotted:-

1. Introduction About reciprocating pumps, classification

2 Division of the Topic construction and operational details, discharge coefficient, volumetric efficiency and slip , work and power input


4 Question / Answer What is a reciprocating pump? Differentiate single acting reciprocating pump and double acting reciprocating pump? Differentiate turbine and pumps? Define slip?




Doc. No.: DCE/0/15 Revision: 00

Lecture Plan-33

Faculty:- Semester: - V Class:- M.E. Course Code:- ME 305 E Subject:- Fluid Machines Unit:-VII


1. Introduction About Indicator diagram

2 Division of the Topic Effect of acceleration and friction on indicator Diagram(pressure- stroke length plot), separation


4 Question / Answer Define indicator diagram? What is the effect of acceleration in suction and delivery pipes on indicator diagram?





Lecture Plan-34



1. Introduction About air vessels

2 Division of the Topic air vessels and their utility, rate of flow into or from the air vessel


4 Question / Answer What is an air vessel? Describe the function of air vessel for reciprocating pumps?





Lecture Plan-35



1. Introduction About maximum speed of a reciprocating pump

2 Division of the Topic Maximum speed during suction and delivery stroke, characteristics curves, centrifugal Vs reciprocating pumps


4 Question / Answer Difference between centrifugal and reciprocating pumps? Why is reciprocating pump not coupled directly to the motor? Discuss.





Lecture Plan-36



1. Introduction Brief introduction to modern pumps

2 Division of the Topic screw ,gear ,vane, radial & piston pumps


4 Question / Answer Working of screw and gear pump?


Assignment to be given: - 1) Derive an expression for head lost due to friction in the delivery pipe of a reciprocating pump with and without air vessel? 2) Define slip, percentage slip and negative slip of a reciprocating pump? 3) What is the effect of acceleration of the piston on the velocity and acceleration of the water in suction & delivery pipes? Obtain an expression for pressure head due to acceleration in the suction & delivery pipes? Reference Readings: -



Lecture Plan-37

Faculty:- Semester: - V Class:- M.E. Course Code:- ME 305 E Subject: - Fluid Machines Unit:-VIII

S. No. Topic :- Hydraulic systems Time Allotted:-

1. Introduction Hydraulic systems

2 Division of the Topic Function, construction and operation of- hydraulic accumulator, hydraulic crane


4 Question / Answer Explain the term hydraulic devices? Name any five hydraulic devices? Define hydraulic accumulator?


Assignment to be given:-

Reference Readings:- 1. Fluid Mechanics & Fluid Power Engg by D.S.Kumar 2. Hydraulics and Fluid Mechanics by Modi & Seth, 3. Hydraulic Machines by Jagdish lal


Lecture Plan-38

Faculty:- Semester: - V Class:- M.E. Course Code:- ME 305 E Subject:- Fluid Machines Unit:-VIII



2 Division of the Topic Function, construction and operation of hydraulic lift, hydraulic press


4 Question / Answer Working of hydraulic lift? Principle of hydraulic press?





Lecture Plan-39

Faculty:- Semester: - V Class:- M.E. Course Code:- ME 305 E Subject:- Fluid Machines Unit:-VIII



2 Division of the Topic Function, construction and operation of fluid coupling & torque converter, hydraulic ram


4 Question / Answer Difference between fluid coupling and fluid torque converter?


Assignment to be given:-1) Explain with the help of neat sketch, the principle and working of following

Hydraulic devices a) hydraulic crane b) hydraulic coupling c) hydraulic converter d) Hydraulic press e) hydraulic accumulator? 2) Differentiate between hydraulic ram and centrifugal pump? 3) Obtain expression for efficiency of hydraulic ram?

Reference Readings:- 1. Fluid Mechanics & Fluid Power Engg by D.S.Kumar 2. Hydraulics and Fluid Mechanics by Modi & Seth, 3. Hydraulic Machines by Jagdish lal


Documents

LP ME FluidMach