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      Model Rocket Project for Aerospace Engineering Course: Trajectory Simulation and Propellant Analysis

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          Abstract

          Model rockets have been employed in student projects, but very few papers in aerospace education offer concise summaries of activities at university-course levels. This paper aims to address this gap in the literature. The rockets used by our students reached some 500 m (~1,640 feet) in altitude, deployed a parachute, and spent 2-3 minutes descending to the ground. We present a series of analyses and experiments that students performed in order to predict the flight time, the maximum altitude, and the landing location of these rockets. They wrote computer programs to numerically integrate equations of motion, and experimentally measured input parameters (e.g., the thrust profile and drag coefficients). Once launched, these rockets could not be controlled; targeting the landing location would thus mean tilting the launch rail to a required angle. The largest source of error in landing location came from the difficulty in modeling wind velocities. Also discussed in this paper are the infrared spectroscopy and the extraction experiment as novel additions to model rocket projects.

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          Author and article information

          Journal
          06 August 2017
          Article
          1708.01970
          4ca242b3-2696-4d10-807f-3a951d667277

          http://arxiv.org/licenses/nonexclusive-distrib/1.0/

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          Custom metadata
          22 pages, 22 figures, 11 equations
          physics.ed-ph

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