RTE: A Computer Code for Rocket Thermal Evaluation

Mohammad H N Naraghi

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NASA NTRS · 19950020934

RTE: A Computer Code for Rocket Thermal Evaluation

Mohammad H N Naraghi

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Abstract

The numerical model for a rocket thermal analysis code (RTE) is discussed. RTE is a comprehensive thermal analysis code for thermal analysis of regeneratively cooled rocket engines. The input to the code consists of the composition of fuel/oxidant mixture and flow rates, chamber pressure, coolant temperature and pressure. dimensions of the engine, materials and the number of nodes in different parts of the engine. The code allows for temperature variation in axial, radial and circumferential directions. By implementing an iterative scheme, it provides nodal temperature distribution, rates of heat transfer, hot gas and coolant thermal and transport properties. The fuel/oxidant mixture ratio can be varied along the thrust chamber. This feature allows the user to incorporate a non-equilibrium model or an energy release model for the hot-gas-side. The user has the option of bypassing the hot-gas-side calculations and directly inputting the gas-side fluxes. This feature is used to link RTE to a boundary layer module for the hot-gas-side heat flux calculations.

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BibTeX RIS

Mohammad H N Naraghi. 1995-01-01. RTE: A Computer Code for Rocket Thermal Evaluation. https://ntrs.nasa.gov/citations/19950020934

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