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DESIGN AND ANALYSIS OF A TWO STROKE I.C.ENGINE Prepared by: Suraj Jose Amit Modi Vishal Panchal Vishal Modha Guided by: Mr. H. K. Solanki DEPARTMENT OF.

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Presentation on theme: "DESIGN AND ANALYSIS OF A TWO STROKE I.C.ENGINE Prepared by: Suraj Jose Amit Modi Vishal Panchal Vishal Modha Guided by: Mr. H. K. Solanki DEPARTMENT OF."— Presentation transcript:

1 DESIGN AND ANALYSIS OF A TWO STROKE I.C.ENGINE Prepared by: Suraj Jose Amit Modi Vishal Panchal Vishal Modha Guided by: Mr. H. K. Solanki DEPARTMENT OF MECHANICAL ENGINEERING MAHATMA GANDHI INSTITUTE OF TECHNICAL EDUCATION AND RESEARCH CENTRE, NAVSARI, GUJARAT.

2 Peak Oil CRY-SI tuation S

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4 Where we Are Now Co 383ppm

5 The effects could be even more Devastating, causing to holocausts

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7  Worried of running out of petrol every time you get on the roads???  Just Relax!!! Because we are introducing a concept which will increase the thermal efficiency of the engine upto some extent.  By introducing our concept, we are able to increase the temperature of the inlet air by using the concept of a non contact type heat exchanger by utilizing the temperature of exhaust gases. INTRODUCTION

8  Minimize the requirements for addition of new complicated parts particularly moving parts.  Minimal interference in the moving parts, mechanisms and control systems.  Maximize the positive effect from operation of strokes of the existing engines. THE MAIN AIMS OF THE PROJECT

9  Easy to introduce into the vehicle with minimum cost.  Achieve optimum possible work out from the vehicle.  It should be eco-friendly (i.e. minimum pollution).

10 LOSSES IN EFFICIENCY

11 CONCEPT CROSS - SECTION OF THE MODIFICATION DONE INSIDE THE SILENCER BODY.

12 VIEW OF THE MODIFICATION DONE ON THE EXHAUST SYSTEM

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14 COMPONENTS USED FOR THE MODIFICATION PURPOSE Cross-section of the Silencer Body. Air filter

15 Elbow C-clamp Copper Tube Flexible Pipe

16 COMPONENTS USED FOR PERFORMANCE CHARACTERISTICS & TESTING PURPOSE Burette Burette Stand

17 T- Joint Flexible Pipe Temperature Indicator

18 CONSTRUCTION MODIFICATION DONE WITH THE SILENCER BODY

19 MODIFICATION DONE ON THE AIR FILTER BODY

20 Speed, km/hr Time for mass flow rate of 20 ml of fuel, sec Temperature at inlet to air filter, ˚C TESTING & PERFORMANCE Observation Table with Increasing the Inlet Air Temperature

21 Speed, km/hr Efficiency(η), % Heat Supplied, KJ/Kg Result with increasing inlet Air Temperature

22 Speed, km/hr Time for mass flow rate of 20 ml of petrol to flow Temperature at inlet of air filter Observation Table Without Increasing the Inlet Air Temperature

23 Speed, km/hr Efficiency (η), % Heat Supplied, KJ/Kg Result without increasing the inlet air temperature

24 INLET AIR TEMPERATURE V/S SPEED

25 MASS FLOW RATE V/S SPEED

26 EFFICIENCY V/S SPEED

27 HEAT SUPPLIED V/S SPEED

28 ADVANTAGES  Ignition lag time decreases.  Uniform air-fuel mixtures obtained.  Modification is not complicated.  One time investment.  Easily replaceable if damaged.  Cost efficient.

29 DISADVANTAGES  This concept cannot be applied to Compression Ignition Engines (diesel engines).  The design and structure of the silencer body becomes a bit complicated.  Instant result may not be obtained.  A decrease in the efficiency may be observed if size of the copper tube is not selected properly.

30 CONCLUSIONS After performing the tests on the vehicle, and from the observations made, we can conclude that the efficiency does not increase as per the theoretical concept due to the following reasons: Variation in the actual air filter tube size and used copper tube. Due to improper wounding of copper tube. Due to the rise in air temperature, the volume of fuel is increased, as a result a rich mixture is obtained.

31 FUTURE SCOPE We are confident that the efficiency would increase if further changes can be carried out in the project. The major research options which are applicable to this project are as follows: Use copper tube of different size diameter. Check the Emission and the noise level.

32 Use of the temperature control device to vary the temperature as desired. To try different materials to achieve higher heat transfer. To check the compatibility with other vehicles.

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