Abstract
For the design of liquid propellant rocket engine, the finalization of the main injection scheme/pattern is an important factor. For controlling combustion and engine performance the design of injector geometry is most important. In air-breathing engines and liquid rocket engines, proper atomization and mixing of fuel are required for fuel prior to burning. An injector having configuration conforming to liquid jet in cross-flow (JICF) can be used in air-breathing engines using liquid fuels. In this work, atomization studies using Malvern Particle Analyzer conducted for gas-centered coaxial injectors using jet in cross-flow scheme. Water and gaseous nitrogen (GN2) were used as simulant fluids. Sauter Mean Diameter (SMD) and drop size distribution were measured for various momentum flux ratio (MFR) and at different downstream positions.
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