Projects

Particle-laden turbulent flows are extremely complex due to the intrinsic chaotic nature of the carrier-phase turbulence and the random character of the dispersed-phase distribution. In many applications, however, additional complexity often arises from interactions of such flows with other complex phenomena, such as evaporation, melting, and chemical reactions.

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Due to the extensive developments in the past decades, numerous different system technologies for powder feed or powder nozzles for laser powder build-up welding have established themselves on the market.

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The research on thermal electric arcjet thrusters has been the subject of several projects of the Thermofluid Dynamics division at ZARM ranging from experimental investigation to the numeric modeling. One challenging aspect in the modeling of these type of thrusters always has been the description of the arc, which is responsible for the heating of the propellant through the process of Joule heating. 

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