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Decode Thermal Engineering - I for JNTU-H 18 Course (II - II - Mech. - ME403PC)

SKU: 9789389750614
Siddu Patil, Laxmikant D. Jathar, Dr. S. Ganesan ISBN 9789389750614 Buy E-book Buy Kindle Edition Buy Printed Book
₹ 250.00

UNIT - I I.C. Engines : Classification - Working principles of Four & Two stroke engine, SI & CI engines, Valve and Port Timing Diagrams, Air - Standard, air-fuel and actual cycles - Engine systems - Carburetor and Fuel Injection Systems for SI engines, Fuel injection systems for CI engines, Ignition, Cooling and Lubrication system, Fuel properties and Combustion Stoichiometry. (Chapter - 1) UNIT - II Normal Combustion and abnormal combustion in SI engines - Importance of flame speed and effect of engine variables - Abnormal combustion, pre - ignition and knocking in SI Engines - Fuel requirements and fuel rating, anti knock additives - combustion chamber - requirements, types of SI engines. Four stages of combustion in CI engines - Delay period and its importance - Effect of engine variables - Diesel Knock - Need for air movement, suction, compression and combustion induced turbulence in Diesel engine - open and divided combustion chambers and fuel injection - Diesel fuel requirements and fuel rating . (Chapter - 2) UNIT - III Testing and Performance : Parameters of performance - measurement of cylinder pressure, fuel consumption, air intake, exhaust gas composition, Brake power - Determination of frictional losses and indicated power - Performance test - Heat balance sheet and chart-Classification of compressors - Fans, blowers and compressors - positive displacement and dynamic types - reciprocating and rotary types. Reciprocating Compressors : Principle of operation, work required, Isothermal efficiency volumetric efficiency and effect of clearance volume, staged compression, under cooling, saving of work, minimum work condition for staged compression. (Chapter - 3) UNIT - IV Rotary Compressor (Positive displacement type) : Roots Blower, vane sealed compressor, Lysholm compressor - mechanical details and principle of working - efficiency considerations. Dynamic Compressors : Centrifugal compressors : Mechanical details and principle of operation - velocity and pressure variation. Energy transfer-impeller blade shape - losses, slip factor, power input factor, pressure coefficient and adiabatic coefficient - velocity diagrams - power. Axial Flow Compressors : Mechanical details and principle of operation - velocity triangles and energy transfer per stage degree of reaction, work done factor - isentropic efficiency - pressure rise calculations - Polytropic efficiency. (Chapter - 4) UNIT - V Gas Turbines : Simple Gas Turbine Plant - Ideal Cycle - Closed Cycle and Open Cycle for Gast Turbines, Constant Pressure Cycle, Constant Volume Cycle, Efficiency - Work Ratio and Optimum Pressure Ration for Simple Gas Turbine Cycle. Parameters of Performance, Actual Cycle, Regeneration, Intercooling and Reheating - Closed and Semi-Closed Cycle.(Chapter - 5)

UNIT - I I.C. Engines : Classification - Working principles of Four & Two stroke engine, SI & CI engines, Valve and Port Timing Diagrams, Air - Standard, air-fuel and actual cycles - Engine systems - Carburetor and Fuel Injection Systems for SI engines, Fuel injection systems for CI engines, Ignition, Cooling and Lubrication system, Fuel properties and Combustion Stoichiometry. (Chapter - 1) UNIT - II Normal Combustion and abnormal combustion in SI engines - Importance of flame speed and effect of engine variables - Abnormal combustion, pre - ignition and knocking in SI Engines - Fuel requirements and fuel rating, anti knock additives - combustion chamber - requirements, types of SI engines. Four stages of combustion in CI engines - Delay period and its importance - Effect of engine variables - Diesel Knock - Need for air movement, suction, compression and combustion induced turbulence in Diesel engine - open and divided combustion chambers and fuel injection - Diesel fuel requirements and fuel rating . (Chapter - 2) UNIT - III Testing and Performance : Parameters of performance - measurement of cylinder pressure, fuel consumption, air intake, exhaust gas composition, Brake power - Determination of frictional losses and indicated power - Performance test - Heat balance sheet and chart-Classification of compressors - Fans, blowers and compressors - positive displacement and dynamic types - reciprocating and rotary types. Reciprocating Compressors : Principle of operation, work required, Isothermal efficiency volumetric efficiency and effect of clearance volume, staged compression, under cooling, saving of work, minimum work condition for staged compression. (Chapter - 3) UNIT - IV Rotary Compressor (Positive displacement type) : Roots Blower, vane sealed compressor, Lysholm compressor - mechanical details and principle of working - efficiency considerations. Dynamic Compressors : Centrifugal compressors : Mechanical details and principle of operation - velocity and pressure variation. Energy transfer-impeller blade shape - losses, slip factor, power input factor, pressure coefficient and adiabatic coefficient - velocity diagrams - power. Axial Flow Compressors : Mechanical details and principle of operation - velocity triangles and energy transfer per stage degree of reaction, work done factor - isentropic efficiency - pressure rise calculations - Polytropic efficiency. (Chapter - 4) UNIT - V Gas Turbines : Simple Gas Turbine Plant - Ideal Cycle - Closed Cycle and Open Cycle for Gast Turbines, Constant Pressure Cycle, Constant Volume Cycle, Efficiency - Work Ratio and Optimum Pressure Ration for Simple Gas Turbine Cycle. Parameters of Performance, Actual Cycle, Regeneration, Intercooling and Reheating - Closed and Semi-Closed Cycle.(Chapter - 5)

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