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Vortex combustion chamber is the new generation of liquid propellant engines chamber, where with the help of different arrangement of injectors, an inner combustion chamber vortex flow is created. This vortex can extremely help cooling and increasing the amount of propellant components mixing in the combustion chamber so it makes it possible to create a complete combustion in a low- capacity chamber. In this research, a vortex chamber has been designed and manufactured for carrying out cold tests with water as its working fluid, in order to study impact of different parameters, including pressure drop, injector quantity and input angle, chamber diameter and the thickness of the supporting step, on the performance of this type of chambers. The designed chamber, has a great deal of capabilities such as replacement ease, change in pressure drop and injectors’ input angle and studying different supporting step’s thickness to create vortex flow. Since practical investigation of all parameters is not cost-effective, cold test has been conducted for some samples and both simulation and validation have been done for it. The simulation results and chamber performance in the tests could match very well; therefore as a result of simulation assurance, the processes and other parameters in the chamber could be studied. By doing these tests we can move toward design, manufacture and test of the main vortex combustion chamber.

Keywords: Vortex combustion chamber, injector, vortex flow, cold test

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