Hydrogen Fueled Internal Combustion Engine: A Review Nov. 29 2022

Hydrogen Fueled Internal Combustion Engine: A Review- Nov.29 2022

MOHAMMED ATIQH AHMED      INTERNATIONAL JOURNAL OF INNOVATIVE TECHNOLOGY AND RESEARCH  Volume No.4, Issue No.4, June  –   July 2016, 3193

Abstract  –     Continuous and fast depletion of the fossil fuels and exponential growth in the industrial demand for conventional fuels are increasing sharply. This is demanding the circumstances to carry out research in order to find out the viable alternate fuels, for meeting sustainable energy demand with minimum environmental hazards, cost effective and safe. All the above challenges can be addressed by the use of hydrogen as an alternate fuel. In this paper the fundamentals of the hydrogen as a fuel in the internal combustion engine has been discussed. Fuel properties such as combustion, performance and emission characteristics of hydrogen fueled engine are being described.

Introduction

From many years, hydrocarbon fuels have played a leading role in the transportation and power generation. Due to increase in destruction in the environment by emission and depletion of the worldwide petroleum resources, research must be carried out to find an alternate fuel to overcome the major problems. As a result of various alternative fuels like liquefied compressed gas (LPG), compressed natural gas(CNG), vegetable oil, biogas, producer gas, hydrogen etc, have been considered as substitute for the hydrocarbon based fuels [1]. An internal combustion engine, hydrogen can be used as a sole fuel. The higher self-ignition temperature of the hydrogen (858) needs external source to initiate the combustion in the combustion chamber. Emission such as HC, CO, CO2, SOx and smoke are either not observed or very much lower than the hydrocarbons used as fuels [2]. The unburned hydrogen may come out of the engine, through the exhaust but it is not considered as hydrogen is non-toxic in nature and does not involve in any smog reaction. This paper provides a brief summary of the combustion, performance and emission characteristics of the hydrogen fuel in an internal combustion engine with respect to the other traditional fuels

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Conclusions

It is evident from the study that it is advantageous to use hydrogen enriched air as a fuel in internal combustion engines. Power and torque loss occurs at low speed hydrogen operation. At high speed, hydrogen gives better performance as compared to gasoline operation. Similarly Thermal efficiency and Brake mean effective pressure of hydrogen is more at higher speed. NOx emission in internal combustion engine reduces to the maximum considerable amount. This makes it possible to run the engine leaner, resulting in lower emissions ofCO2, CO and HC. Short time of combustion produces lower exhaust gas temperature for hydrogen. Hydrogen is a very good candidate as an engine fuel.

 

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Tuesday, November 29, 2022

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