Background of the Problem: With the depletion of fossil fuels, ever-increasing fuel prices in the international market putting a financial strain on the Indian government, and ever-increasing pollution levels caused by fossil fuels, the hunt for alternative fuels has become critical. Because they are renewable, alcohols and vegetable oils are viable alternatives to diesel fuel. However, because of the disadvantages of vegetable oils (high viscosity and low volatility) and alcohols (low energy content and cetane number), semi-adiabatic diesel engines are required (SADE). Plastic oil's high energy content and butanol's high volatility can be combined to achieve the lowest possible emission levels.
The goal of this study was to assess the performance parameters of a conventional engine (CE) and a semi-adiabatic diesel engine (SADE) with carbureted butanol and injected plastic oil blended with 20 percent diethyl ether with different injection time.
Engine configuration, injection timing, and test fuels of diesel and carbureted butanol, as well as plastic oil, are all design variables.
The experimental engine is a single-cylinder, four-stroke, water-cooled, 3.68 k W engine with a ceramic coated cylinder head (partially stabilised zirconium of thickness 500 m covered over the inside area of the cylinder head).
At various values of the engine's brake mean effective pressure (BMEP), performance characteristics such as brake thermal efficiency, exhaust gas temperature, coolant load, and volumetric efficiency were calculated. At full load, the engine's brake specific energy consumption was measured. With each sensor, the injection timing was changed. At full load on a mass basis, butanol was carbureted into the engine through a variable jet carburetor fitted at the engine's inlet manifold at various percentages of crude plastic oil. In a traditional technique, crude plastic oil was combined with 20% diethyl ether and injected through an injector. Diethyl ether was added to boost the cetane number, which assesses the quality of the fuel's ignition in a diesel engine.
Brief Results: When compared to clean diesel on a conventional engine, SADE with carbureted butanol and injected plastic oil combined with diethyl ether improved performance.Author(S) Details
B. T. Naik
Mechanical Engineering Department, Osmania University, Hyderabad, India.
M. V. S. Murali Krishna
Mechanical Engineering Department, Chaitanya Bhrathi Institute of Technology, Hyderabad, India.
P. Usha Sri
Mechanical Engineering Department, Osmania University, Hyderabad, India.
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