Purpose of INTELLIGENT COOLING SYSTEM

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Presentation transcript:

Purpose of INTELLIGENT COOLING SYSTEM Seminar On Intelligent Cooling System Presented By : G Thrisul 3VC09ME023 1

Purpose of INTELLIGENT COOLING SYSTEM The basic principle behind “INTELLIGENT COOLING SYSTEM” is to control the flow rate of coolant by regulating the valve by implementing FUZZY LOGIC. In conventional process the flow rate is constant over the entire engine jacket. Which induces thermal stresses & reduction in efficiency. This is a concept and an innovative idea not been implemented yet.

INTRODUCTION The name “INTELLIGENT COOLING SYSTEM” represents the improved function of cooling systems. We have given this name because in this system the sensor will sense the cylinder temperature as similar as thermostat and will control the opening and closing of water passage in the piston cylinder arrangement. The mass flow rate of water will be controlled by a valve arrangement. For regulating flow rate, a separate programming can be done. In this programming, the piston will be considered as an object and a relation of “temperature = water” can be used for the above purpose.

conventional Cooling system The following are the two main characteristics desired of an efficient cooling system 1) It should be capable of removing about 30% of heat generated in the combustion chamber while maintaining the optimum temperature of the engine under all operating conditions of the engines. 2) It should remove heat at a faster rate when engine is hot. However, during starting of the engine cooling should be minimum, so that the working parts of the engine reach their operating temperature in a short time.

Liquid Cooled System

THERMOSTATIC COOLING SYSTEM

DRAWBACKS OF CONVENTIONAL COOLING SYSTEMS

Effect Of Overheating Burning of PISTON CROWN Evaporation of lubricating oil that lubricates the piston and cylinder wall Sticking of piston rings in the ring grooves Reduction in volumetric efficiency

Effect Of Excessive Cooling Reduction in thermal efficiency Increased corrosion of engine parts Reduced mechanical efficiency Improper Vaporization of the fuel

FUZZY In Cooling System Purpose of INTELLIGENT COOLING SYSTEM FUZZY In Cooling System

Labels Of FUZZY In Cooling System 1.Controlling Valve 2.Sensors 3.Coolant outlet 4. Coolant inlet 5.Cylinders 6.Intermediate jacket 7. Outer jacket

ADVANTAGES OF INTELLIGENT COOLING SYSTEM 1) It will try to maintain the cylinder temperature within the certain limit so that lubricating oil should not evaporate and hence will prevent metal to metal contact. 2) It will help to reduce the thermal stresses and hence cracking of piston cylinder. 3) Thermal efficiency will improve. 4) It will prevent the carbonization of oil since dealing with the optimum temperature. 5) It will prevent the corrosion of engine parts. 6) Mechanical efficiency will improve. 7) Proper vaporization of fuel will take place. 8) Excessive cooling results in increased viscosity of lubricant oil and hence more friction and will consume more fuel to overcome the friction and hence results in decrease thermal efficiency. So, our system will prevent the above factors.

conclusion We have proposed an approach to implement fuzzy logic in an "Intelligent Cooling System". Possible implementation of the system and an approach is discussed along with its possible advantages. The use of such system will solve the problems of technology acceptance in India. Scope for future work would concentrate on type of sensor's, valve opening mechanisms and different coolants.

References 1) Ramalingam K. K., Automobile Engineering, Published by : Scitech Publications (India) Pvt. Ltd. Page No. 156, 161, 167. 2) Narang G. B. S., Elements of Automobile Engineering, Second Edition, Published by : Khanna Publishers. 3) William H. Crouse, Donald L. Anglin, Automotive Mechanics, Ninth Edition, Published by : Tata McGraw-Hill Page No. 213, 224, 237 4) Stamatios V. Kartalopoulos, Understanding Fuzzy Logic, Second Edition, Published by : Asoke K. Ghosh, Prentice-Hall Page No. 121, 124, 131. 5) Mohammad Jamshidi, Andre Titli, Lofti Zadem & Serge Boverie, Application of Fuzzy Logic, Published by : Prentice Hall PTR Publication Page No. 153, 1 154, 155 6) Ganesan V. I., Internal Combustion Engines, Second Edition, Published by : Tata McGraw - Hill Page No. 469, 479.

Thank you