Experimental Investigation of the Performance of Internal Combustion Engine by Water/Methanol Injection

Abstract

This project deals with the development and testing of IC engine using methanol with a water injection system. Nowadays there are many types of fuel injection for example throttle body injection, common rail direct injection, multi-port injection and water injection in this project we are developing the water injection with methanol. There have been many investigations on methods of water-methanol injection and the effects on engine performance. By absorbing more heat energy, the in-cylinder temperatures are reduced, thus helping to suppress detonation. This study experimentally investigated the effect of water -methanol injection on the torque output, air intake temperature and exhaust gas temperatures in a naturally aspirated, spark ignition (SI) engine where water was injected at the intake port just before the throttle body. Furthermore, this study also investigated the effect of water-methanol injection on detonation. I have to analyze the performance of our water methanol injection so there was a major two test to conduct one is load test and another one is emission test. In addition to this the efficiency of the engine is found out by carrying out a load test and the emission test the results are compared with that of the normal petrol engines. This system can improve the efficiency of the engine and acting as the detonate cooling system. The total cost of the project is Rs.27500 including labor charges and transport charges and testing charges. Break-even is the point of zero loss or profit. At break-even point, the revenues of the business are equal its total costs and its contribution margin equals its total fixed costs, if I sell more than 270 units it’s a profit, if it is below then its loss. In addition, payback period I could able to take back my investment within 12 months.