In practice however, application of such cooling systems in automobiles has been facing a number of technical restrictions one of which is once the car engine runs idle or at low speed. Absorption refrigeration system using engine exhaust gas as. Absorption chillers are often exhaust fired using thermal energy recovered from. Thus the waste heat can be utilised and shaft power conserved by replacing the traditional compression refrigeration system, used for airconditioning a motor car, with an absorption. Development of vapour absorption refrigeration system in vehicles. Absorption refrigeration system utilising engine exhaust. These automobiles which use ic engines have a very low efficiency of about 30% to. Analysis of heat recovery from engine exhausts gas using in. Experimental study of a diffusion absorption refrigeration. Development of vapour absorption refrigerant system for. Dec 10, 2019 the wasted energy from a car exhaust can be considered as the heat supply for an absorption refrigeration cycle. It was assumed that 42% of the fuel energy from the micro turbine exhaust gas is delivered to the absorption chiller.
Mar 26, 2014 this work presents an experimental study of ammoniawater absorption refrigeration system using the exhaust of an internal combustion engine as an energy source. Absorption refrigeration system utilising engine exhaust gas for bulk gas carriers. A car airconditioning system based on an absorption refrigeration cycle using energy from exhaust gas of an internal combustion engine g vicatos j gryzagoridis s wang department of mechanical engineering, university of cape town. In particular, it is possible to find in a relatively crude manner the solar panel area required for a certain refrigeration effect given the relevant system temperatures. Saikhedkar 1,2department of mechanical, raipur institute of technology, raipur email. A preliminary study on designing and testing of an absorption. Hence from the discussion, ammonia water vapor absorption system is suggested for the application.
Pdf a car airconditioning system based on an absorption. Simple vapor absorption refrigeration evaporator condenser expansion valve absorber generator. An energy balance of a diesel engine shows that sufficient waste heat is provided. Egr works by recirculating a portion of an engine s exhaust gas back to the engine cylinders. Us3661200a absorption refrigeration and air conditioning. Chilled water is produced based on the principle that. International journal of engineering research and general. Citeseerx document details isaac councill, lee giles, pradeep teregowda. The study shows energy from the exhaust gas of an internal combustion engine is used to power an absorption refrigeration system to aircondition an ordinary. Study of vapor absorption system using waste heat in sugar industry, iosr journal of engineering,aug2012,22503021.
This work presents an experimental study of ammoniawater absorption refrigeration system using the exhaust of an internal combustion engine as an energy source. Vapour absorption refrigeration system departmen of mechanical engineerin figure 1. Simultaneously the heat released to absorb the vapor is removed by air. Seminar on exhaust gas recirculation full report ppt pdf download exhaust gas recirculation in internal combustion engines, exhaust gas recirculation egr is a nitrogen oxide nox emissions reduction technique used in petrolgasoline and diesel engines. The principle can also be used to aircondition buildings using the waste heat from a gas turbine or water heater. An absorption refrigerator is a refrigerator that uses a heat source e. By considering the importance of fuel saving, optimum use of fuel will be necessary. Refrigeration and air conditioning systems onboard ships vapour compression systems moving heat from a lower temperature to higher temperature requires work to be done, according to second law of thermodynamics and this work can be done in many ways in different systems. Instead the exhaust gas heat may be used to run the system. The results illustrate that higher performance of the system is obtained at high. Design and fabrication of vapour absorption refrigeration system libr h20.
The components like absorber, and generator perform the regular functions. The response of the refrigeration system to variations in chilled water inlet temperature, chilled water level in the evaporator drum, chilled water flow rate, and variable heat input are presented. Measured cop values of the unoptimized singlestage ammoniawater absorption cycle varied between 23 and 30%, but system modeling shows that this can be improved to values considerably over 30%. Us4341088a highway vehicle exhaust gas refrigeration.
This work has as an objective the study of the feasibility and potential of using the internal combustion engine exhaust gas as energy source for an absorption refrigeration system. Pdf absorption refrigeration system using engine exhaust. Jul 02, 2018 vapour absorption refrigeration system. A car airconditioning system based on an absorption refrigeration cycle using energy from exhaust gas of an internal combustion engine. Thermal performance of a diffusion absorption refrigeration system driven by waste heat from diesel engine exhaust gases. Seminar on exhaust gas recirculation full report pptpdf download. A breadboard prototype of an absorption system for truck refrigeration using heat from the exhaust gases was designed, built and tested.
There are various works available on the absorption cooling with exhaust gas heat of engine. Automotive exhaust gas flow control for an ammoniawater. This paper describes an experimental application of engine exhaust gas driven absorption refrigeration system. Pdf experimental analysis of absorption refrigeration system. A preliminary study on designing and testing of an. Citeseerx a refrigeration system for an automobile. Design and analysis of ac system for automobile vehicle using. Combined heat and power technology fact sheet series avace mafacti ffice absorption chillers for chp. Experimental analysis of diffusion absorption refrigerator driven by. Study of the possibility and potentiality of using the internal combustion engine exhaust gas as energy source for an absorption refrigeration system was carried out by manzela et al. Combined heat and power technology fact sheet series.
Absorption refrigeration system utilising engine exhaust gas for bulk. Waterlithium bromide vapor absorption refrigeration system free download as powerpoint presentation. Egr works by recirculating a portion of an engines exhaust gas back to the engine cylinders. This is a preliminary study on design and testing of a prototype of absorption refrigeration cycle powered by an internal combustion engine. Pdf thermal performance of a diffusion absorption refrigeration. Eutectic plates are used as the evaporator section of the refrigeration system. Though the cop of the system is less but since waste heat is given as. Absorption refrigeration system using engine exhaust gas as an. In fact, the system will generate power using heat.
Refrigeration using waste heat recovery from exhaust gas of engine. A singleeffect absorption refrigeration system that uses librwater solution and engine exhaust gas is investigated. The generator is a spiral finandtube heat exchanger, while the condenser. Design of ammonia water vapour absorption air conditioning system for a car by waste heat recovery from engine exhaust gas 1dinesh chandrakar, 2n. A commercial turbocharged diesel engine has been tested in a bench test dynamometer, with the. Read using engine exhaust gas as energy source for an absorption refrigeration system, applied energy on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. The coefficient of performance increased with the temperature of the. Vikas pal from vars system we can produce a cooling effect re of 5, which is suitable for cold storage purposes and thus it can be easily incorporated in heavy automobiles used for such purposes. This paper examines through a thermodynamic analysis the feasibility of using waste heat from marine diesel engines to drive an ammoniawater absorption refrigeration system. An automotive engine was tested in a bench test dynamometer, with the absorption refrigeration system adapted to the exhaust pipe via a heat exchanger. Thermodynamic analysis and feasibility study of internal. Apr 01, 2010 read using engine exhaust gas as energy source for an absorption refrigeration system, applied energy on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
Subfreezing absorption refrigeration for industrial chp. An energy efficient absorption refrigeration system is described that is mounted on a highway vehicle, such as a truck, and that is driven by the hot exhaust gases discharged from the engine. This paper deals with the refrigeration system by vapourabsorption method using waste heat from engine as heat source. In the rankine power subsystem, the hightemperature. Absorption refrigeration system using engine exhaust gas free download as word doc. Absorption refrigeration system using engine exhaust gas scribd. Absorption refrigeration system using engine exhaust gas as an energy source. The wasted energy from a car exhaust can be considered as the heat supply for an absorption refrigeration cycle. Waterlithium bromide vapor absorption refrigeration system. Integration of an ammoniawater absorption refrigeration. This work presents an experimental study of an ammonia water absorption refrigeration system using the exhaust of an internal combustion engine as energy source.
Lakshmi sowjanya supplying the heat to the generator of a vapor absorption refrigeration system. Absorption chiller absorption chillers are thermally driven chillers that are well suited for the use of exhaust heat. In order to recover the waste heat from the exhaust gas of a combustion engine, an adsorption refrigeration cycle is proposed. Download as ppt, pdf, txt or read online from scribd. One of the effective ways, is the waste heat recovery from the engine exhaust gas.
The authors showed that the engine speed over 2000revmin, the temperature inside refrigerator is increased and they used fixed engine speed of 1500revmin. The rate of refrigeration, the net power input, and the cop are to be determined. The generator is a spiral finandtube heat exchanger, while the condenser, evaporator, and absorber are shell and coil heat exchangers. But, no significant wok has been carried out by recovering and utilizing engine heat in refrigeration system of a vehicle. Feasibility study has been done to find out the energy available from exhaust gas of a vehicle. The purpose of this study is the thermodynamic analysis of a new cogeneration system based on internal combustion engine. Egr works by recirculating a portion of an engine s exhaust gas back to the engine. This heat is enough to power an absorption refrigeration system to produce a refriga car airconditioning system based on an absorption refrigeration cycle using energy from exhaust gas of an internal combustion engine g vicatos j.
A car airconditioning system based on an absorption refrigeration. Experimental results proved that it is possible to drive a var system using the exhaust gases from a diesel engine. Refrigeration and air conditioning systems onboard ships. Abstract energy from an exhaust of an internal combustion engine is used to power an absorption refrigeration systemto aircondition an ordinary passenger vehicle. Design of ammonia water vapour absorption air conditioning. Automobile air condition system using exahust gas free download as powerpoint presentation. Absorption refrigeration system using engine exhaust shekhar d. This installation consists of two 415 kw reciprocating engine generators and an absorption chiller that produces 160 tons of 25f refrigeration from the engine waste heat. The physical details of the toyota 3rzfe engine which was used to produce exhaust gas is shown in table 3.
Seminar on absorption refrigeration system pdf report download abstract. System vcrs and another is vapor absorption refrigeration system vars. It was observed that the waste heat energy from engine exhaust can be used efficiently. This study demonstrated the feasibility of an absorption refrigeration system ars that is capable of utilising the engine exhaust gas of bulk gas carriers as the heat source and generating. The maximum and minimum temperatures in the cycle, the cop, and the rate of refrigeration are to be determined. Absorption refrigeration system for mobile applications. Feb 11, 20 the basic objective of developing a vapour absorption refrigerant system for cars is to cool the space inside the car by utilizing waste heat and exhaust gases from engine. A simple schematic of a vapour absorption refrigeration system the absorption chiller is a machine, which produces chilled water by using heat such as steam, hot water, gas, oil etc. Design and analysis of ac system for automobile vehicle.
A new absorptioncompression refrigeration system using a mid. An absorption refrigeration and air conditioning system using a mixture of water and ammonia and helium to maintain a constant vapor pressure and wherein the system uses a generator for the refrigeration circuit which is fitted to the exhaust line of a vehicle and wherein the space to be cooled or refrigerated has a heat transfer unit. The exhaust gas flow to the heat exchanger built on the generator was controlled manually using two control valves. It will not require a power input from the cars varies to a small engine as well. Absorption refrigeration system using engine exhaust gas. Development of vapour absorption ac system using waste heat. Performance of dar using diesel engine waste heat was experimentally evaluated. Seminar on exhaust gas recirculation full report pptpdf. Measured cop values of the unoptimized singlestage ammonia. Theoretical investigation of waste heat recovery from an ic. To achieve the low refrigeration temperatures of interest to industrial applications, all components of this integrated system needed careful consideration and optimization.
Thus, use of the exhaust gas in an absorption refrigeration system can increase the overall system efficiency. Pdf a singleeffect absorption refrigeration system that uses librwater solution and engine exhaust gas is. Except for an engine speed at rpm, there was enough heat in the exhaust gas to power the absorption system for engine speeds ranging from 1500 to. In this study, the var system runs by taking heat energy from the exhaust gas and the electric power produced by a thermoelectric generator was utilized to run the pump of the refrigeration system. When ammonia leaves the generator in the vaporized state some particles of water vapor are also carried with it, and these are removed in the analyzer and the rectifier. Read automotive exhaust gas flow control for an ammoniawater absorption refrigeration system, applied thermal engineering on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. It was found that cop of the absorption refrigeration system depends on engine load, speed and air fuel equivalence ratio. The heating coil generator system of absorption refrigeration system has been replaced by plate frame type heat exchanger, there by utilizing the exhaust gases of the ic engine 9. Development of vapour absorption refrigeration system in. Us9447996b2 carbon dioxide removal system using absorption. The chp system has a low emission natural gas fired 633 kw reciprocating engine cogeneration package.
The basic objective of developing a vapour absorption refrigerant system for cars is to cool the space inside the car by utilizing waste heat and exhaust gases from engine. Performance analysis of micro gas turbine driven through compression absorption refrigeration systems upendra kumar 1 and amit kumar corresponding author. A car airconditioning system based on an absorption. The picture on the left shows a chp system with an integrated ammoniawater absorption chiller. Development of vapour absorption refrigerant system for cars. A study on automobile airconditioning based on absorption. Malwe the cop of ammoniawater system varies from 0.
Theoretical investigation of waste heat recovery from an. The exhaust gas energy availability, the performance of the absorption refrigeration system and the engine performance are evaluated. This work presents an experimental study of an ammoniawater absorption refrigeration system using the exhaust of an internal combustion engine as energy source. Performance characteristics of an ammoniawater absorption.
In the ammoniawater absorption refrigeration system, ammonia works as the refrigerant and water works as the absorbent. A novel generatoranalyzer is mounted between the engine and the muffler of the truck. Using engine exhaust gas as energy source for an absorption. Pdf absorption refrigeration system using engine exhaust gas as. This study demonstrated the feasibility of an absorption refrigeration system ars. The exhaust gas energy availability and the impact of the absorption refrigeration system on engine performance, exhaust emissions, and power economy are evaluated. Mathematical model of a vapour absorption refrigeration unit system designers in the design of the most fundamental components. An aircooled absorption refrigeration system which has cooling capacity of 2 kw, and to integrate refrigeration system to engine, two generator models were designed and constructed for this study. Thermal analysis of a car air conditioning system based on an absorption refrigeration cycle using energy from exhaust gas of an internal combustion engine 20012002 mr. Seminar on absorption refrigeration system pdf report. The high degree of heat contained in the exhaust is ample enough to run a decent capacity absorption system and maintain.
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