In this article we will discuss about:- 1. Meaning of Compressor 2. Classification of Compressors 3. Performance Characteristics 4. Limitations. Meaning of Compressor: Compressor is a device which compresses air/gases or vapours from low pressure to high pressure. It needs external energy input in the form of work. Out of the total work input to […]
Compressor: Meaning, Classification, Performance Characteristics & Limitations | Thermodynamics
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Centrifugal Compressors: Construction, Principle, Work Requirement & Losses | Thermodynamics
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In this article we will discus about:- 1. Construction and Principle of Operation of Centrifugal Compressor 2. Velocity Diagrams of a Centrifugal Compressor 3. Work Requirement (Euler’s Work) 4. Slip Factor 5. Pressure Ratio of Compression 6. Influence of Impeller Blade Geometry 7. Influence of Compressor Geometry on the Performance 8. Pre-Whir 9. Losses. Contents: […]
Steam Turbine Governing System : 5 Methods | Thermodynamics
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The function of a governor is to control the fluctuation of speed of a prime mover within the prescribed limits with the variation of loads on it. In case of steam turbines when it is connected to drive an alternator for converting its mechanical energy into electrical energy, device is used to vary the turbine […]
Steam Turbine Types: Simple Impulse, Reaction & Impulse Reaction Turbine
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In this article we will discuss about:- 1. Simple Impulse Turbine 2. Reaction Turbine 3. Impulse Reaction Turbine. Simple Impulse Turbine: The impulse turbine depends completely upon the dynamic action of the steam. The direction of motion of the steam is changed as it passes across the blade. As a result of change of direction […]
Steam Engine: Meaning, Function, Efficiencies and Governing | Thermodynamics
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In this article we will discuss about:- 1. Meaning 2. Steam Engine Parts and Their Function 3. Working 4. Indicator Diagram 5. Indicated Power (I.P.) 6. Efficiencies 7. Steam Consumption 8. Governing. Contents: Meaning of Steam Engine Steam Engine Parts and Their Function Working of a Steam Engine Indicator Diagram of Steam Engines Indicated Power […]
Compound Steam Engines: Classification, Advantages and Disadvantages | Thermodynamics
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In this article we will discuss about:- 1. Introduction to Compound Steam Engines 2. Classification of Compound Steam Engines 3. Intermediate Pressure 4. Advantages and Disadvantages. Introduction to Compound Steam Engines: Nowadays high pressure steam from the high pressure boilers is generally used for power generation purpose because- 1. It gives higher cycle efficiency 2. […]
Steam Turbine Lecture Notes| Thermodynamics
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Compilation of lecture notes on ‘Steam Turbines’ for engineering students. Lecture Note # 1. Optimum Operating Conditions: Lecture Note # 2. Blade Height of Turbine: For impulse turbine the blade height at a particular section of a turbine will be function of mass flow rate (m), specific volume (v), area (A), and velocity of steam Let, […]
Internal Combustion (IC) Engines: Working, Parts, Efficiency & Performance
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In this article we will discuss about:- 1. Classification of IC Engines 2. Working of an IC Engine 3. Parts 4. Combustion 5. Performance. Internal combustion engines or IC engines are extensively used in automobiles, locomotives, marine application, power generation etc. Here the working media is hot and high pressure products of combustion of air […]
Testing and Performance of Internal Combustion (IC) Engines | Devices | Thermodynamics
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On the basis of the actual data available for the engine working, we can find the ideal cycle work and its efficiency. The actual work produced or developed in the engine cylinder will be less than the ideal work calculated from the ideal cycle. The amount of actual work obtained depends upon where it is […]
Condensers: Necessity, Classification, Sources of Air, Vacuum, Dalton’s Law, Efficiency and Functions
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In this article we will discuss about:- 1. Introduction- Necessity of Condensers 2. Classification of Steam Condensers 3. Sources of Air 4. Condenser Vacuum 5. Dalton’s Law of Partial Pressure 6. Vacuum Efficiency 7. Condenser Efficiency 8. Cooling Water Requirements 9. Capacity of Air Extraction Pumps 10. Function of Cooling Towers. Contents: Introduction- Necessity of […]