![]() ![]() The article mainly focuses on the aerodynamic aspects of all the rocket nozzles developed till date and summarizes the major findings covering their design, development, utilization, benefits and limitations. This paper aims to review and bring all such development in one single frame. However, to the best of authors’ knowledge, no article has reviewed the entire group of nozzles in a systematic and comprehensive manner. The notable among them are conical, bell, plug, expansion-deflection and dual bell nozzles, besides the recently developed multi nozzle grid. As a consequence of intensive research, the design and the shape of rocket nozzles have undergone a series of development over the last several decades. ![]() A careful shaping of the nozzle contour can lead to a high gain in its performance. The principal parameters in this context are the shape of the nozzle contour and the nozzle area expansion ratio. The nozzle forms a large segment of the rocket engine structure, and as a whole, the performance of a rocket largely depends upon its aerodynamic design. ![]()
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