JNTUK R20 B.Tech Mechanical 3-1 Thermal Engineering – II Material/ Notes PDF Download: JNTUK R20 B.Tech Mechanical 3-1 Thermal Engineering – II Material provides comprehensive study resources for students. It covers steam and gas power plant cycles, focusing on components, energy transfers, and performance evaluation.
With the JNTUK R20 B.Tech Mechanical 3-1 Thermal Engineering – II Notes, students learn about the basics of thermal engineering and gain insights into how steam and gas power plants operate. They can understand the processes involved in energy transfers and transformations within these plants, essential for their studies and future careers. The material is available for easy download in PDF format, making it convenient for students to access and study.
JNTUK R20 B.Tech Mechanical 3-1 Thermal Engineering – II Material – Units
| No. Of Units | Name of the Unit |
| Unit – 1 | Basic Concepts, Boilers |
| Unit – 2 | Steam Nozzles, Steam Turbines |
| Unit – 3 | Reaction Turbine, Steam Condensers |
| Unit – 4 | Compressors, Reciprocating, Rotary |
| Unit – 5 | Centrifugal Compressors, Axial Flow Compressors |
Unit 1 Syllabus PDF Download | JNTUK R20 B.Tech Mechanical Thermal Engineering – II Material
Basic Concepts: Rankine cycle – schematic layout, thermodynamic analysis, the concept of the mean temperature of heat addition, methods to improve cycle performance – regeneration & reheating. combustion: fuels and combustion, concepts of heat of reaction, adiabatic flame temperature, Stoichiometry, flue gas analysis.
Boilers: Classification – working principles of L.P & H.P boilers with sketches – mountings and accessories – working principles, boiler horsepower, equivalent evaporation, efficiency, and heat balance – draught, classification – the height of chimney for given draught and discharge, condition for maximum discharge, the efficiency of the chimney – artificial draught, induced and forced.
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Unit 2 Syllabus PDF Download | JNTUK R20 B.Tech Mechanical Thermal Engineering – II Material
Steam Nozzles: Function of a nozzle – applications – types, flow through nozzles, thermodynamic analysis – assumptions -velocity of the fluid at nozzle exit-Ideal and actual expansion in a nozzle, velocity coefficient, condition for maximum discharge, critical pressure ratio, criteria to decide nozzle shape: Super saturated flow, its effects, degree of supersaturation and degree of undercooling – Wilson line.
Steam Turbines: Classification – impulse turbine; mechanical details – velocity diagram – effect of friction – power developed, axial thrust, blade or diagram efficiency – condition for maximum efficiency. De-laval turbine – methods to reduce rotor speed-velocity compounding, pressure compounding, and velocity & pressure compounding, velocity, and pressure variation along the flow – combined velocity diagram for a velocity compounded impulse turbine, condition for maximum efficiency
| JNTUK R20 B.Tech Mechanical 3-1 Thermal Engineering – II Material – PDF Download | |
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Unit 3 Syllabus PDF Download | JNTUK R20 B.Tech Mechanical Thermal Engineering – II Material
Reaction Turbine: Mechanical details – principle of operation, thermodynamic analysis of a stage, degree of reaction –velocity diagram – Parson’s reaction turbine – condition for maximum efficiency – calculation of blade height.
Steam Condensers: Requirements of steam condensing plant – classification of condensers – working principle of different types – vacuum efficiency and condenser efficiency – air leakage, sources and its effects, air pump- cooling water requirement.
| JNTUK R20 B.Tech Mechanical 3-1 Thermal Engineering – II Material – PDF Download | |
| To Download The JNTUK R20 B.Tech Mechanical 3-1 Thermal Engineering – II Unit 3 Notes PDF | Download PDF |
Unit 4 Syllabus PDF Download | JNTUK R20 B.Tech Mechanical Thermal Engineering – II Material
Compressors: Classification – fan, blower, and compressor – positive displacement and non-positive displacement type – reciprocating and rotary types.
Reciprocating: Principle of operation, work required, Isothermal efficiency, volumetric efficiency and effect of clearance, multi-stage compression, saving of work, minimum work condition for two-stage compression.
Rotary: Roots Blower, vane sealed compressor, Lysholm compressor –mechanical details and principle of working – efficiency considerations.
| JNTUK R20 B.Tech Mechanical 3-1 Thermal Engineering – II Material – PDF Download | |
| To Download The JNTUK R20 B.Tech Mechanical 3-1 Thermal Engineering – II Unit 4 Notes PDF | Download PDF |
Unit 5 Syllabus PDF Download | JNTUK R20 B.Tech Mechanical Thermal Engineering – II Material
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 – Poly tropic efficiency.
| JNTUK R20 B.Tech Mechanical 3-1 Thermal Engineering – II Material – PDF Download | |
| To Download The JNTUK R20 B.Tech Mechanical 3-1 Thermal Engineering – II Unit 5 Notes PDF | Download PDF |
JNTUK R20 B.Tech Thermal Engineering – II Material – Outcomes
- Explain basic concepts of thermal engineering and boilers.
- Discuss concepts of steam nozzles and steam turbines.
- Learn about concepts of reaction turbines and steam condensers.
- Discuss concepts of reciprocating and rotary-type compressors.
- Acquire knowledge about centrifugal and axial flow compressors.
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