Experimental Investigations on Three Different Methods of Using 100% Methanol in a Low Heat Rejection Engine

Paper #:
  • 920197

Published:
  • 1992-02-01
Citation:
Dhinagar, S., Nagalingam, B., and Gopalakrishnan, K., "Experimental Investigations on Three Different Methods of Using 100% Methanol in a Low Heat Rejection Engine," SAE Technical Paper 920197, 1992, https://doi.org/10.4271/920197.
Pages:
9
Abstract:
:As alternate fuels, ethyl and methyl alcohols stand out because of the feasibility of producing them in bulk from plentifully available raw materials. In the present work, methanol is used as the only fuel, in a Low Heat Rejection(LHR) engine by adapting three different methods. In the first method, methanol as the sole fuel was used in the LHR engine with a ceramic glowplug and in the second spark plug assistance was used to initiate combustion of the injected methanol. In the third method, methanol was used as the sole fuel in a LHR engine by a new method in which part of the methanol fuel was inducted through a heated inlet manifold using a carburetor and another part of methanol (with 1% castor oil for lubrication) was injected through the normal injector. With inducted methanol air charge temperature at 70 C and above the engine operated smoothly. The engine was tested for performance and emissions for all the above said three methods of 100% methanol operation in the LHR engine and the results were compared. The ceramic glow plug assisted methanol operation showed the highest brake thermal efficiency and the lowest emissions.
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