ELEMENTS OF MECHANICAL ENGINEERING VTU（机械工程VTU的元素）.pdfVIP

ELEMENTS OF MECHANICAL ENGINEERING Sub Code : 14 EME 14/14 EME 24 IA Marks: 25 Hrs/ Week : 04 Exam Hours : 03 Total Hrs : 52 Exam Marks : 100 Unit-I Fuels and Steam Fuels: Properties of fuels, fuel combustion, air-fuel ratio, products of combustion, calorific value Solid fuels-wood, coal; Liquid fuels-petrol, diesel, alcohol; gaseous fuels-natural gas, coal gas, coke oven gas, producer gas, blast furnace gas, sewer gas natural gas, coal gas, Advantages and of Liquid Fuels over Solid Fuels, Advantages and Disadvantages of Gaseous Fuels Over Liquid Fuels. [No numerical ]. Steam formation: Types of steam. Steam properties- Specific Volume, Enthalpy and Internal energy, [Simple numericals on properties of steam]. Steam boilers: classification, Lancashire boiler, Babcock and Wilcox boiler, boiler mountings and accessories. (No sketches for mountings and accessories) 12 Hours Unit II Turbines and IC Engines Steam turbines – Classification, Principle of operation of Impulse and reaction turbines, Delaval’s turbine, Parson’s turbine. (No compounding of turbines). Gas turbines: Classification, Working principles and Operations of Open cycle and closed cycle gas turbines. Water turbines- Classification, Principles and operations of Pelton wheel, Francis turbine and Kaplan turbine Internal Combustion Engines Classification, I.C. Engines parts, 2 Stroke and 4 stroke