Numerical and experimental study on rocket stove combustion process for heating stirling engine
As an archipelago country, electrification in Indonesia is still limited in the main islands and has not reached the remote and outer islands due to the limited infrastructure of the country. To provide the electricity in the region, the small generator set is needed. However, the usage of the diesel fueled engine in the generator set is predicted to be more difficult in the future due to the fossil fuel price and rareness. The Stirling Engine offers the solution for such problem since it is able to utilize various type of fuel as energy sources. In this research, the further study was conducted on the performance of the 200 Watt Stirling engine's furnace to provide the heat source. The type of furnace used in the stirling engine system is called Rocket Stove. The fuel used in this research was bamboo as one of the biomasses with enormous potential in the country. The numerical simulation was conducted to estimate the mass flow rate of the fuel. The experiment was conducted to obtain the rocket stove temperature distribution. Evaluation was then conducted to analyze the performance of the heat exchanger absorbing the heat of the flue gas. The results obtained from this research were the fuel rate required to produce sufficient heat to meet the heat requirement of Stirling Engine was 3.28 kg/h in bamboo and 1.43 kg/h in LPG. The average temperature distribution before the Heat Exchanger reached 788 with the standard deviation of 61 degC on the bamboo and the average temperature distribution before the Heat Exchanger reached 725 degC with the standard deviation of 3 degC on LPG. The effectiveness of heat exchanger used is 68%.As an archipelago country, electrification in Indonesia is still limited in the main islands and has not reached the remote and outer islands due to the limited infrastructure of the country. To provide the electricity in the region, the small generator set is needed. However, the usage of the diesel fueled engine in the generator set is predicted to be more difficult in the future due to the fossil fuel price and rareness. The Stirling Engine offers the solution for such problem since it is able to utilize various type of fuel as energy sources. In this research, the further study was conducted on the performance of the 200 Watt Stirling engine's furnace to provide the heat source. The type of furnace used in the stirling engine system is called Rocket Stove. The fuel used in this research was bamboo as one of the biomasses with enormous potential in the country. The numerical simulation was conducted to estimate the mass flow rate of the fuel. The experiment was conducted to obtain the rocket stove temp.