# VTU B.TECH Aeronautical-Engineering 2nd year SEMESTER – IV Syllabus For Turbomachines PDF 2022

### Get Complete Lecture Notes for Turbomachines on Cynohub APP

You will be able to find information about Turbomachines along with its Course Objectives and Course outcomes and also a list of textbook and reference books in this blog.You will get to learn a lot of new stuff and resolve a lot of questions you may have regarding Turbomachines after reading this blog. Turbomachines has 5 units altogether and you will be able to find notes for every unit on the CynoHub app. Turbomachines can be learnt easily as long as you have a well planned study schedule and practice all the previous question papers, which are also available on the CynoHub app.

All of the Topic and subtopics related to Turbomachines are mentioned below in detail. If you are having a hard time understanding Turbomachines or any other Engineering Subject of any semester or year then please watch the video lectures on the official CynoHub app as it has detailed explanations of each and every topic making your engineering experience easy and fun.

### Turbomachines Unit One

#### Module-1

Introduction to turbomachines: Classification and parts of a turbo machines; comparison with positive displacement machines; dimensionless parameters and their physical significance; specific speed; illustrative examples on dimensional analysis and model studies. Energy transfer in turbomachines: Basic Euler turbine equation and its alternate form; components of energy transfer; general expression for degree of reaction; construction of velocity triangles for different values of degree of reaction.

### Turbomachines Unit Two

#### Module-2

Compression process: Overall isentropic efficiency of compression; stage efficiency; comparison and relation between overall efficiency and stage efficiency; polytropic efficiency; pre heat factor. Expansion process: Overall isentropic efficiency for a turbine; stage efficiency for a turbine; comparison and relation between stage efficiency and overall efficiency, polytropic efficiency; reheat factor for expansion process.

### Turbomachines Unit Three

#### Module-3

Design and performance analysis of Centrifugal compressors: Types, design parameters, flow analysis in impeller blades, volutes and diffusers, losses, slip factor, characteristic curves, surging, choking. Construction details. Design and performance analysis of axial fans and compressors: Stage velocity diagrams, enthalpy-entropy diagrams, stage losses and efficiency, work done, simple stage design problems, performance characteristics, instability in axial compressors. Construction details.

### Turbomachines Unit Four

#### Module-4

Design and performance analysis of axial flow turbines: Turbine stage, work done, degree of reaction, losses and efficiency, flow passage; subsonic, transonic and supersonic turbines, multi-staging of turbine; exit flow conditions; turbine cooling Design and performance analysis of radial turbines:Thermodynamics and aerodynamics of radial turbines; radial turbine characteristics; losses and efficiency; design of radial turbine.

### Turbomachines Unit Five

#### Module-5

Hydraulic pumps: Centrifugal and axial pumps. Manometric head, suction head, delivery head; manometric efficiency, hydraulic efficiency, volumetric efficiency, overall efficiency; multi stage pumps. Characteristics of pumps. Hydraulic turbines: Classification; Module quantities; Pelton wheel, Francis turbine, Kaplan turbine and their velocity triangles. Draft tubes and their function. Characteristics of hydraulic turbines.

### Turbomachines Course Objectives

Understand the basics of turbomachines, the energy transfer and energy transformation in them. •Acquire the knowledge on design of centrifugal and axial turbomachines. •Study hydraulic pumps and turbines.

### Turbomachines Course Outcomes

At the end of the course the student will be able to:1.CO1: Compute the energy transfer and energy transformation in turbomachines. 2.CO2: Analyze the design of turbomachine blades. 3.CO3 : Apply hydraulic pumps and turbines for specific requirements

### Turbomachines Text Books

Turbines, Compressors & Fans-S.M. Yahya
Principles of Turbo Machinery-D.G. Shephered

### Turbomachines Reference Books

An introduction to Energy conversion, Volume III, Turbo machinery-V.Kadambi and Manohar Prasad
Turbomachines-Govinde Gowda and
Nagaraj
Fundamentals of Turbomachinery – B.K.Venkanna