Abstract
To achieve higher thrust force, numerical investigation of flow behaviour of bell-type rocket nozzle has been carried out in the present research work. Analysis of thermodynamic properties is performed by using ANSYS Fluent software. K-ω shear stress transport model has been used to study the turbulent components of thermodynamic properties. Overall performance gain of a bell-type nozzle and nozzle geometric modifications are discussed. The nozzle geometric modifications are highlighted by executing a C-code with concepts of the method of characteristics (MOC) and modified method of characteristics (MMOC). With modified geometry as per the modified method of characteristics (MMOC), the present numerical study has ensured the fully expanded cold flow in nozzle. The results obtained by the method of characteristics (MOC) are compared with the calculations of the thrust force for the modified geometry.
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Abbreviations
- M :
-
Mach number
- ϑ(M):
-
Prandtl–Meyer function
- ϑ :
-
Prandtl–Meyer angle
- θ :
-
Angle made with respect to streamline coordinate axis
- μ :
-
Mach angle with respect to characteristic lines
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Panigrahi, S., Maity, P.S., Sinha, G.S., Dangi, D., Harichandan, A.B. (2021). Modified Method of Characteristics for Analysing Cold Flow in Bell-Type Rocket Nozzle. In: Revankar, S., Sen, S., Sahu, D. (eds) Proceedings of International Conference on Thermofluids. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-15-7831-1_15
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DOI: https://doi.org/10.1007/978-981-15-7831-1_15
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