The engine was tested by adjusting the throttle valve to 25%, 50%, 75%, and maximum opening. Performance analysis of refrigeration system from exhaust. Design and simulation of truck cabin cooling system by vapour absorption refrigeration system using engine exhaust ganesh n1, anantha kumar a. Automobile air condition system using exahust gas free download as powerpoint presentation.
Us3661200a absorption refrigeration and air conditioning. Experimental investigation of heat recovery from engine. This work presents an experimental study of an ammoniawater absorption refrigeration system using the exhaust of an internal combustion engine. This heat is enough to power an absorption refrigeration system to produce a refriga car airconditioning system based on an. Type of engine and also details of engine parameters are given below. A preliminary study on designing and testing of an. In this system, waste heat from the 90 internal combustion engine exhaust gas is used to drive the ammonia absorption 91 refrigeration cycle. The generator is a spiral finandtube heat exchanger, while the condenser. Study of vapor absorption system using waste heat in sugar industry, iosr journal of engineering,aug2012,22503021. As continuous raise in fuel prices and manufacturing cost, the consumers getting many difficulties in maintain the automotive vehicles. This work presents an experimental study of an ammoniawater absorption refrigeration system using the exhaust of an internal combustion engine as energy source. The high degree of heat contained in the exhaust is ample enough to run a decent capacity absorption system and maintain. A singleeffect absorption refrigeration system that uses librwater solution and engine exhaust gas is investigated. Though the cop of the system is less but since waste heat is given as.
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. A car airconditioning system based on an absorption refrigeration cycle using energy from exhaust gas of an internal combustion engine. The authors showed that the engine speed over 2000revmin, the temperature inside refrigerator is increased and they used fixed engine speed of 1500revmin. Refrigeration and air conditioning systems onboard ships. It was found that cop of the absorption refrigeration system depends on engine load, speed and air fuel equivalence ratio. 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 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. Air brake system using engine exhaust gas cum automatic cruise speed control system duration. An experimental comparison between lpg and engine exhaust. The exhaust gas energy availability and the impact of the absorption refrigeration system on engine performance, exhaust emissions, and power economy are evaluated.
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. Saikhedkar 1,2department of mechanical, raipur institute of technology, raipur email. Exhaust gas in vapour absorption refrigeration system, generator portion is designed for utilizing exhaust gas from internal combustion engine. Design of ammonia water vapour absorption air conditioning system for a car by waste heat recovery from engine exhaust gas 1dinesh chandrakar, 2n. 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 theoretical design is verified by a unit that is tested under both laboratory and roadtest conditions. Heat recovery, absorption refrigeration system, electrolux. For the latter, the unit is installed in a nissan 1400 truck and the results indicate a successful prototype and. When the cooling capacity is provided, the partial cooling capacity. 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. 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. Refrigeration using waste heat linkedin slideshare. Development of vapour absorption refrigeration system in. Funnel flaps are to be always kept clean and lubricated well, it is a main component.
The tests showed that, after 3 h, the temperature inside the refrigerator was between 4 and c. Vapor compression chillers use reciprocating, screw, or centrifugal compressors to power the. 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. The generator is a spiral finandtube heat exchanger, while the condenser, evaporator, and absorber are shell and coil heat exchangers. S2, alagesan m3, dinesh p4, karthik v5 1,2,3,4 ug scholar, department of mechanical engineering sns college of technology. Design and simulation of truck cabin cooling system by. 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. By reason that absorption refrigeration technologies have the advantage that the peaks of requirements with the availability of the waste heat. 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. A car airconditioning system based on an absorption. Absorption refrigeration system using engine exhaust shekhar d. International journal of engineering research and general. Egr works by recirculating a portion of an engine s exhaust gas back to the engine cylinders. A commercial turbocharged diesel engine has been tested in a bench test.
Parametric analysis of waste heat driven vapor absorption. For the latter, the unit is installed in a nissan 1400 truck and the results indicate a successful prototype and encouraging. The gas volume flow rate was measured using a total pressure grid. Daewoo bus, model bh116 was chosen for this analysis. 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. Temperature of an exhaust gas in kirloskar engine is calculated by an heat balance on engine by using electrical loading. Absorption refrigeration system using engine exhaust gas. It is suggested that there is no harm using vapor absorption refrigeration system with the advantage of utilizing waste heat from engine exhaust gas. 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. The wasted energy from a car exhaust can be considered as the heat supply for an absorption refrigeration cycle. They also studied the impacts of an absorption refrigeration system on an engine performance and exhaust gas emission.
Time variation of refrigerator average temperature figs. Us4341088a highway vehicle exhaust gas refrigeration. Eutectic plates are used as the evaporator section of the refrigeration system. Pdf a car airconditioning system based on an absorption. Seminar on absorption refrigeration system pdf report download. Using engine exhaust gas as energy source for an absorption refrigeration system.
Experimental study of a diffusion absorption refrigeration. Waste engine heat, air conditioning system, vcrs, vars, engine exhaust i. Combined heat and power technology fact sheet series. More than 800 data points were used to build each curve shown by the figures. A novel generatoranalyzer is mounted between the engine and the muffler of the truck. When the engine exhaust gas was used as energy source, the energy available for the refrigerator was higher with 25% throttle valve opening.
The results showed that engine exhaust gas is a potential source for absorption refrigeration systems. It will not require a power input from the cars varies to a small engine as well. Exhaust gases from diesel engine have been utilized as a heat source to run the vapor absorption system for space conditioning in automobiles. Vapour absorption refrigeration ac system using engine. The exhaust gas energy availability and the impact of the absorption refrigeration system on engine performance, exhaust. To tackle this matter, the present experimental study has. Seminar on exhaust gas recirculation full report pptpdf. The exhaust gas energy availability and the impact of the absorption refrigeration system on engine performance, exhaust emissions, and power economy. Vapour absorption refrigeration ac system using engine exhaust gas as an energy source. The exhaust gas energy availability, the performance of the absorption refrigeration system and the engine performance are evaluated.
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 present paper discusses the exhaust gas heat recovery for i. Performance improvement in automotive engines using vapour. 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. Instead the exhaust gas heat may be used to run the system.
Chillers are used in commercial buildings and industrial. In order to recover the waste heat from the exhaust gas of a combustion engine, an adsorption refrigeration cycle is proposed. Theoretical investigation of waste heat recovery from an. Malwe the cop of ammoniawater system varies from 0. This work presents an experimental study of ammoniawater absorption refrigeration system using the exhaust of an internal combustion engine as an energy source. My aim is to recover heat from exhaust gas and use it for absorption refrigeration system electrolux refrigeration system. Absorption refrigeration cycle uses very little electricity compared to an electric motordriven compression cycle chiller. In this work a single effect ammonia waterbased waste heat driven vapor absorption system was investigated and conceptualized. This heat is enough to power an absorption refrigeration system to produce a refrigeration. It was assumed that 42% of the fuel energy from the micro turbine exhaust gas is delivered to the absorption chiller. Simultaneously the heat released to absorb the vapor is removed by air. Pdf absorption refrigeration system using engine exhaust.
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