Uncertainty Analysis of Spray Injection Process in a Model Scale Liquid Fuel MicroMotor

Injection process and its parameters are the most important factors in the combustion process that depends on some factors in operation. In this paper, initially, injection parameters from viewpoint of macroscopic and microscopic in a manufactured model scale liquid fuel micromotor that are measured experimentally in ColdTest and Phase Doppler Analyzer (PDA) laboratories, are evaluated. And then, Uncertainty Analysis (UA) methodologies for experimental uncertainty assessment are implemented to drive the respective block diagram. The sources of uncertainty associated with the techniques are presented, and where such data were available, quantitative estimates of their magnitude are given. Uncertainty analysis results that are taken to spraying parameters show the high accuracy of experimental test results. This framework is a comprehensive and complete technique that could be implemented and executed over any set to analyze uncertainty value, with difference that each set or case study has its respective parameters.