RELIABILITY TESTING OF STIRLING ENGINE FOR BIOGAS TO ELECTRICITY CONVERSION
The Stirling engine works on the principle of thermodynamic cycles of heat transfer of the working gas inside the engine and the external heat source of the engine. The fuel used in this Stirling engine is usua11y fossil fuel in the form of oil, coal, or natural gas. However, along with the use of f...
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| Format: | Final Project |
| Language: | Indonesia |
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| Online Access: | https://digilib.itb.ac.id/gdl/view/82103 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |
| Summary: | The Stirling engine works on the principle of thermodynamic cycles of heat transfer of the working gas inside the engine and the external heat source of the engine. The fuel used in this Stirling engine is usua11y fossil fuel in the form of oil, coal, or natural gas. However, along with the use of fossil fuels as an energy source, fossil fuel reserves are running low, therefore alternative energy is needed from renewable energy, in Indonesia the potential for renewable energy (EBT) reaches 3692 Gigawatts (GW), but this renewable energy source has not been optimally used compared to fossil energy, from this renewable energy source there is one energy that is easily utilized in the community environment, namely biogas. Biogas is a gas produced from the decomposition of organic materials by microorganisms. Biogas contains components consisting of± 60% CH4 (methane); ± 38% CO2 (carbon dioxide); ± 2% N2, 02, H2, and H2S. Biogas is dominated by combustible methane gas. This study aims to determine the value of energy obtained from combustion and the efficiency of biogas conversion into electricity by a Stirling engine, as well as review the factors that affect the reliability of the Stirling engine. This research was conducted with an experimental method using a prototype of a biogas-fueled Stirling engine sourced from BBPPMPV BMTI areas.
In this experiment, a variation in the biogas flow rate of 25 mL/min was used, operating within a temperature range of 200°C - 300°C, and three trials were conducted. The results of the experiment yielded the average power generated, output energy, fuel input energy, and the efficiency ofbiogas conversion to electricity, which were 0.172 Watts, 1.22 kJ, 27,68-43,25 kJ; 2,87 -4,48%, respectively. This research was conducted with the hope of advancing technology research and innovation in the field of renewable energy utilization, specifically the use of Stirling engines for converting biogas into electricity.
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