The vapor compression cycle explained is the most common type of system used in refrigeration and air conditioning. Aug 15, 20 this video is an animation of how the refrigeration cycle works, with each components function. Refrigeration systems refer to the different physical components that make up the total refrigeration unit. Pdf design of refrigeration system using refrigerant r4a for. In this component, the refrigerant starts as a cold, twophase substance part liquid, part.
Pdf design of refrigeration system using refrigerant r4a. Vapor compression refrigeration system basic, working. Refrigeration system components evaporator condenser receiver. The most common refrigeration system in use today involves the input of work from a compressor and uses the vapor compression cycle. Refrigeration cycle animation vapor compression cycle explained. A thermodynamic refrigeration cycle removes heat from a lowtemperature object refrigeration and rejects it at a higher temperature. Energy analysis example assignment plan for the next class. It is intended that this chapter be used as a general reference source and that in all cases, recommended practices issued by equipment manufacturers and suppliers take precedence over these. The above figure shows the objectives of refrigerators and heat pumps.
Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. It is also used in domestic and commercial refrigerators, largescale. The basic refrigeration cycle is similar for many refrigeration and air. Cascading improves the cop of a refrigeration cycle. Vapor compression refrigeration system basic, working, parts of system, advantages, and disadvantages introduction. Detailed information as to specific products is available from manufacturers of components and accessories. Before moving further on differences lets have an overview of both the vapour compression. Before we dive in, lets get an understanding of four key concepts. These components may be in difference shape, capacity and size, but it does the same thing. Ideal basic refrigeration cycle the ideal basic refrigeration cycle consists of four components, connected by piping with refrigerant flowing through the system. Aug 30, 2019 vapor compression refrigeration cycle. Pdf basic refrigeration cycle find, read and cite all the research you need on.
The kinetic and potential energy changes of the refrigerant are usually small compared to the work and heat. Steam jet and thermoelectric, of which the most popular is the vapor compression cycle. Also covered in this chapter are the methods used for installing, maintaining, and repairing refrigeration equipment, including domestic refrigerators and freezers. In the ultra low temperature field today the use of a compound system has given way to the cascade system almost 100%. The danfoss product range for the refrigeration and air. Today we will study the difference between vapour compression and vapour absorption refrigeration system in detail. A trane air conditioning clinic refrigeration system components. Jul 25, 2017 jul 25, 2017 animated refrigeration system with explanation of components.
Explain the basic concepts and principles of refrigeration cycle, analyze refrigeration cycle problems in a systematic and logical manner, and able to relate 2nd law of. At the end of the session, students should be able to. The ppt contains detailed study of all the components used in refrigeration and air conditioning system with neat sketches and description. Power, would produce a refrigeration effect if run backwards in the ts diagram. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. Refrigeration cycle animation vapor compression cycle. Oct 12, 2012 this video is an animation of how the refrigeration cycle works, with each components function. The refrigerant begins as a cool vapor and heads to the first component. Design of refrigeration system using refrigerant r4a for macro compartment. Compressor basic refrigeration cycle evaporator condenser receiver expansion device. The pressureenthalpy chart plots the properties of a refrigerantrefrigerant pressure vertical axis versus enthalpy. A trane air conditioning clinic refrigeration system.
Firstlesson on how the basic refrigeration cycle works the refrigeration cycle explains to us what is happening to the ac freon in each of the four components within the air conditioner units. The condenser of the plant is to be cooled by liquid water, which experiences a temperature rise of 8oc as it flows over the coils of the condenser. The different stages in the refrigeration cycle are undergone in these physical systems. The basic components of any refrigeration system working on the vapour compression cycle, are the compressor, condenser, expansion valve, evaporator and the refrigerant fluid which is alternatively vapourized and liquefied during the refrigeration cycle. Refrigeration and air conditioning icar ecourse pdf book. Refrigeration cycles the vapor compression refrigeration cycle is a common method for transferring heat from a low temperature to a high temperature. At the bottom of the articles you can download pdf. Pdf design of refrigeration system using refrigerant. Refrigerant remains piped between these four components and is contained in the refrigerant loop. Seven separate components are needed in a basic system for this refrigeration cycle to work. The vaporcompression refrigeration cycle has four components. The refrigeration system requires some means of connecting the basic major components evaporator, compressor, condenser, and metering device just as roads connect communities. Animated refrigeration system with explanation of components. The evaporator boils the liquid refrigerant at a low temperature, which causes the refrigerant to absorb heat.
Air conditioning clinic refrigeration system components air one. Air conditioning clinic refrigeration system components. Refrigeration and air conditioning system components. A comparative study has been carried out of r12, 22, 125, 4a, 152a, 218, 245, 500, 502, 507 and 717 as working fluids in a vapourcompression refrigeration system. Some basic refrigeration cycles are discussed here through different diagrams. Introduction a major application area of thermodynamics is refrigeration, which is the transfer of heat from a lower temperature region to a higher temperature one. It tells us how much refrigerant the evaporator absorbs, the refrigerant properties in the compressor, and how much refrigerant the condenser rejects. These systems consist of an evaporator, a condenser, a compressor and an expansion valve. Remember refrigeration cycle diagram will always have the same basic components compressor, condenser, expansion device, evaporator, and refrigerant tube.
Hope you enjoyed our video lecture which covers the following topics. Seminar on absorption refrigeration system pdf report download. The purpose of a refrigerator is the removal of heat, called the cooling load, from a lowtemperature medium. The refrigeration cycle is a critical component of hvac systems and is governed by the principles of thermodynamics. A compressor is the most important and often the costliest component typically 30 to. Mechanical refrigeration works by changing the the majority of heat is removed from the the majority of the works by removedchanging the absorbed heat is state of the refrigerant. If playback doesnt begin shortly, try restarting your device. Most of the time, heat pumps used for heating are considered under the refrigeration heading, since the. Refrigeration is the process of moving heat from one location to another by the use of refrigerant in a closed cycle.
The figure shows a schematic diagram of bellcoleman refrigerator. Figure shows the components in the cycle and figure 14 shows the basic cycle on the ph diagram. This cycle may be thought of as a modification of reversed carnot cycle, as the two isothermal processes of carnot cycle are replaced by two isobaric heat transfer processes. It is well formed a slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. We will now take a closer look at the individual components of.
The suction line connects the evaporator or cooling coil to. Refrigeration manual, and follows part 1, fundamentals of refrigeration. Basic refrigeration cycle for watercooled chillers in this tdp, we will explain the refrigeration cycle using components from a centrifugal chiller since that type of chiller is watercooled. This video is an animation of how the refrigeration cycle works, with each components function. So refrigeration cycle should be known to understand the refrigeration system. Refrigeration systems operate on a series of consecutive thermodynamic processes that form a cycle that returns the working substance to the same state. The 6 main components of a refrigeration system bartlett blog. Jul 21, 2017 the ppt contains detailed study of all the components used in refrigeration and air conditioning system with neat sketches and description. Special university course for future engineers lecture notes. This is often measured at the liquids boiling point. This cyclic process requires that work be input so that. It also includes the process of maintaining and reducing the temperature of a body below the general temperature of its surroundings.
Refrigeration onboard ships marine engineering study materials. This video is an animation of how the refrigeration cycle. The science behind refrigeration berg chilling systems inc. The reversed carnot cycle is the most efficient refrigeration cycle operating between two specified. Hence, a refrigeration system using refrigerant r4a is aimed to provide instant cooling in a macro. Videos you watch may be added to the tvs watch history and. Jul 25, 2017 animated refrigeration system with explanation of components. Carnot cycle there are only two temperatures in the carnot cycle heat is added at t h heat is rejected at t l there are four temperatures in the otto cycle heat is added over a range of temperatures heat is rejected over a range of temperatures. A refrigeration system is a combination of components and equipment connected in a sequential order to produce the refrigeration effect. Tubing or lines make the system complete so that the refrigerant will not leak out into the atmosphere. Refrigeration system an overview sciencedirect topics. Refrigeration heat transfer devices such as air cooled condensers and evaporators are often made out of copper pipes with aluminium fins and further enhanced with fans to force air through the fins. A refrigerator or heat pump that operates on the reversed carnot cycle is called a carnot.
This is the amount of heat required to turn a liquid into a gas. Refrigeration may be defined as a process of removing heat from a substance and pumping it to the surroundings. Cascade cycle is used where a very wide range of temperature between tl and th is required. Refrigeration onboard ships marine engineering study. Refrigeration cycle is the basis of all refrigeration systems. This example models a vaporcompression refrigeration cycle using twophase fluid components. Learning outcomes definition of heat components in a refrigeration system ts diagram of refrigeration cycle. Zubair latif comsats institute of information technology, lahore 2.
The exhaust gas energy availability and the impact of the absorption refrigeration system on engine performance, exhaust emissions, and power economy. Refrigeration fundamentals heatcraft worldwide refrigeration. Figure 1 is a flow diagram of a typical singlestage ammonia system, showing its basic components. Seminar on absorption refrigeration system pdf report download abstract this work presents an experimental study of an ammonia water absorption refrigeration system using the exhaust of an internal combustion engine as energy source. The information included on refrigeration components is general in nature and is intended only to give a brief description of their operation. All four components compressor, condenser, expansion valve and evaporator are steady flow devices. Th movement cooling by the removal of heat the movement of heat from a place where it is notot a ted to a wanted to a. Oct 26, 2001 seven separate components are needed in a basic system for this refrigeration cycle to work. Vaporcompression refrigeration, in which the refrigerant undergoes phase changes, is one of the many refrigeration cycles and is the most widely used method for airconditioning of buildings and automobiles. The compressor drives the r4a refrigerant through a condenser, an expansion valve, and an evaporator. Refrigeration and air conditioning icar ecourse pdf book download keyword refrigeration and air conditioning pdf by rk rajput refrigeration and air conditioning notes pdf working principle of refrigeration and air conditioning pdf refrigeration and air conditioning pdf in hindi refrigeration and air conditioning pdf cp arora. It readily evaporates and condenses or changes alternatively between the vapor and liquid phase without leaving the refrigerating plant. The following temperatures are typical of the standard refrigeration cycle for comfort cooling applications. This refrigeration system components consists of a compressor, cooler, expander, and refrigerator.
Ppt refrigeration cycles powerpoint presentation free. The hot gas leaving the compressor condenses in the condenser via heat transfer to the environment. Discuss basic components of a vapour compression refrigeration system. A diagram of a typical vaporcompression refrigeration cycle can be superimposed on a pressureenthalpy ph chart to demonstrate the function of each component in the system.
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