JNTUK B.Tech Thermal Engineering gives you detail information of Thermal Engineering R13 syllabus It will be help full to understand you complete curriculum of the year.
Objectives: To make the student learn and understand the reasons and affects of various losses that occur in the actual engine operation, and to make the student understand functioning of various systems of reciprocating and rotary compressors, gas turbines and concepts of jet Propulsion.
UNIT – I : Objectives: To make the student learn and understand the reasons and affects of various losses that occurs in the actual engine operation. And to make the student understand functioning of various components of IC Engines
Actual Cycles and their Analysis: Introduction, Comparison of Air Standard and Actual Cycles, Time Loss Factor, Heat Loss Factor, Exhaust Blowdown-Loss due to Gas exchange process, Volumetric Efficiency. Loss due to Rubbing Friction, Actual and Fuel-Air Cycles Of CI Engines.
I.C. ENGINES : Classification – Working principles, Valve and Port Timing Diagrams – Engine systems – Fuel, Carburetor, Fuel Injection System, Ignition, Cooling and Lubrication.
UNIT – II : Objectives: To make the student learn to perform testing on S.I and C.I Engines for the calculations of performance and emission parameters.
Testing and Performance of IC Engines: 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.
UNIT – III : Objectives: To make students learn about different types of compressors and to calculate power and efficiency of reciprocating compressors COMPRESSORS – Classification –positive displacement and roto dynamic machinery – Power producing and power absorbing machines, fan, blower and compressor – positive displacement and dynamic types – reciprocating and rotary types.
Reciprocating : Principle of operation, work required, Isothermal efficiency, volumetric efficiency and effect of clearance, stage compression, undercooling, saving of work, minimum work condition for stage compression.
UNIT IV : Objectives : To make students learn mechanical details, and to calculate power and efficiency of rotary compressors Rotary (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.
UNIT – V : Objectives: To make students learn mechanical details, cycles, and to calculate power and efficiency of gas turbines.
GAS TURBINES: Simple gas turbine plant – Ideal cycle, essential components – parameters of performance – actual cycle – regeneration, inter cooling and reheating –Closed and Semi-closed cycles – merits and demerits, Brief concepts about compressors, combustion chambers and turbines
of Gas Turbine Plant.
UNIT – VI : Objectives: To make students learn about jet propulsion & rockets and to calculate Thrust Power and Propulsion Efficiency.
JET PROPULSION: Principle of Operation –Classification of jet propulsive engines – Working Principles with schematic diagrams and representation on T-S diagram – Thrust, Thrust Power and Propulsion Efficiency – Turbo jet engines – Needs and Demands met by Turbo jet – Schematic Diagram, Thermodynamic Cycle, Performance Evaluation Thrust Augmentation – Methods.
ROCKETS: Application – Working Principle – Classification – Propellant Type – Thrust, Propulsive Efficiency – Specific Impulse – Solid and Liquid propellant Rocket Engines.
TEXT BOOKS
- I.C. Engines / V. GANESAN- TMH
- Thermal Engineering / Rajput / Lakshmi Publications.
- Gas Turbines / V. GANESAN- TMH
REFERENCES
- IC Engines – Mathur & Sharma – Dhanpath Rai & Sons.
- Engineering fundamentals of IC Engines – Pulkrabek / Pearson /PHI
- I.C. Engines / Haywood/ McGrawHill
- IC Engines/RK Rajput/Laxmi publications
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