Abstract:In this thesis, the technical feasibility of using jatropha oil and biogas for dual fuel generators is investigated. This technology could be used for electricity generation in rural areas in developing countries. The use of jatropha oil and biogas is considered a sustainable energy supply, when both fuels are produced locally. The local production of fuel and generation of electricity could result in economic development and poverty reduction.
In order to investigate the technical feasibility, a parameter study is performed, an experimental set-up is constructed and experiments are carried out. Three performance parameters are investigated: thermal efficiency, because it is a direct measure for fuel efficiency; volumetric efficiency, because it is a measure for power output; and air-excess ratio, because it influences particulate emissions and HC emissions. The parameter study is conducted, to predict the effect of dual fuel operation, by deriving expressions for the performance parameters. The experiments are carried out to assess the effect of dual fuel operation on performance and to find the operation limits (smoke limit and knock limit).
Experiments are carried out on a 12 kW diesel generator set. The jatropha oil that is used is pure oil. Biogas mainly consists of methane and carbon dioxide. Simulated, bottled, biogas of different quality is used (i.e. CH4/CO2 ratios)....
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From: Jan Cloin [mailto:email@example.com]
Sent: Wednesday, 20 May 2009 01:05
To: Frank Vukikimoala
Subject: Fwd: Jatropha and biogas machine Msc study
Trust all is well with you. How are things in Energy?