Ali Kamran

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Moving towards more electric aircraft, a hybrid configuration of actuators gives us an opportunity to introduce electro-hydrostatic actuators in the primary flight control system. Hybrid configuration gives birth to force fighting problems that must be addressed. Force fighting will occur when both actuators are actively controlled. This paper presents(More)
This paper presents a study on performance analysis of a nozzle based on modeling of two-phase flow for an available solid rocket motor design. The single and two-phase multi-dimensional flow through the designed conical nozzle was calculated using an Eulerian-Lagrangian description. The flow field results are used to calculate thrust and to evaluate loses(More)
Simulated Annealing (SA) is applied in optimization of slotted tube grain configuration. We propose a CAD based geometry calculation function, to increase calculation accuracy, integrated with internal ballistic model. CAD representation encapsulates all of the geometric entities pertinent to the grain design in a parametric way, allowing manipulation of(More)
Design engineers prefer to have multiple performing solutions, rather than a single optimum. This set of design alternatives gives desired flexibility to engineers. The motivation of current research effort stems from the question that “Can the design process be reversed?” Every design endeavor has a specific set of stringent performance requirements to(More)
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