Abstract
Fossil fuel is non-renewable energy. This type of energy sources are widely used in many critical areas such as industrial application and vehicle application. Realizing this fact, many researches are conducted to produce alternative energy sources to reduce the dependence to fossil fuel for energy generation. As for example, fuels that produced from natural sources such as palm, rapeseed and jathropa are commonly used as alternative fuel especially for transportation purpose. Apart from natural sources, waste source such as used tires also can be utilized to produce alternative fuel. In this paper, the engine performance of diesel engine operating with unblended tire derived fuel (TDF) are analyzed and compared to diesel fuel. The experiment is conducted using a single cylinder, direct injection diesel engine. The engine operates at variable engine speed while constant load exerted to the engine. The performance parameters that are analyzed in the experiment includes engine power, engine torque, combustion pressure and exhaust gas temperature. Results from the experiment shows that diesel engine can operate with unblended TDF. However, TDF is not suitable for high engine speed applications. Furthermore, TDF produce lower performance output compared to diesel fuel.
Highlights
Diesel engines are dominant source for power generation in wide applications such as automobiles, marines, agriculture and others
It is shown that when tire derived fuel (TDF) is used, the fuel will produce lower torque compared to diesel fuel
Engine performance of a single cylinder diesel engine is investigated at five different engine speeds with constant load exerted to it
Summary
Diesel engines are dominant source for power generation in wide applications such as automobiles, marines, agriculture and others. Diesel engines are preferred in such application especially in heavy duty application due to its advantages over gasoline such as higher torque, high thermal efficiency and high drivability (McAllister et al, 2011). Diesel engine technologies have advanced to produce more efficient, higher output and less emission diesel engine. The numbers of motorized vehicles around the globe are increased including Malaysia. The increasing numbers of vehicles cause the increasing amount of scrap tires. According to Chong (2006), Malaysia generates about 150, 000 tons of scrap tires every year. With the increasing number of vehicles in Malaysia, this number is expected to increase
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