Apparatus figure 1 shows the experimental setup in details. The ph diagram of the vapor compression refrigeration cycle is presented in figure 2. Some basic refrigeration cycles are discussed here through different diagrams. Exw the exergy loss for the each component of cycle is given by. Any type of vapour compression refrigeration system has. In this lesson, one will learn how to solve the problems on vapour compression cycle. Apr 02, 2016 vapour compression refrigeration system 1. Calc vapor compression refrigeration cycle r4a duration. Other systems employed are gas refrigeration, vapor absorption refrigeration, and vortex refrigeration. Although the initial cost of an absorption system is higher than that of a compression system, operational costs are much lower if waste heat is used.
Cycle analysis with liquidsuction subcooler basically there are three methods of subcooling in vapor. The first working vaporcompression refrigeration system was built in 1834 by another american who was living in the uk, jacob jenkins. Vapor compression refrigeration cycle ppt xpowerpoint. Ppt vapour compression cycle powerpoint presentation. These all four components run a simple vapour compression refrigeration system. The vapour compression cycle is used in most of the modern refrigeration systems in large industrial plants. In some cases the refrigerant leaves the evaporator as either saturated vapour or superheated vapour. Ppt refrigeration systems powerpoint presentation free. Key components in the refrigeration system are a compressor, a condenser, an evaporator and an expansion valve. Gandhinagar institute of technology subject applied thermal and hydraulic engineering2140907 branch electrical topic refrigeration vapour compression refrigeration system 2. Ppt refrigeration cycles powerpoint presentation free to download id. Vapourcompression refrigeration or vaporcompression refrigeration system vcrs, in which the refrigerant undergoes phase changes, is one of the many refrigeration cycles and is the most widely.
Download scientific diagram ph diagram of vapor compression refrigeration cycle. Development of the vapour compression system in mid 19th century. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Vapour compression refrigeration or vapor compression refrigeration system vcrs, 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. Jul 22, 2016 vapour compression refrigeration system bobin saji george. There are no appreciable pressure drops as the refrigerant flows through the condenser and evaporator. If you continue browsing the site, you agree to the use of cookies on this website. Vapour compression refrigeration cycle the vapor compression refrigeration cycle is nearly 200 years old, but it does not seem ready to leave the scene any time soon. 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 is the basis of all refrigeration systems. The system is designed and tested for various operating. Cycle analysis with liquidsuction subcooler basically there are three methods of subcooling in vapor compression refrigeration system, i. Simple vapour compression refrigeration system consists of mainly four parts compressor, condenser, expansion valve and evaporator. There occurs pressure losses on both evaporator and condenser side. Vapour compression refrigeration systems presentation transcript. Ppt vapour compression cycle powerpoint presentation free. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
This case study demonstrates the modeling of a vapour compression refrigeration system using r22 as refrigerant. Fig 2 shows system representations on ph chart for ideal and actual vapour compression refrigeration cycle. Download vapor absorption refrigeration system presentation transcript. Vapor compression refrigeration system pressureenthalpy diagram for refrigerants refrigerator, air conditioner, thermoelectric cooler, heat pump designation, choice, criteria for selection, and. Pumping of the rich solution and raising its pressure to the pressure of the condenser. Mechanism of simple vapor compression refrigeration system. In this paper, performance of the fabricated system is. Figure 2proposed vapour compression refrigeration system using matrix heat exchanger v. One ton of refrigeration means amount of heat required to remove from one short ton. The refrigeration system is an enclosed gas tight system of tubes and equipments as shown below. Classification of refrigeration system types of refrigeration. While the employment of natural refrigerants continues to this day, the development of mechanical refrigeration had to await progress. Revision of carnot refrigeration cycle by using dry compression.
Design and simulation of a vapor compression refrigeration cycle for a micro refrigerator submitted by seyfettin yildiz in partial fulfillment of the. Thus, experimental readings are taken on refrigeration tutor for actual cycle considering pressure losses and observations are tabulated as shown below in table 2. Example of how the cop of a watertowater heat pump varies with the distributionreturn temperature. So refrigeration cycle should be known to understand the refrigeration system.
Gandhinagar institute of technology subject applied thermal and hydraulic engineering2140907 branch electrical topic refrigeration. Gas refrigeration cycle a schematic diagram b ts diagram. Layout of the r22 vapour compression refrigeration system. The exergetic balance equation for a control volume is. It is also used in domestic and commercial refrigerators, largescale warehouses for. The cycle depicted in figure 1 offers several advantages for electronic cooling applications. In this way all these processes go on continuously and as long as the compressor runs, the system produces cooling around the evaporator. While the employment of natural refrigerants continues to this day, the development of mechanical refrigeration had to await progress in the physical sciences. Technology and applications gea engineering for a better. Thank you very much for your quick response to my questions. Exergy analysis of vapour compression refrigeration system. Interactive computer routines have been composed, in basic language, in order to permit the prediction of the performances of simple, multievaporator multistage compressor vapour compression refrigerators when employing refrigerant r11, r12, r22 or r502. Here harshit solves some sample questions which will help one to recollect and remember all the topics and equations which were discussed in the previous lesson.
Some basic refrigeration cycles are discussed here through. The vapor compression refrigeration cycle is a common method for. Find powerpoint presentations and slides using the power of, find free presentations research about vapor compression refrigeration cycle ppt. Multistage vapour compression refrigeration systems departmen of mechanical engineerin lecture17 multistage vapour compression refrigeration systems 1. The system is designed and tested for various operating conditions using hot water as heat source. Purpose of refrigeration examples and applications choice of coolant and refrigerants phase diagram of water and co 2 vapor compression refrigeration system pressureenthalpy diagram for refrigerants refrigerator, air conditioner, thermoelectric cooler, heat pump designation, choice, criteria for selection, and. How vaporcompression cooling works electronics cooling. In simple vapour compression refrigeration system pressure ration up to specific limit can be achieved. Feb 10, 2017 the presentation will give you idea about the vapor compression refrigeration system. In the vapour absorption system the compressor is replaced by an absorber,a pump,a generator,and a pressure reducing valve. Use saturated refrigerant4a temperature table, to find, and of refrigerant4a at. Download this books into available format 2019 update. Ppt vapour compression cycle powerpoint presentation, free. One of the most important parts of any refrigeration cycle is the compression of the refrigerant since all the further operations depend on it.
Seminar presentation on vapour compression refrigeration. Vapor compression refrigeration cycle objective determining the coefficient of performance of a vapour compression refrigeration cycle. Unit 5 refrigeration systems refrigeration systems structure 5. Lecture18 vapour absorption refrigeration system the vapour absorption refrigeration system consists of. Based on the working principle, refrigeration systems can be classified as vapour compression systems, vapour absorption systems, gas cycle systems etc. Conclusion vapour refrigeration system requires large amount of energyto operate. Absorption of refrigerant vapour by a suitable absorbent or adsorbent. In the ideal refrigeration cycle, the refrigerant leaves the evaporator as wet vapour.
This blog post will explain how this vaporcompression. Uses heat energy instead of mechanical energy as in vapour compression system. Refrigeration systems vapour compression refrigeration system vapour absorption refrigeration system thermo electric refrigeration system vapour compression refrigeration this is the most important. For the given vaporcompression refrigeration system with refrigerant4a as the working fluid, the pressure, temperature, specific enthalpy, and specific entropy at the state are, and respectively. Performance and exergy analysis of vapour compression refrigeration system using various alternative of r4a. The vapour in this cycle is circulated through the various components of the system, where it undergoes a number of changes in its state or condition. Cycle diagram of vapour compressor refrigeration is illustrated in fig. Absorption of refrigerant vapour by a suitable absorbent or adsorbent, forming a strong or rich solution of the refrigerant in the absorbent adsorbent. Ppt refrigeration refrigeration refrigerator free 30. Vapourcompression refrigeration systems sciencedirect. Vapour compression refrigeration cycle video lectures. There are innumerable applications of such systems and they are the major consumer of electricity around the world. Uses heat energy instead of mechanical energy as in vapour. The vapour absorption refrigeration system consists of.
First, evaporation is simply the process of vaporization. The vapor compression refrigeration cycle consists of four processes. Vapour compression units are the most widely used refrigeration systems. Releases of r22 is a greenhouse gas contribute to ozone depletion. Simple vapour compression refrigeration system slideshare. In a refrigeration system, the rate at which the heat is absorbed in a cycle from the. The coefficient of performance of a refrigeration system is. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Vapourcompression units are the most widely used refrigeration systems. Vapor compression systems can reject heat far from the source by separating the evaporator and condenser. These all four components run a simple vapour compression.
Introduction the vapour absorption refrigeration system is one of the method of producing refrigerating effect. Design of two stage vapour compression refrigeration. Vapor compression systems can reject heat far from the source by separating the evaporator and condenser in a socalled split system. Experimental analysis of a vapour compression refrigeration system. Dec 03, 2016 vapour compression refrigeration system in hindi. It can be used whenever a refrigeration or airconditioning requirement occurs. Performance and exergy analysis of vapour compression. Hello friends in this video i will tell you about vapour compression refrigeration system in hindi vcrs, its components and working of. Vocabulary background in the thermodynamics and refrigeration literature, several words are used interchangeably that can cause confusion. In any refrigeration process, heat is transferred from one region to another with the aid of an external agent. Vapour compression cycle energy management handbook sixth edition, chapter 8 refrigerator air conditioning plant heat pump refrigerator electricmotordriven. Introduction a single stage vapour compression refrigeration system has one low side pressure evaporator pressure and one high side pressure condenser pressure.
I understand what you want to do if you use the minimum temperature difference in the condenser to design a refrigeration system. Ph diagram of vapor compression refrigeration cycle generally, the. Modern refrigeration and airconditioning equipment is dominated by vapour compression refrigeration technology built upon. Vapour absorption refrigeration system authorstream. We want to design a vapor compression refrigeration cycle to absorb heat from a cool environment and reject it to a warm environment. The system i should design must be able to handle the followings. The ordinary household refrigerator is a good example of the application of this cycle. What are the advantages of vapour compression refrigeration.
Design of two stage vapour compression refrigeration system. Liquidsuction subcooler is using a heat exchanger, the heat. Vapor compression refrigeration transports large quantities of heat with a small mass of circulating fluid. Technology and applications evaporation technology using mechanical vapour recompression engineering for a better world. Ts diagram for a vapour compression refrigeration cycle when the refrigerant leaves the evaporator as a saturated vapour b superheated vapour. A block diagram of a vapour compression refrigeration system is shown in fig. Since jacob perkins ice machine built in 1834, vapor compression refrigeration cycle vcrc has been in service of human beings. In the vaporcompression refrigeration system, which is widely used, the external. In the vapor compression refrigeration system, which is widely used, the external agent is a compressor. The presentation will give you idea about the vapor compression refrigeration system. As energy crisis is big problem in the world there is a need of decreasing power consumption of electricity.
Download this books into available format unlimited. For a decade, due to the tendency of miniaturization in technology, an effort to produce this. Vapourcompression refrigeration or vaporcompression refrigeration system vcrs, in which the refrigerant undergoes phase changes, is one of the many. Apr 23, 2020 in any refrigeration process, heat is transferred from one region to another with the aid of an external agent. Design a vaporcompression refrigeration system that. International journal of students research in technology.
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. For purposes of illustration, we will assume that a refrigeration system used to cool air for an office environment. View and download powerpoint presentations on vapor compression refrigeration cycle ppt. Vapor compression refrigeration system on ph diagram. The design is to be based upon the ideal vapor compression refrigeration cycle, with four components. Ueeneej103a establish the basic operating conditions of. Here harshit solves some sample questions which will help one to recollect and remember all the topics and equations. System description the layout of the system is shown in figure 1. Interactive computer routines have been composed, in basic language, in order to permit the prediction of the performances of. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant. Unit of refrigeration the unit of refrigeration is ton of refrigeration or simply ton denoted by tr. One ton of refrigeration means amount of heat required to remove from one short ton of water at 00c to produce ice at 00c at 24 hours. Exergy flow destroyed in each of the components is evaluated as follows 3, 9.
How can i design a vapor compression refrigeration cycle. Raja kumar gond1, ravindra pratap chaudhary2, mohammad amir khan 3, gaurav jain4. The simplest gas refrigeration cycle is the reversed brayton cycle. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Jan 08, 2017 1 method of compression of the refrigerant. If you want to know how refrigeration system works you can get it in brief here. Vapor compression refrigeration system basic, working, parts of system, advantages, and disadvantages introduction. Vapor compression refrigeration system basic, working. It is also used in domestic and commercial refrigerators, largescale. Ppt refrigeration cycles powerpoint presentation free to.
Vapour compression refrigeration systems ppt video online. Both a steadystate and a transient simulation will be considered. Thermoacoustic refrigeration seminar report pdf, ppt. Vapor compression cooling for high performance applications. Vapour compression refrigeration systems free download as powerpoint presentation. Develop and analyze thermodynamic models of vaporcompression systems and their modifications, including. Vapour compression refrigeration system bobin saji george. Hello friends in this video i will tell you about vapour compression refrigeration system in hindi vcrs, its components and working of vapour. Intro refrigeration cycle, vapor compression duration. Introduction principle of operation working fluid for vapor absorption refrigeration system vars some experimental results for different fluid various designs of vars cost analysis conclusions 2. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects.
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