Vapor compression chillers use reciprocating, screw, or centrifugal compressors to power the. When the engine exhaust gas was used as energy source, the energy available for the refrigerator was higher with 25% throttle valve opening. A production automotive engine was tested in a bench test dynamometer, with the absorption refrigeration system adapted to the exhaust pipe. Waste engine heat, air conditioning system, vcrs, vars, engine exhaust i. Exhaust gases from diesel engine have been utilized as a heat source to run the vapor absorption system for space conditioning in automobiles. Experimental investigation of heat recovery from engine. Even for a relative small car engine, 15 kw of heat energy can be utilized from the exhaust gas. An experimental comparison between lpg and engine exhaust. This is a preliminary study on design and testing of a prototype of absorption refrigeration cycle powered by an internal combustion engine. Saikhedkar 1,2department of mechanical, raipur institute of technology, raipur email. The generator is a spiral finandtube heat exchanger, while the condenser.
It will not require a power input from the cars varies to a small engine as well. To tackle this matter, the present experimental study has. Hence from the discussion, ammonia water vapor absorption system is suggested for the application. 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. Development of vapour absorption refrigeration system in. Pdf absorption refrigeration system using engine exhaust. Atishey mittal, devesh shukla, karan chauhan, a refrigeration system for an automobile based on vapor absorption refrigeration cycle using waste heat energy from the engine 2. When the cooling capacity is provided, the partial cooling capacity. Vapour absorption refrigeration ac system using engine. Performance analysis of refrigeration system from exhaust. Eutectic plates are used as the evaporator section of the refrigeration system.
The engine was tested by adjusting the throttle valve to 25%, 50%, 75%, and maximum opening. Design and simulation of truck cabin cooling system by. Malwe the cop of ammoniawater system varies from 0. In this system, waste heat from the 90 internal combustion engine exhaust gas is used to drive the ammonia absorption 91 refrigeration cycle. The exhaust gas energy availability and the impact of the absorption refrigeration system on engine performance, exhaust emissions, and power economy. The gas volume flow rate was measured using a total pressure grid. Using engine exhaust gas as energy source for an absorption refrigeration system.
The present paper discusses the exhaust gas heat recovery for i. The theoretical design is verified by a unit that is tested under both laboratory and roadtest conditions. To recover the waste heat from the micro gas turbine an exhaust gas heat exchanger produce hot water to drive the absorption chiller figure 2. 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. Theoretical investigation of waste heat recovery from an.
A car airconditioning system based on an absorption refrigeration cycle using energy from exhaust gas of an internal combustion engine. It was assumed that 42% of the fuel energy from the micro turbine exhaust gas is delivered to the absorption chiller. More than 800 data points were used to build each curve shown by the figures. For the latter, the unit is installed in a nissan 1400 truck and the results indicate a successful prototype and encouraging. Seminar on absorption refrigeration system pdf report download. 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. My aim is to recover heat from exhaust gas and use it for absorption refrigeration system electrolux refrigeration system.
In order to recover the waste heat from the exhaust gas of a combustion engine, an adsorption refrigeration cycle is proposed. A preliminary study on designing and testing of an. Thermal analysis of a car air conditioning system based on. 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. Type of engine and also details of engine parameters are given below. Air brake system using engine exhaust gas cum automatic cruise speed control system duration. 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. In this case the exhaust gases supply energy to a generator, which along with an absorber replaces the cumbersome compressor and its dedicated ic engine. Daewoo bus, model bh116 was chosen for this analysis.
It is suggested that there is no harm using vapor absorption refrigeration system with the advantage of utilizing waste heat from engine exhaust gas. A commercial turbocharged diesel engine has been tested in a bench test. Pdf a car airconditioning system based on an absorption. Us4341088a highway vehicle exhaust gas refrigeration. It was found that cop of the absorption refrigeration system depends on engine load, speed and air fuel equivalence ratio. The authors showed that the engine speed over 2000revmin, the temperature inside refrigerator is increased and they used fixed engine speed of 1500revmin. Temperature of an exhaust gas in kirloskar engine is calculated by an heat balance on engine by using electrical loading. This document gives information about how much important is waste heat and using this we can develop a refrigerant system without taking input from battery, also design is developed based on vapour absorption refrigeration system. Seminar on exhaust gas recirculation full report pptpdf. For the latter, the unit is installed in a nissan 1400 truck and the results indicate a successful prototype and. Refrigeration using waste heat linkedin slideshare. Performance improvement in automotive engines using vapour.
Energy from the exhaust gas of an internal combustion engine is used to power an absorption refrigeration system to aircondition an ordinary passenger car. Combined heat and power technology fact sheet series. Automobile air condition system using exahust gas free download as powerpoint presentation. They also studied the impacts of an absorption refrigeration system on an engine performance and exhaust gas emission. 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. Us3661200a absorption refrigeration and air conditioning. This work presents an experimental study of an ammoniawater absorption refrigeration system using the exhaust of an internal combustion engine as energy source. Vapour absorption refrigeration ac system using engine exhaust gas as an energy source. Absorption refrigeration cycle uses very little electricity compared to an electric motordriven compression cycle chiller. Even for a r elative small car engine, such as for the nissan1400, 15 kw of heat energy can be utilised from the exhaust gas wang, 1997. Parametric analysis of waste heat driven vapor absorption. Chillers are used in commercial buildings and industrial. The generator is a spiral finandtube heat exchanger, while the condenser, evaporator, and absorber are shell and coil heat exchangers. A car airconditioning system based on an absorption.
Abstract energy from the exhaust gas of an internal combustion engine is used to power an absorption refrigeration system to aircondition an ordinary passenger car. The high degree of heat contained in the exhaust is ample enough to run a decent capacity absorption system and maintain. This heat is enough to power an absorption refrigeration system to produce a refriga car airconditioning system based on an. The wasted energy from a car exhaust can be considered as the heat supply for an absorption refrigeration cycle. The exhaust gas energy availability and the impact of the absorption refrigeration system on engine performance, exhaust emissions, and power economy are evaluated.
Instead the exhaust gas heat may be used to run the system. International journal of engineering research and general. Time variation of refrigerator average temperature figs. Funnel flaps are to be always kept clean and lubricated well, it is a main component. Though the cop of the system is less but since waste heat is given as. Design and simulation of truck cabin cooling system by vapour absorption refrigeration system using engine exhaust ganesh n1, anantha kumar a. The exhaust gas energy availability, the performance of the absorption refrigeration system and the engine performance are evaluated. This heat is enough to power an absorption refrigeration system to produce a refrigeration. An alternate system for refrigeration is the vapour absorption refrigeration var system utilising the waste heat in the exhaust gases from the main propulsion unit of the vehicle. The tests showed that, after 3 h, the temperature inside the refrigerator was between 4 and c.
A novel generatoranalyzer is mounted between the engine and the muffler of the truck. Exhaust gas in vapour absorption refrigeration system, generator portion is designed for utilizing exhaust gas from internal combustion engine. Absorption refrigeration system using engine exhaust gas. 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 using engine exhaust shekhar d. By reason that absorption refrigeration technologies have the advantage that the peaks of requirements with the availability of the waste heat. 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. Simultaneously the heat released to absorb the vapor is removed by air. The results showed that engine exhaust gas is a potential source for absorption refrigeration systems. Design and analysis of ac system for automobile vehicle. Heat recovery, absorption refrigeration system, electrolux.
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. Egr works by recirculating a portion of an engine s exhaust gas back to the engine cylinders. Refrigeration and air conditioning systems onboard ships. The exhaust gas energy availability and the impact of the absorption refrigeration system on engine performance, exhaust. In this work a single effect ammonia waterbased waste heat driven vapor absorption system was investigated and conceptualized. This work presents an experimental study of an ammoniawater absorption refrigeration system using the exhaust of an internal combustion engine. Study of vapor absorption system using waste heat in sugar industry, iosr journal of engineering,aug2012,22503021.
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