1. Introduction
Diesel-oil-powered irrigation pumps presently irrigate millions of small farms in India.
These dispersed diesel irrigation pumps can potentially be fueled by producer gas obtained
from gasifying biomass feed stocks. The most common size of these diesel engine-operated
pumps falls between 5 and 10 hp [3]. Most of the gasifiers installed in India are of down
draft type and properly sized wood pieces are commonly used as the fuel. In the present