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VTU eNotes On Turbo Machines (Mechanical Engineering)

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Product Specifications

Publisher VTU eLearning
Author: Panel Of Experts
Number of Pages 148
Available in all digital devices
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Definition of a Turbomachine parts of a Turbomachine Comparison with positive
displacement machine Classification Application of First and Second Laws to Turbomachines, Efficiencies. Dimensionless parameters and their physical significance Effect of Reynolds number Specific speed Illustrative examples on dimensional analysis and model studies. 6 Hours
Euler Turbine equation Alternate form of Euler
turbine equation components of energy transfer Degree of reaction General analysis of a Turbo machine effect of blade discharge angle on energy transfer and degree of reaction General analysis of centrifugal pumps and compressors Effect of blade discharge angle on performance Theoretical head capacity relationship 6 Hours
UNIT 3 GENERAL ANALYSIS OF TURBO MACHINES Axial flow compressors and pumps general expression for degree of reaction velocity triangles for different values of degree of reaction General analysis of axial and radial flow turbines Utilization factor Vane efficiency Relation between utilization factor and degree of reaction condition for maximum utilization factor optimum blade speed ratio for different types of turbines 7 Hours
UNIT 4 THERMODYNAMICS OF FLUID FLOW AND THERMODYNAMIC ANALYSIS OF COMPRESSION AND EXPANSION PROCESSES Sonic velocity and Mach number Classification of fluid flow based on Mach number Stagnation and static properties and their relations Compression process Overall isentropic efficiency of compression Stage efficiency Comparison and relation between overall efficiency and stage efficiency Polytrophic efficiency Preheat factor, Expansion Process Overall isentropic efficiency for a turbine Stage efficiency for a turbine Comparison and relation between stage efficiency and overall efficiency for expansion process, polytrophic efficiency of expansion Reheat factor for expansion process. 7 Hours
Classification Expression for overall pressure ratio developed
Blade angles at impeller eye root and eye tip Slip factor and power input factor width of the impeller channel Compressibility effect need for pre-whirl vanes Diffuser design Flow in the vaneless space, determination of diffuser inlet vane angle, width and length of the diffuser passages Surging of centrifugal compressors
AXIAL FLOW COMPRESSORS Classification Expression for Pressure ratio developed per stage work done factor, radial equilibrium conditions.